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/* Copyright (c) 1987 Regents of the University of California */ |
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|
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* rv2.c - command routines used in tracing a view. |
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* |
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* 3/24/87 |
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* External symbols declared in rpaint.h |
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*/ |
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|
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#include "ray.h" |
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#include "copyright.h" |
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|
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#include "octree.h" |
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#include <ctype.h> |
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#include <string.h> |
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|
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#include "platform.h" |
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#include "ray.h" |
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#include "source.h" |
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#include "ambient.h" |
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#include "otypes.h" |
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|
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#include "rpaint.h" |
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|
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#include <ctype.h> |
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extern int psample; /* pixel sample size */ |
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extern double maxdiff; /* max. sample difference */ |
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|
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#define CTRL(c) ('c'-'@') |
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#define CTRL(c) ((c)-'@') |
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|
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#ifdef SMLFLT |
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#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
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#else |
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#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
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#endif |
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|
33 |
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extern char rifname[128]; /* rad input file name */ |
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|
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extern char *progname; |
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extern char *octname; |
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|
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|
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getframe(s) /* get a new frame */ |
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char *s; |
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extern void |
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getframe( /* get a new frame */ |
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char *s |
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) |
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{ |
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if (getrect(s, &pframe) < 0) |
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return; |
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} |
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|
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|
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getrepaint(s) /* get area and repaint */ |
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char *s; |
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extern void |
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getrepaint( /* get area and repaint */ |
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char *s |
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) |
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{ |
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RECT box; |
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|
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} |
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|
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|
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getview(s) /* get/show view parameters */ |
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char *s; |
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extern void |
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getview( /* get/show view parameters */ |
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char *s |
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) |
