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/* Copyright (c) 1987 Regents of the University of California */ |
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|
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
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> |
static const char RCSid[] = "$Id$"; |
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#endif |
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|
4 |
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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 "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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|
32 |
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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 */ |
39 |
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char *s; |
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> |
extern void |
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getframe( /* get a new frame */ |
40 |
> |
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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} |
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fputs(progname, fp); |
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fprintview(&ourview, fp); |
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fputs("\n", fp); |
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fputs(sskip(s), 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; |
109 |
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if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
108 |
> |
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]); |
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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; |
116 |
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if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
115 |
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if (buf[0] == CTRL('C')) return; |
116 |
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if (sscanvec(buf, nv.vdir)) |
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change++; |
95 |
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else |
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VCOPY(nv.vdir, ourview.vdir); |
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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); |
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(*dev->comin)(buf, NULL); |
122 |
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if (buf[0] == CTRL(C)) return; |
123 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
122 |
> |
if (buf[0] == CTRL('C')) return; |
123 |
> |
if (sscanvec(buf, nv.vup)) |
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change++; |
104 |
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else |
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VCOPY(nv.vup, ourview.vup); |
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sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
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ourview.horiz, ourview.vert); |
127 |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
129 |
< |
if (buf[0] == CTRL(C)) return; |
129 |
> |
if (buf[0] == CTRL('C')) return; |
130 |
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if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
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change++; |
132 |
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else { |
133 |
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nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
134 |
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} |
132 |
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sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
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ourview.vfore, ourview.vaft); |
134 |
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(*dev->comout)(buf); |
135 |
> |
(*dev->comin)(buf, NULL); |
136 |
> |
if (buf[0] == CTRL('C')) return; |
137 |
> |
