5b721580514920ee77d0ac6eb5792f0c4140c48d
kent
  Fri Jun 27 17:45:43 2014 -0700
Making it so that directional arrows are visible more often on chains.
diff --git src/hg/hgTracks/chainTrack.c src/hg/hgTracks/chainTrack.c
index 839b16c..d875599 100644
--- src/hg/hgTracks/chainTrack.c
+++ src/hg/hgTracks/chainTrack.c
@@ -376,30 +376,31 @@
 {
 
 struct cartOptions *chainCart;
 
 AllocVar(chainCart);
 
 boolean normScoreAvailable = chainDbNormScoreAvailable(tdb);
 
 /*	what does the cart say about coloring option	*/
 chainCart->chainColor = chainFetchColorOption(cart, tdb, FALSE);
 chainCart->scoreFilter = cartUsualIntClosestToHome(cart, tdb,
 	FALSE, SCORE_FILTER, 0);
 
 linkedFeaturesMethods(tg);
 tg->itemColor = lfChromColor;	/*	default coloring option */
+tg->exonArrowsAlways = TRUE;
 
 /*	if normScore column is available, then allow coloring	*/
 if (normScoreAvailable)
     {
     switch (chainCart->chainColor)
 	{
 	case (chainColorScoreColors):
 	    tg->itemColor = chainScoreColor;
 	    tg->colorShades = shadesOfGray;
 	    break;
 	case (chainColorNoColors):
 	    setNoColor(tg);
 	    break;
 	default:
 	case (chainColorChromColors):