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{ |
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FILE *fp; |
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char buf[128]; |
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char *fname; |
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int change = 0; |
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VIEW nv; |
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VIEW nv = ourview; |
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|
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while (isspace(*s)) |
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s++; |
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if (*s == '-') { /* command line parameters */ |
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if (sscanview(&nv, s)) |
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newview(&nv); |
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else |
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error(COMMAND, "bad view option(s)"); |
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return; |
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} |
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if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
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if ((fname = getpath(buf, NULL, 0)) == NULL || |
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(fp = fopen(fname, "a")) == NULL) { |
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fputs(progname, fp); |
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fprintview(&ourview, fp); |
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fputs(sskip(s), fp); |
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fputs("\n", fp); |
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putc('\n', fp); |
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fclose(fp); |
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return; |
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} |
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sprintf(buf, "view type (%c): ", ourview.type); |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
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if (buf[0] == CTRL(C)) return; |
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if (buf[0] == CTRL('C')) return; |
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if (buf[0] && buf[0] != ourview.type) { |
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nv.type = buf[0]; |
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change++; |
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} else |
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nv.type = ourview.type; |
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} |
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sprintf(buf, "view point (%.6g %.6g %.6g): ", |
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ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
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if (buf[0] == CTRL(C)) return; |
110 |
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if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
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if (buf[0] == CTRL('C')) return; |
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if (sscanvec(buf, nv.vp)) |
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change++; |
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else |
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VCOPY(nv.vp, ourview.vp); |
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sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
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ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
113 |
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ourview.vdir[0]*ourview.vdist, |
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ourview.vdir[1]*ourview.vdist, |
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ourview.vdir[2]*ourview.vdist); |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
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if (buf[0] == CTRL(C)) return; |
119 |
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if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
118 |
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if (buf[0] == CTRL('C')) return; |
119 |
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if (sscanvec(buf, nv.vdir)) { |
120 |
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nv.vdist = 1.; |
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change++; |
122 |
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else |
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VCOPY(nv.vdir, ourview.vdir); |
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} |
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sprintf(buf, "view up (%.6g %.6g %.6g): ", |
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ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
