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/* Copyright (c) 1987 Regents of the University of California */ |
2 |
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|
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
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* rv2.c - command routines used in tracing a view. |
6 |
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* |
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* 3/24/87 |
7 |
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* External symbols declared in rpaint.h |
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*/ |
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|
10 |
< |
#include "ray.h" |
10 |
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#include "copyright.h" |
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|
12 |
< |
#include "octree.h" |
12 |
> |
#include <ctype.h> |
13 |
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#include <string.h> |
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|
15 |
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#include "platform.h" |
16 |
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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 */ |
23 |
> |
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 */ |
34 |
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|
35 |
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extern char *progname; |
36 |
+ |
extern char *octname; |
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|
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|
39 |
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getframe(s) /* get a new frame */ |
40 |
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char *s; |
39 |
> |
void |
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> |
getframe( /* get a new frame */ |
41 |
> |
char *s |
42 |
> |
) |
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{ |
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int x0, y0, x1, y1; |
32 |
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|
33 |
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if (!strcmp("all", s)) { |
34 |
< |
pframe.l = pframe.d = 0; |
35 |
< |
pframe.r = ourview.hresolu; |
36 |
< |
pframe.u = ourview.vresolu; |
37 |
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pdepth = 0; |
44 |
> |
if (getrect(s, &pframe) < 0) |
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return; |
39 |
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} |
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if (sscanf(s, "%d %d %d %d", &x0, &y0, &x1, &y1) != 4) { |
41 |
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if (dev->getcur == NULL) |
42 |
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return; |
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(*dev->comout)("Pick first corner\n"); |
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if ((*dev->getcur)(&x0, &y0) == ABORT) |
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return; |
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(*dev->comout)("Pick second corner\n"); |
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if ((*dev->getcur)(&x1, &y1) == ABORT) |
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return; |
49 |
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} |
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if (x0 < x1) { |
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pframe.l = x0; |
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pframe.r = x1; |
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} else { |
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pframe.l = x1; |
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pframe.r = x0; |
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} |
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if (y0 < y1) { |
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pframe.d = y0; |
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pframe.u = y1; |
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} else { |
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pframe.d = y1; |
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pframe.u = y0; |
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} |
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if (pframe.l < 0) pframe.l = 0; |
65 |
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if (pframe.d < 0) pframe.d = 0; |
66 |
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if (pframe.r > ourview.hresolu) pframe.r = ourview.hresolu; |
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if (pframe.u > ourview.vresolu) pframe.u = ourview.vresolu; |
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if (pframe.l > pframe.r) pframe.l = pframe.r; |
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if (pframe.d > pframe.u) pframe.d = pframe.u; |
