src/hg/makeDb/trackDb/README 1.94

Index: src/hg/makeDb/trackDb/README
===================================================================
RCS file: /projects/compbio/cvsroot/kent/src/hg/makeDb/trackDb/README,v
retrieving revision 1.93
retrieving revision 1.94
diff -b -B -U 4 -r1.93 -r1.94
--- src/hg/makeDb/trackDb/README	30 Nov 2009 21:06:32 -0000	1.93
+++ src/hg/makeDb/trackDb/README	1 Dec 2009 05:36:23 -0000	1.94
@@ -247,8 +247,14 @@
     This uses a binary indexed file rather than a database table.  It is, other than
     substituting "bigBed" for "bed" in the type line, the same as the "type bed"
     explained above.
 
+    bigBed-specific optional field:
+        denseCoverage maxVal
+    In dense mode do a density plot based on maximum coverage seen under pixel.  The maxVal 
+    corresponds to the count at which it gets as dark as it can get.  If maxVal is 0 then this
+    will be calculated from the data itself.
+
 18. type bigWig [lower] [upper]
     This uses a binary indexed file rather than a database table.  It is, other than
     substituting "bigWig" for "wig" in the type line, the same as the "type wig"
     explained above.