1 |
greg |
1.1 |
#ifndef lint |
2 |
greg |
2.12 |
static const char RCSid[] = "$Id: p_data.c,v 2.11 2023/12/13 23:26:16 greg Exp $"; |
3 |
greg |
1.1 |
#endif |
4 |
|
|
/* |
5 |
|
|
* p_data.c - routine for stored patterns. |
6 |
greg |
2.5 |
*/ |
7 |
|
|
|
8 |
greg |
2.6 |
#include "copyright.h" |
9 |
greg |
1.1 |
|
10 |
|
|
#include "ray.h" |
11 |
|
|
#include "data.h" |
12 |
greg |
2.2 |
#include "func.h" |
13 |
schorsch |
2.8 |
#include "rtotypes.h" |
14 |
greg |
2.2 |
|
15 |
greg |
1.1 |
/* |
16 |
greg |
2.10 |
* A stored pattern can either be brightness, |
17 |
|
|
* color, or spectral data. Brightness data is specified as: |
18 |
greg |
1.1 |
* |
19 |
|
|
* modifier brightdata name |
20 |
|
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* 4+ func dfname vfname v0 v1 .. xf |
21 |
|
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* 0 |
22 |
|
|
* n A1 A2 .. |
23 |
|
|
* |
24 |
|
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* Color data is specified as: |
25 |
|
|
* |
26 |
|
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* modifier colordata name |
27 |
|
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* 8+ rfunc gfunc bfunc rdfname gdfname bdfname vfname v0 v1 .. xf |
28 |
|
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* 0 |
29 |
|
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* n A1 A2 .. |
30 |
|
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* |
31 |
|
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* Color picture data is specified as: |
32 |
|
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* |
33 |
|
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* modifier colorpict name |
34 |
|
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* 7+ rfunc gfunc bfunc pfname vfname vx vy xf |
35 |
|
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* 0 |
36 |
|
|
* n A1 A2 .. |
37 |
|
|
* |
38 |
greg |
2.10 |
* A simple spectrum is specified as: |
39 |
|
|
* |
40 |
|
|
* modifier spectrum name |
41 |
|
|
* 0 |
42 |
|
|
* 0 |
43 |
|
|
* 5+ nmA nmB s1 s2 s3 .. |
44 |
|
|
* |
45 |
|
|
* A constant spectrum from a data file is given as: |
46 |
|
|
* |
47 |
|
|
* modifier specfile name |
48 |
|
|
* 1 dfname |
49 |
|
|
* 0 |
50 |
|
|
* 0 |
51 |
|
|
* |
52 |
greg |
2.11 |
* A spectral data file is given as: |
53 |
|
|
* |
54 |
|
|
* modifier specdata name |
55 |
|
|
* 4+ sfunc dfname vfname v0 .. xf |
56 |
|
|
* 0 |
57 |
|
|
* n A1 A2 .. |
58 |
|
|
* |
59 |
|
|
* A spectral image is given as: |
60 |
|
|
* |
61 |
|
|
* modifier specpict name |
62 |
|
|
* 5+ sfunc sfname vfname vx vy xf |
63 |
|
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* 0 |
64 |
|
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* n A1 A2 .. |
65 |
|
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* |
66 |
greg |
1.1 |
* Vfname is the name of the file where the variable definitions |
67 |
|
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* can be found. The list of real arguments can be accessed by |