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
138 |
> |
change++; |
139 |
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sprintf(buf, "view shift and lift (%.6g %.6g): ", |
140 |
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ourview.hoff, ourview.voff); |
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(*dev->comout)(buf); |
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(*dev->comin)(buf, NULL); |
143 |
< |
if (buf[0] == CTRL(C)) return; |
143 |
> |
if (buf[0] == CTRL('C')) return; |
144 |
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if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
145 |
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change++; |
123 |
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else { |
124 |
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nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
125 |
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} |
146 |
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if (change) |
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newview(&nv); |
148 |
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} |
149 |
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|
150 |
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|
151 |
< |
lastview(s) /* return to a previous view */ |
152 |
< |
char *s; |
151 |
> |
extern void |
152 |
> |
lastview( /* return to a previous view */ |
153 |
> |
char *s |
154 |
> |
) |
155 |
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{ |
156 |
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char buf[128]; |
157 |
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char *fname; |
159 |
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VIEW nv; |
160 |
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|
161 |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
162 |
< |
copystruct(&nv, &stdview); |
163 |
< |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
164 |
< |
(success = viewfile(fname, &nv, 0, 0)) == -1) { |
162 |
> |
nv = stdview; |
163 |
> |
if ((fname = getpath(buf, "", R_OK)) == NULL || |
164 |
> |
(success = viewfile(fname, &nv, NULL)) == -1) { |
165 |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
166 |
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error(COMMAND, errmsg); |
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return; |
172 |
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newview(&nv); |
173 |
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return; |
174 |
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} |
175 |
< |
if (oldview.horiz == 0) { /* no old view! */ |
175 |
> |
if (oldview.type == 0) { /* no old view! */ |
176 |
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error(COMMAND, "no previous view"); |
177 |
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return; |
178 |
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} |
179 |
< |
copystruct(&nv, &ourview); |
180 |
< |
copystruct(&ourview, &oldview); |
181 |
< |
copystruct(&oldview, &nv); |
179 |
> |
nv = ourview; |
180 |
> |
ourview = oldview; |
181 |
> |
oldview = nv; |
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newimage(); |
183 |
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} |
184 |
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|
185 |
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|
186 |
< |
getaim(s) /* aim camera */ |
187 |
< |
char *s; |
186 |
> |
extern void |
187 |
> |
saveview( /* save view to rad file */ |
188 |
> |
char *s |
189 |
> |
) |
190 |
|
{ |
191 |
< |
extern double tan(), atan(); |
192 |
< |
double zfact; |
191 |
> |
char view[64]; |
192 |
> |
char *fname; |
193 |
> |
FILE *fp; |
194 |
> |
|
195 |
> |
if (*atos(view, sizeof(view), s)) { |
196 |
> |
if (isint(view)) { |
197 |
> |
error(COMMAND, "cannot write view by number"); |
198 |
> |
return; |
199 |
> |
} |
200 |
> |
s = sskip(s); |
201 |
> |
} |
202 |
> |
while (isspace(*s)) |
203 |
> |
s++; |
204 |
> |
if (*s) |
205 |
> |
atos(rifname, sizeof(rifname), s); |
206 |
> |
