e685265dd1b666acaab2bc076c141c368fb4be66
hiram
  Thu Oct 15 11:36:17 2015 -0700
fixup gcc warnings for -Wunused-but-set-variable refs #16121

diff --git src/hg/hgTracks/loweLabTracks.c src/hg/hgTracks/loweLabTracks.c
index ee9f4c2..30e0769 100644
--- src/hg/hgTracks/loweLabTracks.c
+++ src/hg/hgTracks/loweLabTracks.c
@@ -1,711 +1,709 @@
 /* Lowe lab tracks */
 
 /* Copyright (C) 2014 The Regents of the University of California 
  * See README in this or parent directory for licensing information. */
 
 #include "common.h"
 #include "hash.h"
 #include "localmem.h"
 #include "linefile.h"
 #include "jksql.h"
 #include "hdb.h"
 #include "bed.h"
 #include "psl.h"
 #include "codeBlast.h"
 #include "cogs.h"
 #include "rnaGenes.h"
 #include "hgTracks.h"
 #include "expRatioTracks.h"
 #include "loweLabTracks.h"
 #include "rnaHybridization.h"
 
 /* Declare our color gradients and the the number of colors in them */
 #define LL_EXPR_DATA_SHADES 16
 Color LLshadesOfGreen[LL_EXPR_DATA_SHADES];
 Color LLshadesOfRed[LL_EXPR_DATA_SHADES];
 boolean LLexprBedColorsMade = FALSE; /* Have the shades of Green, Red, and Blue been allocated? */
 int LLmaxRGBShade = LL_EXPR_DATA_SHADES - 1;
 
 #define LL_COG_SHADES 26
 Color LLshadesOfCOGS[LL_COG_SHADES];
 /**** Lowe lab additions ***/
 
 
 /* RNA Hybridization additions */
 #define RNA_HYBRIDIZATION_SHADES 20
 Color rnaHybShadesPos[RNA_HYBRIDIZATION_SHADES];
 Color rnaHybShadesNeg[RNA_HYBRIDIZATION_SHADES];
 int rnaHybShadesInitialized = 0;
 
 void rnaHybShadesInit(struct hvGfx *hvg) 
 /* Allocate the LD for positive and negative values, and error cases */
 {
 static struct rgbColor white  = {255, 255, 255};
 static struct rgbColor red   =  {255,   0,   0};
 static struct rgbColor blue  =  {  0,   0, 255};
 
 
 hvGfxMakeColorGradient(hvg, &white, &blue,  RNA_HYBRIDIZATION_SHADES, rnaHybShadesPos);
 hvGfxMakeColorGradient(hvg, &white, &red,   RNA_HYBRIDIZATION_SHADES, rnaHybShadesNeg);
 
  rnaHybShadesInitialized = 1;
 }
 
 
 
