src/hg/makeDb/trackDb/trackDb.chainNet.ra 1.93

1.93 2010/05/07 05:35:51 kent
Changing subTrack to parent.
Index: src/hg/makeDb/trackDb/trackDb.chainNet.ra
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/makeDb/trackDb/trackDb.chainNet.ra,v
retrieving revision 1.92
retrieving revision 1.93
diff -b -B -U 1000000 -r1.92 -r1.93
--- src/hg/makeDb/trackDb/trackDb.chainNet.ra	6 May 2010 16:05:54 -0000	1.92
+++ src/hg/makeDb/trackDb/trackDb.chainNet.ra	7 May 2010 05:35:51 -0000	1.93
@@ -1,4001 +1,4001 @@
 #	"$Id$";
 
 track chainNetAplCal1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 655.3
 color 0,0,0
 altColor 255,255,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb aplCal1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetAplCal1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetAplCal1
+    parent chainNetAplCal1
     spectrum on
 
         track chainAplCal1
-        subTrack chainNetAplCal1Viewchain
+        parent chainNetAplCal1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain aplCal1
         html chainNet
 
     track chainNetAplCal1Viewnet
     shortLabel Net
     view net
     visibility dense
-    subTrack chainNetAplCal1
+    parent chainNetAplCal1
 
         track netAplCal1
-        subTrack chainNetAplCal1Viewnet
+        parent chainNetAplCal1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign aplCal1 chainAplCal1
         html chainNet
 
 track chainNetFr2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb fr2
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetFr2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetFr2
+    parent chainNetFr2
     spectrum on
 
         track chainFr2
-        subTrack chainNetFr2Viewchain
+        parent chainNetFr2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain fr2
         html chainNet
 
     track chainNetFr2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetFr2
+    parent chainNetFr2
 
         track netFr2
-        subTrack chainNetFr2Viewnet
+        parent chainNetFr2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign fr2 chainFr2
         html chainNet
 
 track chainNetFr1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb fr1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetFr1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetFr1
+    parent chainNetFr1
     spectrum on
 
         track chainFr1
-        subTrack chainNetFr1Viewchain
+        parent chainNetFr1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain fr1
         html chainNet
 
     track chainNetFr1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetFr1
+    parent chainNetFr1
 
         track netFr1
-        subTrack chainNetFr1Viewnet
+        parent chainNetFr1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign fr1 chainFr1
         html chainNet
 
 track chainNetTetNig2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb tetNig2
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetTetNig2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetTetNig2
+    parent chainNetTetNig2
     spectrum on
 
         track chainTetNig2
-        subTrack chainNetTetNig2Viewchain
+        parent chainNetTetNig2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain tetNig2
         html chainNet
 
     track chainNetTetNig2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetTetNig2
+    parent chainNetTetNig2
 
         track netTetNig2
-        subTrack chainNetTetNig2Viewnet
+        parent chainNetTetNig2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign tetNig2 chainTetNig2
         html chainNet
 
 track chainNetTetNig1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb tetNig1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetTetNig1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetTetNig1
+    parent chainNetTetNig1
     spectrum on
 
         track chainTetNig1
-        subTrack chainNetTetNig1Viewchain
+        parent chainNetTetNig1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain tetNig1
         html chainNet
 
     track chainNetTetNig1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetTetNig1
+    parent chainNetTetNig1
 
         track netTetNig1
-        subTrack chainNetTetNig1Viewnet
+        parent chainNetTetNig1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign tetNig1 chainTetNig1
         html chainNet
 
 track chainNetDanRer6
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb danRer6
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetDanRer6Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDanRer6
+    parent chainNetDanRer6
     spectrum on
 
         track chainDanRer6
-        subTrack chainNetDanRer6Viewchain
+        parent chainNetDanRer6Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain danRer6
         html chainNet
 
     track chainNetDanRer6Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDanRer6
+    parent chainNetDanRer6
 
         track netDanRer6
-        subTrack chainNetDanRer6Viewnet
+        parent chainNetDanRer6Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign danRer6 chainDanRer6
         html chainNet
 
 track chainNetDanRer5
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb danRer5
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetDanRer5Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDanRer5
+    parent chainNetDanRer5
     spectrum on
 
         track chainDanRer5
-        subTrack chainNetDanRer5Viewchain
+        parent chainNetDanRer5Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain danRer5
         html chainNet
 
     track chainNetDanRer5Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDanRer5
+    parent chainNetDanRer5
 
         track netDanRer5
-        subTrack chainNetDanRer5Viewnet
+        parent chainNetDanRer5Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign danRer5 chainDanRer5
         html chainNet
 
 track chainNetDanRer4
 compositeTrack on
 shortLabel $o_Organism  Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb danRer4
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetDanRer4Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDanRer4
+    parent chainNetDanRer4
     spectrum on
 
         track chainDanRer4
-        subTrack chainNetDanRer4Viewchain
+        parent chainNetDanRer4Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain danRer4
         html chainNet
 
     track chainNetDanRer4Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDanRer4
+    parent chainNetDanRer4
 
         track netDanRer4
-        subTrack chainNetDanRer4Viewnet
+        parent chainNetDanRer4Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign danRer4 chainDanRer4
         html chainNet
 
 track chainNetDanRer3
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb danRer3
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetDanRer3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDanRer3
+    parent chainNetDanRer3
     spectrum on
 
         track chainDanRer3
-        subTrack chainNetDanRer3Viewchain
+        parent chainNetDanRer3Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain danRer3
         html chainNet
 
     track chainNetDanRer3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDanRer3
+    parent chainNetDanRer3
 
         track netDanRer3
-        subTrack chainNetDanRer3Viewnet
+        parent chainNetDanRer3Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign danRer3 chainDanRer3
         html chainNet
 
 track chainNetDanRer2
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb danRer2
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetDanRer2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDanRer2
+    parent chainNetDanRer2
     spectrum on
 
         track chainDanRer2
-        subTrack chainNetDanRer2Viewchain
+        parent chainNetDanRer2Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain danRer2
         html chainNet
 
     track chainNetDanRer2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDanRer2
+    parent chainNetDanRer2
 