else if (rifname[0] == '\0') { |
207 |
> |
error(COMMAND, "no previous rad file"); |
208 |
> |
return; |
209 |
> |
} |
210 |
> |
if ((fname = getpath(rifname, NULL, 0)) == NULL || |
211 |
> |
(fp = fopen(fname, "a")) == NULL) { |
212 |
> |
sprintf(errmsg, "cannot open \"%s\"", rifname); |
213 |
> |
error(COMMAND, errmsg); |
214 |
> |
return; |
215 |
> |
} |
216 |
> |
fputs("view= ", fp); |
217 |
> |
fputs(view, fp); |
218 |
> |
fprintview(&ourview, fp); |
219 |
> |
putc('\n', fp); |
220 |
> |
fclose(fp); |
221 |
> |
} |
222 |
> |
|
223 |
> |
|
224 |
> |
extern void |
225 |
> |
loadview( /* load view from rad file */ |
226 |
> |
char *s |
227 |
> |
) |
228 |
> |
{ |
229 |
> |
char buf[512]; |
230 |
> |
char *fname; |
231 |
> |
FILE *fp; |
232 |
|
VIEW nv; |
233 |
|
|
234 |
< |
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
234 |
> |
strcpy(buf, "rad -n -s -V -v "); |
235 |
> |
if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
236 |
> |
s = sskip(s); |
237 |
> |
else |
238 |
> |
strcat(buf, "1"); |
239 |
> |
if (*s) |
240 |
> |
atos(rifname, sizeof(rifname), s); |
241 |
> |
else if (rifname[0] == '\0') { |
242 |
> |
error(COMMAND, "no previous rad file"); |
243 |
|
return; |
173 |
– |
VCOPY(nv.vp, ourview.vp); |
174 |
– |
VCOPY(nv.vup, ourview.vup); |
175 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
176 |
– |
if ((nv.type = ourview.type) == VT_PAR) { |
177 |
– |
nv.horiz = ourview.horiz / zfact; |
178 |
– |
nv.vert = ourview.vert / zfact; |
179 |
– |
} else { |
180 |
– |
nv.horiz = atan(tan(ourview.horiz*(PI/180./2.))/zfact) / |
181 |
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(PI/180./2.); |
182 |
– |
nv.vert = atan(tan(ourview.vert*(PI/180./2.))/zfact) / |
183 |
– |
(PI/180./2.); |
244 |
|
} |
245 |
+ |
if ((fname = getpath(rifname, "", R_OK)) == NULL) { |
246 |
+ |
sprintf(errmsg, "cannot access \"%s\"", rifname); |
247 |
+ |
error(COMMAND, errmsg); |
248 |
+ |
return; |
249 |
+ |
} |
250 |
+ |
sprintf(buf+strlen(buf), " %s", fname); |
251 |
+ |
if ((fp = popen(buf, "r")) == NULL) { |
252 |
+ |
error(COMMAND, "cannot run rad"); |
253 |
+ |
return; |
254 |
+ |
} |
255 |
+ |
buf[0] = '\0'; |
256 |
+ |
fgets(buf, sizeof(buf), fp); |
257 |
+ |
pclose(fp); |
258 |
+ |
nv = stdview; |
259 |
+ |
if (!sscanview(&nv, buf)) { |
260 |
+ |
error(COMMAND, "rad error -- no such view?"); |
261 |
+ |
return; |
262 |
+ |
} |
263 |
|
newview(&nv); |
264 |
|
} |
265 |
|
|
266 |
|
|
267 |
< |
getmove(s) /* move camera */ |
268 |
< |
char *s; |
267 |
> |
extern void |
268 |
> |
getaim( /* aim camera */ |
269 |
> |
char *s |
270 |
> |
) |
271 |
|
{ |
272 |
+ |
VIEW nv = ourview; |
273 |
+ |
double zfact; |
274 |
+ |
|
275 |
+ |
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
276 |
+ |
return; |
277 |
+ |
zoomview(&nv, zfact); |
278 |
+ |
newview(&nv); |
279 |
+ |
} |
280 |
+ |
|
281 |
+ |
|
282 |
+ |
extern void |
283 |
+ |
getmove( /* move camera */ |
284 |
+ |
char *s |
285 |
+ |
) |
286 |
+ |
{ |
287 |
|
FVECT vc; |
288 |
|
double mag; |
289 |
|
|
293 |
|
} |
294 |
|
|
295 |
|
|
296 |
< |
getrotate(s) /* rotate camera */ |
297 |
< |
char *s; |
296 |
> |
extern void |
297 |
> |
getrotate( /* rotate camera */ |
298 |
> |
char *s |
299 |
> |
) |
300 |
|
{ |
301 |
< |
extern double normalize(), tan(), atan(); |
205 |
< |
VIEW nv; |
301 |
> |
VIEW nv = ourview; |
302 |
|
FVECT v1; |
303 |
|
double angle, elev, zfact; |
304 |
|
|
307 |
|
error(COMMAND, "missing angle"); |
308 |
|
return; |
309 |
|
} |
214 |
– |
VCOPY(nv.vp, ourview.vp); |
215 |
– |
VCOPY(nv.vup, ourview.vup); |
216 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
310 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
311 |
|
if (elev != 0.0) { |
312 |
|
fcross(v1, nv.vdir, ourview.vup); |
313 |
|
normalize(v1); |
314 |
|
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
315 |
|
} |
316 |
< |
if ((nv.type = ourview.type) == VT_PAR) { |
224 |
< |
nv.horiz = ourview.horiz / zfact; |
225 |
< |
nv.vert = ourview.vert / zfact; |
226 |
< |
} else { |
227 |
< |
nv.horiz = atan(tan(ourview.horiz*(PI/180./2.))/zfact) / |