68 |
|
|
* definitions in the file. The dfnames are the data file |
69 |
|
|
* names. The dimensions of the data files and the number |
70 |
greg |
2.11 |
* of variables must match, except for specdata, which has a "hidden" |
71 |
|
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* last variable for the wavelength. The funcs take a single argument |
72 |
|
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* for brightdata, three for colordata and colorpict, and two for |
73 |
|
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* specdata and specpict to modify interpolated values from the file. |
74 |
|
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* The xf is a transform spec to get from the original coordinates to |
75 |
|
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* the current coordinates. |
76 |
greg |
1.1 |
*/ |
77 |
|
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|
78 |
|
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|
79 |
greg |
2.9 |
int |
80 |
schorsch |
2.8 |
p_bdata( /* interpolate brightness data */ |
81 |
greg |
2.9 |
OBJREC *m, |
82 |
schorsch |
2.8 |
RAY *r |
83 |
|
|
) |
84 |
greg |
1.1 |
{ |
85 |
|
|
double bval; |
86 |
greg |
2.10 |
double pt[MAXDDIM]; |
87 |
greg |
1.1 |
DATARRAY *dp; |
88 |
greg |
2.9 |
MFUNC *mf; |
89 |
|
|
int i; |
90 |
greg |
1.1 |
|
91 |
|
|
if (m->oargs.nsargs < 4) |
92 |
|
|
objerror(m, USER, "bad # arguments"); |
93 |
greg |
2.2 |
dp = getdata(m->oargs.sarg[1]); |
94 |
|
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i = (1 << dp->nd) - 1; |
95 |
|
|
mf = getfunc(m, 2, i<<3, 0); |
96 |
|
|
setfunc(m, r); |
97 |
greg |
1.2 |
errno = 0; |
98 |
greg |
2.2 |
for (i = dp->nd; i-- > 0; ) { |
99 |
|
|
pt[i] = evalue(mf->ep[i]); |
100 |
greg |
2.10 |
if ((errno == EDOM) | (errno == ERANGE)) |
101 |
greg |
2.2 |
goto computerr; |
102 |
greg |
1.1 |
} |
103 |
|
|
bval = datavalue(dp, pt); |
104 |
|
|
errno = 0; |
105 |
greg |
2.2 |
bval = funvalue(m->oargs.sarg[0], 1, &bval); |
106 |
greg |
2.10 |
if ((errno == EDOM) | (errno == ERANGE)) |
107 |
greg |
1.1 |
goto computerr; |
108 |
greg |
2.10 |
scalescolor(r->pcol, bval); |
109 |
greg |
2.4 |
return(0); |
110 |
greg |
1.1 |
computerr: |
111 |
|
|
objerror(m, WARNING, "compute error"); |
112 |
greg |
2.4 |
return(0); |
113 |
greg |
1.1 |
} |
114 |
|
|
|
115 |
|
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|
116 |
greg |
2.9 |
int |
117 |
schorsch |
2.8 |
p_cdata( /* interpolate color data */ |
118 |
greg |
2.9 |
OBJREC *m, |
119 |
schorsch |
2.8 |
RAY *r |
120 |
|
|
) |
121 |
greg |
1.1 |
{ |
122 |
|
|
double col[3]; |
123 |
|
|
COLOR cval; |
124 |
greg |
2.10 |
double pt[MAXDDIM]; |
125 |
greg |
2.2 |
int nv; |
126 |
greg |
1.1 |
DATARRAY *dp; |
127 |
greg |
2.9 |
MFUNC *mf; |
128 |
|
|
int i; |
129 |
greg |
1.1 |
|
130 |
|
|
if (m->oargs.nsargs < 8) |
131 |
|
|
objerror(m, USER, "bad # arguments"); |
132 |
greg |
