| 1 |
– |
/* Copyright (c) 1986 Regents of the University of California */ |
| 2 |
– |
|
| 1 |
|
#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
|
#endif |
| 6 |
– |
|
| 4 |
|
/* |
| 5 |
|
* p_data.c - routine for stored patterns. |
| 9 |
– |
* |
| 10 |
– |
* 6/4/86 |
| 6 |
|
*/ |
| 7 |
|
|
| 8 |
< |
#include "ray.h" |
| 8 |
> |
#include "copyright.h" |
| 9 |
|
|
| 10 |
+ |
#include "ray.h" |
| 11 |
|
#include "data.h" |
| 12 |
+ |
#include "func.h" |
| 13 |
+ |
#include "rtotypes.h" |
| 14 |
|
|
| 15 |
|
/* |
| 16 |
< |
* A stored pattern can either be brightness or |
| 17 |
< |
* color data. Brightness data is specified as: |
| 16 |
> |
* A stored pattern can either be brightness, |
| 17 |
> |
* color, or spectral data. Brightness data is specified as: |
| 18 |
|
* |
| 19 |
|
* modifier brightdata name |
| 20 |
|
* 4+ func dfname vfname v0 v1 .. xf |
| 35 |
|
* 0 |
| 36 |
|
* n A1 A2 .. |
| 37 |
|
* |
| 38 |
+ |
* 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 |
|
* Vfname is the name of the file where the variable definitions |
| 53 |
|
* can be found. The list of real arguments can be accessed by |
| 54 |
|
* definitions in the file. The dfnames are the data file |
| 55 |
|
* names. The dimensions of the data files and the number |
| 56 |
|
* of variables must match. The funcs take a single argument |
| 57 |
|
* for brightdata, and three for colordata and colorpict to produce |
| 58 |
< |
* interpolated values from the file. The xf is a transformation |
| 58 |
> |
* interpolated values from the file. The xf is a transform spec |
| 59 |
|
* to get from the original coordinates to the current coordinates. |
| 60 |
|
*/ |
| 61 |
|
|
| 62 |
|
|
| 63 |
< |
p_bdata(m, r) /* interpolate brightness data */ |
| 64 |
< |
register OBJREC *m; |
| 65 |
< |
RAY *r; |
| 63 |
> |
int |
| 64 |
> |
p_bdata( /* interpolate brightness data */ |
| 65 |
> |
OBJREC *m, |
| 66 |
> |
RAY *r |
| 67 |
> |
) |
| 68 |
|
{ |
| 55 |
– |
extern double varvalue(), funvalue(), datavalue(); |
| 56 |
– |
extern int errno; |
| 57 |
– |
int nv; |
| 69 |
|
double bval; |
| 70 |
< |
double pt[MAXDIM]; |
| 70 |
> |
double pt[MAXDDIM]; |
| 71 |
|
DATARRAY *dp; |
| 72 |
< |
register char **sa; |
| 72 |
> |
MFUNC *mf; |
| 73 |
> |
int i; |
| 74 |
|
|
| 63 |
– |
setfunc(m, r); |
| 64 |
– |
|
| 65 |
– |
sa = m->oargs.sarg; |
| 66 |
– |
|
| 75 |
|
if (m->oargs.nsargs < 4) |
| 76 |
|
objerror(m, USER, "bad # arguments"); |
| 77 |
< |
if (!vardefined(sa[3])) |
| 78 |
< |
loadfunc(sa[2]); |
| 77 |
> |
dp = getdata(m->oargs.sarg[1]); |
| 78 |
> |
i = (1 << dp->nd) - 1; |
| 79 |
> |
mf = getfunc(m, 2, i<<3, 0); |
| 80 |
> |
setfunc(m, r); |
| 81 |
|
errno = 0; |
| 82 |
< |
for (nv = 0; nv+3 < m->oargs.nsargs && |
| 83 |
< |
sa[nv+3][0] != '-'; nv++) { |
| 84 |
< |
if (nv >= MAXDIM) |
| 85 |
< |
goto dimerr; |
| 76 |
< |
pt[nv] = varvalue(sa[nv+3]); |
| 82 |
> |
for (i = dp->nd; i-- > 0; ) { |
| 83 |
> |
pt[i] = evalue(mf->ep[i]); |
| 84 |
> |
if ((errno == EDOM) | (errno == ERANGE)) |
| 85 |
> |
goto computerr; |
| 86 |
|
} |
| 78 |
– |
if (errno) |
| 79 |
– |
goto computerr; |
| 80 |
– |
dp = getdata(sa[1]); |
| 81 |
– |
if (dp->nd != nv) |
| 82 |
– |
goto dimerr; |