228 |
< |
(PI/180./2.); |
229 |
< |
nv.vert = atan(tan(ourview.vert*(PI/180./2.))/zfact) / |
230 |
< |
(PI/180./2.); |
231 |
< |
} |
316 |
> |
zoomview(&nv, zfact); |
317 |
|
newview(&nv); |
318 |
|
} |
319 |
|
|
320 |
|
|
321 |
< |
getpivot(s) /* pivot viewpoint */ |
322 |
< |
register char *s; |
321 |
> |
extern void |
322 |
> |
getpivot( /* pivot viewpoint */ |
323 |
> |
register char *s |
324 |
> |
) |
325 |
|
{ |
326 |
|
FVECT vc; |
327 |
|
double angle, elev, mag; |
331 |
|
error(COMMAND, "missing angle"); |
332 |
|
return; |
333 |
|
} |
334 |
< |
if (getinterest(sskip(sskip(s)), 0, vc, &mag) < 0) |
334 |
> |
if (getinterest(sskip2(s,2), 0, vc, &mag) < 0) |
335 |
|
return; |
336 |
|
moveview(angle, elev, mag, vc); |
337 |
|
} |
338 |
|
|
339 |
|
|
340 |
< |
getexposure(s) /* get new exposure */ |
341 |
< |
char *s; |
340 |
> |
extern void |
341 |
> |
getexposure( /* get new exposure */ |
342 |
> |
char *s |
343 |
> |
) |
344 |
|
{ |
256 |
– |
double atof(), pow(), fabs(); |
345 |
|
char buf[128]; |
346 |
|
register char *cp; |
259 |
– |
register PNODE *p; |
347 |
|
RECT r; |
348 |
|
int x, y; |
349 |
< |
double e; |
349 |
> |
register PNODE *p = &ptrunk; |
350 |
> |
int adapt = 0; |
351 |
> |
double e = 1.0; |
352 |
|
|
353 |
|
for (cp = s; isspace(*cp); cp++) |
354 |
|
; |
355 |
+ |
if (*cp == '@') { |
356 |
+ |
adapt++; |
357 |
+ |
while (isspace(*++cp)) |
358 |
+ |
; |
359 |
+ |
} |
360 |
|
if (*cp == '\0') { /* normalize to point */ |
361 |
|
if (dev->getcur == NULL) |
362 |
|
return; |
366 |
|
r.l = r.d = 0; |
367 |
|
r.r = hresolu; r.u = vresolu; |
368 |
|
p = findrect(x, y, &ptrunk, &r, -1); |
275 |
– |
e = 1.0; |
369 |
|
} else { |
370 |
|
if (*cp == '=') { /* absolute setting */ |
371 |
|
p = NULL; |
373 |
|
for (cp++; isspace(*cp); cp++) |
374 |
|
; |
375 |
|
if (*cp == '\0') { /* interactive */ |
376 |
< |
sprintf(buf, "exposure (%lf): ", exposure); |
376 |
> |
sprintf(buf, "exposure (%f): ", exposure); |
377 |
|
(*dev->comout)(buf); |
378 |
|
(*dev->comin)(buf, NULL); |
379 |
|
for (cp = buf; isspace(*cp); cp++) |
381 |
|
if (*cp == '\0') |
382 |
|
return; |
383 |
|
} |
291 |
– |
} else { /* normalize to average */ |
292 |
– |
p = &ptrunk; |
293 |
– |
e = 1.0; |
384 |
|
} |
385 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
386 |
|
e *= pow(2.0, atof(cp)); |
388 |
|
e *= atof(cp); |
389 |
|
} |
390 |
|
if (p != NULL) { /* relative setting */ |
391 |
< |
if (bright(p->v) <= FTINY) { |
391 |
> |
if (bright(p->v) < 1e-15) { |
392 |
|
error(COMMAND, "cannot normalize to zero"); |
393 |
|
return; |
394 |
|
} |
395 |
< |
e *= 0.5 / bright(p->v); |
395 |
> |
if (adapt) |
396 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
397 |
> |
else |
398 |
> |
e *= 0.5 / bright(p->v); |
399 |
|
} |
400 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
401 |
|
return; |
404 |
|
redraw(); |
405 |
|
} |
406 |
|
|
407 |
+ |
typedef union {int i; double d; COLOR C;} *MyUptr; |
408 |
|
|
409 |
< |
setparam(s) /* get/set program parameter */ |
410 |
< |
register char *s; |
409 |
> |
extern int |
410 |
> |
getparam( /* get variable from user */ |
411 |
> |
char *str, |
412 |
> |
char *dsc, |
413 |
> |
int typ, |
414 |
> |
void *p |
415 |
> |
) |
416 |
|
{ |
417 |
< |
extern int psample; |
319 |
< |
extern double maxdiff; |
320 |
< |
extern double minweight; |
321 |
< |
extern int maxdepth; |
322 |
< |
extern double dstrsrc; |
323 |
< |
extern double shadthresh; |
324 |
< |
extern double shadcert; |
325 |
< |
extern COLOR ambval; |
326 |
< |
extern double ambacc; |
327 |
< |
extern double minarad; |
328 |
< |
extern int ambres; |
329 |
< |
extern int ambdiv; |
330 |
< |
extern int ambssamp; |
331 |
< |
extern int ambounce; |
417 |
> |
register MyUptr ptr = (MyUptr)p; |
418 |
|
int i0; |
419 |
|
double d0, d1, d2; |
420 |
+ |
char buf[48]; |
421 |
+ |
|
422 |
+ |
switch (typ) { |
423 |
+ |
case 'i': /* integer */ |
424 |
+ |
if (sscanf(str, "%d", &i0) != 1) { |
425 |
+ |
(*dev->comout)(dsc); |
426 |
+ |
sprintf(buf, " (%d): ", ptr->i); |
427 |
+ |
(*dev->comout)(buf); |
428 |
