1 |
greg |
2.16 |
/* Copyright (c) 1993 Regents of the University of California */ |
2 |
greg |
1.1 |
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3 |
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#ifndef lint |
4 |
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static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
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7 |
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/* |
8 |
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* rv2.c - command routines used in tracing a view. |
9 |
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* |
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* 3/24/87 |
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*/ |
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#include "ray.h" |
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#include "octree.h" |
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17 |
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#include "otypes.h" |
18 |
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19 |
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#include "rpaint.h" |
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21 |
greg |
1.33 |
#include "resolu.h" |
22 |
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23 |
greg |
1.1 |
#include <ctype.h> |
24 |
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25 |
greg |
2.4 |
#define CTRL(c) ((c)-'@') |
26 |
greg |
1.1 |
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27 |
greg |
2.6 |
#ifdef SMLFLT |
28 |
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#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
29 |
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#else |
30 |
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#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
31 |
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#endif |
32 |
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33 |
greg |
2.18 |
extern char *atos(); |
34 |
greg |
2.6 |
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35 |
greg |
2.21 |
extern FILE *popen(); |
36 |
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37 |
greg |
2.20 |
extern char rifname[128]; /* rad input file name */ |
38 |
greg |
2.18 |
|
39 |
greg |
1.29 |
extern char VersionID[]; |
40 |
greg |
1.1 |
extern char *progname; |
41 |
greg |
1.29 |
extern char *octname; |
42 |
greg |
1.1 |
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43 |
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44 |
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getframe(s) /* get a new frame */ |
45 |
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char *s; |
46 |
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{ |
47 |
greg |
1.12 |
if (getrect(s, &pframe) < 0) |
48 |
greg |
1.1 |
return; |
49 |
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pdepth = 0; |
50 |
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} |
51 |
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52 |
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53 |
greg |
1.12 |
getrepaint(s) /* get area and repaint */ |
54 |
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char *s; |
55 |
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{ |
56 |
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RECT box; |
57 |
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58 |
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if (getrect(s, &box) < 0) |
59 |
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return; |
60 |
greg |
1.14 |
paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
61 |
greg |
1.12 |
} |
62 |
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63 |
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64 |
greg |
1.1 |
getview(s) /* get/show view parameters */ |
65 |
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char *s; |
66 |
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{ |
67 |
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FILE *fp; |
68 |
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char buf[128]; |
69 |
greg |
1.10 |
char *fname; |
70 |
greg |
1.3 |
int change = 0; |
71 |
greg |
1.1 |
VIEW nv; |
72 |
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|
73 |
greg |
2.9 |
while (isspace(*s)) |
74 |
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s++; |
75 |
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if (*s == '-') { /* command line parameters */ |
76 |
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copystruct(&nv, &ourview); |