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pdepth = 0; |
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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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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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if (getrect(s, &box) < 0) |
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return; |
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paintrect(&ptrunk, &box); |
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} |
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|
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|
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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 */ |
77 |
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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; |
82 |
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} |
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if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
84 |
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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); |
92 |
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fputs(sskip(s), fp); |
93 |
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putc('\n', fp); |
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fclose(fp); |
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return; |
96 |
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} |
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sprintf(buf, "view type (%c): ", ourview.type); |
98 |
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(*dev->comout)(buf); |
99 |
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(*dev->comin)(buf); |
100 |
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if (buf[0] == CTRL(C)) return; |
99 |
> |
(*dev->comin)(buf, NULL); |
100 |
> |
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++; |
104 |
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} else |
104 |
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nv.type = ourview.type; |
104 |
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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]); |
107 |
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(*dev->comout)(buf); |
108 |
< |
(*dev->comin)(buf); |
109 |
< |
if (buf[0] == CTRL(C)) return; |
110 |
< |
if (sscanf(buf, "%lf %lf %lf", &nv.vp[0], &nv.vp[1], &nv.vp[2]) == 3) |
108 |
> |
(*dev->comin)(buf, NULL); |
109 |
> |
if (buf[0] == CTRL('C')) return; |
110 |
> |
if (sscanvec(buf, nv.vp)) |
111 |
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change++; |
112 |
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else |
113 |
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VCOPY(nv.vp, ourview.vp); |
112 |
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sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
113 |
< |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
113 |
> |
ourview.vdir[0]*ourview.vdist, |
114 |
> |
ourview.vdir[1]*ourview.vdist, |
115 |
> |
ourview.vdir[2]*ourview.vdist); |
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(*dev->comout)(buf); |
117 |
< |
(*dev->comin)(buf); |
118 |
< |
if (buf[0] == CTRL(C)) return; |
119 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vdir[0],&nv.vdir[1],&nv.vdir[2]) == 3) |
117 |
> |
(*dev->comin)(buf, NULL); |
118 |
> |
if (buf[0] == CTRL('C')) return; |
119 |
> |
if (sscanvec(buf, nv.vdir)) { |
120 |
> |
nv.vdist = 1.; |
121 |
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change++; |
122 |
< |
else |
122 |
< |
VCOPY(nv.vdir, ourview.vdir); |
122 |
> |
} |
123 |
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sprintf(buf, "view up (%.6g %.6g %.6g): ", |
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ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
125 |
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(*dev->comout)(buf); |
126 |
< |
(*dev->comin)(buf); |
127 |
< |
if (buf[0] == CTRL(C)) return; |
128 |
< |
if (sscanf(buf,"%lf %lf %lf",&nv.vup[0],&nv.vup[1],&nv.vup[2]) == 3) |
126 |
> |
(*dev->comin)(buf, NULL); |
127 |
> |
if (buf[0] == CTRL('C')) return; |
128 |
> |
if (sscanvec(buf, nv.vup)) |
129 |
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change++; |
130 |
– |
else |
131 |
– |
VCOPY(nv.vup, ourview.vup); |
130 |
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sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
131 |
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ourview.horiz, ourview.vert); |
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(*dev->comout)(buf); |
133 |
< |
(*dev->comin)(buf); |
134 |
< |
if (buf[0] == CTRL(C)) return; |
133 |
> |
(*dev->comin)(buf, NULL); |
134 |
> |
if (buf[0] == CTRL('C')) return; |
135 |
|
