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#include "rtprocess.h" |
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#ifndef NSAMPLES |
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#define NSAMPLES 100000 /* number of samples to use */ |
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#define NSAMPLES 80000 /* number of samples to use */ |
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#endif |
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char *progname; /* global argv[0] */ |
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char temp_octree[128]; /* temporary octree */ |
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char temp_octree[128]; /* temporary octree */ |
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const char UVF_PNAME[] = |
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"ZoneProperty:UserViewFactor:bySurfaceName"; |
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const char ADD_HEADER[] = |
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"!+++ User View Factors computed by Radiance +++!\n"; |
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"\n!+++ User View Factors computed by Radiance +++!\n\n"; |
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#define NAME_FLD 1 /* name field always first? */ |
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const SURF_PTYPE surf_type[] = { |
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{"BuildingSurface:Detailed", 4, 10}, |
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{"Floor:Detailed", 3, 9}, |
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{"RoofCeiling:Detailed", 3, 9}, |
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{"Wall:Detailed", 3, 9}, |
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{NULL} |
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}; |
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static int |
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start_rcontrib(SUBPROC *pd, ZONE *zp) |
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{ |
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#define BASE_AC 3 |
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#define BASE_AC 5 |
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static char *base_av[BASE_AC] = { |
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"rcontrib", "-ff", "-h" |
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"rcontrib", "-ff", "-h", "-x", "1" |
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}; |
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char cbuf[300]; |
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char **av; |
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vl3 = (FVECT *)malloc(sizeof(FVECT)*nv); |
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if (vl3 == NULL) |
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return(NULL); |
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for (i = 0; i < nv; i++) |
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for (i = nv; i--; ) /* reverse vertex ordering */ |
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for (j = 0; j < 3; j++) { |
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if (fptr == NULL) { |
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fputs(progname, stderr); |
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fputs(": bad vertex in init_poly()\n", stderr); |
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fputs(": missing vertex in init_poly()\n", stderr); |
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return(NULL); |
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} |
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vl3[i][j] = atof(fptr->val); |
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fptr = fptr->next; |
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} |
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/* compute area and normal */ |
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ps->sdir[2][0] = ps->sdir[2][1] = ps->sdir[2][2] = 0; |
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normalize(ps->sdir[0]); |
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fcross(ps->sdir[1], ps->sdir[2], ps->sdir[0]); |
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/* compute plane offset */ |
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ps->poff = DOT(vl3[0], ps->sdir[2]) + FTINY; |
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ps->poff = DOT(vl3[0], ps->sdir[2]); |
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/* assign 2-D vertices */ |
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for (i = 0; i < nv; i++) { |
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vl2->v[i].mX = DOT(vl3[i], ps->sdir[0]); |
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for (i = 3; i--; ) { |
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orig[i] = vl2->v[a].mX*ps->sdir[0][i] + |
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vl2->v[a].mY*ps->sdir[1][i] + |
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ps->poff*ps->sdir[2][i]; |
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(ps->poff+.001)*ps->sdir[2][i]; |
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ab[i] = (vl2->v[b].mX - vl2->v[a].mX)*ps->sdir[0][i] + |
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(vl2->v[b].mY - vl2->v[a].mY)*ps->sdir[1][i]; |
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ac[i] = (vl2->v[c].mX - vl2->v[a].mX)*ps->sdir[0][i] + |
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return(0); |
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for (i = ns; i--; ) { /* stratified Monte Carlo sampling */ |
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double sv[4]; |
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FVECT dv; |
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multisamp(sv, 4, (i+frandom())/(double)ns); |
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sv[0] *= sv[1] = sqrt(sv[1]); |
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sv[1] = 1. - sv[1]; |
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for (j = 3; j--; ) |
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samp[ns*6 + j] = orig[j] + sv[0]*ab[j] + sv[1]*ac[j]; |
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sv[3] = sqrt(sv[3]); |
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sv[4] *= 2.*PI; |
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samp[ns*6 + 3] = tcos(sv[4]) * sv[3]; |
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samp[ns*6 + 4] = tsin(sv[4]) * sv[3]; |
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samp[ns*6 + 5] = sqrt(1. - sv[3]*sv[3]); |
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samp[i*6 + j] = orig[j] + sv[0]*ab[j] + sv[1]*ac[j]; |
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sv[2] = sqrt(sv[2]); |
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sv[3] *= 2.*PI; |
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dv[0] = tcos(sv[3]) * sv[2]; |
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dv[1] = tsin(sv[3]) * sv[2]; |
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dv[2] = sqrt(1. - sv[2]*sv[2]); |
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for (j = 3; j--; ) |
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samp[i*6 + 3 + j] = dv[0]*ps->sdir[0][j] + |
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dv[1]*ps->sdir[1][j] + |
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dv[2]*ps->sdir[2][j] ; |
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} |
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/* send to our process */ |
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writebuf(ps->wd, (char *)samp, sizeof(float)*6*ns); |
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int nv; |
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Vert2_list *vlist2; |
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/* set up our polygon sampler */ |
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if (fptr == NULL || (nv = atoi(fptr->val)) < 3) { |
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fprintf(stderr, "%s: error in %s '%s'\n", |
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if (fptr == NULL || (nv = atoi(fptr->val)) < 3 || |
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(vlist2 = init_poly(&psamp, fptr->next, nv)) == NULL) { |
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fprintf(stderr, "%s: bad polygon %s '%s'\n", |
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progname, param->pname, |
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idf_getfield(param,NAME_FLD)->val); |
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return(0); |
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} |
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vlist2 = init_poly(&psamp, fptr->next, nv); |
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if (vlist2 == NULL) |
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return(0); |
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psamp.samp_left = NSAMPLES; /* assign samples & destination */ |
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psamp.wd = wd; |
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/* sample each subtriangle */ |
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if (pptr1 == pptr) { |
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if (uvfa[3*m + 1] > .001) |
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fprintf(stderr, |
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"%s: warning - non-zero self-VF (%.3e) for surface '%s'\n", |
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progname, uvfa[3*m + 1], |
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"%s: warning - non-zero self-VF (%.1f%%) for surface '%s'\n", |
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progname, 100.*uvfa[3*m + 1], |
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idf_getfield(pptr,NAME_FLD)->val); |
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continue; /* don't record self-factor */ |
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} |
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sprintf(uvfbuf, "%.6f", uvfa[3*m + 1]); |
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sprintf(uvfbuf, "%.4f", uvfa[3*m + 1]); |
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if (!idf_addfield(pout, |
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idf_getfield(pptr,NAME_FLD)->val, NULL) || |
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!idf_addfield(pout, |
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{ |
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ZONE *zptr; |
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/* temporary octree name */ |
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if (temp_filename(temp_octree, sizeof(temp_octree), TEMPLATE) == NULL) { |
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fputs(progname, stderr); |
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< |
fputs(": cannot create temporary octree\n", stderr); |
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< |
return(0); |
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} |
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> |
mktemp(strcpy(temp_octree, TEMPLATE)); |
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/* compute each zone */ |
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for (zptr = zone_list; zptr != NULL; zptr = zptr->next) { |
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SUBPROC rcproc; |