77 |
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if (sscanview(&nv, s)) |
78 |
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newview(&nv); |
79 |
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else |
80 |
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error(COMMAND, "bad view option(s)"); |
81 |
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return; |
82 |
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} |
83 |
greg |
1.1 |
if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
84 |
greg |
1.10 |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
85 |
greg |
1.1 |
(fp = fopen(fname, "a")) == NULL) { |
86 |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
87 |
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error(COMMAND, errmsg); |
88 |
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return; |
89 |
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} |
90 |
greg |
1.2 |
fputs(progname, fp); |
91 |
greg |
1.1 |
fprintview(&ourview, fp); |
92 |
greg |
1.19 |
fputs(sskip(s), fp); |
93 |
greg |
2.18 |
putc('\n', fp); |
94 |
greg |
1.1 |
fclose(fp); |
95 |
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return; |
96 |
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} |
97 |
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sprintf(buf, "view type (%c): ", ourview.type); |
98 |
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(*dev->comout)(buf); |
99 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
100 |
greg |
2.4 |
if (buf[0] == CTRL('C')) return; |
101 |
greg |
1.3 |
if (buf[0] && buf[0] != ourview.type) { |
102 |
greg |
1.1 |
nv.type = buf[0]; |
103 |
greg |
1.3 |
change++; |
104 |
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} else |
105 |
greg |
1.1 |
nv.type = ourview.type; |
106 |
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sprintf(buf, "view point (%.6g %.6g %.6g): ", |
107 |
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ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
108 |
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(*dev->comout)(buf); |
109 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
110 |
greg |
2.4 |
if (buf[0] == CTRL('C')) return; |
111 |
greg |
2.6 |
if (sscanvec(buf, nv.vp)) |
112 |
greg |
1.3 |
change++; |
113 |
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else |
114 |
greg |
1.1 |
VCOPY(nv.vp, ourview.vp); |
115 |
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sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
116 |
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ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
117 |
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(*dev->comout)(buf); |
118 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
119 |
greg |
2.4 |
if (buf[0] == CTRL('C')) return; |
120 |
greg |
2.6 |
if (sscanvec(buf, nv.vdir)) |
121 |
greg |
1.3 |
change++; |
122 |
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else |
123 |
greg |
1.1 |
VCOPY(nv.vdir, ourview.vdir); |
124 |
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sprintf(buf, "view up (%.6g %.6g %.6g): ", |
125 |
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ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
126 |
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(*dev->comout)(buf); |
127 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
128 |
greg |
2.4 |
if (buf[0] == CTRL('C')) return; |
129 |
greg |
2.6 |
if (sscanvec(buf, nv.vup)) |
130 |
greg |
1.3 |
change++; |
131 |
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else |
132 |
greg |
1.1 |
VCOPY(nv.vup, ourview.vup); |
133 |
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sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
134 |
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ourview.horiz, ourview.vert); |
135 |
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(*dev->comout)(buf); |
136 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
137 |
greg |
2.4 |
if (buf[0] == CTRL('C')) return; |
138 |
greg |
1.3 |
if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
139 |
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change++; |
140 |
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else { |
141 |
greg |
1.1 |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
142 |
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} |
143 |
greg |
1.14 |
sprintf(buf, "view shift and lift (%.6g %.6g): ", |
144 |
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ourview.hoff, ourview.voff); |