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; |
141 |
< |
} |
142 |
< |
sprintf(buf, "x and y resolution (%d %d): ", |
143 |
< |
ourview.hresolu, ourview.vresolu); |
137 |
> |
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
138 |
> |
ourview.vfore, ourview.vaft); |
139 |
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(*dev->comout)(buf); |
140 |
< |
(*dev->comin)(buf); |
141 |
< |
if (buf[0] == CTRL(C)) return; |
142 |
< |
if (sscanf(buf, "%d %d", &nv.hresolu, &nv.vresolu) == 2) |
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++; |
144 |
< |
else { |
145 |
< |
nv.hresolu = ourview.hresolu; nv.vresolu = ourview.vresolu; |
146 |
< |
} |
144 |
> |
sprintf(buf, "view shift and lift (%.6g %.6g): ", |
145 |
> |
ourview.hoff, ourview.voff); |
146 |
> |
(*dev->comout)(buf); |
147 |
> |
(*dev->comin)(buf, NULL); |
148 |
> |
if (buf[0] == CTRL('C')) return; |
149 |
> |
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
150 |
> |
change++; |
151 |
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if (change) |
152 |
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newview(&nv); |
153 |
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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 |
> |
void |
157 |
> |
lastview( /* return to a previous view */ |
158 |
> |
char *s |
159 |
> |
) |
160 |
|
{ |
161 |
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char buf[128]; |
162 |
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char *fname; |
164 |
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VIEW nv; |
165 |
|
|
166 |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
167 |
< |
bcopy(&stdview, &nv, sizeof(VIEW)); |
168 |
< |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
169 |
< |
(success = viewfile(fname, &nv)) == -1) { |
167 |
> |
nv = stdview; |
168 |
> |
if ((fname = getpath(buf, "", R_OK)) == NULL || |
169 |
> |
(success = viewfile(fname, &nv, NULL)) == -1) { |
170 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
171 |
|
error(COMMAND, errmsg); |
172 |
|
return; |
177 |
|
newview(&nv); |
178 |
|
return; |
179 |
|
} |
180 |
< |
if (oldview.hresolu == 0) { /* no old view! */ |
180 |
> |
if (oldview.type == 0) { /* no old view! */ |
181 |
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error(COMMAND, "no previous view"); |
182 |
|
return; |
183 |
|
} |
184 |
< |
bcopy(&ourview, &nv, sizeof(VIEW)); |
185 |
< |
bcopy(&oldview, &ourview, sizeof(VIEW)); |
186 |
< |
bcopy(&nv, &oldview, sizeof(VIEW)); |
187 |
< |
newimage(); |
184 |
> |
nv = ourview; |
185 |
> |
ourview = oldview; |
186 |
> |
oldview = nv; |
187 |
> |
newimage(NULL); |
188 |
|
} |
189 |
|
|
190 |
|
|
191 |
< |
getinterest(s, direc, vec, mp) /* get area of interest */ |
192 |
< |
char *s; |
193 |
< |
int direc; |
194 |
< |
FVECT vec; |
194 |
< |
double *mp; |
191 |
> |
void |
192 |
> |
saveview( /* save view to rad file */ |
193 |
> |
char *s |
194 |
> |
) |
195 |
|
{ |
196 |
< |
int x, y; |
197 |
< |
RAY thisray; |
198 |
< |
register int i; |
196 |
> |
char view[64]; |
197 |
> |
char *fname; |
198 |
> |
FILE *fp; |
199 |
|
|
200 |
< |
if (sscanf(s, "%lf", mp) != 1) |
201 |
< |
*mp = 1.0; |
202 |
< |
else if (*mp < -FTINY) /* negative zoom is reduction */ |
203 |
< |
*mp = -1.0 / *mp; |
204 |
< |
else if (*mp <= FTINY) { /* too small */ |
205 |
< |
error(COMMAND, "illegal magnification"); |
206 |
< |
return(-1); |
207 |
< |
} |
208 |
< |
if (sscanf(s, "%*lf %lf %lf %lf", &vec[0], &vec[1], &vec[2]) != 3) { |
209 |
< |
if (dev->getcur == NULL) |
210 |
< |
return(-1); |
211 |
< |
(*dev->comout)("Pick view center\n"); |
212 |
< |
if ((*dev->getcur)(&x, &y) == ABORT) |
213 |
< |
return(-1); |
214 |
< |
rayview(thisray.rorg, thisray.rdir, &ourview, x+.5, y+.5); |
215 |
< |
if (!direc || ourview.type == VT_PAR) { |
216 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
217 |
< |
if (!localhit(&thisray, &thescene)) { |
218 |
< |
error(COMMAND, "not a local object"); |
219 |
< |
return(-1); |
220 |
< |
} |
200 |
> |
if (*atos(view, sizeof(view), s)) { |
201 |
> |
if (isint(view)) { |
202 |
> |
error(COMMAND, "cannot write view by number"); |
203 |
> |
return; |
204 |
|
} |
205 |
< |
if (direc) |
206 |
< |
if (ourview.type == VT_PAR) |
207 |
< |
for (i = 0; i < 3; i++) |
208 |
< |
vec[i] = thisray.rop[i] - ourview.vp[i]; |
209 |
< |
else |
210 |
< |
VCOPY(vec, thisray.rdir); |
211 |
< |
else |
212 |
< |
VCOPY(vec, thisray.rop); |
213 |
< |
} else if (direc) |
214 |
< |
for (i = 0; i < 3; i++) |
215 |
< |
vec[i] -= ourview.vp[i]; |
216 |
< |
return(0); |
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 |
< |
getaim(s) /* aim camera */ |
230 |
< |
char *s; |
229 |
> |
void |
230 |
> |
loadview( /* load view from rad file */ |
231 |
> |
char *s |
232 |
> |
) |
233 |
|
{ |
234 |
< |
extern double tan(), atan(); |
235 |
< |
double zfact; |
234 |
> |
char buf[512]; |
235 |
> |
char *fname; |
236 |
> |