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(*dev->comout)(buf); |
126 |
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(*dev->comin)(buf, NULL); |
127 |
< |
if (buf[0] == CTRL(C)) return; |
128 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
127 |
> |
if (buf[0] == CTRL('C')) return; |
128 |
> |
if (sscanvec(buf, nv.vup)) |
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change++; |
105 |
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else |
106 |
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VCOPY(nv.vup, ourview.vup); |
130 |
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sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
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ourview.horiz, ourview.vert); |
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(*dev->comout)(buf); |
133 |
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(*dev->comin)(buf, NULL); |
134 |
< |
if (buf[0] == CTRL(C)) return; |
134 |
> |
if (buf[0] == CTRL('C')) return; |
135 |
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if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
136 |
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change++; |
137 |
< |
else { |
138 |
< |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
139 |
< |
} |
137 |
> |
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
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> |
ourview.vfore, ourview.vaft); |
139 |
> |
(*dev->comout)(buf); |
140 |
> |
(*dev->comin)(buf, NULL); |
141 |
> |
if (buf[0] == CTRL('C')) return; |
142 |
> |
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
143 |
> |
change++; |
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sprintf(buf, "view shift and lift (%.6g %.6g): ", |
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ourview.hoff, ourview.voff); |
146 |
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(*dev->comout)(buf); |
147 |
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(*dev->comin)(buf, NULL); |
148 |
< |
if (buf[0] == CTRL(C)) return; |
148 |
> |
if (buf[0] == CTRL('C')) return; |
149 |
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if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
150 |
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change++; |
124 |
– |
else { |
125 |
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nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
126 |
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} |
151 |
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if (change) |
152 |
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newview(&nv); |
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} |
154 |
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|
155 |
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|
156 |
< |
lastview(s) /* return to a previous view */ |
157 |
< |
char *s; |
156 |
> |
extern void |
157 |
> |
lastview( /* return to a previous view */ |
158 |
> |
char *s |
159 |
> |
) |
160 |
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{ |
161 |
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char buf[128]; |
162 |
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char *fname; |
164 |
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VIEW nv; |
165 |
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|
166 |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
167 |
< |
copystruct(&nv, &stdview); |
168 |
< |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
169 |
< |
(success = viewfile(fname, &nv, 0, 0)) == -1) { |
167 |
> |
nv = stdview; |
168 |
> |
if ((fname = getpath(buf, "", R_OK)) == NULL || |
169 |
> |
(success = viewfile(fname, &nv, NULL)) == -1) { |
170 |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
171 |
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error(COMMAND, errmsg); |
172 |
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return; |
181 |
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error(COMMAND, "no previous view"); |
182 |
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return; |
183 |
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} |
184 |
< |
copystruct(&nv, &ourview); |
185 |
< |
copystruct(&ourview, &oldview); |
186 |
< |
copystruct(&oldview, &nv); |
184 |
> |
nv = ourview; |
185 |
> |
ourview = oldview; |
186 |
> |
oldview = nv; |
187 |
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newimage(); |
188 |
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} |
189 |
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|
190 |
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|
191 |
< |
getaim(s) /* aim camera */ |
192 |
< |
char *s; |
191 |
> |
extern void |
192 |
> |
saveview( /* save view to rad file */ |
193 |
> |
char *s |
194 |
> |
) |
195 |
|
{ |
196 |
< |
extern double tan(), atan(); |
197 |
< |
double zfact; |
196 |
> |
char view[64]; |
197 |
> |
char *fname; |
198 |
> |
FILE *fp; |
199 |
> |
|
200 |
> |
if (*atos(view, sizeof(view), s)) { |
201 |
> |
if (isint(view)) { |
202 |
> |
error(COMMAND, "cannot write view by number"); |
203 |
> |
return; |
204 |
> |
} |
205 |
> |
s = sskip(s); |