 void initializeColors(struct hvGfx *hvg)
 {
 LLshadesOfCOGS['J'-'A']=hvGfxFindColorIx(hvg, 252, 204,252);
 LLshadesOfCOGS['A'-'A']=hvGfxFindColorIx(hvg, 252, 220,252);
 LLshadesOfCOGS['K'-'A']=hvGfxFindColorIx(hvg, 252, 220,236);
 LLshadesOfCOGS['L'-'A']=hvGfxFindColorIx(hvg, 252, 220,220);
 LLshadesOfCOGS['B'-'A']=hvGfxFindColorIx(hvg, 252, 220,204);
 LLshadesOfCOGS['D'-'A']=hvGfxFindColorIx(hvg, 252, 252,220);
 LLshadesOfCOGS['Y'-'A']=hvGfxFindColorIx(hvg, 252, 252,204);
 LLshadesOfCOGS['V'-'A']=hvGfxFindColorIx(hvg, 252, 252,188);
 LLshadesOfCOGS['T'-'A']=hvGfxFindColorIx(hvg, 252, 252,172);
 LLshadesOfCOGS['M'-'A']=hvGfxFindColorIx(hvg, 236, 252,172);
 LLshadesOfCOGS['N'-'A']=hvGfxFindColorIx(hvg, 220, 252,172);
 LLshadesOfCOGS['Z'-'A']=hvGfxFindColorIx(hvg, 204, 252,172);
 LLshadesOfCOGS['W'-'A']=hvGfxFindColorIx(hvg, 188, 252,172);
 LLshadesOfCOGS['U'-'A']=hvGfxFindColorIx(hvg, 172, 252,172);
 LLshadesOfCOGS['O'-'A']=hvGfxFindColorIx(hvg, 156, 252,172);
 LLshadesOfCOGS['C'-'A']=hvGfxFindColorIx(hvg, 188, 252,252);  /* light blue  133, 233,204);  */
 LLshadesOfCOGS['G'-'A']=hvGfxFindColorIx(hvg, 204, 252,252);
 LLshadesOfCOGS['E'-'A']=hvGfxFindColorIx(hvg, 220, 252,252);
 LLshadesOfCOGS['F'-'A']=hvGfxFindColorIx(hvg, 220, 236,252);
 LLshadesOfCOGS['H'-'A']=hvGfxFindColorIx(hvg, 220, 220,252);
 LLshadesOfCOGS['I'-'A']=hvGfxFindColorIx(hvg, 220, 204,252);
 LLshadesOfCOGS['P'-'A']=hvGfxFindColorIx(hvg, 204, 204,252);
 LLshadesOfCOGS['Q'-'A']=hvGfxFindColorIx(hvg, 188, 204,252);
 LLshadesOfCOGS['R'-'A']=hvGfxFindColorIx(hvg, 224, 224,224); /* general function prediction */
 LLshadesOfCOGS['S'-'A']=hvGfxFindColorIx(hvg, 204, 204,204);
 LLshadesOfCOGS['+'+'-'-'A']=hvGfxFindColorIx(hvg, 224, 224,224);/* no cog - same as R (general function prediction) */
 }
 
 void loadBed6(struct track *tg)
 /* Load the items in one custom track - just move beds in
  * window... */
 {
 struct bed *bed, *list = NULL;
 struct sqlConnection *conn = hAllocConn(database);
 struct sqlResult *sr;
 char **row;
 int rowOffset;
 
 sr = hRangeQuery(conn, tg->table, chromName, winStart, winEnd, NULL, &rowOffset);
 while ((row = sqlNextRow(sr)) != NULL)
     {
     bed = bedLoadN(row+rowOffset, 6);
     slAddHead(&list, bed);
     }
 sqlFreeResult(&sr);
 hFreeConn(&conn);
 slReverse(&list);
 tg->items = list;
 }
 
 Color gbGeneColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* Return color to draw gene in. */
 {
 struct sqlConnection *conn = hAllocConn(database);
 struct sqlResult *sr;
 char query[512];
 struct bed *bed = item;
 struct COG *COG=NULL;
 char *temparray[160];
 char **row;
 
 if(hTableExists(database, "COG"))
     {
     sqlSafef(query, sizeof query, "select * from COG where name = '%s'", bed->name);
     sr = sqlGetResult(conn, query);
     if ((row = sqlNextRow(sr)) != NULL)
    	    COG = COGLoad(row);
     sqlFreeResult(&sr);
     hFreeConn(&conn);
     initializeColors(hvg);
     if(COG!=NULL)
 	{
         chopString(COG->code, "," , temparray, 9999);
 	if (temparray[0][0] == '-')
 	  return LLshadesOfCOGS[('+'+temparray[0][0]-'A')];
 	else
 	  return LLshadesOfCOGS[(temparray[0][0]-'A')];
 	}
     else
         return blackIndex();
     }
 else
     {
     hFreeConn(&conn);
     return blackIndex();
     }
 slFreeList(&bed);
 }
 
 void gbGeneMethods(struct track *tg)
 /* Track group for genbank gene tracks */
 {
 tg->loadItems = loadBed6;
 tg->itemColor = gbGeneColor;
 }
 