         track netDanRer2
-        subTrack chainNetDanRer2Viewnet
+        parent chainNetDanRer2Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign danRer2 chainDanRer2
         html chainNet
 
 track chainNetDanRer1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb danRer1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetDanRer1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDanRer1
+    parent chainNetDanRer1
     spectrum on
 
         track chainDanRer1
-        subTrack chainNetDanRer1Viewchain
+        parent chainNetDanRer1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain danRer1
         html chainNet
 
     track chainNetDanRer1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDanRer1
+    parent chainNetDanRer1
 
         track netDanRer1
-        subTrack chainNetDanRer1Viewnet
+        parent chainNetDanRer1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign danRer1 chainDanRer1
         html chainNet
 
 track chainNetXenTro2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb xenTro2
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetXenTro2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetXenTro2
+    parent chainNetXenTro2
     spectrum on
 
         track chainXenTro2
-        subTrack chainNetXenTro2Viewchain
+        parent chainNetXenTro2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain xenTro2
         html chainNet
 
     track chainNetXenTro2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetXenTro2
+    parent chainNetXenTro2
 
         track netXenTro2
-        subTrack chainNetXenTro2Viewnet
+        parent chainNetXenTro2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign xenTro2 chainXenTro2
         html chainNet
 
 track chainNetXenTro1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 159
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb xenTro1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetXenTro1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetXenTro1
+    parent chainNetXenTro1
     spectrum on
 
         track chainXenTro1
-        subTrack chainNetXenTro1Viewchain
+        parent chainNetXenTro1Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain xenTro1
         html chainNet
 
     track chainNetXenTro1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetXenTro1
+    parent chainNetXenTro1
 
         track netXenTro1
-        subTrack chainNetXenTro1Viewnet
+        parent chainNetXenTro1Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign xenTro1 chainXenTro1
         html chainNet
 
 track chainNetOryLat2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 165.5
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb oryLat2
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetOryLat2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetOryLat2
+    parent chainNetOryLat2
     spectrum on
 
         track chainOryLat2
-        subTrack chainNetOryLat2Viewchain
+        parent chainNetOryLat2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain 
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain oryLat2
         otherDb oryLat2
         html chainNet
 
     track chainNetOryLat2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetOryLat2
+    parent chainNetOryLat2
 
         track netOryLat2
-        subTrack chainNetOryLat2Viewnet
+        parent chainNetOryLat2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign oryLat2 chainOryLat2
         otherDb oryLat2
         html chainNet
 
 # release alpha since oryLat1 is obsolete
 track chainNetOryLat1
 release alpha
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 165.5
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb oryLat1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetOryLat1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetOryLat1
+    parent chainNetOryLat1
     spectrum on
 
         track chainOryLat1
         release alpha
-        subTrack chainNetOryLat1Viewchain
+        parent chainNetOryLat1Viewchain
         subGroups view=chain
         shortLabel $o_db Chain 
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain oryLat1
         otherDb oryLat1
         html chainNet
 
     track chainNetOryLat1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetOryLat1
+    parent chainNetOryLat1
 
         track netOryLat1
         release alpha
-        subTrack chainNetOryLat1Viewnet
+        parent chainNetOryLat1Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign oryLat1 chainOryLat1
         otherDb oryLat1
         html chainNet
 
 track chainNetGasAcu1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 181
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb gasAcu1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetGasAcu1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetGasAcu1
+    parent chainNetGasAcu1
     spectrum on
 
         track chainGasAcu1
-        subTrack chainNetGasAcu1Viewchain
+        parent chainNetGasAcu1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain gasAcu1
         html chainNet
 
     track chainNetGasAcu1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetGasAcu1
+    parent chainNetGasAcu1
 
         track netGasAcu1
-        subTrack chainNetGasAcu1Viewnet
+        parent chainNetGasAcu1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign gasAcu1 chainGasAcu1
         html chainNet
 
 track chainNetGalGal3
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 181
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb galGal3
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetGalGal3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetGalGal3
+    parent chainNetGalGal3
     spectrum on
 
         track chainGalGal3
-        subTrack chainNetGalGal3Viewchain
+        parent chainNetGalGal3Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain galGal3
         html chainNet
 
     track chainNetGalGal3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetGalGal3
+    parent chainNetGalGal3
 
         track netGalGal3
-        subTrack chainNetGalGal3Viewnet
+        parent chainNetGalGal3Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign galGal3 chainGalGal3
         html chainNet
 
 track chainNetGalGal2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 181
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb galGal2
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetGalGal2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetGalGal2
+    parent chainNetGalGal2
     spectrum on
 
         track chainGalGal2
-        subTrack chainNetGalGal2Viewchain
+        parent chainNetGalGal2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain galGal2
         html chainNet
 
     track chainNetGalGal2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetGalGal2
+    parent chainNetGalGal2
 
         track netGalGal2
-        subTrack chainNetGalGal2Viewnet
+        parent chainNetGalGal2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign galGal2 chainGalGal2
         html chainNet
 
 track chainNetTaeGut1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 181
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb taeGut1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetTaeGut1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetTaeGut1
+    parent chainNetTaeGut1
     spectrum on
 
         track chainTaeGut1
-        subTrack chainNetTaeGut1Viewchain
+        parent chainNetTaeGut1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain taeGut1
         html chainNet
 
     track chainNetTaeGut1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetTaeGut1
+    parent chainNetTaeGut1
 
         track netTaeGut1
-        subTrack chainNetTaeGut1Viewnet
+        parent chainNetTaeGut1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign taeGut1 chainTaeGut1
         html chainNet
 
 track chainNetOrnAna1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb ornAna1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetOrnAna1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetOrnAna1
+    parent chainNetOrnAna1
     spectrum on
 
         track chainOrnAna1
-        subTrack chainNetOrnAna1Viewchain
+        parent chainNetOrnAna1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain ornAna1
         html chainNet
 
     track chainNetOrnAna1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetOrnAna1
+    parent chainNetOrnAna1
 
         track netOrnAna1
-        subTrack chainNetOrnAna1Viewnet
+        parent chainNetOrnAna1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign ornAna1 chainOrnAna1
         html chainNet
 