FILE *fp; |
237 |
|
VIEW nv; |
238 |
|
|
239 |
< |
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
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; |
246 |
– |
VCOPY(nv.vp, ourview.vp); |
247 |
– |
VCOPY(nv.vup, ourview.vup); |
248 |
– |
nv.hresolu = ourview.hresolu; nv.vresolu = ourview.vresolu; |
249 |
– |
if ((nv.type = ourview.type) == VT_PAR) { |
250 |
– |
nv.horiz = ourview.horiz / zfact; |
251 |
– |
nv.vert = ourview.vert / zfact; |
252 |
– |
} else { |
253 |
– |
nv.horiz = atan(tan(ourview.horiz*(PI/180./2.))/zfact) / |
254 |
– |
(PI/180./2.); |
255 |
– |
nv.vert = atan(tan(ourview.vert*(PI/180./2.))/zfact) / |
256 |
– |
(PI/180./2.); |
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 |
< |
getmove(s) /* move camera */ |
273 |
< |
char *s; |
272 |
> |
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; |
282 |
+ |
zoomview(&nv, zfact); |
283 |
+ |
newview(&nv); |
284 |
+ |
} |
285 |
+ |
|
286 |
+ |
|
287 |
+ |
void |
288 |
+ |
getfocus( /* set focus distance */ |
289 |
+ |
char *s |
290 |
+ |
) |
291 |
+ |
{ |
292 |
+ |
char buf[64]; |
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 |
+ |
sprintf(buf, "Focus distance set to %f\n", dist); |
320 |
+ |
(*dev->comout)(buf); |
321 |
+ |
} |
322 |
+ |
|
323 |
+ |
|
324 |
+ |
void |
325 |
+ |
getmove( /* move camera */ |
326 |
+ |
char *s |
327 |
+ |
) |
328 |
+ |
{ |
329 |
|
FVECT vc; |
330 |
|
double mag; |
331 |
|
|
335 |
|
} |
336 |
|
|
337 |
|
|
338 |
< |
getrotate(s) /* rotate camera */ |
339 |
< |
char *s; |
338 |
> |
void |
339 |
> |
getrotate( /* rotate camera */ |
340 |
> |
char *s |
341 |
> |
) |
342 |
|
{ |
343 |
< |
extern double normalize(), tan(), atan(); |
278 |
< |
VIEW nv; |
343 |
> |
VIEW nv = ourview; |
344 |
|
FVECT v1; |
345 |
|
double angle, elev, zfact; |
346 |
|
|
349 |
|
error(COMMAND, "missing angle"); |
350 |
|
return; |
351 |
|
} |
287 |
– |
VCOPY(nv.vp, ourview.vp); |
288 |
– |
VCOPY(nv.vup, ourview.vup); |
289 |
– |
nv.hresolu = ourview.hresolu; nv.vresolu = ourview.vresolu; |
352 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
353 |
|
if (elev != 0.0) { |
354 |
|
fcross(v1, nv.vdir, ourview.vup); |
355 |
|
normalize(v1); |
356 |
|
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
357 |
|
} |
358 |
< |
if ((nv.type = ourview.type) == VT_PAR) { |
297 |
< |
nv.horiz = ourview.horiz / zfact; |
298 |
< |
nv.vert = ourview.vert / zfact; |
299 |
< |
} else { |
300 |
< |
nv.horiz = atan(tan(ourview.horiz*(PI/180./2.))/zfact) / |
301 |
< |
(PI/180./2.); |
302 |
< |
nv.vert = atan(tan(ourview.vert*(PI/180./2.))/zfact) / |
303 |
< |
(PI/180./2.); |
304 |
< |
} |
358 |
> |
zoomview(&nv, zfact); |
359 |
|
newview(&nv); |
360 |
|
} |
361 |
|
|
362 |
|
|
363 |
< |
getpivot(s) /* pivot viewpoint */ |
364 |
< |
register char *s; |
363 |
> |
void |
364 |
> |
getpivot( /* pivot viewpoint */ |
365 |
> |
char *s |
366 |
> |
) |
367 |
|
{ |
368 |
|
FVECT vc; |
369 |
|
double angle, elev, mag; |
373 |
|
error(COMMAND, "missing angle"); |
374 |
|
return; |
375 |
|
} |
376 |
< |
if (getinterest(sskip(sskip(s)), 0, vc, &mag) < 0) |
376 |
> |
if (getinterest(sskip2(s,2), 0, vc, &mag) < 0) |
377 |
|
return; |
378 |
|
moveview(angle, elev, mag, vc); |
379 |
|
} |
380 |
|
|
381 |
|
|
382 |
< |
getexposure(s) /* get new exposure */ |
383 |
< |
char *s; |
382 |
> |
void |
383 |
> |
getexposure( /* get new exposure */ |
384 |
> |
char *s |
385 |
> |
) |
386 |
|
{ |
329 |
– |
double atof(), pow(), fabs(); |
387 |
|
char buf[128]; |
388 |
< |
register char *cp; |
332 |
< |
register PNODE *p; |
333 |
< |
RECT r; |
388 |
> |
char *cp; |
389 |
|
int x, y; |
390 |
< |
double e; |
390 |
> |
PNODE *p = &ptrunk; |
391 |
> |
int adapt = 0; |
392 |
> |
double e = 1.0; |
393 |
|
|
394 |
|
for (cp = s; isspace(*cp); cp++) |
395 |
|
; |
396 |
+ |
if (*cp == '@') { |
397 |
+ |
adapt++; |
398 |
+ |
while (isspace(*++cp)) |
399 |
+ |
; |
400 |
+ |
} |
401 |
|
if (*cp == '\0') { /* normalize to point */ |
402 |
|
if (dev->getcur == NULL) |
403 |
|
return; |
404 |
|
(*dev->comout)("Pick point for exposure\n"); |
405 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
406 |
|
return; |
407 |
< |
r.l = r.d = 0; |
346 |
< |
r.r = ourview.hresolu; r.u = ourview.vresolu; |
347 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
348 |
< |
e = 1.0; |
407 |
> |
p = findrect(x, y, &ptrunk, -1); |
408 |
|
} else { |
409 |
|
if (*cp == '=') { /* absolute setting */ |
410 |
|
p = NULL; |
412 |
|
for (cp++; isspace(*cp); cp++) |
413 |
|
; |
414 |
|
if (*cp == '\0') { /* interactive */ |
415 |
< |
sprintf(buf, "exposure (%lf): ", exposure); |
415 |
> |
sprintf(buf, "exposure (%f): ", exposure); |
416 |
|
(*dev->comout)(buf); |
417 |
< |
(*dev->comin)(buf); |
417 |
> |
(*dev->comin)(buf, NULL); |
418 |
|
for (cp = buf; isspace(*cp); cp++) |
419 |
|
; |
420 |
|
if (*cp == '\0') |
421 |
|
return; |
422 |
|
} |
364 |
– |
} else { /* normalize to average */ |
