118634b1bb159357168a349dbf600f545e096f56
max
  Fri Jul 24 08:17:41 2026 -0700
Revert "hgTracks: strand-direction arrows on the zoomed-in codon/CDS and UTR display"

This reverts commit ded41ea1968e30e2c248f65d1c9fec9793cb82fc.

diff --git src/hg/hgTracks/cds.h src/hg/hgTracks/cds.h
index a545e88067d..35159fbdd4d 100644
--- src/hg/hgTracks/cds.h
+++ src/hg/hgTracks/cds.h
@@ -162,40 +162,30 @@
         int maxPixels, int winStart, Color originalColor);
 /*draw a box that is colored by the bases inside it and its
  * orientation. Stop codons are red, start are green, otherwise they
  * alternate light/dark blue colors. */
 
 void baseColorOverdrawDiff(struct track *tg,  struct linkedFeatures *lf,
 			   struct hvGfx *hvg, int xOff,
 			   int y, double scale, int heightPer,
 			   struct dnaSeq *qSeq, int qOffset, struct psl *psl,
 			   int winStart, enum baseColorDrawOpt drawOpt);
 /* If we're drawing different bases/codons, and zoomed out past base/codon 
  * level, draw 1-pixel wide red lines only where bases/codons differ from 
  * genomic.  This tests drawing mode and zoom level but assumes that lf itself 
  * has been drawn already and we're not in dense mode etc. */
 
-void baseColorDrawCdsArrows(struct track *tg, struct linkedFeatures *lf,
-                            struct hvGfx *hvg, int xOff, int y, double scale,
-                            int heightPer, int winStart, enum baseColorDrawOpt drawOpt,
-                            Color color);
-/* When zoomed in enough to color codons, distribute strand-direction chevrons
- * across each exon on top of the boxes: white over the coding codons (only when
- * they are too small to label), and the feature's contrasting color at a wider
- * spacing over the UTRs as a cue that they are non-coding.  No-op below the
- * codon-color zoom level, when coding coloring is off, or when strand unknown. */
-
 void baseColorOverdrawQInsert(struct track *tg,  struct linkedFeatures *lf,
 			      struct hvGfx *hvg, int xOff,
 			      int y, double scale, int heightPer,
 			      struct dnaSeq *qSeq, int qOffset, struct psl *psl,
 			      MgFont *font, int winStart, enum baseColorDrawOpt drawOpt,
 			      boolean indelShowQInsert, boolean indelShowPolyA);
 /* If applicable, draw 1-pixel wide orange lines for query insertions in the
  * middle of the query, 1-pixel wide purple lines for query insertions at the 
  * end of the query, and 1-pixel wide green (instead of purple) when a query 
  * insertion at the end is a valid poly-A tail. */
 
 
 struct simpleFeature *baseColorCodonsFromDna(int frame, int chromStart,
 					     int chromEnd, struct dnaSeq *seq,
 					     bool reverse);