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picturenetwork.cpp
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picturenetwork.cpp
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/**********************************************************
picturenetwork.cpp - project network on z = 0 plane. TWS Dec. 07
Uses parameters from CountourParams.dat
Labels nodes with nodevar and segments with segvar (must be float).
Generates a postscript file.
Version 2.0, May 1, 2010. Added abbrevations of setlinewidth and stroke, May 09.
Added visualization of tissue points, April 2010.
Version 3.0, May 17, 2011. Plots in z-order, for better results with 3D networks.
***********************************************************/
#define _CRT_SECURE_NO_DEPRECATE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "nrutil.h"
void picturenetwork(float *nodvar, float *segvar, const char fname[])
{
extern int max,mxx,myy,mzz,nseg,nnod;
extern int *segtyp,*ista,*iend;
extern int ***nbou;//added April 2010
extern float *axt,*ayt;//added April 2010
extern float *diam,**cnode,*xsl0,*xsl1,*xsl2;;
int i,j,k,iseg,inod,showpoint,ilevel,nlevel = 100;
float xmin,xmax,ymin,ymax,xs,ys,picfac,red,green,blue,xz,xzmin,xzmax;
float diamfac = 1.,zcoord,zbottom,ztop,zmin,zmax;
float **cos;
FILE *ofp;
xmin = 0.;
xmax = sqrt(SQR(xsl1[1]-xsl0[1]) + SQR(xsl1[2]-xsl0[2]) + SQR(xsl1[3]-xsl0[3]));
ymin = 0.;
ymax = sqrt(SQR(xsl2[1]-xsl0[1]) + SQR(xsl2[2]-xsl0[2]) + SQR(xsl2[3]-xsl0[3]));
cos = matrix(1,3,1,3);
for(i=1; i<=3; i++){ //set up matrix of direction cosines
cos[1][i] = (xsl1[i]-xsl0[i])/xmax;
cos[2][i] = (xsl2[i]-xsl0[i])/ymax;
}
cos[3][1] = cos[1][2]*cos[2][3] - cos[1][3]*cos[2][2];
cos[3][2] = cos[1][3]*cos[2][1] - cos[1][1]*cos[2][3];
cos[3][3] = cos[1][1]*cos[2][2] - cos[1][2]*cos[2][1];
//Determine range of z values
zmin = 1.e6;
zmax = -1.e6;
for(iseg=1; iseg<=nseg; iseg++) if(segtyp[iseg] == 4 || segtyp[iseg] == 5){
zcoord = 0.;
for(i=1; i<=3; i++) zcoord += (cnode[i][ista[iseg]] + cnode[i][iend[iseg]])/2.*cos[3][i];
zmin = FMIN(zmin,zcoord-1.);
zmax = FMAX(zmax,zcoord+1.);
}
picfac = FMIN(500./xmax,700./ymax);//updated April 2010
ofp = fopen(fname, "w");
fprintf(ofp, "%%!PS-Adobe-2.0\n");
fprintf(ofp, "%%%%Pages: 1\n");
fprintf(ofp, "%%%%EndComments\n");
fprintf(ofp, "%%%%Page: 1 1\n");
fprintf(ofp, "/mx {%g mul 50 add} def\n",picfac);
fprintf(ofp, "/my {%g mul 50 add} def\n",picfac);//updated April 2010
fprintf(ofp, "/cf {closepath fill} def\n");
fprintf(ofp, "/cs {closepath stroke} def\n");
fprintf(ofp, "/m {moveto} def\n");
fprintf(ofp, "/n {newpath} def\n");
fprintf(ofp, "/l {lineto} def\n");
fprintf(ofp, "/sl {setlinewidth} def\n");
fprintf(ofp, "/sc {setrgbcolor} def\n");
fprintf(ofp, "/s {stroke} def\n");
fprintf(ofp, "/Times-Roman findfont\n");
fprintf(ofp, "8 scalefont\n");
fprintf(ofp, "setfont\n");
fprintf(ofp, "newpath\n");
fprintf(ofp, "%g mx %g my m\n",xmin,ymin);
fprintf(ofp, "%g mx %g my l\n",xmax,ymin);
fprintf(ofp, "%g mx %g my l\n",xmax,ymax);
fprintf(ofp, "%g mx %g my l\n",xmin,ymax);
fprintf(ofp, "closepath\n");
fprintf(ofp, "stroke\n");
//show tissue points
fprintf(ofp,"0 0 0 setrgbcolor\n");//black
for(i=1; i<=mxx; i++) for(j=1; j<=myy; j++){
showpoint = 0;
for(k=1; k<=mzz; k++) if(nbou[i][j][k] > 0) showpoint = 1;
if(showpoint == 1) fprintf(ofp, "%g mx %g my m (.) show\n", axt[i],ayt[j]);