2.2 |
dp = getdata(m->oargs.sarg[3]); |
133 |
|
|
i = (1 << (nv = dp->nd)) - 1; |
134 |
|
|
mf = getfunc(m, 6, i<<7, 0); |
135 |
|
|
setfunc(m, r); |
136 |
|
|
errno = 0; |
137 |
|
|
for (i = 0; i < nv; i++) { |
138 |
|
|
pt[i] = evalue(mf->ep[i]); |
139 |
greg |
2.10 |
if ((errno == EDOM) | (errno == ERANGE)) |
140 |
greg |
1.1 |
goto computerr; |
141 |
|
|
} |
142 |
greg |
2.2 |
col[0] = datavalue(dp, pt); |
143 |
|
|
for (i = 1; i < 3; i++) { |
144 |
greg |
2.11 |
dp = getdata(m->oargs.sarg[3+i]); |
145 |
greg |
1.1 |
if (dp->nd != nv) |
146 |
greg |
2.2 |
objerror(m, USER, "dimension error"); |
147 |
greg |
1.1 |
col[i] = datavalue(dp, pt); |
148 |
|
|
} |
149 |
|
|
errno = 0; |
150 |
greg |
2.3 |
for (i = 0; i < 3; i++) |
151 |
greg |
2.11 |
if (i && fundefined(m->oargs.sarg[i]) < 3) |
152 |
greg |
2.3 |
colval(cval,i) = funvalue(m->oargs.sarg[i], 1, col+i); |
153 |
|
|
else |
154 |
|
|
colval(cval,i) = funvalue(m->oargs.sarg[i], 3, col); |
155 |
greg |
2.10 |
if ((errno == EDOM) | (errno == ERANGE)) |
156 |
greg |
1.1 |
goto computerr; |
157 |
greg |
2.10 |
smultcolor(r->pcol, cval); |
158 |
greg |
2.4 |
return(0); |
159 |
greg |
1.1 |
computerr: |
160 |
|
|
objerror(m, WARNING, "compute error"); |
161 |
greg |
2.4 |
return(0); |
162 |
greg |
1.1 |
} |
163 |
|
|
|
164 |
|
|
|
165 |
greg |
2.9 |
int |
166 |
schorsch |
2.8 |
p_pdata( /* interpolate picture data */ |
167 |
greg |
2.9 |
OBJREC *m, |
168 |
schorsch |
2.8 |
RAY *r |
169 |
|
|
) |
170 |
greg |
1.1 |
{ |
171 |
|
|
double col[3]; |
172 |
|
|
COLOR cval; |
173 |
|
|
double pt[2]; |
174 |
|
|
DATARRAY *dp; |
175 |
greg |
2.9 |
MFUNC *mf; |
176 |
|
|
int i; |
177 |
greg |
1.1 |
|
178 |
|
|
if (m->oargs.nsargs < 7) |
179 |
|
|
objerror(m, USER, "bad # arguments"); |
180 |
greg |
2.2 |
mf = getfunc(m, 4, 0x3<<5, 0); |
181 |
|
|
setfunc(m, r); |
182 |
greg |
1.4 |
errno = 0; |
183 |
greg |
2.2 |
pt[1] = evalue(mf->ep[0]); /* y major ordering */ |
184 |
|
|
pt[0] = evalue(mf->ep[1]); |
185 |
greg |
2.10 |
if ((errno == EDOM) | (errno == ERANGE)) |
186 |
greg |
1.4 |
goto computerr; |
187 |
greg |
2.2 |
dp = getpict(m->oargs.sarg[3]); |
188 |
greg |
1.1 |
for (i = 0; i < 3; i++) |
189 |
|
|
col[i] = datavalue(dp+i, pt); |
190 |
|
|
errno = 0; |
191 |
greg |
2.3 |
for (i = 0; i < 3; i++) |
192 |
greg |
2.11 |
if (i && fundefined(m->oargs.sarg[i]) < 3) |
193 |
greg |
2.3 |
colval(cval,i) = funvalue(m->oargs.sarg[i], 1, col+i); |
194 |
|
|
else |
195 |
|
|
colval(cval,i) = funvalue(m->oargs.sarg[i], 3, col); |
196 |
greg |
2.10 |
if ((errno == EDOM) | (errno == ERANGE)) |
197 |
greg |
1.1 |
goto computerr; |
198 |
greg |
2.10 |
smultcolor(r->pcol, cval); |
199 |
greg |
2.4 |
return(0); |
200 |
greg |
1.1 |
|
201 |
|
|
computerr: |
202 |
|
|
objerror(m, WARNING, "compute error"); |
203 |
greg |
2.4 |
return(0); |
204 |
greg |
1.1 |
} |
205 |
greg |
2.10 |
|
206 |
|
|
|
207 |
|
|
int |
208 |
|
|
p_spectrum( /* simple constant spectrum */ |
209 |
|
|
