5cf8fec12cc427c0db2889430ea1758dbb7e7087
kent
  Tue Feb 9 09:42:18 2021 -0800
Clipping mark of a magenta stripe at top had got lost,  I brought it back.

diff --git src/hg/hgTracks/barChartTrack.c src/hg/hgTracks/barChartTrack.c
index 668a7f2..436a122 100644
--- src/hg/hgTracks/barChartTrack.c
+++ src/hg/hgTracks/barChartTrack.c
@@ -659,45 +659,51 @@
 // draw bar graph
 int i;
 int expCount = bed->expCount;
 struct barChartCategory *categ;
 int barCount = filteredCategoryCount(extras), barsDrawn = 0;
 double invCount = 1.0/barCount;
 for (i=0, categ=extras->categories; i<expCount && categ != NULL; i++, categ=categ->next)
     {
     if (!filterCategory(extras, categ->name))
         continue;
     struct rgbColor fillColor = extras->colors[i];
     int fillColorIx = hvGfxFindColorIx(hvg, fillColor.r, fillColor.g, fillColor.b);
     double expScore = bed->expScores[i];
     int height = valToClippedHeight(expScore, extras->maxMedian, extras->maxViewLimit, 
                                         extras->maxHeight, extras->doLogTransform);
+    boolean isClipped = (!extras->doLogTransform && expScore > extras->maxViewLimit);
+    int barTop = yZero - height + 1;
     if (extras->padding == 0 || sameString(colorScheme, BAR_CHART_COLORS_USER))
 	{
 	int cStart = barsDrawn * graphWidth * invCount;
 	int cEnd = (barsDrawn+1) * graphWidth * invCount;
-        hvGfxBox(hvg, cStart + x0, yZero-height+1, cEnd-cStart - extras->padding, height, fillColorIx);
+	x1 = cStart + x0;
+	barWidth = cEnd - cStart;
+        hvGfxBox(hvg, x1, barTop, barWidth, height, fillColorIx);
+	if (isClipped)
+	    hvGfxBox(hvg, x1, barTop, barWidth, 2, clipColor);
 	barsDrawn += 1;
 	}
     else
 	{
-        hvGfxOutlinedBox(hvg, x1, yZero-height+1, barWidth, height, fillColorIx, lineColorIx);
+        hvGfxOutlinedBox(hvg, x1, barTop, barWidth, height, fillColorIx, lineColorIx);
+	// mark clipped bar with magenta tip
+	if (isClipped)
+	    hvGfxBox(hvg, x1, barTop, barWidth, 2, clipColor);
 	x1 = x1 + barWidth + extras->padding;
 	}
-    // mark clipped bar with magenta tip
-    if (!extras->doLogTransform && expScore > extras->maxViewLimit)
-        hvGfxBox(hvg, x1, yZero-height+1, barWidth, 2, clipColor);
     }
 }
 
 static char *chartMapText(struct track *tg, struct barChartCategory *categ, double expScore)
 /* Construct mouseover text for a chart bar */
 {
 static char buf[128];
 struct barChartTrack *extras = (struct barChartTrack *)tg->extraUiData;
 safef(buf, sizeof(buf), "%s (%.1f %s)", categ->label, expScore, extras->unit);
 subChar(buf, '_', ' ');
 return buf;
 }
 
 static int barChartItemStart(struct track *tg, void *item)
 /* Return end chromosome coordinate of item, including graph */