 Color gpGeneColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* Return color to draw gene (genePred) in. */
 {
 struct sqlConnection *conn = hAllocConn(database);
 struct sqlResult *sr;
 char query[512];
 struct linkedFeatures *lf = item;
 struct COG *COG=NULL;
 char *temparray[160];
 char **row;
 if (lf == NULL)
     return shadesOfGray[9];
 if (lf->name == NULL)
     return shadesOfGray[9];
 if(hTableExists(database, "COG"))
     {
     sqlSafef(query, sizeof query,"select * from COG where name = '%s'", lf->name);
     sr = sqlGetResult(conn, query);
     if ((row = sqlNextRow(sr)) != NULL)
 	COG = COGLoad(row);
     sqlFreeResult(&sr);
     hFreeConn(&conn);
     initializeColors(hvg);
     if(COG!=NULL)
 	{
 	chopString(COG->code, "," , temparray, 9999);
 	if (temparray[0][0] == '-')
 	  return LLshadesOfCOGS[('+'+temparray[0][0]-'A')];
 	else
 	  return LLshadesOfCOGS[(temparray[0][0]-'A')];
 	}
     else
 	return shadesOfGray[9];
     }
 else
     {
     hFreeConn(&conn);
     return shadesOfGray[9];
     }
 slFreeList(&lf);
 }
 
 Color gpGeneNameColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* draw name for the linked feature in blue. */
 {
 tg->ixAltColor = 1;
 return MG_BLACK;
 }
 
 void archaeaGeneMethods(struct track *tg)
 /* Track group for genbank gene tracks */
 {
 tg->itemColor = gpGeneColor;
 tg->itemNameColor = gpGeneNameColor;
 tg->loadItems = loadGenePred;
 }
 
 Color sargassoSeaGeneColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* Return color to draw gene in. */
 {
 struct bed *lf=item;
 if (lf->score > 990)
     return shadesOfGray[10];
 else if (lf->score > 850)
     return shadesOfGray[9];
 else if (lf->score > 700)
     return shadesOfGray[8];
 else if (lf->score > 550)
     return shadesOfGray[7];
 else if (lf->score > 450)
     return shadesOfGray[6];
 else if (lf->score > 300)
     return shadesOfGray[5];
 else if (lf->score > 200)
     return shadesOfGray[4];
 else if (lf->score > 100)
     return shadesOfGray[3];
 else return shadesOfGray[2];
 }
 
 void sargassoSeaMethods(struct track *tg)
 /* Track group for genbank gene tracks */
 {
 tg->loadItems = loadBed6;
 tg->itemColor = sargassoSeaGeneColor;
 }
 
 Color tigrGeneColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* Return color to draw gene in. */
 {
 struct bed *bed = item;
 if (bed->strand[0] == '+')
     return tg->ixColor;
 return tg->ixAltColor;
 }
 
 void tigrGeneMethods(struct track *tg)
 /* Track group for genbank gene tracks */
 {
 tg->loadItems = loadBed6;
 tg->itemColor = tigrGeneColor;
 }
 
 char *llBlastPName(struct track *tg, void *item)
 {
 struct bed *bed = item;
 char *itemName = cloneString(bed->name);
 static char buf[256];
 char *nameParts[2];
 chopByChar(itemName,'|',nameParts,ArraySize(nameParts));
 sprintf(buf, "%s", nameParts[0]);
 chopByChar(buf,'$',nameParts,ArraySize(nameParts));
 sprintf(buf,"%s",nameParts[1]);
 freeMem(itemName);
 return buf;
 }
 