 track chainNetAnoCar1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb anoCar1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetAnoCar1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetAnoCar1
+    parent chainNetAnoCar1
     spectrum on
 
         track chainAnoCar1
-        subTrack chainNetAnoCar1Viewchain
+        parent chainNetAnoCar1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain anoCar1
         html chainNet
 
     track chainNetAnoCar1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetAnoCar1
+    parent chainNetAnoCar1
 
         track netAnoCar1
-        subTrack chainNetAnoCar1Viewnet
+        parent chainNetAnoCar1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign anoCar1 chainAnoCar1
         html chainNet
 
 track chainNetPetMar1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb petMar1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetPetMar1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetPetMar1
+    parent chainNetPetMar1
     spectrum on
 
         track chainPetMar1
-        subTrack chainNetPetMar1Viewchain
+        parent chainNetPetMar1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain petMar1
         html chainNet
 
     track chainNetPetMar1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetPetMar1
+    parent chainNetPetMar1
 
         track netPetMar1
-        subTrack chainNetPetMar1Viewnet
+        parent chainNetPetMar1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign petMar1 chainPetMar1
         html chainNet
 
 track chainNetBraFlo1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb braFlo1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetBraFlo1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetBraFlo1
+    parent chainNetBraFlo1
     spectrum on
 
         track chainBraFlo1
-        subTrack chainNetBraFlo1Viewchain
+        parent chainNetBraFlo1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain braFlo1
         html chainNet
 
     track chainNetBraFlo1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetBraFlo1
+    parent chainNetBraFlo1
 
         track netBraFlo1
-        subTrack chainNetBraFlo1Viewnet
+        parent chainNetBraFlo1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign braFlo1 chainBraFlo1
         html chainNet
 
 track chainNetStrPur2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb strPur2
 chainMinScore 1000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetStrPur2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetStrPur2
+    parent chainNetStrPur2
     spectrum on
 
         track chainStrPur2
-        subTrack chainNetStrPur2Viewchain
+        parent chainNetStrPur2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain strPur2
         html chainNet
 
     track chainNetStrPur2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetStrPur2
+    parent chainNetStrPur2
 
         track netStrPur2
-        subTrack chainNetStrPur2Viewnet
+        parent chainNetStrPur2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign strPur2 chainStrPur2
         html chainNet
 
 track chainNetMacEug1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 visibilityViewDefaults chain=pack net=dense
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 settingsByView chain:spectrum=on
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb macEug1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainMacEug1
-    subTrack chainNetMacEug1
+    parent chainNetMacEug1
     subGroups view=chain
     shortLabel $o_Organism Chain
     longLabel $o_Organism ($o_date) Chained Alignments
     type chain macEug1
     html chainNet
 
     track netMacEug1
-    subTrack chainNetMacEug1
+    parent chainNetMacEug1
     subGroups view=net
     shortLabel $o_Organism Net
     longLabel $o_Organism ($o_date) Alignment Net
     type netAlign macEug1 chainMacEug1
     html chainNet
 
 track chainNetLoxAfr3
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb loxAfr3
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetLoxAfr3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetLoxAfr3
+    parent chainNetLoxAfr3
     spectrum on
 
         track chainLoxAfr3
-        subTrack chainNetLoxAfr3Viewchain
+        parent chainNetLoxAfr3Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain loxAfr3
         html chainNet
 
     track chainNetLoxAfr3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetLoxAfr3
+    parent chainNetLoxAfr3
 
         track netLoxAfr3
-        subTrack chainNetLoxAfr3Viewnet
+        parent chainNetLoxAfr3Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign loxAfr3 chainLoxAfr3
         html chainNet
 
 track chainNetLoxAfr2
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb loxAfr2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetLoxAfr2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetLoxAfr2
+    parent chainNetLoxAfr2
     spectrum on
 
         track chainLoxAfr2
-        subTrack chainNetLoxAfr2Viewchain
+        parent chainNetLoxAfr2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain loxAfr2
         html chainNet
 
     track chainNetLoxAfr2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetLoxAfr2
+    parent chainNetLoxAfr2
 
         track netLoxAfr2
-        subTrack chainNetLoxAfr2Viewnet
+        parent chainNetLoxAfr2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign loxAfr2 chainLoxAfr2
         html chainNet
 
 track chainNetLoxAfr1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb loxAfr1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetLoxAfr1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetLoxAfr1
+    parent chainNetLoxAfr1
     spectrum on
 
         track chainLoxAfr1
-        subTrack chainNetLoxAfr1Viewchain
+        parent chainNetLoxAfr1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain loxAfr1
         html chainNet
 
     track chainNetLoxAfr1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetLoxAfr1
+    parent chainNetLoxAfr1
 
         track netLoxAfr1
-        subTrack chainNetLoxAfr1Viewnet
+        parent chainNetLoxAfr1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign loxAfr1 chainLoxAfr1
         html chainNet
 
 track chainNetMonDom1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb monDom1
 chainMinScore 5000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetMonDom1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMonDom1
+    parent chainNetMonDom1
     spectrum on
 
         track chainMonDom1
-        subTrack chainNetMonDom1Viewchain
+        parent chainNetMonDom1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain monDom1
         html chainNet
 
     track chainNetMonDom1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMonDom1
+    parent chainNetMonDom1
 
         track netMonDom1
-        subTrack chainNetMonDom1Viewnet
+        parent chainNetMonDom1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign monDom1 chainMonDom1
         html chainNet
 
 track chainNetMonDom4
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
 matrixHeader A, C, G, T
 otherDb monDom4
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetMonDom4Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMonDom4
+    parent chainNetMonDom4
     spectrum on
 
         track chainMonDom4
-        subTrack chainNetMonDom4Viewchain
+        parent chainNetMonDom4Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain monDom4
         html chainNet
 
     track chainNetMonDom4Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMonDom4
+    parent chainNetMonDom4
 
         track netMonDom4
-        subTrack chainNetMonDom4Viewnet
+        parent chainNetMonDom4Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign monDom4 chainMonDom4
         html chainNet
 
 track chainNetMonDom5
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb monDom5
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetMonDom5Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMonDom5
+    parent chainNetMonDom5
     spectrum on
 