| 87 |
|
bval = datavalue(dp, pt); |
| 88 |
|
errno = 0; |
| 89 |
< |
bval = funvalue(sa[0], 1, &bval); |
| 90 |
< |
if (errno) |
| 89 |
> |
bval = funvalue(m->oargs.sarg[0], 1, &bval); |
| 90 |
> |
if ((errno == EDOM) | (errno == ERANGE)) |
| 91 |
|
goto computerr; |
| 92 |
< |
scalecolor(r->pcol, bval); |
| 93 |
< |
return; |
| 90 |
< |
|
| 91 |
< |
dimerr: |
| 92 |
< |
objerror(m, USER, "dimension error"); |
| 93 |
< |
|
| 92 |
> |
scalescolor(r->pcol, bval); |
| 93 |
> |
return(0); |
| 94 |
|
computerr: |
| 95 |
|
objerror(m, WARNING, "compute error"); |
| 96 |
< |
return; |
| 96 |
> |
return(0); |
| 97 |
|
} |
| 98 |
|
|
| 99 |
|
|
| 100 |
< |
p_cdata(m, r) /* interpolate color data */ |
| 101 |
< |
register OBJREC *m; |
| 102 |
< |
RAY *r; |
| 100 |
> |
int |
| 101 |
> |
p_cdata( /* interpolate color data */ |
| 102 |
> |
OBJREC *m, |
| 103 |
> |
RAY *r |
| 104 |
> |
) |
| 105 |
|
{ |
| 104 |
– |
extern double varvalue(), funvalue(), datavalue(); |
| 105 |
– |
extern int errno; |
| 106 |
– |
int i, nv; |
| 106 |
|
double col[3]; |
| 107 |
|
COLOR cval; |
| 108 |
< |
double pt[MAXDIM]; |
| 108 |
> |
double pt[MAXDDIM]; |
| 109 |
> |
int nv; |
| 110 |
|
DATARRAY *dp; |
| 111 |
< |
register char **sa; |
| 111 |
> |
MFUNC *mf; |
| 112 |
> |
int i; |
| 113 |
|
|
| 113 |
– |
setfunc(m, r); |
| 114 |
– |
|
| 115 |
– |
sa = m->oargs.sarg; |
| 116 |
– |
|
| 114 |
|
if (m->oargs.nsargs < 8) |
| 115 |
|
objerror(m, USER, "bad # arguments"); |
| 116 |
< |
if (!vardefined(sa[7])) |
| 117 |
< |
loadfunc(sa[6]); |
| 118 |
< |
for (nv = 0; nv+7 < m->oargs.nsargs && |
| 119 |
< |
sa[nv+7][0] != '-'; nv++) { |
| 120 |
< |
if (nv >= MAXDIM) |
| 121 |
< |
goto dimerr; |
| 122 |
< |
errno = 0; |
| 123 |
< |
pt[nv] = varvalue(sa[nv+7]); |
| 127 |
< |
if (errno) |
| 116 |
> |
dp = getdata(m->oargs.sarg[3]); |
| 117 |
> |
i = (1 << (nv = dp->nd)) - 1; |
| 118 |
> |
mf = getfunc(m, 6, i<<7, 0); |
| 119 |
> |
setfunc(m, r); |
| 120 |
> |
errno = 0; |
| 121 |
> |
for (i = 0; i < nv; i++) { |
| 122 |
> |
pt[i] = evalue(mf->ep[i]); |
| 123 |
> |
if ((errno == EDOM) | (errno == ERANGE)) |
| 124 |
|
goto computerr; |
| 125 |
|
} |
| 126 |
< |
for (i = 0; i < 3; i++) { |
| 127 |
< |
dp = getdata(sa[i+3]); |
| 126 |
> |
col[0] = datavalue(dp, pt); |
| 127 |
> |
for (i = 1; i < 3; i++) { |
| 128 |
> |
dp = getdata(m->oargs.sarg[i+3]); |
| 129 |
|
if (dp->nd != nv) |
| 130 |
< |
goto dimerr; |
| 130 |
> |
objerror(m, USER, "dimension error"); |
| 131 |
|
col[i] = datavalue(dp, pt); |
| 132 |
|
} |
| 133 |
|
errno = 0; |
| 134 |
< |
setcolor(cval, funvalue(sa[0], 3, col), |
| 135 |
< |
funvalue(sa[1], 3, col), |
| 136 |
< |
funvalue(sa[2], 3, col)); |
| 137 |
< |
if (errno) |
| 134 |
> |
for (i = 0; i < 3; i++) |
| 135 |
> |
if (fundefined(m->oargs.sarg[i]) < 3) |
| 136 |
> |
colval(cval,i) = funvalue(m->oargs.sarg[i], 1, col+i); |
| 137 |
> |
else |
| 138 |
> |
colval(cval,i) = funvalue(m->oargs.sarg[i], 3, col); |
| 139 |
> |
if ((errno == EDOM) | (errno == ERANGE)) |
| 140 |
|
goto computerr; |
| 141 |
< |
multcolor(r->pcol, cval); |
| 142 |
< |
return; |
| 144 |
< |
|
| 145 |
< |
dimerr: |
| 146 |
< |
objerror(m, USER, "dimension error"); |
| 147 |
< |
|