145 |
greg |
1.1 |
(*dev->comout)(buf); |
146 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
147 |
greg |
2.4 |
if (buf[0] == CTRL('C')) return; |
148 |
greg |
1.14 |
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
149 |
greg |
1.3 |
change++; |
150 |
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else { |
151 |
greg |
1.14 |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
152 |
greg |
1.1 |
} |
153 |
greg |
1.3 |
if (change) |
154 |
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newview(&nv); |
155 |
greg |
1.1 |
} |
156 |
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157 |
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158 |
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lastview(s) /* return to a previous view */ |
159 |
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char *s; |
160 |
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{ |
161 |
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char buf[128]; |
162 |
greg |
1.10 |
char *fname; |
163 |
greg |
1.1 |
int success; |
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 |
greg |
1.17 |
copystruct(&nv, &stdview); |
168 |
greg |
2.19 |
if ((fname = getpath(buf, "", R_OK)) == NULL || |
169 |
greg |
1.33 |
(success = viewfile(fname, &nv, NULL)) == -1) { |
170 |
greg |
1.1 |
sprintf(errmsg, "cannot open \"%s\"", buf); |
171 |
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error(COMMAND, errmsg); |
172 |
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return; |
173 |
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} |
174 |
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if (!success) |
175 |
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error(COMMAND, "wrong file format"); |
176 |
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else |
177 |
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newview(&nv); |
178 |
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return; |
179 |
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} |
180 |
greg |
1.20 |
if (oldview.type == 0) { /* no old view! */ |
181 |
greg |
1.1 |
error(COMMAND, "no previous view"); |
182 |
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return; |
183 |
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} |
184 |
greg |
1.17 |
copystruct(&nv, &ourview); |
185 |
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copystruct(&ourview, &oldview); |
186 |
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copystruct(&oldview, &nv); |
187 |
greg |
1.1 |
newimage(); |
188 |
greg |
2.18 |
} |
189 |
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190 |
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191 |
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saveview(s) /* save view to rad file */ |
192 |
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char *s; |
193 |
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{ |
194 |
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char view[64]; |
195 |
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char *fname; |
196 |
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FILE *fp; |
197 |
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198 |
greg |
2.19 |
if (*atos(view, sizeof(view), s)) { |
199 |
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if (isint(view)) { |
200 |
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error(COMMAND, "cannot write view by number"); |
201 |
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return; |
202 |
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} |
203 |
greg |
2.18 |
s = sskip(s); |
204 |
greg |
2.19 |
} |
205 |
greg |
2.20 |
while (isspace(*s)) |
206 |
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s++; |
207 |
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if (*s) |
208 |
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atos(rifname, sizeof(rifname), s); |
209 |
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else if (rifname[0] == '\0') { |
210 |
greg |
2.18 |
error(COMMAND, "no previous rad file"); |
211 |
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return; |
212 |
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} |
213 |
|
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if ((fname = getpath(rifname, NULL, 0)) == NULL || |
214 |
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(fp = fopen(fname, "a")) == NULL) { |
215 |
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sprintf(errmsg, "cannot open \"%s\"", rifname); |
216 |
