4e5b41a3d4c933bffb2958c9b34f925bab023179
kate
  Tue Dec 12 13:07:26 2017 -0800
Suppress labels on interchromosomal items if any on screen would overlap.  Maybe later try packing, but this could be tricky. refs #17512

diff --git src/hg/inc/longRange.h src/hg/inc/longRange.h
index bb91f1b..f9280d1 100644
--- src/hg/inc/longRange.h
+++ src/hg/inc/longRange.h
@@ -1,57 +1,60 @@
 /* longRange - Long Range Interaction Format functions */
 
 /* Copyright (C) 2013 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 #ifndef LONGRANGE_H
 #define LONGRANGE_H
 
 #include "common.h"
 #include "cheapcgi.h"
 #include "cart.h"
 #include "trackDb.h"
 #include "bed.h"
 
 #define LONG_HEIGHT "heightPer"
 #define LONG_MINHEIGHT 20
 #define LONG_MAXHEIGHT 300
 #define LONG_DEFHEIGHT "200"
 #define LONG_MINSCORE "minScore"
 #define LONG_DEFMINSCORE "0"
 
 struct longRange
 {
 struct longRange *next;
 char *name;     // for longTabix, Wash U field 4 (other region pos + interaction value)
                 //      Unused in GB
 
 // info for 'start' (lower genomic coords) region
 unsigned s;     // position of 'center', 0-based
 unsigned sw;    // width in bp
 int sOrient;    // strand
 char *sChrom;   // chrom
 
 // info for 'end' (higher genomic coords) region
 unsigned e;
 unsigned ew;
 int eOrient;
 char *eChrom;
 
 boolean hasColor; // Ensembl extension to Wash U format -- 
                  //        RGB color can be supplied instead of score
 unsigned rgb;   // RGB color for display
 double score;   // interaction numeric value; e.g. strength of interaction
 
 unsigned id;    // unique integer identifier of an item in a longTabix file (not interaction id)
                 // Required in Wash U spec. Unsed at UCSC, except for details page
 };
 
 void longRangeCfgUi(struct cart *cart, struct trackDb *tdb, char *name, char *title, boolean boxed);
 /* Complete track controls for long range interaction. */
 
 struct longRange *parseLongTabix(struct bed *beds, unsigned *maxWidth, double minScore);
 /* Parse longTabix format into longRange structures */
 
 struct asObject *longTabixAsObj();
 /* Return asObject describing fields of longTabix file. */
 
+int longRangeCmp(const void *va, const void *vb);
+/* Compare based on coord position of s field */
+
 #endif//def LONGRANGE_H