9174a163b341bfd2dd5c8fe84952265e74bef32a
angie
  Sun Sep 27 23:50:14 2020 -0700
Added setting sampleColorFile so one or more sample coloring schemes can be offered for the tree in VCF+tree tracks.  refs #26177
TODO: document the new setting

diff --git src/hg/inc/vcfUi.h src/hg/inc/vcfUi.h
index bc95548..e4570ea 100644
--- src/hg/inc/vcfUi.h
+++ src/hg/inc/vcfUi.h
@@ -20,30 +20,32 @@
 #define VCF_HAP_METHOD_TREE_FILE "treeFile"
 #define VCF_DEFAULT_HAP_METHOD VCF_HAP_METHOD_CENTER_WEIGHTED
 
 #define VCF_HAP_COLORBY_VAR "hapClusterColorBy"
 #define VCF_HAP_COLORBY_ALTONLY "altOnly"
 #define VCF_HAP_COLORBY_FUNCTION "function"
 #define VCF_HAP_COLORBY_REFALT "refAlt"
 #define VCF_HAP_COLORBY_BASE "base"
 #define VCF_DEFAULT_HAP_COLORBY VCF_HAP_COLORBY_ALTONLY
 
 #define VCF_HAP_TREEANGLE_VAR "hapClusterTreeAngle"
 #define VCF_HAP_TREEANGLE_TRIANGLE "triangle"
 #define VCF_HAP_TREEANGLE_RECTANGLE "rectangle"
 #define VCF_DEFAULT_HAP_TREEANGLE VCF_HAP_TREEANGLE_TRIANGLE
 
+#define VCF_SAMPLE_COLOR_FILE "sampleColorFile"
+
 #define VCF_SHOW_HW_VAR "showHardyWeinberg"
 
 #define VCF_APPLY_MIN_QUAL_VAR "applyMinQual"
 #define VCF_DEFAULT_APPLY_MIN_QUAL FALSE
 
 #define VCF_DO_QUAL_UI "vcfDoQual"
 #define VCF_MIN_QUAL_VAR "minQual"
 #define VCF_DEFAULT_MIN_QUAL 0
 
 #define VCF_DO_FILTER_UI "vcfDoFilter"
 
 #define VCF_EXCLUDE_FILTER_VAR "excludeFilterValues"
 
 #define VCF_DO_MAF_UI "vcfDoMaf"
 #define VCF_MIN_ALLELE_FREQ_VAR "minFreq"