         track chainMonDom5
-        subTrack chainNetMonDom5Viewchain
+        parent chainNetMonDom5Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain monDom5
         html chainNet
 
     track chainNetMonDom5Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMonDom5
+    parent chainNetMonDom5
 
         track netMonDom5
-        subTrack chainNetMonDom5Viewnet
+        parent chainNetMonDom5Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign monDom5 chainMonDom5
         html chainNet
 
 track chainNetEriEur1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 191
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb eriEur1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetEriEur1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetEriEur1
+    parent chainNetEriEur1
     spectrum on
 
         track chainEriEur1
-        subTrack chainNetEriEur1Viewchain
+        parent chainNetEriEur1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain eriEur1
         html chainNet
 
     track chainNetEriEur1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetEriEur1
+    parent chainNetEriEur1
 
         track netEriEur1
-        subTrack chainNetEriEur1Viewnet
+        parent chainNetEriEur1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign eriEur1 chainEriEur1
         html chainNet
 
 track chainNetSorAra1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb sorAra1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetSorAra1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetSorAra1
+    parent chainNetSorAra1
     spectrum on
 
         track chainSorAra1
-        subTrack chainNetSorAra1Viewchain
+        parent chainNetSorAra1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain sorAra1
         html chainNet
 
     track chainNetSorAra1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetSorAra1
+    parent chainNetSorAra1
 
         track netSorAra1
-        subTrack chainNetSorAra1Viewnet
+        parent chainNetSorAra1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign sorAra1 chainSorAra1
         html chainNet
 
 track chainNetMm9
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb mm9
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetMm9Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMm9
+    parent chainNetMm9
     spectrum on
 
         track chainMm9
-        subTrack chainNetMm9Viewchain
+        parent chainNetMm9Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain mm9
         html chainNet
 
     track chainNetMm9Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMm9
+    parent chainNetMm9
 
         track netMm9
-        subTrack chainNetMm9Viewnet
+        parent chainNetMm9Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign mm9 chainMm9
         html chainNet
 
 track chainNetMm8
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb mm8
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetMm8Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMm8
+    parent chainNetMm8
     spectrum on
 
         track chainMm8
-        subTrack chainNetMm8Viewchain
+        parent chainNetMm8Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain mm8
         html chainNet
 
     track chainNetMm8Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMm8
+    parent chainNetMm8
 
         track netMm8
-        subTrack chainNetMm8Viewnet
+        parent chainNetMm8Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign mm8 chainMm8
         html chainNet
 
 track chainNetMm7
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb mm7
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetMm7Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMm7
+    parent chainNetMm7
     spectrum on
 
         track chainMm7
-        subTrack chainNetMm7Viewchain
+        parent chainNetMm7Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain mm7
         html chainNet
 
     track chainNetMm7Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMm7
+    parent chainNetMm7
 
         track netMm7
-        subTrack chainNetMm7Viewnet
+        parent chainNetMm7Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign mm7 chainMm7
         html chainNet
 
 track chainNetMm6
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb mm6
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetMm6Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMm6
+    parent chainNetMm6
     spectrum on
 
         track chainMm6
-        subTrack chainNetMm6Viewchain
+        parent chainNetMm6Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain mm6
         html chainNet
 
     track chainNetMm6Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMm6
+    parent chainNetMm6
 
         track netMm6
-        subTrack chainNetMm6Viewnet
+        parent chainNetMm6Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign mm6 chainMm6
         html chainNet
 
 track chainNetMm5
 release alpha
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 visibilityViewDefaults chain=pack net=dense
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 settingsByView chain:spectrum=on
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb mm5
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainMm5
     release alpha
-    subTrack chainNetMm5
+    parent chainNetMm5
     subGroups view=chain
     shortLabel $o_Organism Chain
     longLabel $o_Organism ($o_date) Chained Alignments
     type chain mm5
     html chainNet
 
     track netMm5
     release alpha
-    subTrack chainNetMm5
+    parent chainNetMm5
     subGroups view=net
     shortLabel $o_Organism Net
     longLabel $o_Organism ($o_date) Alignment Net
     type netAlign mm5 chainMm5
     html chainNet
 
 track chainNetRn4
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb rn4
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetRn4Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetRn4
+    parent chainNetRn4
     spectrum on
 
         track chainRn4
-        subTrack chainNetRn4Viewchain
+        parent chainNetRn4Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain rn4
         html chainNet
 
     track chainNetRn4Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetRn4
+    parent chainNetRn4
 
         track netRn4
-        subTrack chainNetRn4Viewnet
+        parent chainNetRn4Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign rn4 chainRn4
         html chainNet
 
 track chainNetRn3
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb rn3
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetRn3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetRn3
+    parent chainNetRn3
     spectrum on
 
         track chainRn3
-        subTrack chainNetRn3Viewchain
+        parent chainNetRn3Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain rn3
         html chainNet
 
     track chainNetRn3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetRn3
+    parent chainNetRn3
 
         track netRn3
-        subTrack chainNetRn3Viewnet
+        parent chainNetRn3Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign rn3 chainRn3
         html chainNet
 
 track chainNetCavPor3
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb cavPor3
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetCavPor3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetCavPor3
+    parent chainNetCavPor3
     spectrum on
 
         track chainCavPor3
-        subTrack chainNetCavPor3Viewchain
+        parent chainNetCavPor3Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain cavPor3
         html chainNet
 
     track chainNetCavPor3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetCavPor3
+    parent chainNetCavPor3
 
         track netCavPor3
-        subTrack chainNetCavPor3Viewnet
+        parent chainNetCavPor3Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign cavPor3 chainCavPor3
         html chainNet
 
