984ba3b31499263d5e71deff44dbf7f23abc2bda
chmalee
  Fri Dec 13 12:01:13 2019 -0800
hgTrack makes a color key for the pLI track, refs #20394

diff --git src/hg/hgTracks/hgTracks.h src/hg/hgTracks/hgTracks.h
index 5a743eb..eb6d628 100644
--- src/hg/hgTracks/hgTracks.h
+++ src/hg/hgTracks/hgTracks.h
@@ -574,30 +574,31 @@
 #define EXPR_DATA_SHADES 16
 extern Color shadesOfGreen[EXPR_DATA_SHADES];
 extern Color shadesOfRed[EXPR_DATA_SHADES];
 extern Color shadesOfBlue[EXPR_DATA_SHADES];
 extern Color shadesOfYellow[EXPR_DATA_SHADES];
 
 extern Color shadesOfGreenOnWhite[EXPR_DATA_SHADES];
 extern Color shadesOfRedOnWhite[EXPR_DATA_SHADES];
 extern Color shadesOfBlueOnWhite[EXPR_DATA_SHADES];
 extern Color shadesOfYellowOnWhite[EXPR_DATA_SHADES];
 
 extern Color shadesOfRedOnYellow[EXPR_DATA_SHADES];
 extern Color shadesOfBlueOnYellow[EXPR_DATA_SHADES];
 
 extern boolean chromosomeColorsMade; /* Have the 3 shades of 8 chromosome colors been allocated? */
+extern boolean doPliColors; /* Put up the color legend for the gnomAD pLI track */
 extern boolean exprBedColorsMade; /* Have the shades of Green, Red, and Blue been allocated? */
 extern int maxRGBShade;
 
 extern boolean trackImgOnly;           /* caller wants just the track image and track table html */
 
 /* used in MAF display */
 #define UNALIGNED_SEQ 'o'
 #define MAF_DOUBLE_GAP '='
 
 void abbr(char *s, char *fluff);
 /* Cut out fluff from s. */
 
 struct track *getTrackList(struct group **pGroupList, int vis);
 /* Return list of all tracks, organizing by groups.
  * If vis is -1, restore default groups to tracks.