365 |
– |
p = &ptrunk; |
366 |
– |
e = 1.0; |
423 |
|
} |
424 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
425 |
|
e *= pow(2.0, atof(cp)); |
427 |
|
e *= atof(cp); |
428 |
|
} |
429 |
|
if (p != NULL) { /* relative setting */ |
430 |
< |
if (bright(p->v) <= FTINY) { |
430 |
> |
if (bright(p->v) < 1e-15) { |
431 |
|
error(COMMAND, "cannot normalize to zero"); |
432 |
|
return; |
433 |
|
} |
434 |
< |
e *= 0.5 / bright(p->v); |
434 |
> |
if (adapt) |
435 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
436 |
> |
else |
437 |
> |
e *= 0.5 / bright(p->v); |
438 |
|
} |
439 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
440 |
|
return; |
443 |
|
redraw(); |
444 |
|
} |
445 |
|
|
446 |
+ |
typedef union {int i; double d; COLOR C;} *MyUptr; |
447 |
|
|
448 |
< |
setparam(s) /* get/set program parameter */ |
449 |
< |
register char *s; |
448 |
> |
int |
449 |
> |
getparam( /* get variable from user */ |
450 |
> |
char *str, |
451 |
> |
char *dsc, |
452 |
> |
int typ, |
453 |
> |
void *p |
454 |
> |
) |
455 |
|
{ |
456 |
< |
extern int psample; |
392 |
< |
extern double maxdiff; |
393 |
< |
extern double minweight; |
394 |
< |
extern int maxdepth; |
395 |
< |
extern double dstrsrc; |
396 |
< |
extern double shadthresh; |
397 |
< |
extern double shadcert; |
398 |
< |
extern COLOR ambval; |
399 |
< |
extern double ambacc; |
400 |
< |
extern double minarad; |
401 |
< |
extern int ambres; |
402 |
< |
extern int ambdiv; |
403 |
< |
extern int ambssamp; |
404 |
< |
extern int ambounce; |
456 |
> |
MyUptr ptr = (MyUptr)p; |
457 |
|
int i0; |
458 |
|
double d0, d1, d2; |
459 |
+ |
char buf[48]; |
460 |
+ |
|
461 |
+ |
switch (typ) { |
462 |
+ |
case 'i': /* integer */ |
463 |
+ |
if (sscanf(str, "%d", &i0) != 1) { |
464 |
+ |
(*dev->comout)(dsc); |
465 |
+ |
sprintf(buf, " (%d): ", ptr->i); |
466 |
+ |
(*dev->comout)(buf); |
467 |
+ |
(*dev->comin)(buf, NULL); |
468 |
+ |
if (sscanf(buf, "%d", &i0) != 1) |
469 |
+ |
return(0); |
470 |
+ |
} |
471 |
+ |
ptr->i = i0; |
472 |
+ |
break; |
473 |
+ |
case 'r': /* real */ |
474 |
+ |
if (sscanf(str, "%lf", &d0) != 1) { |
475 |
+ |
(*dev->comout)(dsc); |
476 |
+ |
sprintf(buf, " (%.6g): ", ptr->d); |
477 |
+ |
(*dev->comout)(buf); |
478 |
+ |
(*dev->comin)(buf, NULL); |
479 |
+ |
if (sscanf(buf, "%lf", &d0) != 1) |
480 |
+ |
return(0); |
481 |
+ |
} |
482 |
+ |
ptr->d = d0; |
483 |
+ |
break; |
484 |
+ |
case 'b': /* boolean */ |
485 |
+ |
if (sscanf(str, "%1s", buf) != 1) { |
486 |
+ |
(*dev->comout)(dsc); |
487 |
+ |
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
488 |
+ |
(*dev->comout)(buf); |
489 |
+ |
(*dev->comin)(buf, NULL); |
490 |
+ |
if (buf[0] == '\0' || |
491 |
+ |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
492 |
+ |
return(0); |
493 |
+ |
} |
494 |
+ |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
495 |
+ |
break; |
496 |
+ |
case 'C': /* color */ |
497 |
+ |
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
498 |
+ |
(*dev->comout)(dsc); |
499 |
+ |
sprintf(buf, " (%.6g %.6g %.6g): ", |
500 |
+ |
colval(ptr->C,RED), |
501 |
+ |
colval(ptr->C,GRN), |
502 |
+ |
colval(ptr->C,BLU)); |
503 |
+ |
(*dev->comout)(buf); |
504 |
+ |
(*dev->comin)(buf, NULL); |
505 |
+ |
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
506 |
+ |
return(0); |
507 |
+ |
} |
508 |
+ |
setcolor(ptr->C, d0, d1, d2); |
509 |
+ |
break; |
510 |
+ |
default: |
511 |
+ |
return(0); /* shouldn't happen */ |
512 |
+ |
} |
513 |
+ |
newparam++; |
514 |
+ |
return(1); |
515 |
+ |
} |
516 |
+ |
|
517 |
+ |
|
518 |
+ |
void |
519 |
+ |
setparam( /* get/set program parameter */ |
520 |
+ |
char *s |
521 |
+ |
) |
522 |
+ |
{ |
523 |
|
char buf[128]; |
524 |
|
|
525 |
|
if (s[0] == '\0') { |
526 |
< |
(*dev->comout)("aa ab ad ar as av dc dj dt lr lw sp st: "); |
527 |
< |
(*dev->comin)(buf); |
526 |
> |
(*dev->comout)( |
527 |
> |
"aa ab ad ar as av aw b bv dc dv dj ds dt i lr lw me ma mg ms ps pt sj st u: "); |
528 |
> |
(*dev->comin)(buf, NULL); |
529 |
|
s = buf; |
530 |
|
} |
531 |
|
switch (s[0]) { |
532 |
+ |
case 'u': /* uncorrelated sampling */ |
533 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
534 |
+ |
(void *)&rand_samp); |
535 |
+ |
break; |
536 |
|
case 'l': /* limit */ |
537 |
|
switch (s[1]) { |
538 |
|
case 'w': /* weight */ |
539 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
540 |
< |
sprintf(buf, "limit weight (%.6g): ", |
420 |
< |
minweight); |
421 |
< |
(*dev->comout)(buf); |
422 |
< |
(*dev->comin)(buf); |
423 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
424 |
< |
break; |
425 |
< |
} |
426 |
< |
minweight = d0; |
539 |
> |
getparam(s+2, "limit weight", 'r', |
540 |
> |
(void *)&minweight); |
541 |
|
break; |
542 |
|
case 'r': /* reflection */ |
543 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
544 |
< |
sprintf(buf, "limit reflection (%d): ", |
431 |
< |
maxdepth); |
432 |
< |