 void llBlastPMethods(struct track *tg)
 {
 tg->itemName = llBlastPName;
 }
 
 struct linkedFeatures *lfsToLf(struct linkedFeaturesSeries *lfs)
 /* convert a linked feature into a linked feature series */
 {
 struct linkedFeatures *lf = NULL;
 struct simpleFeature *sf = NULL;
 AllocVar(lf);
 lf->name = cloneString(lfs->name);
 lf->start = lfs->start;
 lf->end = lfs->end;
 lf->tallStart = lfs->start;
 lf->tallEnd = lfs->end;
 lf->grayIx = lfs->grayIx;
 lf->orientation = lfs->orientation;
 lf->extra = cloneString(lfs->features->extra);
 AllocVar(sf);
 sf->start = lfs->start;
 sf->end = lfs->end;
 sf->grayIx = lfs->grayIx;
 lf->components = sf;
 return lf;
 }
 
 struct linkedFeatures *lfFromBed6(struct codeBlast *bed, int scoreMin, 
 				  int scoreMax)
 /* Return a linked feature from a (full) bed. */
 {
 struct linkedFeatures *lf;
 struct simpleFeature *sf;
 int grayIx = grayInRange(bed->score, scoreMin, scoreMax);
 AllocVar(lf);
 lf->grayIx = grayIx;
 lf->name = cloneString(bed->name);
 lf->orientation = orientFromChar(bed->strand[0]);
 AllocVar(sf);
 sf->start = bed->chromStart;
 sf->end = bed->chromEnd;
 sf->grayIx = grayIx;
 lf->components = sf;
 linkedFeaturesBoundsAndGrays(lf);
 lf->tallStart = bed->chromStart;
 lf->tallEnd = bed->chromEnd;
 return lf;
 }
 
 void loadCodeBlast(struct track *tg)
 /* from the bed 6+1 codeBlast table, make a linkedFeaturesSeries and load it.  */
 {
 struct linkedFeaturesSeries *lfs = NULL, *originalLfs, *codeLfs, *lfsList = NULL;
 struct linkedFeatures *lf;
 struct slName *codes = NULL, *track=NULL, *scores=NULL;
-struct codeBlast *bedList;
 struct codeBlast *cb, *list=NULL;
 struct sqlConnection *conn = hAllocConn(database);
 struct sqlResult *sr;
 
 char **temparray3;
 char *temparray[32];
 char *temparray2;
 char **row;
 char *tempstring;
 int x;
 int cutoff;
 char cMode[64];
 
 /*The most common names used to display method*/
 char *codeNames[18] = {"within genus", "\t", "crenarchaea", "euryarchaea", "\t", "bacteria", 
 		       "\t", "eukarya", "\t", "thermophile", "hyperthermophile","acidophile",
 		       "alkaliphile", "halophile", "methanogen", "strict aerobe",
 		       "strict anaerobe", "anaerobe or aerobe"}; int i;
 safef(cMode, sizeof(cMode), "%s.scoreFilter", tg->tdb->track);
 cutoff=cartUsualInt(cart, cMode,0 );
 sr=hRangeQuery(conn, tg->table, chromName, winStart, winEnd, NULL, 0);
 
 while ((row = sqlNextRow(sr)) != NULL)
     {
     cb = codeBlastLoad(row);
     slAddHead(&list, cb);
     }
 sqlFreeResult(&sr);
 hFreeConn(&conn);
 slReverse(&list);
 if(list == NULL)
     return;
 for(cb = list; cb != NULL; cb = cb->next)
     {
     AllocVar(lfs);
     AllocVar(lf);
     lfs->name = cloneString(cb->name);
     lf = lfFromBed6(cb,0,1000);
     lf->score = cb->score;
     tempstring=cloneString(cb->code);
     