}
fprintf(ofp, "/Times-Roman findfont\n");
fprintf(ofp, "12 scalefont\n");
fprintf(ofp, "setfont\n");
//plot vessels according to segvar in order from bottom to top according to z-coordinate
xzmin = 1.e6;
xzmax = -1.e6;
for(iseg=1; iseg<=nseg; iseg++) if(segtyp[iseg] == 4 || segtyp[iseg] == 5){
xzmin = FMIN(xzmin,segvar[iseg]);
xzmax = FMAX(xzmax,segvar[iseg]);
}
for(ilevel=1; ilevel<=nlevel; ilevel++){
zbottom = zmin + (ilevel-1)*(zmax - zmin)/nlevel;
ztop = zmin + ilevel*(zmax - zmin)/nlevel;
for(iseg=1; iseg<=nseg; iseg++) if(segtyp[iseg] == 4 || segtyp[iseg] == 5){
zcoord = 0.;
for(i=1; i<=3; i++) zcoord += (cnode[i][ista[iseg]] + cnode[i][iend[iseg]])/2.*cos[3][i];
if(zcoord >= zbottom && zcoord < ztop){
if(xzmin != xzmax) xz = (segvar[iseg] - xzmin)/(xzmax - xzmin);
else xz = 0.75;
blue = FMIN(FMAX(1.5-4.*fabs(xz-0.25), 0.), 1.);//Set up colors using Matlab 'jet' scheme
green= FMIN(FMAX(1.5-4.*fabs(xz-0.5), 0.), 1.);
red = FMIN(FMAX(1.5-4.*fabs(xz-0.75), 0.), 1.);
fprintf(ofp,"%f %f %f sc\n",red,green,blue);
fprintf(ofp,"%g sl\n",picfac*diam[iseg]*diamfac);//line widths scaled up by diamfac
xs = 0.;
ys = 0.;
for(i=1; i<=3; i++){
xs += (cnode[i][ista[iseg]]-xsl0[i])*cos[1][i];
ys += (cnode[i][ista[iseg]]-xsl0[i])*cos[2][i];
}
fprintf(ofp, "%g mx %g my m ", xs,ys);
xs = 0.;
ys = 0.;
for(i=1; i<=3; i++){
xs += (cnode[i][iend[iseg]]-xsl0[i])*cos[1][i];
ys += (cnode[i][iend[iseg]]-xsl0[i])*cos[2][i];
}
fprintf(ofp, "%g mx %g my l s \n", xs,ys);
}
}
}
//label nodes in black
fprintf(ofp,"0 0 0 setrgbcolor\n");//black
for(inod=1; inod<=nnod; inod++){
xs = 0.;
ys = 0.;
for(i=1; i<=3; i++){
xs += (cnode[i][inod]-xsl0[i])*cos[1][i];
ys += (cnode[i][inod]-xsl0[i])*cos[2][i];
}
//comment out next two lines to remove node numbers
fprintf(ofp, "%g mx %g my m ", xs + 0.5/picfac,ys);
fprintf(ofp, "(%g) show\n",nodvar[inod]);
}
//label segments in blue
fprintf(ofp,"0 0 1 setrgbcolor\n");//blue
for(iseg=1; iseg<=nseg; iseg++) if(segtyp[iseg] == 4 || segtyp[iseg] == 5){
xs = 0.;
ys = 0.;
for(i=1; i<=3; i++){
xs += ((cnode[i][ista[iseg]]+cnode[i][iend[iseg]])/2.-xsl0[i])*cos[1][i];
ys += ((cnode[i][ista[iseg]]+cnode[i][iend[iseg]])/2.-xsl0[i])*cos[2][i];
}
//comment out next two lines to remove segment numbers
fprintf(ofp, "%g mx %g my m ", xs + 0.5*picfac,ys);
fprintf(ofp, "(%g) show\n",segvar[iseg]);
}
//create a color bar
float c;
float cbbox = 15.; //size of boxes
float cbx = 560; //origin of color bar
float cby = 100;//origin of color bar
fprintf(ofp, "0.5 setlinewidth\n");
fprintf(ofp, "/Times-Roman findfont\n");
fprintf(ofp, "8 scalefont\n");
fprintf(ofp, "setfont\n");
for(k=0; k<=10; k++){
xz = k*0.1;
c = xzmin + (xzmax - xzmin)*xz;
blue = FMIN(FMAX(1.5-4.*fabs(xz-0.25), 0.), 1.);//Set up colors using Matlab 'jet' scheme
green= FMIN(FMAX(1.5-4.*fabs(xz-0.5), 0.), 1.);
red = FMIN(FMAX(1.5-4.*fabs(xz-0.75), 0.), 1.);
fprintf(ofp, "%f %f %f setrgbcolor\n",red,green,blue);
fprintf(ofp, "n %g %g m %g %g l %g %g l %g %g l cf\n",
cbx,cby+k*cbbox,cbx+cbbox,cby+k*cbbox,cbx+cbbox,cby+(k+1)*cbbox,cbx,cby+(k+1)*cbbox);
if(k>0) fprintf(ofp, "%g %f m 0 0 0 setrgbcolor (%g) show\n",cbx+cbbox*1.1,cby+cbbox*(k-0.1),c);
}
fprintf(ofp, "n %g %g m %g %g l %g %g l %g %g l cs\n",
cbx,cby,cbx+cbbox,cby,cbx+cbbox,cby+cbbox*11,cbx,cby+cbbox*11);
fprintf(ofp, "showpage\n");
fclose(ofp);
free_matrix(cos,1,3,1,3);
}