OBJREC *m, |
210 |
|
|
RAY *r |
211 |
|
|
) |
212 |
|
|
{ |
213 |
|
|
COLORV *scval; |
214 |
|
|
|
215 |
|
|
if ((scval = (COLORV *)m->os) == NULL) { |
216 |
|
|
COLORV *sinp; |
217 |
|
|
double hstep; |
218 |
|
|
int i; |
219 |
|
|
if (m->oargs.nfargs < 5) |
220 |
|
|
objerror(m, USER, "bad # arguments"); |
221 |
|
|
sinp = (COLORV *)malloc(sizeof(COLORV)*(m->oargs.nfargs-2)); |
222 |
|
|
scval = (COLORV *)malloc(sizeof(COLORV)*NCSAMP); |
223 |
|
|
if ((sinp == NULL) | (scval == NULL)) |
224 |
|
|
objerror(m, SYSTEM, "out of memory"); |
225 |
|
|
for (i = m->oargs.nfargs-2; i--; ) |
226 |
|
|
sinp[i] = (COLORV)m->oargs.farg[i+2]; |
227 |
|
|
hstep = 0.5 * (m->oargs.farg[1] - m->oargs.farg[0]) / |
228 |
|
|
(m->oargs.nfargs-3.0); |
229 |
|
|
convertscolor(scval, NCSAMP, WLPART[0], WLPART[3], |
230 |
|
|
sinp, m->oargs.nfargs-2, |
231 |
|
|
m->oargs.farg[0]-hstep, m->oargs.farg[1]+hstep); |
232 |
|
|
free(sinp); |
233 |
|
|
m->os = (void *)scval; |
234 |
|
|
} |
235 |
|
|
smultscolor(r->pcol, scval); |
236 |
|
|
return(0); |
237 |
|
|
} |
238 |
|
|
|
239 |
|
|
|
240 |
|
|
int |
241 |
|
|
p_specfile( /* constant spectrum from 1-D data file */ |
242 |
|
|
OBJREC *m, |
243 |
|
|
RAY *r |
244 |
|
|
) |
245 |
|
|
{ |
246 |
|
|
COLORV *scval; |
247 |
|
|
|
248 |
|
|
if ((scval = (COLORV *)m->os) == NULL) { |
249 |
|
|
DATARRAY *dp; |
250 |
|
|
COLORV *sinp; |
251 |
|
|
double step; |
252 |
|
|
int i; |
253 |
|
|
if (m->oargs.nsargs != 1) |
254 |
|
|
objerror(m, USER, "bad # arguments"); |
255 |
|
|
dp = getdata(m->oargs.sarg[0]); |
256 |
|
|
if (dp->nd != 1) |
257 |
|
|
objerror(m, USER, "data file must be 1-dimensional"); |
258 |
|
|
|
259 |
|
|
sinp = (COLORV *)malloc(sizeof(COLORV)*dp->dim[0].ne); |
260 |
|
|
scval = (COLORV *)malloc(sizeof(COLORV)*NCSAMP); |
261 |
|
|
if ((sinp == NULL) | (scval == NULL)) |
262 |
|
|
objerror(m, SYSTEM, "out of memory"); |
263 |
|
|
step = dp->dim[0].siz / (dp->dim[0].ne - 1.0); |
264 |
|
|
for (i = dp->dim[0].ne; i-- > 0; ) { |
265 |
|
|
double wl = dp->dim[0].org + i*step; |
266 |
|
|
sinp[i] = (COLORV)datavalue(dp, &wl); |
267 |
|
|
} |
268 |
|
|
convertscolor(scval, NCSAMP, WLPART[0], WLPART[3], |
269 |
|
|
sinp, dp->dim[0].ne, dp->dim[0].org-.5*step, |
270 |
|
|
dp->dim[0].org+dp->dim[0].siz+.5*step); |
271 |
|
|
free(sinp); |
272 |
|
|
m->os = (void *)scval; |
273 |
|
|
} |
274 |
|
|
smultscolor(r->pcol, scval); |
275 |
|
|
return(0); |
276 |
|
|
} |
277 |
greg |
2.11 |
|
278 |
|
|
|
279 |
|
|
int |
280 |
|
|
p_specdata( /* varied spectrum from (N+1)-D file */ |
281 |
|
|
OBJREC *m, |
282 |
|
|
RAY *r |
283 |
|
|
) |
284 |
|
|
{ |
285 |
|
|
SCOLOR scval; |
286 |
|
|
COLORV *scdat; |
287 |
|
|
double pt[MAXDDIM]; |
288 |
|
|
DATARRAY *dp; |
289 |
|
|
MFUNC *mf; |
290 |
|
|
double step; |
291 |
|
|
int i; |
292 |
|
|
|
293 |
|
|
if (m->oargs.nsargs < 4) |
294 |
|
|
objerror(m, USER, "bad # arguments"); |
295 |
|
|
dp = getdata(m->oargs.sarg[1]); |
296 |
|
|
if (dp->nd < 2) |