     chopString(tempstring, "," , temparray, ArraySize(temparray));
     if(sameWord(database, "pyrFur2"))
 	{
 	temparray3=(char**)calloc(19*8,sizeof(char**));
 	for(x=0; x<19; x++)
 	    {
 	    temparray3[x]=(char *)calloc(256, sizeof(char*));
 	    /* Fix to cloneString problem when both patricia and my track was showing at the same time */
 	    if(temparray[x]!=NULL)
 		{
 		if(atoi(temparray[x])==1000)
 		    temparray3[x]="1000";
 		else if(atoi(temparray[x])==900)
 		    temparray3[x]="900";
 		else if(atoi(temparray[x])==800)
 		    temparray3[x]="800";
 		else if(atoi(temparray[x])==700)
 		    temparray3[x]="700";
 		else if(atoi(temparray[x])==600)
 		    temparray3[x]="600";
 		else if(atoi(temparray[x])==500)
 		    temparray3[x]="500";
 		else if(atoi(temparray[x])==400)
 		    temparray3[x]="400";
 		else if(atoi(temparray[x])==300)
 		    temparray3[x]="300";
 		else if(atoi(temparray[x])==200)
 		    temparray3[x]="200";
 		else if(atoi(temparray[x])==100)
 		    temparray3[x]="100";
 		else
 		    temparray3[x]="0";
 		}
 	    }
 	}
     else
 	{
 	temparray3=(char**)calloc(18*8,sizeof(char**));
 	for(x=0; x<18; x++)
 	    {
 	    temparray3[x]=(char *)calloc(256, sizeof(char*));
 	    /* Fix to cloneString problem when both patricia and my track was showing at the same time */
 	    if(temparray[x]!=NULL)
 		{
 		if(atoi(temparray[x])==1000)
 		    temparray3[x]="1000";
 		else if(atoi(temparray[x])==900)
 		    temparray3[x]="900";
 		else if(atoi(temparray[x])==800)
 		    temparray3[x]="800";
 		else if(atoi(temparray[x])==700)
 		    temparray3[x]="700";
 		else if(atoi(temparray[x])==600)
 		    temparray3[x]="600";
 		else if(atoi(temparray[x])==500)
 		    temparray3[x]="500";
 		else if(atoi(temparray[x])==400)
 		    temparray3[x]="400";
 		else if(atoi(temparray[x])==300)
 		    temparray3[x]="300";
 		else if(atoi(temparray[x])==200)
 		    temparray3[x]="200";
 		else if(atoi(temparray[x])==100)
 		    temparray3[x]="100";
 		else
 		    temparray3[x]="0";
 		}
 	    }
 	}
     lf->extra = temparray3;
     lfs->start = lf->start;
     lfs->end = lf->end;
     lfs->features= lf;  
     slAddHead(&lfsList, lfs);
     }
 
 tg->items=lfsList;
-bedList=tg->items;
 lfsList=NULL;
 
 if(tg->limitedVis != tvDense)
     {
     originalLfs = tg->items;
     if(sameWord(database, "pyrFur2"))
 	{
 	for (i = 0; i < 19; i++)
             {
 	    struct linkedFeatures *lfList = NULL;
 	    AllocVar(codeLfs);
 	    /*When doing abyssi displays differnt names at the begining*/
 	    if(i == 0)
 		codeLfs->name="within Pho";
 	    else if (i==1)
 		codeLfs->name="within Pab";
 	    else if (i==2)
 		codeLfs->name="\t";
 	    else
 		codeLfs->name = cloneString(codeNames[i-1]);
 	    codeLfs->noLine = TRUE;
 	    for (lfs = originalLfs; lfs != NULL; lfs = lfs->next)
             	{
 		lf = lfsToLf(lfs);
 		if(i>2)
             	    temparray2=((char**)(lfs->features->extra))[i-0];
 		else temparray2=((char**)(lfs->features->extra))[i];
 		if (i!=2 && i!=5 && i!=7 && i!=9 && atoi(temparray2)>-9997 && atoi(temparray2)!=0 && atoi(temparray2)>=cutoff)
                     {
 		    lf->score=atoi(temparray2);
 		    slAddHead(&lfList,lf);
 		    }
                 }
 	    slReverse(&lfList);
 	    codeLfs->features = lfList;   
 	    slAddHead(&lfsList,codeLfs);
             }
 	}
     else
 	{   
 	for (i = 0; i < 18; i++)
             {
 	    struct linkedFeatures *lfList = NULL;
 	    AllocVar(codeLfs);
 	    codeLfs->name = cloneString(codeNames[i]);
 	    codeLfs->noLine = TRUE;
 	    for (lfs = originalLfs; lfs != NULL; lfs = lfs->next)
                 {
 		lf = lfsToLf(lfs);
 		temparray2=((char**)(lfs->features->extra))[i];
 		if (i!=1 && i!=4 && i!=6 && i!=8 && atoi(temparray2)>-9997 && atoi(temparray2)!=0 && atoi(temparray2)>=cutoff)
         	    {
 		    lf->score=atoi(temparray2);
 		    slAddHead(&lfList,lf);
 	      	    }
                 }
 	    slReverse(&lfList);
 	    codeLfs->features = lfList;   
 	    slAddHead(&lfsList,codeLfs);
             }
 	}
     freeLinkedFeaturesSeries(&originalLfs);
     slReverse(&lfsList);
     tg->items=lfsList;
     }
 slFreeList(&track);
 slFreeList(&scores);
 slFreeList(&codes);
 codeBlastFree(&list);
 }
 