 # release alpha until cavPor2 individual chain/net tracks phased out
 track chainNetCavPor2
 release alpha
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb cavPor2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetCavPor2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetCavPor2
+    parent chainNetCavPor2
     spectrum on
 
         track chainCavPor2
         release alpha
-        subTrack chainNetCavPor2Viewchain
+        parent chainNetCavPor2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain cavPor2
         html chainNet
 
     track chainNetCavPor2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetCavPor2
+    parent chainNetCavPor2
 
         track netCavPor2
         release alpha
-        subTrack chainNetCavPor2Viewnet
+        parent chainNetCavPor2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign cavPor2 chainCavPor2
         html chainNet
 
 track chainNetOryCun2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb oryCun2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetOryCun2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetOryCun2
+    parent chainNetOryCun2
     spectrum on
 
         track chainOryCun2
-        subTrack chainNetOryCun2Viewchain
+        parent chainNetOryCun2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain oryCun2
         html chainNet
 
     track chainNetOryCun2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetOryCun2
+    parent chainNetOryCun2
 
         track netOryCun2
-        subTrack chainNetOryCun2Viewnet
+        parent chainNetOryCun2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign oryCun2 chainOryCun2
         html chainNet
 
 track chainNetOryCun1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 209
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb oryCun1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetOryCun1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetOryCun1
+    parent chainNetOryCun1
     spectrum on
 
         track chainOryCun1
-        subTrack chainNetOryCun1Viewchain
+        parent chainNetOryCun1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain oryCun1
         html chainNet
 
     track chainNetOryCun1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetOryCun1
+    parent chainNetOryCun1
 
         track netOryCun1
-        subTrack chainNetOryCun1Viewnet
+        parent chainNetOryCun1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign oryCun1 chainOryCun1
         html chainNet
 
 track chainNetEquCab2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb equCab2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetEquCab2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetEquCab2
+    parent chainNetEquCab2
     spectrum on
 
         track chainEquCab2
-        subTrack chainNetEquCab2Viewchain
+        parent chainNetEquCab2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain equCab2
         html chainNet
 
     track chainNetEquCab2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetEquCab2
+    parent chainNetEquCab2
 
         track netEquCab2
-        subTrack chainNetEquCab2Viewnet
+        parent chainNetEquCab2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign equCab2 chainEquCab2
         html chainNet
 
 track chainNetEquCab1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb equCab1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetEquCab1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetEquCab1
+    parent chainNetEquCab1
     spectrum on
 
         track chainEquCab1
-        subTrack chainNetEquCab1Viewchain
+        parent chainNetEquCab1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain equCab1
         html chainNet
 
     track chainNetEquCab1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetEquCab1
+    parent chainNetEquCab1
 
         track netEquCab1
-        subTrack chainNetEquCab1Viewnet
+        parent chainNetEquCab1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign equCab1 chainEquCab1
         html chainNet
 
 track chainNetEchTel1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb echTel1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetEchTel1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetEchTel1
+    parent chainNetEchTel1
     spectrum on
 
         track chainEchTel1
-        subTrack chainNetEchTel1Viewchain
+        parent chainNetEchTel1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain echTel1
         html chainNet
 
     track chainNetEchTel1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetEchTel1
+    parent chainNetEchTel1
 
         track netEchTel1
-        subTrack chainNetEchTel1Viewnet
+        parent chainNetEchTel1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign echTel1 chainEchTel1
         html chainNet
 
 track chainNetDasNov2
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb dasNov2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetDasNov2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDasNov2
+    parent chainNetDasNov2
     spectrum on
 
         track chainDasNov2
-        subTrack chainNetDasNov2Viewchain
+        parent chainNetDasNov2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain dasNov2
         html chainNet
 
     track chainNetDasNov2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDasNov2
+    parent chainNetDasNov2
 
         track netDasNov2
-        subTrack chainNetDasNov2Viewnet
+        parent chainNetDasNov2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign dasNov2 chainDasNov2
         html chainNet
 
 track chainNetDasNov1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb dasNov1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetDasNov1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetDasNov1
+    parent chainNetDasNov1
     spectrum on
 
         track chainDasNov1
-        subTrack chainNetDasNov1Viewchain
+        parent chainNetDasNov1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain dasNov1
         html chainNet
 
     track chainNetDasNov1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetDasNov1
+    parent chainNetDasNov1
 
         track netDasNov1
-        subTrack chainNetDasNov1Viewnet
+        parent chainNetDasNov1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign dasNov1 chainDasNov1
         html chainNet
 
 track chainNetSusScr2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 475.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb susScr2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetSusScr2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetSusScr2
+    parent chainNetSusScr2
     spectrum on
 
         track chainSusScr2
-        subTrack chainNetSusScr2Viewchain
+        parent chainNetSusScr2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain susScr2
         html chainNet
 
     track chainNetSusScr2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetSusScr2
+    parent chainNetSusScr2
 
         track netSusScr2
-        subTrack chainNetSusScr2Viewnet
+        parent chainNetSusScr2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign susScr2 chainSusScr2
         html chainNet
 
 track chainNetSusScr1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 475.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb susScr1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetSusScr1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetSusScr1
+    parent chainNetSusScr1
     spectrum on
 
         track chainSusScr1
-        subTrack chainNetSusScr1Viewchain
+        parent chainNetSusScr1Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain susScr1
         html chainNet
 
     track chainNetSusScr1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetSusScr1
+    parent chainNetSusScr1
 
         track netSusScr1
-        subTrack chainNetSusScr1Viewnet
+        parent chainNetSusScr1Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign susScr1 chainSusScr1
         html chainNet
 
 
 track chainNetOviAri1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno 
 noInherit on
 priority 230 
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb oviAri1
 chainMinScore 3000
 chainLinearGap medium 
 spectrum on
 html chainNet 
 
     track chainNetOviAri1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetOviAri1
+    parent chainNetOviAri1
     spectrum on
     
         track chainOviAri1
-        subTrack chainNetOviAri1Viewchain
+        parent chainNetOviAri1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain oviAri1
         html chainNet
 
     track chainNetOviAri1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetOviAri1
+    parent chainNetOviAri1
     
         track netOviAri1
-        subTrack chainNetOviAri1Viewnet
+        parent chainNetOviAri1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign oviAri1 chainOviAri1
         html chainNet
 
 
 track chainNetBosTau4
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb bosTau4
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetBosTau4Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetBosTau4
+    parent chainNetBosTau4
     spectrum on
 
         track chainBosTau4
-        subTrack chainNetBosTau4Viewchain
+        parent chainNetBosTau4Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain bosTau4
         html chainNet
 
     track chainNetBosTau4Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetBosTau4
+    parent chainNetBosTau4
 