297 |
|
|
objerror(m, USER, "need at least 2-dimensional data"); |
298 |
|
|
i = (1 << (dp->nd-1)) - 1; |
299 |
|
|
mf = getfunc(m, 2, i<<3, 0); |
300 |
|
|
setfunc(m, r); |
301 |
|
|
errno = 0; |
302 |
|
|
for (i = dp->nd-1; i-- > 0; ) { |
303 |
|
|
pt[i] = evalue(mf->ep[i]); |
304 |
|
|
if ((errno == EDOM) | (errno == ERANGE)) |
305 |
|
|
goto computerr; |
306 |
|
|
} |
307 |
|
|
step = dp->dim[dp->nd-1].siz / (dp->dim[dp->nd-1].ne - 1.0); |
308 |
|
|
scdat = (COLORV *)malloc(sizeof(COLORV)*dp->dim[dp->nd-1].ne); |
309 |
|
|
if (scdat == NULL) |
310 |
|
|
objerror(m, SYSTEM, "out of memory"); |
311 |
|
|
for (i = dp->dim[dp->nd-1].ne; i-- > 0; ) { |
312 |
|
|
double bval[2]; |
313 |
|
|
pt[dp->nd-1] = dp->dim[dp->nd-1].org + i*step; |
314 |
|
|
bval[0] = datavalue(dp, pt); |
315 |
|
|
bval[1] = pt[dp->nd-1]; |
316 |
|
|
errno = 0; |
317 |
|
|
scdat[i] = funvalue(m->oargs.sarg[0], 2, bval); |
318 |
|
|
if ((errno == EDOM) | (errno == ERANGE)) |
319 |
|
|
goto computerr; |
320 |
|
|
} |
321 |
|
|
convertscolor(scval, NCSAMP, WLPART[0], WLPART[3], |
322 |
|
|
scdat, dp->dim[dp->nd-1].ne, |
323 |
|
|
dp->dim[dp->nd-1].org-.5*step, |
324 |
|
|
dp->dim[dp->nd-1].org+dp->dim[dp->nd-1].siz+.5*step); |
325 |
|
|
free(scdat); |
326 |
|
|
smultscolor(r->pcol, scval); |
327 |
|
|
return(0); |
328 |
|
|
computerr: |
329 |
|
|
objerror(m, WARNING, "compute error"); |
330 |
|
|
return(0); |
331 |
|
|
} |
332 |
|
|
|
333 |
|
|
|
334 |
|
|
int |
335 |
|
|
p_specpict( /* interpolate hyperspectral image data */ |
336 |
|
|
OBJREC *m, |
337 |
|
|
RAY *r |
338 |
|
|
) |
339 |
|
|
{ |
340 |
|
|
SCOLOR scdat, scval; |
341 |
|
|
double pt[3]; |
342 |
|
|
DATARRAY *dp; |
343 |
|
|
MFUNC *mf; |
344 |
|
|
double step; |
345 |
|
|
int i; |
346 |
|
|
|
347 |
|
|
if (m->oargs.nsargs < 5) |
348 |
|
|
objerror(m, USER, "bad # arguments"); |
349 |
|
|
mf = getfunc(m, 2, 0x3<<3, 0); |
350 |
|
|
setfunc(m, r); |
351 |
|
|
errno = 0; |
352 |
|
|
pt[1] = evalue(mf->ep[0]); /* y major ordering */ |
353 |
|
|
pt[0] = evalue(mf->ep[1]); |
354 |
|
|
if ((errno == EDOM) | (errno == ERANGE)) |
355 |
|
|
goto computerr; |
356 |
|
|
dp = getspec(m->oargs.sarg[1]); |
357 |
|
|
step = dp->dim[2].siz / (dp->dim[2].ne - 1.0); |
358 |
|
|
for (i = dp->dim[2].ne; i-- > 0; ) { |
359 |
|
|
double bval[2]; |
360 |
|
|
pt[2] = dp->dim[2].org + i*step; |
361 |
|
|
bval[0] = datavalue(dp, pt); |
362 |
|
|
bval[1] = pt[2]; |
363 |
|
|
errno = 0; |
364 |
|
|
scdat[i] = funvalue(m->oargs.sarg[0], 2, bval); |
365 |
|
|
if ((errno == EDOM) | (errno == ERANGE)) |
366 |
|
|
goto computerr; |
367 |
|
|
} |
368 |
|
|
convertscolor(scval, NCSAMP, WLPART[0], WLPART[3], |
369 |
|
|
scdat, dp->dim[2].ne, |
370 |
|
|
dp->dim[2].org-.5*step, |
371 |
|
|
dp->dim[2].org+dp->dim[2].siz+.5*step); |
372 |
|
|
smultscolor(r->pcol, scval); |
373 |
|
|
return(0); |
374 |
|
|
computerr: |
375 |
|
|
objerror(m, WARNING, "compute error"); |
376 |
|
|
return(0); |
377 |
|
|
} |