b94993d07e5d0ef24f17a40c9ca7f5b2ddb93701
braney
  Wed May 11 10:50:56 2022 -0700
allow hubs to specify a naming authority for the chromosome that's
displayed by the browser

diff --git src/hg/hgTracks/simpleTracks.c src/hg/hgTracks/simpleTracks.c
index bfe7b63..05aab78 100644
--- src/hg/hgTracks/simpleTracks.c
+++ src/hg/hgTracks/simpleTracks.c
@@ -222,30 +222,31 @@
 char *singleTransId = "uc001uub.1";
 
 // singleAltHaplos (single haplotype)
 char *singleAltHaploId = "chr6_cox_hap2";
 
 char *virtModeType = "default";  /* virtual chrom mode type */
 char *lastVirtModeType = "default";
 char *virtModeShortDescr = "";   /* short description of virt mode */
 char *virtModeExtraState = "";   /* Other settings that affect the virtMode state such as padding or some parameter */
 char *lastVirtModeExtraState = "";
 struct cart *lastDbPosCart = NULL;   /* store settings for use in lastDbPos and hgTracks.js setupHistory */
 
 char *organism;                 /* Name of organism we're working on. */
 char *database;			/* Name of database we're using. */
 char *chromName;		/* Name of chromosome sequence . */
+char *displayChromName;		/* Name of chromosome sequence to display . */
 int winStart;                   /* Start of window in sequence. */
 int winEnd;                     /* End of window in sequence. */
 char *position = NULL;          /* Name of position. */
 
 int insideX;			/* Start of area to draw track in in pixels. */
 int insideWidth;		/* Width of area to draw tracks in in pixels. */
 int leftLabelX;                 /* Start of area to draw left labels on. */
 int leftLabelWidth;             /* Width of area to draw left labels on. */
 float basesPerPixel = 0;       /* bases covered by a pixel; a measure of zoom */
 boolean zoomedToBaseLevel;      /* TRUE if zoomed so we can draw bases. */
 boolean zoomedToCodonNumberLevel; /* TRUE if zoomed so we can print codons and exon number text in genePreds*/
 boolean zoomedToCodonLevel; /* TRUE if zoomed so we can print codons text in genePreds*/
 boolean zoomedToCdsColorLevel; /* TRUE if zoomed so we can color each codon*/
 
 boolean withLeftLabels = TRUE;		/* Display left labels? */