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error(COMMAND, errmsg); |
217 |
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return; |
218 |
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} |
219 |
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fputs("view= ", fp); |
220 |
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fputs(view, fp); |
221 |
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fprintview(&ourview, fp); |
222 |
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putc('\n', fp); |
223 |
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fclose(fp); |
224 |
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} |
225 |
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226 |
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227 |
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loadview(s) /* load view from rad file */ |
228 |
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char *s; |
229 |
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{ |
230 |
|
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char buf[512]; |
231 |
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char *fname; |
232 |
|
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FILE *fp; |
233 |
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VIEW nv; |
234 |
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|
235 |
|
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strcpy(buf, "rad -n -s -V -v "); |
236 |
|
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if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
237 |
|
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s = sskip(s); |
238 |
|
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else |
239 |
|
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strcat(buf, "1"); |
240 |
greg |
2.20 |
if (*s) |
241 |
|
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atos(rifname, sizeof(rifname), s); |
242 |
|
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else if (rifname[0] == '\0') { |
243 |
greg |
2.18 |
error(COMMAND, "no previous rad file"); |
244 |
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return; |
245 |
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} |
246 |
greg |
2.19 |
if ((fname = getpath(rifname, "", R_OK)) == NULL) { |
247 |
greg |
2.18 |
sprintf(errmsg, "cannot access \"%s\"", rifname); |
248 |
|
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error(COMMAND, errmsg); |
249 |
|
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return; |
250 |
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} |
251 |
|
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sprintf(buf+strlen(buf), " %s", fname); |
252 |
|
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if ((fp = popen(buf, "r")) == NULL) { |
253 |
|
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error(COMMAND, "cannot run rad"); |
254 |
|
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return; |
255 |
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} |
256 |
|
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buf[0] = '\0'; |
257 |
|
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fgets(buf, sizeof(buf), fp); |
258 |
|
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pclose(fp); |
259 |
|
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copystruct(&nv, &stdview); |
260 |
|
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if (!sscanview(&nv, buf)) { |
261 |
|
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error(COMMAND, "rad error -- no such view?"); |
262 |
|
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return; |
263 |
|
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} |
264 |
|
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newview(&nv); |
265 |
greg |
1.1 |
} |
266 |
|
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|
267 |
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|
268 |
|
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getaim(s) /* aim camera */ |
269 |
|
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char *s; |
270 |
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{ |
271 |
|
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double zfact; |
272 |
|
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VIEW nv; |
273 |
|
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|
274 |
|
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if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
275 |
|
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return; |
276 |
greg |
1.21 |
nv.type = ourview.type; |