+ |
(*dev->comin)(buf, NULL); |
429 |
+ |
if (sscanf(buf, "%d", &i0) != 1) |
430 |
+ |
return(0); |
431 |
+ |
} |
432 |
+ |
ptr->i = i0; |
433 |
+ |
return(1); |
434 |
+ |
case 'r': /* real */ |
435 |
+ |
if (sscanf(str, "%lf", &d0) != 1) { |
436 |
+ |
(*dev->comout)(dsc); |
437 |
+ |
sprintf(buf, " (%.6g): ", ptr->d); |
438 |
+ |
(*dev->comout)(buf); |
439 |
+ |
(*dev->comin)(buf, NULL); |
440 |
+ |
if (sscanf(buf, "%lf", &d0) != 1) |
441 |
+ |
return(0); |
442 |
+ |
} |
443 |
+ |
ptr->d = d0; |
444 |
+ |
return(1); |
445 |
+ |
case 'b': /* boolean */ |
446 |
+ |
if (sscanf(str, "%1s", buf) != 1) { |
447 |
+ |
(*dev->comout)(dsc); |
448 |
+ |
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
449 |
+ |
(*dev->comout)(buf); |
450 |
+ |
(*dev->comin)(buf, NULL); |
451 |
+ |
if (buf[0] == '\0' || |
452 |
+ |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
453 |
+ |
return(0); |
454 |
+ |
} |
455 |
+ |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
456 |
+ |
return(1); |
457 |
+ |
case 'C': /* color */ |
458 |
+ |
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
459 |
+ |
(*dev->comout)(dsc); |
460 |
+ |
sprintf(buf, " (%.6g %.6g %.6g): ", |
461 |
+ |
colval(ptr->C,RED), |
462 |
+ |
colval(ptr->C,GRN), |
463 |
+ |
colval(ptr->C,BLU)); |
464 |
+ |
(*dev->comout)(buf); |
465 |
+ |
(*dev->comin)(buf, NULL); |
466 |
+ |
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
467 |
+ |
return(0); |
468 |
+ |
} |
469 |
+ |
setcolor(ptr->C, d0, d1, d2); |
470 |
+ |
return(1); |
471 |
+ |
} |
472 |
+ |
return 0; /* nothing matched */ |
473 |
+ |
} |
474 |
+ |
|
475 |
+ |
|
476 |
+ |
extern void |
477 |
+ |
setparam( /* get/set program parameter */ |
478 |
+ |
register char *s |
479 |
+ |
) |
480 |
+ |
{ |
481 |
|
char buf[128]; |
482 |
|
|
483 |
|
if (s[0] == '\0') { |
484 |
< |
(*dev->comout)("aa ab ad ar as av dc dj dt lr lw sp st: "); |
484 |
> |
(*dev->comout)( |
485 |
> |
"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: "); |
486 |
|
(*dev->comin)(buf, NULL); |
487 |
|
s = buf; |
488 |
|
} |
490 |
|
case 'l': /* limit */ |
491 |
|
switch (s[1]) { |
492 |
|
case 'w': /* weight */ |
493 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
494 |
< |
sprintf(buf, "limit weight (%.6g): ", |
347 |
< |
minweight); |
348 |
< |
(*dev->comout)(buf); |
349 |
< |
(*dev->comin)(buf, NULL); |
350 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
351 |
< |
break; |
352 |
< |
} |
353 |
< |
minweight = d0; |
493 |
> |
getparam(s+2, "limit weight", 'r', |
494 |
> |
(void *)&minweight); |
495 |
|
break; |
496 |
|
case 'r': /* reflection */ |
497 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
498 |
< |
sprintf(buf, "limit reflection (%d): ", |
358 |
< |
maxdepth); |
359 |
< |
(*dev->comout)(buf); |
360 |
< |
(*dev->comin)(buf, NULL); |
361 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
362 |
< |
break; |
363 |
< |
} |
364 |
< |
maxdepth = i0; |
497 |
> |
getparam(s+2, "limit reflection", 'i', |
498 |
> |
(void *)&maxdepth); |
499 |
|
break; |
500 |
|
default: |
501 |
|
goto badparam; |
504 |
|
case 'd': /* direct */ |
505 |
|
switch (s[1]) { |
506 |
|
case 'j': /* jitter */ |
507 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
508 |
< |
sprintf(buf, "direct jitter (%.6g): ", |
375 |
< |
dstrsrc); |
376 |
< |
(*dev->comout)(buf); |
377 |
< |
(*dev->comin)(buf, NULL); |
378 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
379 |
< |
break; |
380 |
< |
} |
381 |
< |
dstrsrc = d0; |
507 |
> |
getparam(s+2, "direct jitter", 'r', |
508 |
> |
(void *)&dstrsrc); |
509 |
|
break; |
510 |
|
case 'c': /* certainty */ |
511 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
512 |
< |
sprintf(buf, "direct certainty (%.6g): ", |
386 |
< |
shadcert); |
387 |
< |
(*dev->comout)(buf); |
388 |
< |
(*dev->comin)(buf, NULL); |
389 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
390 |
< |
break; |
391 |
< |
} |
392 |
< |
shadcert = d0; |
511 |
> |
getparam(s+2, "direct certainty", 'r', |
512 |
> |
(void *)&shadcert); |
513 |
|
break; |
514 |
|
case 't': /* threshold */ |