         track netBosTau4
-        subTrack chainNetBosTau4Viewnet
+        parent chainNetBosTau4Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign bosTau4 chainBosTau4
         html chainNet
 
 track chainNetBosTau3
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb bosTau3
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetBosTau3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetBosTau3
+    parent chainNetBosTau3
     spectrum on
 
         track chainBosTau3
-        subTrack chainNetBosTau3Viewchain
+        parent chainNetBosTau3Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain bosTau3
         html chainNet
 
     track chainNetBosTau3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetBosTau3
+    parent chainNetBosTau3
 
         track netBosTau3
-        subTrack chainNetBosTau3Viewnet
+        parent chainNetBosTau3Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign bosTau3 chainBosTau3
         html chainNet
 
 track chainNetBosTau2
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb bosTau2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetBosTau2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetBosTau2
+    parent chainNetBosTau2
     spectrum on
 
         track chainBosTau2
-        subTrack chainNetBosTau2Viewchain
+        parent chainNetBosTau2Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain bosTau2
         html chainNet
 
     track chainNetBosTau2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetBosTau2
+    parent chainNetBosTau2
 
         track netBosTau2
-        subTrack chainNetBosTau2Viewnet
+        parent chainNetBosTau2Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign bosTau2 chainBosTau2
         html chainNet
 
 track chainNetBosTau1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb bosTau1
 chainMinScore 1000
 chainLinearGap loose
 spectrum on
 html chainNet
 
     track chainNetBosTau1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetBosTau1
+    parent chainNetBosTau1
     spectrum on
 
         track chainBosTau1
-        subTrack chainNetBosTau1Viewchain
+        parent chainNetBosTau1Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain bosTau1
         html chainNet
 
     track chainNetBosTau1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetBosTau1
+    parent chainNetBosTau1
 
         track netBosTau1
-        subTrack chainNetBosTau1Viewnet
+        parent chainNetBosTau1Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign bosTau1 chainBosTau1
         html chainNet
 
 track chainNetAilMel1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 415.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb ailMel1
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetAilMel1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetAilMel1
+    parent chainNetAilMel1
     spectrum on
 
         track chainAilMel1
-        subTrack chainNetAilMel1Viewchain
+        parent chainNetAilMel1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain ailMel1
         html chainNet
 
     track chainNetAilMel1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetAilMel1
+    parent chainNetAilMel1
 
         track netAilMel1
-        subTrack chainNetAilMel1Viewnet
+        parent chainNetAilMel1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign ailMel1 chainAilMel1
         html chainNet
 
 track chainNetCanFam2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb canFam2
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetCanFam2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetCanFam2
+    parent chainNetCanFam2
     spectrum on
 
         track chainCanFam2
-        subTrack chainNetCanFam2Viewchain
+        parent chainNetCanFam2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain canFam2
         html chainNet
 
     track chainNetCanFam2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetCanFam2
+    parent chainNetCanFam2
 
         track netCanFam2
-        subTrack chainNetCanFam2Viewnet
+        parent chainNetCanFam2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign canFam2 chainCanFam2
         html chainNet
 
 track chainNetFelCatV17e
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 430.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb felCatV17e
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetFelCatV17eViewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetFelCatV17e
+    parent chainNetFelCatV17e
     spectrum on
 
         track chainFelCatV17e
-        subTrack chainNetFelCatV17eViewchain
+        parent chainNetFelCatV17eViewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain felCatV17e
         html chainNet
 
     track chainNetFelCatV17eViewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetFelCatV17e
+    parent chainNetFelCatV17e
 
         track netFelCatV17e
-        subTrack chainNetFelCatV17eViewnet
+        parent chainNetFelCatV17eViewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign felCatV17e chainFelCatV17e
         html chainNet
 
 track chainNetFelCat3
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb felCat3
 chainMinScore 3000
 chainLinearGap medium
 spectrum on
 html chainNet
 
     track chainNetFelCat3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetFelCat3
+    parent chainNetFelCat3
     spectrum on
 
         track chainFelCat3
-        subTrack chainNetFelCat3Viewchain
+        parent chainNetFelCat3Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain felCat3
         html chainNet
 
     track chainNetFelCat3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetFelCat3
+    parent chainNetFelCat3
 
         track netFelCat3
-        subTrack chainNetFelCat3Viewnet
+        parent chainNetFelCat3Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign felCat3 chainFelCat3
         html chainNet
 
 track chainNetMicMur1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 290.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb MicMur1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetMicMur1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetMicMur1
+    parent chainNetMicMur1
     spectrum on
 
         track chainMicMur1
-        subTrack chainNetMicMur1Viewchain
+        parent chainNetMicMur1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain MicMur1
         html chainNet
 
     track chainNetMicMur1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetMicMur1
+    parent chainNetMicMur1
 
         track netMicMur1
-        subTrack chainNetMicMur1Viewnet
+        parent chainNetMicMur1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign MicMur1 chainMicMur1
         html chainNet
 
 track chainNetTarSyr1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 270.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb tarSyr1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetTarSyr1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetTarSyr1
+    parent chainNetTarSyr1
     spectrum on
 
         track chainTarSyr1
-        subTrack chainNetTarSyr1Viewchain
+        parent chainNetTarSyr1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain tarSyr1
         html chainNet
 
     track chainNetTarSyr1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetTarSyr1
+    parent chainNetTarSyr1
 
         track netTarSyr1
-        subTrack chainNetTarSyr1Viewnet
+        parent chainNetTarSyr1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign tarSyr1 chainTarSyr1
         html chainNet
 
 track chainNetVenter
 compositeTrack on
 shortLabel Venter Chain/Net
 longLabel J. Craig Venter Chain and Net Alignments
 subGroup1 view Views chain=Chains net=Nets
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 500
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 
     track chainNetVenterViewchain
     shortLabel Chains
     view chain
     visibility pack
-    subTrack chainNetVenter
+    parent chainNetVenter
     spectrum on
 
         track chainVenter1
-        subTrack chainNetVenterViewchain off
+        parent chainNetVenterViewchain off
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         color 0,0,0
         altColor 100,50,0
         matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
         matrixHeader A, C, G, T
         type chain venter1
         otherDb venter1
 