277 |
greg |
1.1 |
VCOPY(nv.vp, ourview.vp); |
278 |
|
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VCOPY(nv.vup, ourview.vup); |
279 |
greg |
1.14 |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
280 |
greg |
1.21 |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
281 |
|
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zoomview(&nv, zfact); |
282 |
greg |
1.1 |
newview(&nv); |
283 |
|
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} |
284 |
|
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|
285 |
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|
286 |
|
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getmove(s) /* move camera */ |
287 |
|
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char *s; |
288 |
|
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{ |
289 |
|
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FVECT vc; |
290 |
|
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double mag; |
291 |
|
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|
292 |
|
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if (getinterest(s, 0, vc, &mag) < 0) |
293 |
|
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return; |
294 |
greg |
1.4 |
moveview(0.0, 0.0, mag, vc); |
295 |
greg |
1.1 |
} |
296 |
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|
297 |
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|
298 |
|
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getrotate(s) /* rotate camera */ |
299 |
|
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char *s; |
300 |
|
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{ |
301 |
|
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VIEW nv; |
302 |
|
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FVECT v1; |
303 |
greg |
1.4 |
double angle, elev, zfact; |
304 |
greg |
1.1 |
|
305 |
greg |
1.4 |
elev = 0.0; zfact = 1.0; |
306 |
|
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if (sscanf(s, "%lf %lf %lf", &angle, &elev, &zfact) < 1) { |
307 |
greg |
1.1 |
error(COMMAND, "missing angle"); |
308 |
|
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return; |
309 |
|
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} |
310 |
greg |
1.21 |
nv.type = ourview.type; |
311 |
greg |
1.1 |
VCOPY(nv.vp, ourview.vp); |
312 |
|
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VCOPY(nv.vup, ourview.vup); |
313 |
greg |
1.14 |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
314 |
greg |
1.1 |
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
315 |
|
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if (elev != 0.0) { |
316 |
|
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fcross(v1, nv.vdir, ourview.vup); |
317 |
|
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normalize(v1); |
318 |
|
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spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
319 |
|
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} |
320 |
greg |
1.21 |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
321 |
|
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zoomview(&nv, zfact); |
322 |
greg |
1.1 |
newview(&nv); |
323 |
|
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} |
324 |
|
|
|
325 |
|
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|
326 |
|
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getpivot(s) /* pivot viewpoint */ |
327 |
|
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register char *s; |
328 |
|
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{ |
329 |
|
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FVECT vc; |
330 |
greg |
1.4 |
double angle, elev, mag; |
331 |
greg |
1.1 |
|
332 |
greg |
1.4 |
elev = 0.0; |
333 |
|
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if (sscanf(s, "%lf %lf", &angle, &elev) < 1) { |
334 |
greg |
1.1 |
error(COMMAND, "missing angle"); |
335 |
|
|
return; |
336 |
|
|
} |
337 |
greg |
1.4 |
if (getinterest(sskip(sskip(s)), 0, vc, &mag) < 0) |
338 |
greg |
1.1 |
return; |
339 |
greg |
1.4 |
moveview(angle, elev, mag, vc); |
340 |
greg |
1.1 |
} |
341 |
|
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|
342 |
|
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|
343 |
|
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getexposure(s) /* get new exposure */ |
344 |
|
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char *s; |
345 |
|
|
{ |
346 |
|
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char buf[128]; |
347 |
|
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register char *cp; |