(*dev->comout)(buf); |
433 |
< |
(*dev->comin)(buf); |
434 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
435 |
< |
break; |
436 |
< |
} |
437 |
< |
maxdepth = i0; |
543 |
> |
getparam(s+2, "limit reflection", 'i', |
544 |
> |
(void *)&maxdepth); |
545 |
|
break; |
546 |
|
default: |
547 |
|
goto badparam; |
550 |
|
case 'd': /* direct */ |
551 |
|
switch (s[1]) { |
552 |
|
case 'j': /* jitter */ |
553 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
554 |
< |
sprintf(buf, "direct jitter (%.6g): ", |
448 |
< |
dstrsrc); |
449 |
< |
(*dev->comout)(buf); |
450 |
< |
(*dev->comin)(buf); |
451 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
452 |
< |
break; |
453 |
< |
} |
454 |
< |
dstrsrc = d0; |
553 |
> |
getparam(s+2, "direct jitter", 'r', |
554 |
> |
(void *)&dstrsrc); |
555 |
|
break; |
556 |
|
case 'c': /* certainty */ |
557 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
558 |
< |
sprintf(buf, "direct certainty (%.6g): ", |
459 |
< |
shadcert); |
460 |
< |
(*dev->comout)(buf); |
461 |
< |
(*dev->comin)(buf); |
462 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
463 |
< |
break; |
464 |
< |
} |
465 |
< |
shadcert = d0; |
557 |
> |
getparam(s+2, "direct certainty", 'r', |
558 |
> |
(void *)&shadcert); |
559 |
|
break; |
560 |
|
case 't': /* threshold */ |
561 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
562 |
< |
sprintf(buf, "direct threshold (%.6g): ", |
470 |
< |
shadthresh); |
471 |
< |
(*dev->comout)(buf); |
472 |
< |
(*dev->comin)(buf); |
473 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
474 |
< |
break; |
475 |
< |
} |
476 |
< |
shadthresh = d0; |
561 |
> |
getparam(s+2, "direct threshold", 'r', |
562 |
> |
(void *)&shadthresh); |
563 |
|
break; |
564 |
+ |
case 'v': /* visibility */ |
565 |
+ |
getparam(s+2, "direct visibility", 'b', |
566 |
+ |
(void *)&directvis); |
567 |
+ |
break; |
568 |
+ |
case 's': /* sampling */ |
569 |
+ |
getparam(s+2, "direct sampling", 'r', |
570 |
+ |
(void *)&srcsizerat); |
571 |
+ |
break; |
572 |
|
default: |
573 |
|
goto badparam; |
574 |
|
} |
575 |
|
break; |
576 |
+ |
case 'b': /* back faces or black and white */ |
577 |
+ |
switch (s[1]) { |
578 |
+ |
case 'v': /* back face visibility */ |
579 |
+ |
getparam(s+2, "back face visibility", 'b', |
580 |
+ |
(void *)&backvis); |
581 |
+ |
break; |
582 |
+ |
case '\0': /* black and white */ |
583 |
+ |
case ' ': |
584 |
+ |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
585 |
+ |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
586 |
+ |
getparam(s+1, "black and white", 'b', |
587 |
+ |
(void *)&greyscale); |
588 |
+ |
break; |
589 |
+ |
default: |
590 |
+ |
goto badparam; |
591 |
+ |
} |
592 |
+ |
break; |
593 |
+ |
case 'i': /* irradiance */ |
594 |
+ |
getparam(s+1, "irradiance", 'b', |
595 |
+ |
(void *)&do_irrad); |
596 |
+ |
break; |
597 |
|
case 'a': /* ambient */ |
598 |
|
switch (s[1]) { |
599 |
|
case 'v': /* value */ |
600 |
< |
if (sscanf(s+2, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
601 |
< |
sprintf(buf, |
487 |
< |
"ambient value (%.6g %.6g %.6g): ", |
488 |
< |
colval(ambval,RED), |
489 |
< |
colval(ambval,GRN), |
490 |
< |
colval(ambval,BLU)); |
491 |
< |
(*dev->comout)(buf); |
492 |
< |
(*dev->comin)(buf); |
493 |
< |
if (sscanf(buf, "%lf %lf %lf", |
494 |
< |
&d0, &d1, &d2) != 3) |
495 |
< |
break; |
496 |
< |
} |
497 |
< |
setcolor(ambval, d0, d1, d2); |
600 |
> |
getparam(s+2, "ambient value", 'C', |
601 |
> |
(void *)ambval); |
602 |
|
break; |
603 |
+ |
case 'w': /* weight */ |
604 |
+ |
getparam(s+2, "ambient value weight", 'i', |
605 |
+ |
(void *)&ambvwt); |
606 |
+ |
break; |
607 |
|
case 'a': /* accuracy */ |
608 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
609 |
< |
sprintf(buf, "ambient accuracy (%.6g): ", |
610 |
< |
ambacc); |
503 |
< |
(*dev->comout)(buf); |
504 |
< |
(*dev->comin)(buf); |
505 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
506 |
< |
break; |
507 |
< |
} |
508 |
< |
ambacc = d0; |
608 |
> |
if (getparam(s+2, "ambient accuracy", 'r', |
609 |
> |
(void *)&ambacc)) |
610 |
> |
setambacc(ambacc); |
611 |
|
break; |
612 |
|
case 'd': /* divisions */ |
613 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
614 |
< |
sprintf(buf, "ambient divisions (%d): ", |
513 |
< |
ambdiv); |
514 |
< |
(*dev->comout)(buf); |
515 |
< |
(*dev->comin)(buf); |
516 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
517 |
< |
break; |
518 |
< |
} |
519 |
< |
ambdiv = i0; |
613 |
> |
getparam(s+2, "ambient divisions", 'i', |
614 |
> |
(void *)&ambdiv); |
615 |
|
break; |
616 |
|
case 's': /* samples */ |
617 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
618 |
< |
sprintf(buf, "ambient super-samples (%d): ", |
524 |
< |
ambssamp); |
525 |
< |
(*dev->comout)(buf); |
526 |
< |
(*dev->comin)(buf); |
527 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
528 |
< |
break; |
529 |
< |
} |
530 |
