141deaec9ba7a2912faedaf2a62fa189108b4c43
braney
  Thu Apr 13 12:15:01 2023 -0700
some final clean-up on logoMaf:   allow the user to turn it off, and
scale by the amount of the data within the clipping rectangle

diff --git src/hg/hgTracks/wigCommon.h src/hg/hgTracks/wigCommon.h
index ac1e2e1..84540fb 100644
--- src/hg/hgTracks/wigCommon.h
+++ src/hg/hgTracks/wigCommon.h
@@ -22,30 +22,31 @@
     enum wiggleAlwaysZeroEnum alwaysZero;	/*  OFF/ON	*/
     enum wiggleTransformFuncEnum transformFunc;	/*  NONE/LOG	*/
     double minY;	/*	from trackDb.ra words, the absolute minimum */
     double maxY;	/*	from trackDb.ra words, the absolute maximum */
     int maxHeight;	/*	maximum pixels height from trackDb	*/
     int defaultHeight;	/*	requested height from cart	*/
     int minHeight;	/*	minimum pixels height from trackDb	*/
     double yLineMark;	/*	user requested line at y = */
     char *colorTrack;   /*	Track to use for coloring wiggle track. */
     int graphColumn;	/*	column to be graphing (bedGraph tracks)	*/
     boolean bedGraph;	/*	is this a bedGraph track ?	*/
     boolean isMultiWig;	/*      If true it's a multi-wig. */
     enum wiggleAggregateFunctionEnum aggregateFunction;	/*  NONE/TRANSPARENT/STACKED	*/
     boolean doNegative; /*      should we negate the values */
     struct mafBaseProbs *baseProbs;  /* if we're in logoMaf mode, this will hold the base probabilities. */
+    boolean doSequenceLogo; /*      should we draw a sequence logo when near baselevel? */
     };
 
 struct wigCartOptions *wigCartOptionsNew(struct cart *cart, struct trackDb *tdb, int wordCount, char *words[]);
 /* Create a wigCartOptions from cart contents and tdb. */
 
 struct preDrawContainer
 /* A preDraw array with a little bit of extra info */
     {
     struct preDrawContainer *nextPlaceholder;   /* Refactoring code so not in list really. */
     struct preDrawElement *preDraw;     /* Array of values. */
     int preDrawSize;		/* Size of preDraw */
     int preDrawZero;		/* Offset from start of predraw array to data requested.  We
                                  * get more because of smoothing */
     int width;			/* Passed in width, number of pixels to display without smooth */
     double graphUpperLimit, graphLowerLimit; /* limits to the smoothed value */