6a74b39270290c9a2718459dba60e6b2587c2e76
braney
  Fri May 6 18:22:31 2016 -0700
various changes to support and doc bigChain custom tracks

diff --git src/hg/lib/chainNetDbLoad.c src/hg/lib/chainNetDbLoad.c
index 2c4bb40..c527b17 100644
--- src/hg/lib/chainNetDbLoad.c
+++ src/hg/lib/chainNetDbLoad.c
@@ -261,31 +261,30 @@
 
 // Now load the links.
 bbi =  bigBedFileOpen(linkFileName);
 if (loadAll)
     {
     start = chain->tStart;
     end = chain->tEnd;
     }
 bbList =  bigBedIntervalQuery(bbi, chrom, start, end, 0, lm);
 bbiFileClose(&bbi);
 
 for (bb = bbList; bb != NULL; bb = bb->next)
     {
     bigBedIntervalToRow(bb, chrom, startBuf, endBuf, bedRow, ArraySize(bedRow));
     unsigned chainId = sqlUnsigned(bedRow[3]);
-    printf("chainId %d\n", chainId);
     if (chainId == id)
         {
         struct cBlock *cBlock;
 
         AllocVar(cBlock);
         slAddHead(&chain->blockList, cBlock);
         cBlock->tStart = sqlUnsigned(bedRow[1]);
         cBlock->tEnd = sqlUnsigned(bedRow[2]);
         unsigned size = cBlock->tEnd - cBlock->tStart;
         cBlock->qStart = sqlUnsigned(bedRow[4]);
         cBlock->qStart = cBlock->qStart + size;
         }
     }
 slReverse(&chain->blockList);