206 |
> |
} |
207 |
> |
while (isspace(*s)) |
208 |
> |
s++; |
209 |
> |
if (*s) |
210 |
> |
atos(rifname, sizeof(rifname), s); |
211 |
> |
else if (rifname[0] == '\0') { |
212 |
> |
error(COMMAND, "no previous rad file"); |
213 |
> |
return; |
214 |
> |
} |
215 |
> |
if ((fname = getpath(rifname, NULL, 0)) == NULL || |
216 |
> |
(fp = fopen(fname, "a")) == NULL) { |
217 |
> |
sprintf(errmsg, "cannot open \"%s\"", rifname); |
218 |
> |
error(COMMAND, errmsg); |
219 |
> |
return; |
220 |
> |
} |
221 |
> |
fputs("view= ", fp); |
222 |
> |
fputs(view, fp); |
223 |
> |
fprintview(&ourview, fp); |
224 |
> |
putc('\n', fp); |
225 |
> |
fclose(fp); |
226 |
> |
} |
227 |
> |
|
228 |
> |
|
229 |
> |
extern void |
230 |
> |
loadview( /* load view from rad file */ |
231 |
> |
char *s |
232 |
> |
) |
233 |
> |
{ |
234 |
> |
char buf[512]; |
235 |
> |
char *fname; |
236 |
> |
FILE *fp; |
237 |
|
VIEW nv; |
238 |
|
|
239 |
+ |
strcpy(buf, "rad -n -s -V -v "); |
240 |
+ |
if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
241 |
+ |
s = sskip(s); |
242 |
+ |
else |
243 |
+ |
strcat(buf, "1"); |
244 |
+ |
if (*s) |
245 |
+ |
atos(rifname, sizeof(rifname), s); |
246 |
+ |
else if (rifname[0] == '\0') { |
247 |
+ |
error(COMMAND, "no previous rad file"); |
248 |
+ |
return; |
249 |
+ |
} |
250 |
+ |
if ((fname = getpath(rifname, "", R_OK)) == NULL) { |
251 |
+ |
sprintf(errmsg, "cannot access \"%s\"", rifname); |
252 |
+ |
error(COMMAND, errmsg); |
253 |
+ |
return; |
254 |
+ |
} |
255 |
+ |
sprintf(buf+strlen(buf), " %s", fname); |
256 |
+ |
if ((fp = popen(buf, "r")) == NULL) { |
257 |
+ |
error(COMMAND, "cannot run rad"); |
258 |
+ |
return; |
259 |
+ |
} |
260 |
+ |
buf[0] = '\0'; |
261 |
+ |
fgets(buf, sizeof(buf), fp); |
262 |
+ |
pclose(fp); |
263 |
+ |
nv = stdview; |
264 |
+ |
if (!sscanview(&nv, buf)) { |
265 |
+ |
error(COMMAND, "rad error -- no such view?"); |
266 |
+ |
return; |
267 |
+ |
} |
268 |
+ |
newview(&nv); |
269 |
+ |
} |
270 |
+ |
|
271 |
+ |
|
272 |
+ |
extern void |
273 |
+ |
getaim( /* aim camera */ |
274 |
+ |
char *s |
275 |
+ |
) |
276 |
+ |
{ |
277 |
+ |
VIEW nv = ourview; |
278 |
+ |
double zfact; |
279 |
+ |
|
280 |
|
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
281 |
|
return; |
174 |
– |
nv.type = ourview.type; |
175 |
– |
VCOPY(nv.vp, ourview.vp); |
176 |
– |
VCOPY(nv.vup, ourview.vup); |
177 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
178 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
282 |
|
zoomview(&nv, zfact); |
283 |
|
newview(&nv); |
284 |
|
} |
285 |
|
|
286 |
|
|
287 |
< |
getmove(s) /* move camera */ |
288 |
< |
char *s; |
287 |
> |
extern void |
288 |
> |
getfocus( /* set focus distance */ |
289 |
> |
char *s |
290 |
> |
) |
291 |
|
{ |
292 |
|
FVECT vc; |
293 |
+ |
double dist; |
294 |
+ |
|
295 |
+ |
if (sscanf(s, "%lf", &dist) < 1) { |
296 |
+ |
int x, y; |
297 |
+ |
RAY thisray; |
298 |
+ |
if (dev->getcur == NULL) |
299 |
+ |
return; |
300 |
+ |
(*dev->comout)("Pick focus point\n"); |
301 |
+ |
if ((*dev->getcur)(&x, &y) == ABORT) |
302 |
+ |
return; |
303 |
+ |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
304 |
+ |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
305 |
+ |
error(COMMAND, "not on image"); |
306 |
+ |
return; |
307 |
+ |
} |
308 |
+ |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
309 |
+ |
if (!localhit(&thisray, &thescene)) { |
310 |
+ |
error(COMMAND, "not a local object"); |
311 |
+ |
return; |
312 |
+ |
} |
313 |
+ |
dist = thisray.rot; |
314 |
+ |
} else if (dist <= .0) { |
315 |
+ |
error(COMMAND, "focus distance must be positive"); |
316 |
+ |
return; |
317 |
+ |
} |
318 |
+ |
ourview.vdist = dist; |
319 |
+ |
} |
320 |
+ |
|
321 |
+ |
|
322 |
+ |
extern void |
323 |
+ |
getmove( /* move camera */ |
324 |
+ |
char *s |
325 |
+ |
) |
326 |
+ |
{ |
327 |
+ |
FVECT vc; |
328 |
|
double mag; |
329 |
|
|
330 |
|
if (getinterest(s, 0, vc, &mag) < 0) |
333 |
|
} |
334 |
|
|
335 |
|
|
336 |
< |
getrotate(s) /* rotate camera */ |
337 |
< |
char *s; |
336 |
> |
extern void |
337 |
> |
getrotate( /* rotate camera */ |
338 |
> |
char *s |
339 |
> |
) |
340 |
|
{ |
341 |
< |
extern double normalize(), tan(), atan(); |
200 |
< |
VIEW nv; |
341 |
> |
VIEW nv = ourview; |
342 |
|
FVECT v1; |
343 |
|
double angle, elev, zfact; |
344 |
|
|
347 |
|
error(COMMAND, "missing angle"); |
348 |
|
return; |
349 |
|
} |
209 |
– |
nv.type = ourview.type; |
210 |
– |
VCOPY(nv.vp, ourview.vp); |
211 |
– |
VCOPY(nv.vup, ourview.vup); |
212 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
350 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
351 |
|
if (elev != 0.0) { |
352 |
|
fcross(v1, nv.vdir, ourview.vup); |
353 |
|
normalize(v1); |
354 |
|
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
355 |
|
} |
219 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
356 |
|
zoomview(&nv, zfact); |
357 |
|
newview(&nv); |
358 |
|
} |
359 |
|
|
360 |
|
|
361 |
< |
getpivot(s) /* pivot viewpoint */ |
362 |
< |
register char *s; |
361 |
> |
extern void |
362 |
> |
getpivot( /* pivot viewpoint */ |
363 |
> |
register char *s |
364 |