348 |
|
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RECT r; |
349 |
|
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int x, y; |
350 |
greg |
2.16 |
register PNODE *p = &ptrunk; |
351 |
|
|
int adapt = 0; |
352 |
|
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double e = 1.0; |
353 |
|
|
start: |
354 |
greg |
1.1 |
for (cp = s; isspace(*cp); cp++) |
355 |
|
|
; |
356 |
greg |
2.16 |
if (*cp == '@') { |
357 |
|
|
adapt++; |
358 |
|
|
goto start; |
359 |
|
|
} |
360 |
greg |
1.1 |
if (*cp == '\0') { /* normalize to point */ |
361 |
|
|
if (dev->getcur == NULL) |
362 |
|
|
return; |
363 |
|
|
(*dev->comout)("Pick point for exposure\n"); |
364 |
|
|
if ((*dev->getcur)(&x, &y) == ABORT) |
365 |
|
|
return; |
366 |
|
|
r.l = r.d = 0; |
367 |
greg |
1.14 |
r.r = hresolu; r.u = vresolu; |
368 |
greg |
1.1 |
p = findrect(x, y, &ptrunk, &r, -1); |
369 |
|
|
} else { |
370 |
|
|
if (*cp == '=') { /* absolute setting */ |
371 |
|
|
p = NULL; |
372 |
|
|
e = 1.0/exposure; |
373 |
|
|
for (cp++; isspace(*cp); cp++) |
374 |
|
|
; |
375 |
|
|
if (*cp == '\0') { /* interactive */ |
376 |
greg |
2.15 |
sprintf(buf, "exposure (%f): ", exposure); |
377 |
greg |
1.1 |
(*dev->comout)(buf); |
378 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
379 |
greg |
1.1 |
for (cp = buf; isspace(*cp); cp++) |
380 |
|
|
; |
381 |
|
|
if (*cp == '\0') |
382 |
|
|
return; |
383 |
|
|
} |
384 |
|
|
} |
385 |
|
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
386 |
|
|
e *= pow(2.0, atof(cp)); |
387 |
|
|
else /* multiplier */ |
388 |
|
|
e *= atof(cp); |
389 |
|
|
} |
390 |
|
|
if (p != NULL) { /* relative setting */ |
391 |
greg |
2.14 |
if (bright(p->v) < 1e-15) { |
392 |
greg |
1.1 |
error(COMMAND, "cannot normalize to zero"); |
393 |
|
|
return; |
394 |
|
|
} |
395 |
greg |
2.16 |
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 |
greg |
1.1 |
} |
400 |
|
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
401 |
|
|
return; |
402 |
|
|
scalepict(&ptrunk, e); |
403 |
|
|
exposure *= e; |
404 |
|
|
redraw(); |
405 |
|
|
} |
406 |
|
|
|
407 |
|
|
|
408 |
greg |
1.24 |
getparam(str, dsc, typ, ptr) /* get variable from user */ |
409 |
|
|
char *str, *dsc; |
410 |
|
|
int typ; |
411 |
|
|
register union {int i; double d; COLOR C;} *ptr; |
412 |
|
|
{ |
413 |
greg |
1.25 |
extern char *index(); |
414 |
greg |
1.24 |
int i0; |
415 |
|
|
double d0, d1, d2; |
416 |
|
|
char buf[48]; |
417 |
|
|
|
418 |
|
|
switch (typ) { |
419 |
|
|
case 'i': /* integer */ |
420 |
|
|
if (sscanf(str, "%d", &i0) != 1) { |
421 |
|
|
(*dev->comout)(dsc); |
422 |
|
|
sprintf(buf, " (%d): ", ptr->i); |
423 |
|
|
(*dev->comout)(buf); |
424 |
|
|
(*dev->comin)(buf, NULL); |
425 |
|
|
if (sscanf(buf, "%d", &i0) != 1) |
426 |
greg |
1.31 |
return(0); |
427 |
greg |
1.24 |
} |
428 |
|
|
ptr->i = i0; |
429 |
greg |
1.31 |
return(1); |
430 |
greg |
1.24 |
case 'r': /* real */ |
431 |
|
|
if (sscanf(str, "%lf", &d0) != 1) { |
432 |
|
|
(*dev->comout)(dsc); |
433 |
|
|
sprintf(buf, " (%.6g): ", ptr->d); |
434 |
|
|
(*dev->comout)(buf); |
435 |
|
|
(*dev->comin)(buf, NULL); |
436 |
|
|
if (sscanf(buf, "%lf", &d0) != 1) |
437 |
greg |
1.31 |
return(0); |
438 |
greg |
1.24 |
} |
439 |
|
|
ptr->d = d0; |
440 |
greg |
1.31 |
return(1); |
441 |
greg |
1.24 |
case 'b': /* boolean */ |
442 |
|
|
if (sscanf(str, "%1s", buf) != 1) { |
443 |
|
|
(*dev->comout)(dsc); |
444 |
greg |
2.2 |
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
445 |
greg |
1.24 |
(*dev->comout)(buf); |
446 |
|
|
(*dev->comin)(buf, NULL); |
447 |
greg |
1.25 |
if (buf[0] == '\0' || |
448 |
|
|
index("yY+1tTnN-0fF", buf[0]) == NULL) |
449 |
greg |
1.31 |
return(0); |
450 |
greg |
1.24 |
} |
451 |
greg |
1.25 |
ptr->i = index("yY+1tT", buf[0]) != NULL; |
452 |
greg |
1.31 |
return(1); |
453 |
greg |
1.24 |
case 'C': /* color */ |
454 |
|
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
455 |
|
|
(*dev->comout)(dsc); |
456 |
|
|
sprintf(buf, " (%.6g %.6g %.6g): ", |
457 |
|
|
colval(ptr->C,RED), |
458 |
|
|
colval(ptr->C,GRN), |
459 |
|
|
colval(ptr->C,BLU)); |
460 |
|
|
(*dev->comout)(buf); |
461 |
|
|
(*dev->comin)(buf, NULL); |
462 |
|
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
463 |
greg |
1.31 |
return(0); |
464 |
greg |
1.24 |
} |
465 |
|
|
setcolor(ptr->C, d0, d1, d2); |
466 |
greg |
1.31 |
return(1); |
467 |
greg |
1.24 |
} |
468 |
|
|
} |
469 |
|
|
|
470 |
|
|
|
471 |
greg |
1.1 |
setparam(s) /* get/set program parameter */ |
472 |
|
|
register char *s; |
473 |
|
|
{ |
474 |
|
|
extern int psample; |
475 |
|
|