515 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
516 |
< |
sprintf(buf, "direct threshold (%.6g): ", |
397 |
< |
shadthresh); |
398 |
< |
(*dev->comout)(buf); |
399 |
< |
(*dev->comin)(buf, NULL); |
400 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
401 |
< |
break; |
402 |
< |
} |
403 |
< |
shadthresh = d0; |
515 |
> |
getparam(s+2, "direct threshold", 'r', |
516 |
> |
(void *)&shadthresh); |
517 |
|
break; |
518 |
+ |
case 'v': /* visibility */ |
519 |
+ |
getparam(s+2, "direct visibility", 'b', |
520 |
+ |
(void *)&directvis); |
521 |
+ |
break; |
522 |
+ |
case 's': /* sampling */ |
523 |
+ |
getparam(s+2, "direct sampling", 'r', |
524 |
+ |
(void *)&srcsizerat); |
525 |
+ |
break; |
526 |
|
default: |
527 |
|
goto badparam; |
528 |
|
} |
529 |
|
break; |
530 |
+ |
case 'b': /* back faces or black and white */ |
531 |
+ |
switch (s[1]) { |
532 |
+ |
case 'v': /* back face visibility */ |
533 |
+ |
getparam(s+2, "back face visibility", 'b', |
534 |
+ |
(void *)&backvis); |
535 |
+ |
break; |
536 |
+ |
case '\0': /* black and white */ |
537 |
+ |
case ' ': |
538 |
+ |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
539 |
+ |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
540 |
+ |
getparam(s+1, "black and white", 'b', |
541 |
+ |
(void *)&greyscale); |
542 |
+ |
break; |
543 |
+ |
default: |
544 |
+ |
goto badparam; |
545 |
+ |
} |
546 |
+ |
break; |
547 |
+ |
case 'i': /* irradiance */ |
548 |
+ |
getparam(s+1, "irradiance", 'b', |
549 |
+ |
(void *)&do_irrad); |
550 |
+ |
break; |
551 |
|
case 'a': /* ambient */ |
552 |
|
switch (s[1]) { |
553 |
|
case 'v': /* value */ |
554 |
< |
if (sscanf(s+2, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
555 |
< |
sprintf(buf, |
414 |
< |
"ambient value (%.6g %.6g %.6g): ", |
415 |
< |
colval(ambval,RED), |
416 |
< |
colval(ambval,GRN), |
417 |
< |
colval(ambval,BLU)); |
418 |
< |
(*dev->comout)(buf); |
419 |
< |
(*dev->comin)(buf, NULL); |
420 |
< |
if (sscanf(buf, "%lf %lf %lf", |
421 |
< |
&d0, &d1, &d2) != 3) |
422 |
< |
break; |
423 |
< |
} |
424 |
< |
setcolor(ambval, d0, d1, d2); |
554 |
> |
getparam(s+2, "ambient value", 'C', |
555 |
> |
(void *)ambval); |
556 |
|
break; |
557 |
+ |
case 'w': /* weight */ |
558 |
+ |
getparam(s+2, "ambient value weight", 'i', |
559 |
+ |
(void *)&ambvwt); |
560 |
+ |
break; |
561 |
|
case 'a': /* accuracy */ |
562 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
563 |
< |
sprintf(buf, "ambient accuracy (%.6g): ", |
564 |
< |
ambacc); |
430 |
< |
(*dev->comout)(buf); |
431 |
< |
(*dev->comin)(buf, NULL); |
432 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
433 |
< |
break; |
434 |
< |
} |
435 |
< |
ambacc = d0; |
562 |
> |
if (getparam(s+2, "ambient accuracy", 'r', |
563 |
> |
(void *)&ambacc)) |
564 |
> |
setambacc(ambacc); |
565 |
|
break; |
566 |
|
case 'd': /* divisions */ |
567 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
568 |
< |
sprintf(buf, "ambient divisions (%d): ", |
440 |
< |
ambdiv); |
441 |
< |
(*dev->comout)(buf); |
442 |
< |
(*dev->comin)(buf, NULL); |
443 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
444 |
< |
break; |
445 |
< |
} |
446 |
< |
ambdiv = i0; |
567 |
> |
getparam(s+2, "ambient divisions", 'i', |
568 |
> |
(void *)&ambdiv); |
569 |
|
break; |
570 |
|
case 's': /* samples */ |
571 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
572 |
< |
sprintf(buf, "ambient super-samples (%d): ", |
451 |
< |
ambssamp); |
452 |
< |
(*dev->comout)(buf); |
453 |
< |
(*dev->comin)(buf, NULL); |
454 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
455 |
< |
break; |
456 |
< |
} |
457 |
< |
ambssamp = i0; |
571 |
> |
getparam(s+2, "ambient super-samples", 'i', |
572 |
> |
(void *)&ambssamp); |
573 |
|
break; |
574 |
|
case 'b': /* bounces */ |
575 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
576 |
< |
sprintf(buf, "ambient bounces (%d): ", |
462 |
< |
ambounce); |
463 |
< |
(*dev->comout)(buf); |
464 |
< |
(*dev->comin)(buf, NULL); |
465 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
466 |
< |
break; |
467 |
< |
} |