> |
) |
365 |
|
{ |
366 |
|
FVECT vc; |
367 |
|
double angle, elev, mag; |
371 |
|
error(COMMAND, "missing angle"); |
372 |
|
return; |
373 |
|
} |
374 |
< |
if (getinterest(sskip(sskip(s)), 0, vc, &mag) < 0) |
374 |
> |
if (getinterest(sskip2(s,2), 0, vc, &mag) < 0) |
375 |
|
return; |
376 |
|
moveview(angle, elev, mag, vc); |
377 |
|
} |
378 |
|
|
379 |
|
|
380 |
< |
getexposure(s) /* get new exposure */ |
381 |
< |
char *s; |
380 |
> |
extern void |
381 |
> |
getexposure( /* get new exposure */ |
382 |
> |
char *s |
383 |
> |
) |
384 |
|
{ |
245 |
– |
double atof(), pow(), fabs(); |
385 |
|
char buf[128]; |
386 |
|
register char *cp; |
248 |
– |
register PNODE *p; |
387 |
|
RECT r; |
388 |
|
int x, y; |
389 |
< |
double e; |
389 |
> |
register PNODE *p = &ptrunk; |
390 |
> |
int adapt = 0; |
391 |
> |
double e = 1.0; |
392 |
|
|
393 |
|
for (cp = s; isspace(*cp); cp++) |
394 |
|
; |
395 |
+ |
if (*cp == '@') { |
396 |
+ |
adapt++; |
397 |
+ |
while (isspace(*++cp)) |
398 |
+ |
; |
399 |
+ |
} |
400 |
|
if (*cp == '\0') { /* normalize to point */ |
401 |
|
if (dev->getcur == NULL) |
402 |
|
return; |
406 |
|
r.l = r.d = 0; |
407 |
|
r.r = hresolu; r.u = vresolu; |
408 |
|
p = findrect(x, y, &ptrunk, &r, -1); |
264 |
– |
e = 1.0; |
409 |
|
} else { |
410 |
|
if (*cp == '=') { /* absolute setting */ |
411 |
|
p = NULL; |
413 |
|
for (cp++; isspace(*cp); cp++) |
414 |
|
; |
415 |
|
if (*cp == '\0') { /* interactive */ |
416 |
< |
sprintf(buf, "exposure (%lf): ", exposure); |
416 |
> |
sprintf(buf, "exposure (%f): ", exposure); |
417 |
|
(*dev->comout)(buf); |
418 |
|
(*dev->comin)(buf, NULL); |
419 |
|
for (cp = buf; isspace(*cp); cp++) |
421 |
|
if (*cp == '\0') |
422 |
|
return; |
423 |
|
} |
280 |
– |
} else { /* normalize to average */ |
281 |
– |
p = &ptrunk; |
282 |
– |
e = 1.0; |
424 |
|
} |
425 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
426 |
|
e *= pow(2.0, atof(cp)); |
428 |
|
e *= atof(cp); |
429 |
|
} |
430 |
|
if (p != NULL) { /* relative setting */ |
431 |
< |
if (bright(p->v) <= FTINY) { |
431 |
> |
if (bright(p->v) < 1e-15) { |
432 |
|
error(COMMAND, "cannot normalize to zero"); |
433 |
|
return; |
434 |
|
} |
435 |
< |
e *= 0.5 / bright(p->v); |
435 |
> |
if (adapt) |
436 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
437 |
> |
else |
438 |
> |
e *= 0.5 / bright(p->v); |
439 |
|
} |
440 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
441 |
|
return; |
444 |
|
redraw(); |
445 |
|
} |
446 |
|
|
447 |
+ |
typedef union {int i; double d; COLOR C;} *MyUptr; |
448 |
|
|
449 |
< |
setparam(s) /* get/set program parameter */ |
450 |
< |
register char *s; |
449 |
> |
extern int |
450 |
> |
getparam( /* get variable from user */ |
451 |
> |
char *str, |
452 |
> |
char *dsc, |
453 |
> |
int typ, |
454 |
> |
void *p |
455 |
> |
) |
456 |
|
{ |
457 |
< |
extern int psample; |
308 |
< |
extern double maxdiff; |
309 |
< |
extern double minweight; |
310 |
< |
extern int maxdepth; |
311 |
< |
extern double dstrsrc; |
312 |
< |
extern double shadthresh; |
313 |
< |
extern double shadcert; |
314 |
< |
extern COLOR ambval; |
315 |
< |
extern double ambacc; |
316 |
< |
extern double minarad; |
317 |
< |
extern int ambres; |
318 |
< |
extern int ambdiv; |
319 |
< |
extern int ambssamp; |
320 |
< |
extern int ambounce; |
457 |
> |
register MyUptr ptr = (MyUptr)p; |
458 |
|
int i0; |
459 |
|
double d0, d1, d2; |
460 |
+ |
char buf[48]; |
461 |
+ |
|
462 |
+ |
switch (typ) { |
463 |
+ |
case 'i': /* integer */ |
464 |
+ |
if (sscanf(str, "%d", &i0) != 1) { |
465 |
+ |
(*dev->comout)(dsc); |
466 |
+ |
sprintf(buf, " (%d): ", ptr->i); |
467 |
+ |
(*dev->comout)(buf); |
468 |
+ |
(*dev->comin)(buf, NULL); |
469 |
+ |
if (sscanf(buf, "%d", &i0) != 1) |
470 |
+ |
return(0); |
471 |
+ |
} |
472 |
+ |
ptr->i = i0; |
473 |
+ |
return(1); |
474 |
+ |
case 'r': /* real */ |
475 |
+ |
if (sscanf(str, "%lf", &d0) != 1) { |
476 |
+ |
(*dev->comout)(dsc); |
477 |
+ |
sprintf(buf, " (%.6g): ", ptr->d); |
478 |
+ |
(*dev->comout)(buf); |
479 |
+ |
(*dev->comin)(buf, NULL); |
480 |
+ |
if (sscanf(buf, "%lf", &d0) != 1) |
481 |
+ |
return(0); |
482 |
+ |
} |
483 |
+ |
ptr->d = d0; |
484 |
+ |
return(1); |
485 |
+ |
case 'b': /* boolean */ |
486 |
+ |
if (sscanf(str, "%1s", buf) != 1) { |
487 |
+ |
(*dev->comout)(dsc); |
488 |
+ |
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
489 |
+ |
(*dev->comout)(buf); |
490 |
+ |
(*dev->comin)(buf, NULL); |
491 |
+ |
if (buf[0] == '\0' || |
492 |
+ |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
493 |
+ |
return(0); |
494 |
+ |
} |
495 |
+ |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
496 |
+ |
return(1); |
497 |
+ |
case 'C': /* color */ |
498 |
+ |
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
499 |
+ |
(*dev->comout)(dsc); |
500 |
+ |
sprintf(buf, " (%.6g %.6g %.6g): ", |
501 |
+ |
colval(ptr->C,RED), |
502 |
+ |
colval(ptr->C,GRN), |
503 |
+ |
colval(ptr->C,BLU)); |
504 |
+ |
(*dev->comout)(buf); |
505 |
+ |
(*dev->comin)(buf, NULL); |
506 |
+ |
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
507 |
+ |
return(0); |
508 |
+ |
} |
509 |
+ |