extern double maxdiff; |
476 |
|
|
extern double minweight; |
477 |
|
|
extern int maxdepth; |
478 |
|
|
extern double dstrsrc; |
479 |
greg |
1.5 |
extern double shadthresh; |
480 |
greg |
1.9 |
extern double shadcert; |
481 |
greg |
1.1 |
extern COLOR ambval; |
482 |
|
|
extern double ambacc; |
483 |
|
|
extern int ambres; |
484 |
|
|
extern int ambdiv; |
485 |
|
|
extern int ambssamp; |
486 |
|
|
extern int ambounce; |
487 |
greg |
2.13 |
extern int directvis; |
488 |
greg |
1.30 |
extern double srcsizerat; |
489 |
greg |
1.23 |
extern int do_irrad; |
490 |
greg |
2.5 |
extern double specjitter; |
491 |
|
|
extern double specthresh; |
492 |
greg |
1.24 |
char buf[128]; |
493 |
greg |
1.1 |
|
494 |
|
|
if (s[0] == '\0') { |
495 |
greg |
1.23 |
(*dev->comout)( |
496 |
greg |
2.5 |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
497 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
498 |
greg |
1.1 |
s = buf; |
499 |
|
|
} |
500 |
|
|
switch (s[0]) { |
501 |
|
|
case 'l': /* limit */ |
502 |
|
|
switch (s[1]) { |
503 |
|
|
case 'w': /* weight */ |
504 |
greg |
1.24 |
getparam(s+2, "limit weight", 'r', &minweight); |
505 |
greg |
1.1 |
break; |
506 |
|
|
case 'r': /* reflection */ |
507 |
greg |
1.24 |
getparam(s+2, "limit reflection", 'i', &maxdepth); |
508 |
greg |
1.1 |
break; |
509 |
|
|
default: |
510 |
|
|
goto badparam; |
511 |
|
|
} |
512 |
|
|
break; |
513 |
greg |
1.5 |
case 'd': /* direct */ |
514 |
|
|
switch (s[1]) { |
515 |
|
|
case 'j': /* jitter */ |
516 |
greg |
1.24 |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
517 |
greg |
1.9 |
break; |
518 |
|
|
case 'c': /* certainty */ |
519 |
greg |
1.24 |
getparam(s+2, "direct certainty", 'r', &shadcert); |
520 |
greg |
1.5 |
break; |
521 |
greg |
1.8 |
case 't': /* threshold */ |
522 |
greg |
1.24 |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
523 |
greg |
1.5 |
break; |
524 |
greg |
2.13 |
case 'v': /* visibility */ |
525 |
|
|
getparam(s+2, "direct visibility", |
526 |
|
|
'b', &directvis); |
527 |
greg |
1.30 |
break; |
528 |
|
|
case 's': /* sampling */ |
529 |
|
|
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
530 |
greg |
1.23 |
break; |
531 |
greg |
1.5 |
default: |
532 |
greg |
1.1 |
goto badparam; |
533 |
|
|
} |
534 |
greg |
1.23 |
break; |
535 |
|
|
case 'b': /* black and white */ |
536 |
greg |
1.24 |
getparam(s+1, "black and white", 'b', &greyscale); |
537 |
greg |
1.23 |
break; |
538 |
|
|
case 'i': /* irradiance */ |
539 |
greg |
1.24 |
getparam(s+1, "irradiance", 'b', &do_irrad); |
540 |
greg |
1.1 |
break; |
541 |
|
|
case 'a': /* ambient */ |
542 |
|
|
switch (s[1]) { |
543 |
|
|
case 'v': /* value */ |
544 |
greg |
2.11 |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
545 |
greg |
1.1 |
break; |
546 |
|
|
case 'a': /* accuracy */ |
547 |
greg |
2.17 |
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
548 |
|
|
setambacc(ambacc); |
549 |
greg |
1.1 |
break; |
550 |
|
|
case 'd': /* divisions */ |
551 |
greg |
1.24 |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
552 |
greg |
1.1 |
break; |
553 |
|
|
case 's': /* samples */ |
554 |
greg |
1.24 |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
555 |
greg |
1.1 |
break; |
556 |
|
|
case 'b': /* bounces */ |
557 |
greg |
1.24 |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
558 |
greg |
1.1 |
break; |
559 |
|
|
case 'r': |
560 |
greg |
1.31 |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
561 |
greg |
2.8 |
setambres(ambres); |
562 |
greg |
1.1 |
break; |
563 |
|
|
default: |
564 |
|
|
goto badparam; |
565 |
|
|
} |
566 |
|
|
break; |
567 |
greg |
2.5 |
case 'p': /* pixel */ |
568 |
greg |
1.1 |
switch (s[1]) { |
569 |
greg |
2.5 |
case 's': /* sample */ |
570 |
|
|
if (getparam(s+2, "pixel sample", 'i', &psample)) |
571 |
greg |
1.31 |
pdepth = 0; |
572 |
greg |
1.1 |
break; |
573 |
greg |
1.8 |
case 't': /* threshold */ |
574 |
greg |
2.5 |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
575 |
greg |
1.31 |
pdepth = 0; |
576 |
greg |
2.5 |
break; |
577 |
|
|
default: |
578 |
|
|
goto badparam; |
579 |
|
|
} |
580 |
|
|
break; |
581 |
|
|
case 's': /* specular */ |
582 |
|
|
switch (s[1]) { |
583 |
|
|
case 'j': /* jitter */ |
584 |
|
|
getparam(s+2, "specular jitter", 'r', &specjitter); |
585 |
|
|
break; |
586 |
|
|
case 't': /* threshold */ |
587 |
|
|
getparam(s+2, "specular threshold", 'r', &specthresh); |
588 |
greg |
1.1 |
break; |
589 |
|
|
default: |
590 |
|
|
goto badparam; |
591 |
|
|
} |
592 |
|
|
break; |
593 |
|
|
case '\0': /* nothing */ |
594 |
|
|
break; |
595 |
|
|