     track chainNetVenterViewnet
     shortLabel Nets
     view net
     visibility full
-    subTrack chainNetVenter
+    parent chainNetVenter
 
         track netVenter1
-        subTrack chainNetVenterViewnet off
+        parent chainNetVenterViewnet off
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign venter1 chainVenter1
         otherDb venter1
 
 track chainNetHg18
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 90,-330,-236,-356,-330,100,-318,-236,-236,-318,100,-330,-356,-236,-330,90
 matrixHeader A, C, G, T
 otherDb hg18
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetHg18Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetHg18
+    parent chainNetHg18
     spectrum on
 
         track chainHg18
-        subTrack chainNetHg18Viewchain
+        parent chainNetHg18Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain hg18
         html chainNet
 
     track chainNetHg18Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetHg18
+    parent chainNetHg18
 
         track netHg18
-        subTrack chainNetHg18Viewnet
+        parent chainNetHg18Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign hg18 chainHg18
         html chainNet
 
 track chainNetHg19
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 90,-330,-236,-356,-330,100,-318,-236,-236,-318,100,-330,-356,-236,-330,90
 matrixHeader A, C, G, T
 otherDb hg19
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetHg19Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetHg19
+    parent chainNetHg19
     spectrum on
 
         track chainHg19
-        subTrack chainNetHg19Viewchain
+        parent chainNetHg19Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain hg19
         html chainNet
 
     track chainNetHg19Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetHg19
+    parent chainNetHg19
 
         track netHg19
-        subTrack chainNetHg19Viewnet
+        parent chainNetHg19Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign hg19 chainHg19
         html chainNet
 
 track chainNetHg17
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb hg17
 chainMinScore 1000
 chainLinearGap loose
 html chainNet
 
     track chainNetHg17Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetHg17
+    parent chainNetHg17
     spectrum on
 
         track chainHg17
-        subTrack chainNetHg17Viewchain
+        parent chainNetHg17Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain hg17
         html chainNet
 
     track chainNetHg17Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetHg17
+    parent chainNetHg17
 
         track netHg17
-        subTrack chainNetHg17Viewnet
+        parent chainNetHg17Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign hg17 chainHg17
         html chainNet
 
 track chainNetPanTro2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 90,-330,-236,-356,-330,100,-318,-236,-236,-318,100,-330,-356,-236,-330,90
 matrixHeader A, C, G, T
 otherDb panTro2
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetPanTro2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetPanTro2
+    parent chainNetPanTro2
     spectrum on
 
         track chainPanTro2
-        subTrack chainNetPanTro2Viewchain
+        parent chainNetPanTro2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain panTro2
         html chainNet
 
     track chainNetPanTro2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetPanTro2
+    parent chainNetPanTro2
 
         track netPanTro2
-        subTrack chainNetPanTro2Viewnet
+        parent chainNetPanTro2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign panTro2 chainPanTro2
         html chainNet
 
 track chainNetPanTro1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 90,-330,-236,-356,-330,100,-318,-236,-236,-318,100,-330,-356,-236,-330,90
 matrixHeader A, C, G, T
 otherDb panTro1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetPanTro1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetPanTro1
+    parent chainNetPanTro1
     spectrum on
 
         track chainPanTro1
-        subTrack chainNetPanTro1Viewchain
+        parent chainNetPanTro1Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain panTro1
         html chainNet
 
     track chainNetPanTro1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetPanTro1
+    parent chainNetPanTro1
 
         track netPanTro1
-        subTrack chainNetPanTro1Viewnet
+        parent chainNetPanTro1Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign panTro1 chainPanTro1
         html chainNet
 
 track chainNetGorGor2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 220.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb gorGor2
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetGorGor2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetGorGor2
+    parent chainNetGorGor2
     spectrum on
 
         track chainGorGor2
-        subTrack chainNetGorGor2Viewchain
+        parent chainNetGorGor2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain gorGor2
         html chainNet
 
     track chainNetGorGor2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetGorGor2
+    parent chainNetGorGor2
 
         track netGorGor2
-        subTrack chainNetGorGor2Viewnet
+        parent chainNetGorGor2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign gorGor2 chainGorGor2
         html chainNet
 
 track chainNetGorGor1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb gorGor1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetGorGor1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetGorGor1
+    parent chainNetGorGor1
     spectrum on
 
         track chainGorGor1
-        subTrack chainNetGorGor1Viewchain
+        parent chainNetGorGor1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain gorGor1
         html chainNet
 
     track chainNetGorGor1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetGorGor1
+    parent chainNetGorGor1
 
         track netGorGor1
-        subTrack chainNetGorGor1Viewnet
+        parent chainNetGorGor1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign gorGor1 chainGorGor1
         html chainNet
 
 track chainNetPonAbe2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 90,-330,-236,-356,-330,100,-318,-236,-236,-318,100,-330,-356,-236,-330,90
 matrixHeader A, C, G, T
 otherDb ponAbe2
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetPonAbe2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetPonAbe2
+    parent chainNetPonAbe2
     spectrum on
 
         track chainPonAbe2
-        subTrack chainNetPonAbe2Viewchain
+        parent chainNetPonAbe2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain ponAbe2
         html chainNet
 
     track chainNetPonAbe2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetPonAbe2
+    parent chainNetPonAbe2
 
         track netPonAbe2
-        subTrack chainNetPonAbe2Viewnet
+        parent chainNetPonAbe2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign ponAbe2 chainPonAbe2
         html chainNet
 
 track chainNetTupBel1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb tupBel1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetTupBel1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetTupBel1
+    parent chainNetTupBel1
     spectrum on
 
         track chainTupBel1
-        subTrack chainNetTupBel1Viewchain
+        parent chainNetTupBel1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain tupBel1
         html chainNet
 
     track chainNetTupBel1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetTupBel1
+    parent chainNetTupBel1
 
         track netTupBel1
-        subTrack chainNetTupBel1Viewnet
+        parent chainNetTupBel1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign tupBel1 chainTupBel1
         html chainNet
 
 track chainNetOtoGar1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb otoGar1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetOtoGar1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetOtoGar1
+    parent chainNetOtoGar1
     spectrum on
 
         track chainOtoGar1
-        subTrack chainNetOtoGar1Viewchain
+        parent chainNetOtoGar1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain otoGar1
         html chainNet
 