setcolor(ptr->C, d0, d1, d2); |
510 |
+ |
return(1); |
511 |
+ |
} |
512 |
+ |
return 0; /* nothing matched */ |
513 |
+ |
} |
514 |
+ |
|
515 |
+ |
|
516 |
+ |
extern void |
517 |
+ |
setparam( /* get/set program parameter */ |
518 |
+ |
register char *s |
519 |
+ |
) |
520 |
+ |
{ |
521 |
|
char buf[128]; |
522 |
|
|
523 |
|
if (s[0] == '\0') { |
524 |
< |
(*dev->comout)("aa ab ad ar as av dc dj dt lr lw sp st: "); |
524 |
> |
(*dev->comout)( |
525 |
> |
"aa ab ad ar as av aw b dc dv dj ds dt i lr lw me ma mg ms ps pt sj st bv: "); |
526 |
|
(*dev->comin)(buf, NULL); |
527 |
|
s = buf; |
528 |
|
} |
530 |
|
case 'l': /* limit */ |
531 |
|
switch (s[1]) { |
532 |
|
case 'w': /* weight */ |
533 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
534 |
< |
sprintf(buf, "limit weight (%.6g): ", |
336 |
< |
minweight); |
337 |
< |
(*dev->comout)(buf); |
338 |
< |
(*dev->comin)(buf, NULL); |
339 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
340 |
< |
break; |
341 |
< |
} |
342 |
< |
minweight = d0; |
533 |
> |
getparam(s+2, "limit weight", 'r', |
534 |
> |
(void *)&minweight); |
535 |
|
break; |
536 |
|
case 'r': /* reflection */ |
537 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
538 |
< |
sprintf(buf, "limit reflection (%d): ", |
347 |
< |
maxdepth); |
348 |
< |
(*dev->comout)(buf); |
349 |
< |
(*dev->comin)(buf, NULL); |
350 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
351 |
< |
break; |
352 |
< |
} |
353 |
< |
maxdepth = i0; |
537 |
> |
getparam(s+2, "limit reflection", 'i', |
538 |
> |
(void *)&maxdepth); |
539 |
|
break; |
540 |
|
default: |
541 |
|
goto badparam; |
544 |
|
case 'd': /* direct */ |
545 |
|
switch (s[1]) { |
546 |
|
case 'j': /* jitter */ |
547 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
548 |
< |
sprintf(buf, "direct jitter (%.6g): ", |
364 |
< |
dstrsrc); |
365 |
< |
(*dev->comout)(buf); |
366 |
< |
(*dev->comin)(buf, NULL); |
367 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
368 |
< |
break; |
369 |
< |
} |
370 |
< |
dstrsrc = d0; |
547 |
> |
getparam(s+2, "direct jitter", 'r', |
548 |
> |
(void *)&dstrsrc); |
549 |
|
break; |
550 |
|
case 'c': /* certainty */ |
551 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
552 |
< |
sprintf(buf, "direct certainty (%.6g): ", |
375 |
< |
shadcert); |
376 |
< |
(*dev->comout)(buf); |
377 |
< |
(*dev->comin)(buf, NULL); |
378 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
379 |
< |
break; |
380 |
< |
} |
381 |
< |
shadcert = d0; |
551 |
> |
getparam(s+2, "direct certainty", 'r', |
552 |
> |
(void *)&shadcert); |
553 |
|
break; |
554 |
|
case 't': /* threshold */ |
555 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
556 |
< |
sprintf(buf, "direct threshold (%.6g): ", |
386 |
< |
shadthresh); |
387 |
< |
(*dev->comout)(buf); |
388 |
< |
(*dev->comin)(buf, NULL); |
389 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
390 |
< |
break; |
391 |
< |
} |
392 |
< |
shadthresh = d0; |
555 |
> |
getparam(s+2, "direct threshold", 'r', |
556 |
> |
(void *)&shadthresh); |
557 |
|
break; |
558 |
+ |
case 'v': /* visibility */ |
559 |
+ |
getparam(s+2, "direct visibility", 'b', |
560 |
+ |
(void *)&directvis); |
561 |
+ |
break; |
562 |
+ |
case 's': /* sampling */ |
563 |
+ |
getparam(s+2, "direct sampling", 'r', |
564 |
+ |
(void *)&srcsizerat); |
565 |
+ |
break; |
566 |
|
default: |
567 |
|
goto badparam; |
568 |
|
} |
569 |
|
break; |
570 |
+ |
case 'b': /* back faces or black and white */ |
571 |
+ |
switch (s[1]) { |
572 |
+ |
case 'v': /* back face visibility */ |
573 |
+ |
getparam(s+2, "back face visibility", 'b', |
574 |
+ |
(void *)&backvis); |
575 |
+ |
break; |
576 |
+ |
case '\0': /* black and white */ |
577 |
+ |
case ' ': |
578 |
+ |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
579 |
+ |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
580 |
+ |
getparam(s+1, "black and white", 'b', |
581 |
+ |
(void *)&greyscale); |
582 |
+ |
break; |
583 |
+ |
default: |
584 |
+ |
goto badparam; |
585 |
+ |
} |
586 |
+ |
break; |
587 |
+ |
case 'i': /* irradiance */ |
588 |
+ |
getparam(s+1, "irradiance", 'b', |
589 |
+ |
(void *)&do_irrad); |
590 |
+ |
break; |
591 |
|
case 'a': /* ambient */ |
592 |
|
switch (s[1]) { |
593 |
|
case 'v': /* value */ |
594 |
< |
if (sscanf(s+2, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
595 |
< |
sprintf(buf, |
403 |
< |
"ambient value (%.6g %.6g %.6g): ", |
404 |
< |
colval(ambval,RED), |
405 |
< |
colval(ambval,GRN), |
406 |
< |
colval(ambval,BLU)); |
407 |
< |
(*dev->comout)(buf); |
408 |
< |
(*dev->comin)(buf, NULL); |
409 |
< |
if (sscanf(buf, "%lf %lf %lf", |
410 |
< |
&d0, &d1, &d2) != 3) |
411 |
< |
break; |
412 |
< |
} |
413 |
< |
setcolor(ambval, d0, d1, d2); |
594 |
> |
getparam(s+2, "ambient value", 'C', |
595 |
> |
(void *)ambval); |
596 |
|
break; |
597 |
+ |
case 'w': /* weight */ |
598 |
+ |
getparam(s+2, "ambient value weight", 'i', |
599 |
+ |
(void *)&ambvwt); |
600 |
+ |
break; |
601 |
|
case 'a': /* accuracy */ |
602 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
603 |
< |
sprintf(buf, "ambient accuracy (%.6g): ", |
604 |
< |