 Color cbGeneColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* Return color to draw gene in. */
 {
 struct linkedFeatures *lf=item;
 if (lf->score > 990)
     return shadesOfGray[9];
 else if (lf->score > 850)
     return shadesOfGray[8];
 else if (lf->score > 700)
     return shadesOfGray[7];
 else if (lf->score > 550)
     return shadesOfGray[6];
 else if (lf->score > 450)
     return shadesOfGray[5];
 else if (lf->score > 300)
     return shadesOfGray[4];
 else if (lf->score > 200)
     return shadesOfGray[3];
 else if (lf->score > 100)
     return shadesOfGray[3];
 else if (lf->score != 0) 
     return shadesOfGray[2];
 else 
     return shadesOfGray[0];
 }
 
 void codeBlastMethods(struct track *tg)
 {
 linkedFeaturesSeriesMethods(tg);
 tg->loadItems = loadCodeBlast;
 tg->mapItem = lfsMapItemName;
 tg->itemColor=cbGeneColor;
 tg->mapsSelf = TRUE;
 }
 
 Color rgGeneColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* Return color to draw gene in. */
 {
 struct rnaGenes *lf=item;
 makeRedGreenShades(hvg);
 if (lf->score ==100) 
     return shadesOfGreen[15];
 if (lf->score == 300) 
     return shadesOfRed[15];
 if (lf->score == 200)
     return shadesOfBlue[15];
 else 
     return shadesOfGray[9];
 }
 
 void rnaGenesMethods(struct track *tg)
 {
 tg->itemColor=rgGeneColor;
 }
 
 void loadOperon(struct track *tg)
 /* Load the items in one custom track - just move beds in
  * window... */
 {
 struct linkedFeatures *lfList = NULL, *lf;
 struct bed *bed, *list = NULL;
 struct sqlConnection *conn = hAllocConn(database);
 struct sqlResult *sr;
 char **row;
 int rowOffset;
 
 sr = hRangeQuery(conn, tg->table, chromName, winStart, winEnd, NULL, &rowOffset);
 while ((row = sqlNextRow(sr)) != NULL)
     {
     bed = bedLoadN(row+rowOffset, 15);
     slAddHead(&list, bed);
     }
 sqlFreeResult(&sr);
 hFreeConn(&conn);
 slReverse(&list);
 
 for (bed = list; bed != NULL; bed = bed->next)
     {
     struct simpleFeature *sf;
     int i;
     lf = lfFromBed(bed);
     sf = lf->components;  
     for (i = 0; i < bed->expCount; i++) 
         {
 	if (sf == NULL)
 	    break;
         sf->grayIx = grayInRange((int)(bed->expScores[i]),0,1000);
         sf = sf->next;
         }
     slAddHead(&lfList,lf);
     }
 tg->items = lfList;
 }
 