< |
ambssamp = i0; |
617 |
> |
getparam(s+2, "ambient super-samples", 'i', |
618 |
> |
(void *)&ambssamp); |
619 |
|
break; |
620 |
|
case 'b': /* bounces */ |
621 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
622 |
< |
sprintf(buf, "ambient bounces (%d): ", |
535 |
< |
ambounce); |
536 |
< |
(*dev->comout)(buf); |
537 |
< |
(*dev->comin)(buf); |
538 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
539 |
< |
break; |
540 |
< |
} |
541 |
< |
ambounce = i0; |
621 |
> |
getparam(s+2, "ambient bounces", 'i', |
622 |
> |
(void *)&ambounce); |
623 |
|
break; |
624 |
|
case 'r': |
625 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
626 |
< |
sprintf(buf, "ambient resolution (%d): ", |
627 |
< |
ambres); |
547 |
< |
(*dev->comout)(buf); |
548 |
< |
(*dev->comin)(buf); |
549 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
550 |
< |
break; |
551 |
< |
} |
552 |
< |
ambres = i0; |
553 |
< |
minarad = ambres > 0 ? thescene.cusize/ambres : 0.0; |
625 |
> |
if (getparam(s+2, "ambient resolution", 'i', |
626 |
> |
(void *)&ambres)) |
627 |
> |
setambres(ambres); |
628 |
|
break; |
629 |
|
default: |
630 |
|
goto badparam; |
631 |
|
} |
632 |
|
break; |
633 |
< |
case 's': /* sample */ |
633 |
> |
case 'm': /* medium */ |
634 |
|
switch (s[1]) { |
635 |
< |
case 'p': /* pixel */ |
636 |
< |
if (sscanf(s+2, "%d", &i0) != 1) { |
637 |
< |
sprintf(buf, "sample pixel (%d): ", psample); |
564 |
< |
(*dev->comout)(buf); |
565 |
< |
(*dev->comin)(buf); |
566 |
< |
if (sscanf(buf, "%d", &i0) != 1) |
567 |
< |
break; |
568 |
< |
} |
569 |
< |
psample = i0; |
570 |
< |
pdepth = 0; |
635 |
> |
case 'e': /* extinction coefficient */ |
636 |
> |
getparam(s+2, "extinction coefficient", 'C', |
637 |
> |
(void *)cextinction); |
638 |
|
break; |
639 |
+ |
case 'a': /* scattering albedo */ |
640 |
+ |
getparam(s+2, "scattering albedo", 'C', |
641 |
+ |
(void *)salbedo); |
642 |
+ |
break; |
643 |
+ |
case 'g': /* scattering eccentricity */ |
644 |
+ |
getparam(s+2, "scattering eccentricity", 'r', |
645 |
+ |
(void *)&seccg); |
646 |
+ |
break; |
647 |
+ |
case 's': /* sampling distance */ |
648 |
+ |
getparam(s+2, "mist sampling distance", 'r', |
649 |
+ |
(void *)&ssampdist); |
650 |
+ |
break; |
651 |
+ |
default: |
652 |
+ |
goto badparam; |
653 |
+ |
} |
654 |
+ |
break; |
655 |
+ |
case 'p': /* pixel */ |
656 |
+ |
switch (s[1]) { |
657 |
+ |
case 's': /* sample */ |
658 |
+ |
if (getparam(s+2, "pixel sample", 'i', |
659 |
+ |
(void *)&psample)) |
660 |
+ |
pdepth = 0; |
661 |
+ |
break; |
662 |
|
case 't': /* threshold */ |
663 |
< |
if (sscanf(s+2, "%lf", &d0) != 1) { |
664 |
< |
sprintf(buf, "sample threshold (%.6g): ", |
665 |
< |
maxdiff); |
576 |
< |
(*dev->comout)(buf); |
577 |
< |
(*dev->comin)(buf); |
578 |
< |
if (sscanf(buf, "%lf", &d0) != 1) |
579 |
< |
break; |
580 |
< |
} |
581 |
< |
maxdiff = d0; |
582 |
< |
pdepth = 0; |
663 |
> |
if (getparam(s+2, "pixel threshold", 'r', |
664 |
> |
(void *)&maxdiff)) |
665 |
> |
pdepth = 0; |
666 |
|
break; |
667 |
|
default: |
668 |
|
goto badparam; |
669 |
|
} |
670 |
|
break; |
671 |
+ |
case 's': /* specular */ |
672 |
+ |
switch (s[1]) { |
673 |
+ |
case 'j': /* jitter */ |
674 |
+ |
getparam(s+2, "specular jitter", 'r', |
675 |
+ |
(void *)&specjitter); |
676 |
+ |
break; |
677 |
+ |
case 't': /* threshold */ |
678 |
+ |
getparam(s+2, "specular threshold", 'r', |
679 |
+ |
(void *)&specthresh); |
680 |
+ |
break; |
681 |
+ |
default: |
682 |
+ |
goto badparam; |
683 |
+ |
} |
684 |
+ |
break; |
685 |
|
case '\0': /* nothing */ |
686 |
|
break; |
687 |
|
default:; |
688 |
|
badparam: |
689 |
+ |
*sskip(s) = '\0'; |
690 |
|
sprintf(errmsg, "%s: unknown variable", s); |
691 |
|
error(COMMAND, errmsg); |
692 |
|
break; |
694 |
|
} |
695 |
|
|
696 |
|
|
697 |
< |
traceray(s) /* trace a single ray */ |
698 |
< |
char *s; |
697 |
> |
void |
698 |
> |
traceray( /* trace a single ray */ |
699 |
> |
char *s |
700 |
> |
) |
701 |
|
{ |
702 |
|
char buf[128]; |
703 |
|
int x, y; |
704 |
+ |
OBJREC *ino; |
705 |
|
RAY thisray; |
706 |
|
|
707 |
< |
if (sscanf(s, "%lf %lf %lf %lf %lf %lf", |
607 |
< |
&thisray.rorg[0], &thisray.rorg[1], &thisray.rorg[2], |
608 |
< |
&thisray.rdir[0], &thisray.rdir[1], &thisray.rdir[2]) != 6) { |
707 |
> |
thisray.rmax = 0.0; |
708 |
|
|
709 |
+ |
if (!sscanvec(s, thisray.rorg) || |
710 |
+ |
!sscanvec(sskip2(s,3), thisray.rdir)) { |
711 |
+ |
|
712 |
|
if (dev->getcur == NULL) |
713 |
|
return; |
714 |
|
(*dev->comout)("Pick ray\n"); |
715 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
716 |
|
return; |
717 |
|
|
718 |
< |
rayview(thisray.rorg, thisray.rdir, &ourview, x+.5, y+.5); |
719 |
< |
|
718 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
719 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
720 |
> |
error(COMMAND, "not on image"); |
721 |
> |
return; |
722 |
> |
} |
723 |
> |
|
724 |
|