ambacc); |
419 |
< |
(*dev->comout)(buf); |
420 |
< |
(*dev->comin)(buf, NULL); |
421 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
422 |
< |
break; |
423 |
< |
} |
424 |
< |
ambacc = d0; |
602 |
> |
if (getparam(s+2, "ambient accuracy", 'r', |
603 |
> |
(void *)&ambacc)) |
604 |
> |
setambacc(ambacc); |
605 |
|
break; |
606 |
|
case 'd': /* divisions */ |
607 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
608 |
< |
sprintf(buf, "ambient divisions (%d): ", |
429 |
< |
ambdiv); |
430 |
< |
(*dev->comout)(buf); |
431 |
< |
(*dev->comin)(buf, NULL); |
432 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
433 |
< |
break; |
434 |
< |
} |
435 |
< |
ambdiv = i0; |
607 |
> |
getparam(s+2, "ambient divisions", 'i', |
608 |
> |
(void *)&ambdiv); |
609 |
|
break; |
610 |
|
case 's': /* samples */ |
611 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
612 |
< |
sprintf(buf, "ambient super-samples (%d): ", |
440 |
< |
ambssamp); |
441 |
< |
(*dev->comout)(buf); |
442 |
< |
(*dev->comin)(buf, NULL); |
443 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
444 |
< |
break; |
445 |
< |
} |
446 |
< |
ambssamp = i0; |
611 |
> |
getparam(s+2, "ambient super-samples", 'i', |
612 |
> |
(void *)&ambssamp); |
613 |
|
break; |
614 |
|
case 'b': /* bounces */ |
615 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
616 |
< |
sprintf(buf, "ambient bounces (%d): ", |
451 |
< |
ambounce); |
452 |
< |
(*dev->comout)(buf); |
453 |
< |
(*dev->comin)(buf, NULL); |
454 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
455 |
< |
break; |
456 |
< |
} |
457 |
< |
ambounce = i0; |
615 |
> |
getparam(s+2, "ambient bounces", 'i', |
616 |
> |
(void *)&ambounce); |
617 |
|
break; |
618 |
|
case 'r': |
619 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
620 |
< |
sprintf(buf, "ambient resolution (%d): ", |
621 |
< |
ambres); |
463 |
< |
(*dev->comout)(buf); |
464 |
< |
(*dev->comin)(buf, NULL); |
465 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
466 |
< |
break; |
467 |
< |
} |
468 |
< |
ambres = i0; |
469 |
< |
minarad = ambres > 0 ? thescene.cusize/ambres : 0.0; |
619 |
> |
if (getparam(s+2, "ambient resolution", 'i', |
620 |
> |
(void *)&ambres)) |
621 |
> |
setambres(ambres); |
622 |
|
break; |
623 |
|
default: |
624 |
|
goto badparam; |
625 |
|
} |
626 |
|
break; |
627 |
< |
case 's': /* sample */ |
627 |
> |
case 'm': /* medium */ |
628 |
|
switch (s[1]) { |
629 |
< |
case 'p': /* pixel */ |
630 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
631 |
< |
sprintf(buf, "sample pixel (%d): ", psample); |
480 |
< |
(*dev->comout)(buf); |
481 |
< |
(*dev->comin)(buf, NULL); |
482 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
483 |
< |
break; |
484 |
< |
} |
485 |
< |
psample = i0; |
486 |
< |
pdepth = 0; |
629 |
> |
case 'e': /* extinction coefficient */ |
630 |
> |
getparam(s+2, "extinction coefficient", 'C', |
631 |
> |
(void *)cextinction); |
632 |
|
break; |
633 |
+ |
case 'a': /* scattering albedo */ |
634 |
+ |
getparam(s+2, "scattering albedo", 'C', |
635 |
+ |
(void *)salbedo); |
636 |
+ |
break; |
637 |
+ |
case 'g': /* scattering eccentricity */ |
638 |
+ |
getparam(s+2, "scattering eccentricity", 'r', |
639 |
+ |
(void *)&seccg); |
640 |
+ |
break; |
641 |
+ |
case 's': /* sampling distance */ |
642 |
+ |
getparam(s+2, "mist sampling distance", 'r', |
643 |
+ |
(void *)&ssampdist); |
644 |
+ |
break; |
645 |
+ |
default: |
646 |
+ |
goto badparam; |
647 |
+ |
} |
648 |
+ |
break; |
649 |
+ |
case 'p': /* pixel */ |
650 |
+ |
switch (s[1]) { |
651 |
+ |
case 's': /* sample */ |
652 |
+ |
if (getparam(s+2, "pixel sample", 'i', |
653 |
+ |
(void *)&psample)) |
654 |
+ |
pdepth = 0; |
655 |
+ |
break; |
656 |
|
case 't': /* threshold */ |
657 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
658 |
< |
sprintf(buf, "sample threshold (%.6g): ", |
659 |
< |
maxdiff); |
492 |
< |
(*dev->comout)(buf); |
493 |
< |
(*dev->comin)(buf, NULL); |
494 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
495 |
< |
break; |
496 |
< |
} |
497 |
< |
maxdiff = d0; |
498 |
< |
pdepth = 0; |
657 |
> |
if (getparam(s+2, "pixel threshold", 'r', |
658 |
> |
(void *)&maxdiff)) |
659 |
> |
pdepth = 0; |
660 |
|
break; |
661 |
|
default: |
662 |
|
goto badparam; |
663 |
|
} |
664 |
|
break; |
665 |
+ |
case 's': /* specular */ |
666 |
+ |
switch (s[1]) { |
667 |
+ |
case 'j': /* jitter */ |
668 |
+ |
getparam(s+2, "specular jitter", 'r', |
669 |
+ |
(void *)&specjitter); |
670 |
+ |
break; |
671 |
+ |
case 't': /* threshold */ |
672 |
+ |
getparam(s+2, "specular threshold", 'r', |
673 |
+ |
(void *)&specthresh); |
674 |
+ |
break; |
675 |
+ |
default: |
676 |
+ |
goto badparam; |
677 |
+ |
} |
678 |
+ |
break; |
679 |
|
case '\0': /* nothing */ |
680 |
|
break; |
681 |
|
default:; |
682 |
|
badparam: |
683 |
+ |
*sskip(s) = '\0'; |
684 |
|
sprintf(errmsg, "%s: unknown variable", s); |
685 |
|
error(COMMAND, errmsg); |
686 |
|
break; |
688 |
|
} |
689 |
|
|
690 |
|
|
691 |
+ |
extern void |
692 |
|
traceray(s) /* trace a single ray */ |
693 |
|
char *s; |
694 |
|
{ |
695 |
|
char buf[128]; |
696 |
|
int x, y; |