     track chainNetOtoGar1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetOtoGar1
+    parent chainNetOtoGar1
 
         track netOtoGar1
-        subTrack chainNetOtoGar1Viewnet
+        parent chainNetOtoGar1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign otoGar1 chainOtoGar1
         html chainNet
 
 track chainNetCalJac3
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 260.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 90,-330,-236,-356,-330,100,-318,-236,-236,-318,100,-330,-356,-236,-330,90
 matrixHeader A, C, G, T
 otherDb calJac3
 chainMinScore 5000
 chainLinearGap medium
 html chainNet
 
     track chainNetCalJac3Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetCalJac3
+    parent chainNetCalJac3
     spectrum on
 
         track chainCalJac3
-        subTrack chainNetCalJac3Viewchain
+        parent chainNetCalJac3Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain calJac3
         html chainNet
 
     track chainNetCalJac3Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetCalJac3
+    parent chainNetCalJac3
 
         track netCalJac3
-        subTrack chainNetCalJac3Viewnet
+        parent chainNetCalJac3Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign calJac3 chainCalJac3
         html chainNet
 
 track chainNetCalJac1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb calJac1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetCalJac1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetCalJac1
+    parent chainNetCalJac1
     spectrum on
 
         track chainCalJac1
-        subTrack chainNetCalJac1Viewchain
+        parent chainNetCalJac1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain calJac1
         html chainNet
 
     track chainNetCalJac1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetCalJac1
+    parent chainNetCalJac1
 
         track netCalJac1
-        subTrack chainNetCalJac1Viewnet
+        parent chainNetCalJac1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign calJac1 chainCalJac1
         html chainNet
 
 track chainNetPapHam1
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 240.3
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 90,-330,-236,-356,-330,100,-318,-236,-236,-318,100,-330,-356,-236,-330,90
 matrixHeader A, C, G, T
 otherDb papHam1
 chainMinScore 5000
 chainLinearGap medium
 html chainNet
 
     track chainNetPapHam1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetPapHam1
+    parent chainNetPapHam1
     spectrum on
 
         track chainPapHam1
-        subTrack chainNetPapHam1Viewchain
+        parent chainNetPapHam1Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain papHam1
         html chainNet
 
     track chainNetPapHam1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetPapHam1
+    parent chainNetPapHam1
 
         track netPapHam1
-        subTrack chainNetPapHam1Viewnet
+        parent chainNetPapHam1Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign papHam1 chainPapHam1
         html chainNet
 
 track chainNetRheMac2
 compositeTrack on
 shortLabel $o_Organism Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb rheMac2
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetRheMac2Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetRheMac2
+    parent chainNetRheMac2
     spectrum on
 
         track chainRheMac2
-        subTrack chainNetRheMac2Viewchain
+        parent chainNetRheMac2Viewchain
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain rheMac2
         html chainNet
 
     track chainNetRheMac2Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetRheMac2
+    parent chainNetRheMac2
 
         track netRheMac2
-        subTrack chainNetRheMac2Viewnet
+        parent chainNetRheMac2Viewnet
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign rheMac2 chainRheMac2
         html chainNet
 
 track chainNetRheMac1
 compositeTrack on
 shortLabel $o_db Chain/Net
 longLabel $o_Organism ($o_date), Chain and Net Alignments
 subGroup1 view Views chain=Chain net=Net
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 498
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 matrix 16 91,-114,-31,-123,-114,100,-125,-31,-31,-125,100,-114,-123,-31,-114,91
 matrixHeader A, C, G, T
 otherDb rheMac1
 chainMinScore 3000
 chainLinearGap medium
 html chainNet
 
     track chainNetRheMac1Viewchain
     shortLabel Chain
     view chain
     visibility pack
-    subTrack chainNetRheMac1
+    parent chainNetRheMac1
     spectrum on
 
         track chainRheMac1
-        subTrack chainNetRheMac1Viewchain
+        parent chainNetRheMac1Viewchain
         subGroups view=chain
         shortLabel $o_db Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         type chain rheMac1
         html chainNet
 
     track chainNetRheMac1Viewnet
     shortLabel Net
     view net
     visibility full
-    subTrack chainNetRheMac1
+    parent chainNetRheMac1
 
         track netRheMac1
-        subTrack chainNetRheMac1Viewnet
+        parent chainNetRheMac1Viewnet
         subGroups view=net
         shortLabel $o_db Net
         longLabel $o_Organism ($o_date) Alignment net
         type netAlign rheMac1 chainRheMac1
         html chainNet
 
 track chainNetPoodle
 compositeTrack on
 shortLabel Poodle Chain/Net
 longLabel Poodle Chain and Net Alignments
 subGroup1 view Views chain=Chains net=Nets
 dragAndDrop subTracks
 visibility hide
 group compGeno
 noInherit on
 priority 500
 color 0,0,0
 altColor 100,50,0
 type bed 3
 sortOrder view=+
 
     track chainNetPoodleViewchain
     shortLabel Chains
     view chain
     visibility pack
-    subTrack chainNetPoodle
+    parent chainNetPoodle
     spectrum on
 
         track chainCanFamPoodle1
-        subTrack chainNetPoodleViewchain off
+        parent chainNetPoodleViewchain off
         subGroups view=chain
         shortLabel $o_Organism Chain
         longLabel $o_Organism ($o_date) Chained Alignments
         color 0,0,0
         altColor 100,50,0
         matrix 16 91,-90,-25,-100,-90,100,-100,-25,-25,-100,100,-90,-100,-25,-90,91
         matrixHeader A, C, G, T
         type chain canFamPoodle1
         otherDb canFamPoodle1
 
     track chainNetPoodleViewnet
     shortLabel Nets
     view net
     visibility full
-    subTrack chainNetPoodle
+    parent chainNetPoodle
 
         track netCanFamPoodle1
-        subTrack chainNetPoodleViewnet off
+        parent chainNetPoodleViewnet off
         subGroups view=net
         shortLabel $o_Organism Net
         longLabel $o_Organism ($o_date) Alignment Net
         type netAlign canFamPoodle1 chainCanFamPoodle1
         otherDb canFamPoodle1