} else if (normalize(thisray.rdir) == 0.0) { |
725 |
|
error(COMMAND, "zero ray direction"); |
726 |
|
return; |
727 |
|
} |
728 |
|
|
729 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
624 |
< |
|
625 |
< |
rayvalue(&thisray); |
729 |
> |
ray_trace(&thisray); |
730 |
|
|
731 |
|
if (thisray.ro == NULL) |
732 |
|
(*dev->comout)("ray hit nothing"); |
733 |
|
else { |
734 |
< |
sprintf(buf, "ray hit %s %s \"%s\"", |
735 |
< |
objptr(thisray.ro->omod)->oname, |
734 |
> |
OBJREC *mat = NULL; |
735 |
> |
OBJREC *mod = NULL; |
736 |
> |
char matspec[256]; |
737 |
> |
matspec[0] = '\0'; |
738 |
> |
if (thisray.ro->omod != OVOID) { |
739 |
> |
mod = objptr(thisray.ro->omod); |
740 |
> |
mat = findmaterial(mod); |
741 |
> |
} |
742 |
> |
if (thisray.rod < 0.0) |
743 |
> |
strcpy(matspec, "back of "); |
744 |
> |
if (mod != NULL) { |
745 |
> |
strcat(matspec, mod->oname); |
746 |
> |
if (mat != mod && mat != NULL) |
747 |
> |
sprintf(matspec+strlen(matspec), |
748 |
> |
" (%s)", mat->oname); |
749 |
> |
} else |
750 |
> |
strcat(matspec, VOIDID); |
751 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
752 |
|
ofun[thisray.ro->otype].funame, |
753 |
|
thisray.ro->oname); |
754 |
+ |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
755 |
+ |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
756 |
+ |
ofun[ino->otype].funame, ino->oname); |
757 |
|
(*dev->comout)(buf); |
758 |
< |
(*dev->comin)(buf); |
758 |
> |
(*dev->comin)(buf, NULL); |
759 |
|
if (thisray.rot >= FHUGE) |
760 |
|
(*dev->comout)("at infinity"); |
761 |
|
else { |
762 |
< |
sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
763 |
< |
thisray.rop[1], thisray.rop[2]); |
762 |
> |
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
763 |
> |
thisray.rop[0], thisray.rop[1], |
764 |
> |
thisray.rop[2], thisray.rt); |
765 |
|
(*dev->comout)(buf); |
766 |
|
} |
767 |
< |
(*dev->comin)(buf); |
768 |
< |
sprintf(buf, "with value (%.6g %.6g %.6g)", |
767 |
> |
(*dev->comin)(buf, NULL); |
768 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
769 |
|
colval(thisray.rcol,RED), |
770 |
|
colval(thisray.rcol,GRN), |
771 |
< |
colval(thisray.rcol,BLU)); |
771 |
> |
colval(thisray.rcol,BLU), |
772 |
> |
luminance(thisray.rcol)); |
773 |
|
(*dev->comout)(buf); |
774 |
|
} |
775 |
< |
(*dev->comin)(buf); |
775 |
> |
(*dev->comin)(buf, NULL); |
776 |
|
} |
777 |
|
|
778 |
|
|
779 |
< |
writepict(s) /* write the picture to a file */ |
780 |
< |
char *s; |
779 |
> |
void |
780 |
> |
writepict( /* write the picture to a file */ |
781 |
> |
char *s |
782 |
> |
) |
783 |
|
{ |
784 |
|
static char buf[128]; |
785 |
|
char *fname; |
787 |
|
COLR *scanline; |
788 |
|
int y; |
789 |
|
|
790 |
< |
if (sscanf(s, "%s", buf) != 1 && buf[0] == '\0') { |
790 |
> |
while (isspace(*s)) |
791 |
> |
s++; |
792 |
> |
if (*s) |
793 |
> |
atos(buf, sizeof(buf), s); |
794 |
> |
else if (buf[0] == '\0') { |
795 |
|
error(COMMAND, "no file"); |
796 |
|
return; |
797 |
|
} |
801 |
|
error(COMMAND, errmsg); |
802 |
|
return; |
803 |
|
} |
804 |
+ |
SET_FILE_BINARY(fp); |
805 |
|
(*dev->comout)("writing \""); |
806 |
|
(*dev->comout)(fname); |
807 |
|
(*dev->comout)("\"...\n"); |
808 |
|
/* write header */ |
809 |
+ |
newheader("RADIANCE", fp); |
810 |
|
fputs(progname, fp); |
811 |
|
fprintview(&ourview, fp); |
812 |
< |
putc('\n', fp); |
812 |
> |
if (octname != NULL) |
813 |
> |
fprintf(fp, " %s\n", octname); |
814 |
> |
else |
815 |
> |
putc('\n', fp); |
816 |
> |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
817 |
> |
fputnow(fp); |
818 |
|
if (exposure != 1.0) |
819 |
< |
fprintf(fp, "EXPOSURE=%e\n", exposure); |
819 |
> |
fputexpos(exposure, fp); |
820 |
> |
if (dev->pixaspect != 1.0) |
821 |
> |
fputaspect(dev->pixaspect, fp); |
822 |
> |
fputformat(COLRFMT, fp); |
823 |
|
putc('\n', fp); |
824 |
< |
fputresolu(YMAJOR|YDECR, ourview.hresolu, ourview.vresolu, fp); |
824 |
> |
fprtresolu(hresolu, vresolu, fp); |
825 |
|
|
826 |
< |
scanline = (COLR *)malloc(ourview.hresolu*sizeof(COLR)); |
827 |
< |
if (scanline == NULL) |
828 |
< |
error(SYSTEM, "out of memory in writepict"); |
829 |
< |
for (y = ourview.vresolu-1; y >= 0; y--) { |
830 |
< |
getpictcolrs(y, scanline, &ptrunk, |
831 |
< |
ourview.hresolu, ourview.vresolu); |
832 |
< |
if (fwritecolrs(scanline, ourview.hresolu, fp) < 0) |
826 |
> |
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
827 |
> |
if (scanline == NULL) { |
828 |
> |
error(COMMAND, "not enough memory!"); |
829 |
> |
fclose(fp); |
830 |
> |
unlink(fname); |
831 |
> |
return; |
832 |
> |
} |
833 |
> |
for (y = vresolu-1; y >= 0; y--) { |
834 |
> |
getpictcolrs(y, scanline, &ptrunk, hresolu, vresolu); |
835 |
> |
if (fwritecolrs(scanline, hresolu, fp) < 0) |
836 |
|
break; |
837 |
|
} |
838 |
+ |
free((void *)scanline); |
839 |
|
if (fclose(fp) < 0) |
840 |
|
error(COMMAND, "write error"); |
696 |
– |
free((char *)scanline); |
841 |
|
} |