697 |
+ |
OBJREC *ino; |
698 |
|
RAY thisray; |
699 |
|
|
700 |
< |
if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
523 |
< |
&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
524 |
< |
&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
700 |
> |
thisray.rmax = 0.0; |
701 |
|
|
702 |
+ |
if (!sscanvec(s, thisray.rorg) || |
703 |
+ |
!sscanvec(sskip2(s,3), thisray.rdir)) { |
704 |
+ |
|
705 |
|
if (dev->getcur == NULL) |
706 |
|
return; |
707 |
|
(*dev->comout)("Pick ray\n"); |
708 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
709 |
|
return; |
710 |
|
|
711 |
< |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
712 |
< |
(x+.5)/hresolu, (y+.5)/vresolu) < 0) { |
711 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
712 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
713 |
|
error(COMMAND, "not on image"); |
714 |
|
return; |
715 |
|
} |
719 |
|
return; |
720 |
|
} |
721 |
|
|
722 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
722 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
723 |
|
|
724 |
|
rayvalue(&thisray); |
725 |
|
|
726 |
|
if (thisray.ro == NULL) |
727 |
|
(*dev->comout)("ray hit nothing"); |
728 |
|
else { |
729 |
< |
sprintf(buf, "ray hit %s %s \"%s\"", |
730 |
< |
objptr(thisray.ro->omod)->oname, |
729 |
> |
OBJREC *mat = NULL; |
730 |
> |
OBJREC *mod = NULL;; |
731 |
> |
char matspec[256]; |
732 |
> |
matspec[0] = '\0'; |
733 |
> |
if (thisray.ro->omod != OVOID) { |
734 |
> |
mod = objptr(thisray.ro->omod); |
735 |
> |
mat = findmaterial(mod); |
736 |
> |
} |
737 |
> |
if (thisray.rod < 0.0) |
738 |
> |
strcpy(matspec, "back of "); |
739 |
> |
if (mod != NULL) { |
740 |
> |
strcat(matspec, mod->oname); |
741 |
> |
if (mat != mod && mat != NULL) |
742 |
> |
sprintf(matspec+strlen(matspec), |
743 |
> |
" (%s)", mat->oname); |
744 |
> |
} else |
745 |
> |
strcat(matspec, VOIDID); |
746 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
747 |
|
ofun[thisray.ro->otype].funame, |
748 |
|
thisray.ro->oname); |
749 |
+ |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
750 |
+ |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
751 |
+ |
ofun[ino->otype].funame, ino->oname); |
752 |
|
(*dev->comout)(buf); |
753 |
|
(*dev->comin)(buf, NULL); |
754 |
|
if (thisray.rot >= FHUGE) |
755 |
|
(*dev->comout)("at infinity"); |
756 |
|
else { |
757 |
< |
sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
758 |
< |
thisray.rop[1], thisray.rop[2]); |
757 |
> |
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
758 |
> |
thisray.rop[0], thisray.rop[1], |
759 |
> |
thisray.rop[2], thisray.rt); |
760 |
|
(*dev->comout)(buf); |
761 |
|
} |
762 |
|
(*dev->comin)(buf, NULL); |
763 |
< |
sprintf(buf, "with value (%.6g %.6g %.6g)", |
763 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
764 |
|
colval(thisray.rcol,RED), |
765 |
|
colval(thisray.rcol,GRN), |
766 |
< |
colval(thisray.rcol,BLU)); |
766 |
> |
colval(thisray.rcol,BLU), |
767 |
> |
luminance(thisray.rcol)); |
768 |
|
(*dev->comout)(buf); |
769 |
|
} |
770 |
|
(*dev->comin)(buf, NULL); |
771 |
|
} |
772 |
|
|
773 |
|
|
774 |
+ |
extern void |
775 |
|
writepict(s) /* write the picture to a file */ |
776 |
|
char *s; |
777 |
|
{ |
781 |
|
COLR *scanline; |
782 |
|
int y; |
783 |
|
|
784 |
< |
if (sscanf(s, "%s", buf) != 1 && buf[0] == '\0') { |
784 |
> |
while (isspace(*s)) |
785 |
> |
s++; |
786 |
> |
if (*s) |
787 |
> |
atos(buf, sizeof(buf), s); |
788 |
> |
else if (buf[0] == '\0') { |
789 |
|
error(COMMAND, "no file"); |
790 |
|
return; |
791 |
|
} |
795 |
|
error(COMMAND, errmsg); |
796 |
|
return; |
797 |
|
} |
798 |
+ |
SET_FILE_BINARY(fp); |
799 |
|
(*dev->comout)("writing \""); |
800 |
|
(*dev->comout)(fname); |
801 |
|
(*dev->comout)("\"...\n"); |
802 |
|
/* write header */ |
803 |
+ |
newheader("RADIANCE", fp); |
804 |
|
fputs(progname, fp); |
805 |
|
fprintview(&ourview, fp); |
806 |
< |
putc('\n', fp); |
806 |
> |
if (octname != NULL) |
807 |
> |
fprintf(fp, " %s\n", octname); |
808 |
> |
else |
809 |
> |
putc('\n', fp); |
810 |
> |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
811 |
> |
fputnow(fp); |
812 |
|
if (exposure != 1.0) |
813 |
|
fputexpos(exposure, fp); |
814 |
|
if (dev->pixaspect != 1.0) |
815 |
|
fputaspect(dev->pixaspect, fp); |
816 |
|
fputformat(COLRFMT, fp); |
817 |
|
putc('\n', fp); |
818 |
< |
fputresolu(YMAJOR|YDECR, hresolu, vresolu, fp); |
818 |
> |
fprtresolu(hresolu, vresolu, fp); |
819 |
|
|
820 |
|
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
821 |
< |
if (scanline == NULL) |
822 |
< |
error(SYSTEM, "out of memory in writepict"); |
821 |
> |
if (scanline == NULL) { |
822 |
> |
error(COMMAND, "not enough memory!"); |
823 |
> |
fclose(fp); |
824 |
> |
unlink(fname); |
825 |
> |
return; |
826 |
> |
} |
827 |
|
for (y = vresolu-1; y >= 0; y--) { |
828 |
|
getpictcolrs(y, scanline, &ptrunk, hresolu, vresolu); |
829 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
830 |
|
break; |
831 |
|
} |
832 |
+ |
free((void *)scanline); |
833 |
|
if (fclose(fp) < 0) |
834 |
|
error(COMMAND, "write error"); |
618 |
– |
free((char *)scanline); |
835 |
|
} |