default:; |
596 |
|
|
badparam: |
597 |
greg |
1.26 |
*sskip(s) = '\0'; |
598 |
greg |
1.1 |
sprintf(errmsg, "%s: unknown variable", s); |
599 |
|
|
error(COMMAND, errmsg); |
600 |
|
|
break; |
601 |
|
|
} |
602 |
|
|
} |
603 |
|
|
|
604 |
|
|
|
605 |
|
|
traceray(s) /* trace a single ray */ |
606 |
|
|
char *s; |
607 |
|
|
{ |
608 |
|
|
char buf[128]; |
609 |
|
|
int x, y; |
610 |
|
|
RAY thisray; |
611 |
|
|
|
612 |
greg |
2.6 |
if (!sscanvec(s, thisray.rorg) || |
613 |
|
|
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
614 |
greg |
1.1 |
|
615 |
|
|
if (dev->getcur == NULL) |
616 |
|
|
return; |
617 |
|
|
(*dev->comout)("Pick ray\n"); |
618 |
|
|
if ((*dev->getcur)(&x, &y) == ABORT) |
619 |
|
|
return; |
620 |
|
|
|
621 |
greg |
1.21 |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
622 |
|
|
(x+.5)/hresolu, (y+.5)/vresolu) < 0) { |
623 |
|
|
error(COMMAND, "not on image"); |
624 |
|
|
return; |
625 |
|
|
} |
626 |
|
|
|
627 |
greg |
1.1 |
} else if (normalize(thisray.rdir) == 0.0) { |
628 |
|
|
error(COMMAND, "zero ray direction"); |
629 |
|
|
return; |
630 |
|
|
} |
631 |
|
|
|
632 |
|
|
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
633 |
|
|
|
634 |
|
|
rayvalue(&thisray); |
635 |
|
|
|
636 |
|
|
if (thisray.ro == NULL) |
637 |
|
|
(*dev->comout)("ray hit nothing"); |
638 |
|
|
else { |
639 |
|
|
sprintf(buf, "ray hit %s %s \"%s\"", |
640 |
|
|
objptr(thisray.ro->omod)->oname, |
641 |
|
|
ofun[thisray.ro->otype].funame, |
642 |
|
|
thisray.ro->oname); |
643 |
|
|
(*dev->comout)(buf); |
644 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
645 |
greg |
1.1 |
if (thisray.rot >= FHUGE) |
646 |
|
|
(*dev->comout)("at infinity"); |
647 |
|
|
else { |
648 |
|
|
sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
649 |
|
|
thisray.rop[1], thisray.rop[2]); |
650 |
|
|
(*dev->comout)(buf); |
651 |
|
|
} |
652 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
653 |
greg |
1.32 |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
654 |
greg |
1.1 |
colval(thisray.rcol,RED), |
655 |
|
|
colval(thisray.rcol,GRN), |
656 |
greg |
1.32 |
colval(thisray.rcol,BLU), |
657 |
|
|
luminance(thisray.rcol)); |
658 |
greg |
1.1 |
(*dev->comout)(buf); |
659 |
|
|
} |
660 |
greg |
1.18 |
(*dev->comin)(buf, NULL); |
661 |
greg |
1.1 |
} |
662 |
|
|
|
663 |
|
|
|
664 |
|
|
writepict(s) /* write the picture to a file */ |
665 |
|
|
char *s; |
666 |
|
|
{ |
667 |
|
|
static char buf[128]; |
668 |
greg |
1.10 |
char *fname; |
669 |
greg |
1.1 |
FILE *fp; |
670 |
|
|
COLR *scanline; |
671 |
|
|
int y; |
672 |
|
|
|
673 |
greg |
2.20 |
while (isspace(*s)) |
674 |
|
|
s++; |
675 |
|
|
if (*s) |
676 |
|
|
atos(buf, sizeof(buf), s); |
677 |
|
|
else if (buf[0] == '\0') { |
678 |
greg |
1.1 |
error(COMMAND, "no file"); |
679 |
|
|
return; |
680 |
|
|
} |
681 |
greg |
1.10 |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
682 |
greg |
1.1 |
(fp = fopen(fname, "w")) == NULL) { |
683 |
|
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
684 |
|
|
error(COMMAND, errmsg); |
685 |
|
|
return; |
686 |
|
|
} |
687 |
greg |
2.12 |
#ifdef MSDOS |
688 |
|
|
setmode(fileno(fp), O_BINARY); |
689 |
|
|
#endif |
690 |
greg |
1.1 |
(*dev->comout)("writing \""); |
691 |
|
|
(*dev->comout)(fname); |
692 |
|
|
(*dev->comout)("\"...\n"); |
693 |
|
|
/* write header */ |
694 |
|
|
fputs(progname, fp); |
695 |
|
|
fprintview(&ourview, fp); |
696 |
greg |
1.29 |
if (octname != NULL) |
697 |
|
|
fprintf(fp, " %s\n", octname); |
698 |
|
|
else |
699 |
|
|
putc('\n', fp); |
700 |
greg |
1.28 |
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
701 |
greg |
1.1 |
if (exposure != 1.0) |
702 |
greg |
1.13 |
fputexpos(exposure, fp); |
703 |
greg |
1.15 |
if (dev->pixaspect != 1.0) |
704 |
|
|
fputaspect(dev->pixaspect, fp); |
705 |
greg |
1.22 |
fputformat(COLRFMT, fp); |
706 |
greg |
1.11 |
putc('\n', fp); |
707 |
greg |
1.33 |
fprtresolu(hresolu, vresolu, fp); |
708 |
greg |
1.1 |
|
709 |
greg |
1.14 |
scanline = (COLR *)malloc(hresolu*sizeof(COLR)); |
710 |
greg |
1.27 |
if (scanline == NULL) { |
711 |
|
|
error(COMMAND, "not enough memory!"); |
712 |
|
|
fclose(fp); |
713 |
|
|
unlink(fname); |
714 |
|
|
return; |
715 |
|
|
} |
716 |
greg |
1.14 |
for (y = vresolu-1; y >= 0; y--) { |
717 |
|
|
getpictcolrs(y, scanline, &ptrunk, hresolu, vresolu); |
718 |
|
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
719 |
greg |
1.1 |
break; |
720 |
|
|
} |
721 |
greg |
1.27 |
free((char *)scanline); |
722 |
greg |
1.1 |
if (fclose(fp) < 0) |
723 |
|
|
error(COMMAND, "write error"); |
724 |
|
|
} |