468 |
< |
ambounce = i0; |
575 |
> |
getparam(s+2, "ambient bounces", 'i', |
576 |
> |
(void *)&ambounce); |
577 |
|
break; |
578 |
|
case 'r': |
579 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
580 |
< |
sprintf(buf, "ambient resolution (%d): ", |
581 |
< |
ambres); |
474 |
< |
(*dev->comout)(buf); |
475 |
< |
(*dev->comin)(buf, NULL); |
476 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
477 |
< |
break; |
478 |
< |
} |
479 |
< |
ambres = i0; |
480 |
< |
minarad = ambres > 0 ? thescene.cusize/ambres : 0.0; |
579 |
> |
if (getparam(s+2, "ambient resolution", 'i', |
580 |
> |
(void *)&ambres)) |
581 |
> |
setambres(ambres); |
582 |
|
break; |
583 |
|
default: |
584 |
|
goto badparam; |
585 |
|
} |
586 |
|
break; |
587 |
< |
case 's': /* sample */ |
587 |
> |
case 'm': /* medium */ |
588 |
|
switch (s[1]) { |
589 |
< |
case 'p': /* pixel */ |
590 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
591 |
< |
sprintf(buf, "sample pixel (%d): ", psample); |
491 |
< |
(*dev->comout)(buf); |
492 |
< |
(*dev->comin)(buf, NULL); |
493 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
494 |
< |
break; |
495 |
< |
} |
496 |
< |
psample = i0; |
497 |
< |
pdepth = 0; |
589 |
> |
case 'e': /* extinction coefficient */ |
590 |
> |
getparam(s+2, "extinction coefficient", 'C', |
591 |
> |
(void *)cextinction); |
592 |
|
break; |
593 |
+ |
case 'a': /* scattering albedo */ |
594 |
+ |
getparam(s+2, "scattering albedo", 'C', |
595 |
+ |
(void *)salbedo); |
596 |
+ |
break; |
597 |
+ |
case 'g': /* scattering eccentricity */ |
598 |
+ |
getparam(s+2, "scattering eccentricity", 'r', |
599 |
+ |
(void *)&seccg); |
600 |
+ |
break; |
601 |
+ |
case 's': /* sampling distance */ |
602 |
+ |
getparam(s+2, "mist sampling distance", 'r', |
603 |
+ |
(void *)&ssampdist); |
604 |
+ |
break; |
605 |
+ |
default: |
606 |
+ |
goto badparam; |
607 |
+ |
} |
608 |
+ |
break; |
609 |
+ |
case 'p': /* pixel */ |
610 |
+ |
switch (s[1]) { |
611 |
+ |
case 's': /* sample */ |
612 |
+ |
if (getparam(s+2, "pixel sample", 'i', |
613 |
+ |
(void *)&psample)) |
614 |
+ |
pdepth = 0; |
615 |
+ |
break; |
616 |
|
case 't': /* threshold */ |
617 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
618 |
< |
sprintf(buf, "sample threshold (%.6g): ", |
619 |
< |
maxdiff); |
503 |
< |
(*dev->comout)(buf); |
504 |
< |
(*dev->comin)(buf, NULL); |
505 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
506 |
< |
break; |
507 |
< |
} |
508 |
< |
maxdiff = d0; |
509 |
< |
pdepth = 0; |
617 |
> |
if (getparam(s+2, "pixel threshold", 'r', |
618 |
> |
(void *)&maxdiff)) |
619 |
> |
pdepth = 0; |
620 |
|
break; |
621 |
|
default: |
622 |
|
goto badparam; |
623 |
|
} |
624 |
|
break; |
625 |
+ |
case 's': /* specular */ |
626 |
+ |
switch (s[1]) { |
627 |
+ |
case 'j': /* jitter */ |
628 |
+ |
getparam(s+2, "specular jitter", 'r', |
629 |
+ |
(void *)&specjitter); |
630 |
+ |
break; |
631 |
+ |
case 't': /* threshold */ |
632 |
+ |
getparam(s+2, "specular threshold", 'r', |
633 |
+ |
(void *)&specthresh); |
634 |
+ |
break; |
635 |
+ |
default: |
636 |
+ |
goto badparam; |
637 |
+ |
} |
638 |
+ |
break; |
639 |
|
case '\0': /* nothing */ |
640 |
|
break; |
641 |
|
default:; |
642 |
|
badparam: |
643 |
+ |
*sskip(s) = '\0'; |
644 |
|
sprintf(errmsg, "%s: unknown variable", s); |
645 |
|
error(COMMAND, errmsg); |
646 |
|
break; |
648 |
|
} |
649 |
|
|
650 |
|
|
651 |
+ |
extern void |
652 |
|
traceray(s) /* trace a single ray */ |
653 |
|
char *s; |
654 |
|
{ |
655 |
|
char buf[128]; |
656 |
|
int x, y; |
657 |
+ |
OBJREC *ino; |
658 |
|
RAY thisray; |
659 |
|
|
660 |
< |
if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
534 |
< |
&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
535 |
< |
&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
660 |
> |
thisray.rmax = 0.0; |
661 |
|
|
662 |
+ |
if (!sscanvec(s, thisray.rorg) || |
663 |
+ |
!sscanvec(sskip2(s,3), thisray.rdir)) { |
664 |
+ |
|
665 |
|
if (dev->getcur == NULL) |
666 |
|
return; |
667 |
|
(*dev->comout)("Pick ray\n"); |
668 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