 void tigrOperonDrawAt(struct track *tg, void *item,
 		      struct hvGfx *hvg, int xOff, int y, double scale, 
 		      MgFont *font, Color color, enum trackVisibility vis)
 /* Draw the operon at position. */
 {
 struct linkedFeatures *lf = item; 
 struct simpleFeature *sf;
 int heightPer = tg->heightPer;
 int x1,x2;
 int s, e;
 Color *shades = tg->colorShades;
 int midY = y + (heightPer>>1);
 int w;
 
 color = tg->ixColor;
 x1 = round((double)((int)lf->start-winStart)*scale) + xOff;
 x2 = round((double)((int)lf->end-winStart)*scale) + xOff;
 w = x2-x1;
 innerLine(hvg, x1, midY, w, color);
 if (vis == tvFull || vis == tvPack)
     clippedBarbs(hvg, x1, midY, w, 2, 5, lf->orientation, color, FALSE);
 for (sf = lf->components; sf != NULL; sf = sf->next)
     {
     s = sf->start; e = sf->end;
     /* shade ORF (exon) based on the grayIx value of the sf */
     color = shades[sf->grayIx];
     drawScaledBox(hvg, s, e, scale, xOff, y, heightPer, color );
     }
 }
 
 void tigrOperonMethods(struct track *tg)
 {
 linkedFeaturesMethods(tg);
 tg->loadItems = loadOperon;
 tg->colorShades = shadesOfGray;
 tg->drawItemAt = tigrOperonDrawAt;
 }
 
 void loadRNAHybridization(struct track *tg)
 /* Load the items in one custom track - just move beds in
  * window... */
 {
 struct rnaHybridization *rnaHyb, *list = NULL;
 struct sqlConnection *conn = hAllocConn(database);
 struct sqlResult *sr;
 char **row;
 int rowOffset;
 
 int minlengthSetting = cartUsualInt(cart, "rnaHybridization.minlength", 20);
 int maxlengthSetting = cartUsualInt(cart, "rnaHybridization.maxlength", 20);
 double gcSetting = (double)cartUsualInt(cart, "rnaHybridization.gc", 50) / 100;
 int hideTrnaSetting = cartUsualBoolean(cart, "rnaHybridization.hideTrna", FALSE);
 int showKnownTargetsSetting = cartUsualBoolean(cart, "rnaHybridization.showKnownTargets", TRUE);
 
 sr = hRangeQuery(conn, tg->table, chromName, winStart, winEnd, NULL, &rowOffset);
 while ((row = sqlNextRow(sr)) != NULL)
     {
     rnaHyb = rnaHybridizationLoad(row);
     
     if(rnaHyb->matchLength >= minlengthSetting
     && rnaHyb->matchLength <= maxlengthSetting
     && rnaHyb->gcContent >= gcSetting
     && !(hideTrnaSetting && strlen(rnaHyb->trnaTarget) > 0)
     && !(showKnownTargetsSetting && !rnaHyb->targetAnnotation))
       slAddHead(&list, rnaHyb);
     }
 sqlFreeResult(&sr);
 hFreeConn(&conn);
 slReverse(&list);
 tg->items = list;
 }
 
 
 Color rnaHybColor(struct track *tg, void *item, struct hvGfx *hvg)
 /* Return color to draw gene in. */
 {
 struct rnaHybridization *rh=item;
 int cindex = (int)(rh->gcContent * (float)(RNA_HYBRIDIZATION_SHADES - 1));
 
 if(!rnaHybShadesInitialized)
   rnaHybShadesInit(hvg);  
 
 if(rh->targetAnnotation)
 {
    return rnaHybShadesPos[cindex];   
 }
 else
 {
   return rnaHybShadesNeg[cindex];
 }
 
 }
 
 void rnaHybridizationMethods(struct track *tg)
 {
   tg->loadItems = loadRNAHybridization;
   tg->itemColor = rnaHybColor;
 }
 
 /**** End of Lowe lab additions ****/