669 |
|
return; |
670 |
|
|
671 |
< |
viewray(thisray.rorg, thisray.rdir, &ourview, |
672 |
< |
(x+.5)/hresolu, (y+.5)/vresolu); |
673 |
< |
|
671 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
672 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
673 |
> |
error(COMMAND, "not on image"); |
674 |
> |
return; |
675 |
> |
} |
676 |
> |
|
677 |
|
} else if (normalize(thisray.rdir) == 0.0) { |
678 |
|
error(COMMAND, "zero ray direction"); |
679 |
|
return; |
686 |
|
if (thisray.ro == NULL) |
687 |
|
(*dev->comout)("ray hit nothing"); |
688 |
|
else { |
689 |
< |
sprintf(buf, "ray hit %s %s \"%s\"", |
690 |
< |
objptr(thisray.ro->omod)->oname, |
689 |
> |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
690 |
> |
thisray.rod < 0.0 ? "back of " : "", |
691 |
> |
thisray.ro->omod == OVOID ? VOIDID : |
692 |
> |
objptr(thisray.ro->omod)->oname, |
693 |
|
ofun[thisray.ro->otype].funame, |
694 |
|
thisray.ro->oname); |
695 |
+ |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
696 |
+ |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
697 |
+ |
ofun[ino->otype].funame, ino->oname); |
698 |
|
(*dev->comout)(buf); |
699 |
|
(*dev->comin)(buf, NULL); |
700 |
|
if (thisray.rot >= FHUGE) |
701 |
|
(*dev->comout)("at infinity"); |
702 |
|
else { |
703 |
< |
sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
704 |
< |
thisray.rop[1], thisray.rop[2]); |
703 |
> |
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
704 |
> |
thisray.rop[0], thisray.rop[1], |
705 |
> |
thisray.rop[2], thisray.rt); |
706 |
|
(*dev->comout)(buf); |
707 |
|
} |
708 |
|
(*dev->comin)(buf, NULL); |
709 |
< |
sprintf(buf, "with value (%.6g %.6g %.6g)", |
709 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
710 |
|
colval(thisray.rcol,RED), |
711 |
|
colval(thisray.rcol,GRN), |
712 |
< |
colval(thisray.rcol,BLU)); |
712 |
> |
colval(thisray.rcol,BLU), |
713 |
> |
luminance(thisray.rcol)); |
714 |
|
(*dev->comout)(buf); |
715 |
|
} |
716 |
|
(*dev->comin)(buf, NULL); |
717 |
|
} |
718 |
|
|
719 |
|
|
720 |
+ |
extern void |
721 |
|
writepict(s) /* write the picture to a file */ |
722 |
|
char *s; |
723 |
|
{ |
727 |
|
COLR *scanline; |
728 |
|
int y; |
729 |
|
|
730 |
< |
if (sscanf(s, "%s", buf) != 1 && buf[0] == '\0') { |
730 |
> |
while (isspace(*s)) |
731 |
> |
s++; |
732 |
> |
if (*s) |
733 |
> |
atos(buf, sizeof(buf), s); |
734 |
> |
else if (buf[0] == '\0') { |
735 |
|
error(COMMAND, "no file"); |
736 |
|
return; |
737 |
|
} |
741 |
|
error(COMMAND, errmsg); |
742 |
|
return; |
743 |
|
} |
744 |
+ |
SET_FILE_BINARY(fp); |
745 |
|
(*dev->comout)("writing \""); |
746 |
|
(*dev->comout)(fname); |
747 |
|
(*dev->comout)("\"...\n"); |
748 |
|
/* write header */ |
749 |
+ |
newheader("RADIANCE", fp); |
750 |
|
fputs(progname, fp); |
751 |
|
fprintview(&ourview, fp); |
752 |
< |
putc('\n', fp); |
752 |
> |
if (octname != NULL) |
753 |
> |
fprintf(fp, " %s\n", octname); |
754 |
> |
else |
755 |
> |
putc('\n', fp); |
756 |
> |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
757 |
> |
fputnow(fp); |
758 |
|
if (exposure != 1.0) |
759 |
|
fputexpos(exposure, fp); |
760 |
|
if (dev->pixaspect != 1.0) |
761 |
|
fputaspect(dev->pixaspect, fp); |
762 |
+ |
fputformat(COLRFMT, fp); |
763 |
|
putc('\n', fp); |
764 |
< |
fputresolu(YMAJOR|YDECR, hresolu, vresolu, fp); |
764 |
> |
fprtresolu(hresolu, vresolu, fp); |
765 |
|
|
766 |
|
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
767 |
< |
if (scanline == NULL) |
768 |
< |
error(SYSTEM, "out of memory in writepict"); |
767 |
> |
if (scanline == NULL) { |
768 |
> |
error(COMMAND, "not enough memory!"); |
769 |
> |
fclose(fp); |
770 |
> |
unlink(fname); |
771 |
> |
return; |
772 |
> |
} |
773 |
|
for (y = vresolu-1; y >= 0; y--) { |
774 |
|
getpictcolrs(y, scanline, &ptrunk, hresolu, vresolu); |
775 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
776 |
|
break; |
777 |
|
} |
778 |
+ |
free((void *)scanline); |
779 |
|
if (fclose(fp) < 0) |
780 |
|
error(COMMAND, "write error"); |
625 |
– |
free((char *)scanline); |
781 |
|
} |