| 141 |
> |
smultcolor(r->pcol, cval); |
| 142 |
> |
return(0); |
| 143 |
|
computerr: |
| 144 |
|
objerror(m, WARNING, "compute error"); |
| 145 |
< |
return; |
| 145 |
> |
return(0); |
| 146 |
|
} |
| 147 |
|
|
| 148 |
|
|
| 149 |
< |
p_pdata(m, r) /* interpolate picture data */ |
| 150 |
< |
register OBJREC *m; |
| 151 |
< |
RAY *r; |
| 149 |
> |
int |
| 150 |
> |
p_pdata( /* interpolate picture data */ |
| 151 |
> |
OBJREC *m, |
| 152 |
> |
RAY *r |
| 153 |
> |
) |
| 154 |
|
{ |
| 158 |
– |
extern double varvalue(), funvalue(), datavalue(); |
| 159 |
– |
extern int errno; |
| 160 |
– |
int i; |
| 155 |
|
double col[3]; |
| 156 |
|
COLOR cval; |
| 157 |
|
double pt[2]; |
| 158 |
|
DATARRAY *dp; |
| 159 |
< |
register char **sa; |
| 159 |
> |
MFUNC *mf; |
| 160 |
> |
int i; |
| 161 |
|
|
| 167 |
– |
setfunc(m, r); |
| 168 |
– |
|
| 169 |
– |
sa = m->oargs.sarg; |
| 170 |
– |
|
| 162 |
|
if (m->oargs.nsargs < 7) |
| 163 |
|
objerror(m, USER, "bad # arguments"); |
| 164 |
< |
if (!vardefined(sa[5])) |
| 165 |
< |
loadfunc(sa[4]); |
| 166 |
< |
for (i = 0; i < 2; i++) { |
| 167 |
< |
errno = 0; |
| 168 |
< |
pt[1-i] = varvalue(sa[i+5]); /* y major ordering */ |
| 169 |
< |
if (errno) |
| 170 |
< |
goto computerr; |
| 171 |
< |
} |
| 181 |
< |
dp = getpict(sa[3]); |
| 164 |
> |
mf = getfunc(m, 4, 0x3<<5, 0); |
| 165 |
> |
setfunc(m, r); |
| 166 |
> |
errno = 0; |
| 167 |
> |
pt[1] = evalue(mf->ep[0]); /* y major ordering */ |
| 168 |
> |
pt[0] = evalue(mf->ep[1]); |
| 169 |
> |
if ((errno == EDOM) | (errno == ERANGE)) |
| 170 |
> |
goto computerr; |
| 171 |
> |
dp = getpict(m->oargs.sarg[3]); |
| 172 |
|
for (i = 0; i < 3; i++) |
| 173 |
|
col[i] = datavalue(dp+i, pt); |
| 174 |
|
errno = 0; |
| 175 |
< |
setcolor(cval, funvalue(sa[0], 3, col), |
| 176 |
< |
funvalue(sa[1], 3, col), |
| 177 |
< |
funvalue(sa[2], 3, col)); |
| 178 |
< |
if (errno) |
| 175 |
> |
for (i = 0; i < 3; i++) |
| 176 |
> |
if (fundefined(m->oargs.sarg[i]) < 3) |
| 177 |
> |
colval(cval,i) = funvalue(m->oargs.sarg[i], 1, col+i); |
| 178 |
> |
else |
| 179 |
> |
colval(cval,i) = funvalue(m->oargs.sarg[i], 3, col); |
| 180 |
> |
if ((errno == EDOM) | (errno == ERANGE)) |
| 181 |
|
goto computerr; |
| 182 |
< |
multcolor(r->pcol, cval); |
| 183 |
< |
return; |
| 182 |
> |
smultcolor(r->pcol, cval); |
| 183 |
> |
return(0); |
| 184 |
|
|
| 185 |
|
computerr: |
| 186 |
|
objerror(m, WARNING, "compute error"); |
| 187 |
< |
return; |
| 187 |
> |
return(0); |
| 188 |
> |
} |
| 189 |
> |
|
| 190 |
> |
|
| 191 |
> |
int |
| 192 |
> |
p_spectrum( /* simple constant spectrum */ |
| 193 |
> |
OBJREC *m, |
| 194 |
> |
RAY *r |
| 195 |
> |
) |
| 196 |
> |
{ |
| 197 |
> |
COLORV *scval; |
| 198 |
> |
|
| 199 |
> |
if ((scval = (COLORV *)m->os) == NULL) { |
| 200 |
> |
COLORV *sinp; |
| 201 |
> |
double hstep; |
| 202 |
> |
int i; |
| 203 |
> |
if (m->oargs.nfargs < 5) |
| 204 |
> |
objerror(m, USER, "bad # arguments"); |
| 205 |
> |
sinp = (COLORV *)malloc(sizeof(COLORV)*(m->oargs.nfargs-2)); |
| 206 |
> |
scval = (COLORV *)malloc(sizeof(COLORV)*NCSAMP); |
| 207 |
> |
if ((sinp == NULL) | (scval == NULL)) |
| 208 |
> |
objerror(m, SYSTEM, "out of memory"); |
| 209 |
> |
for (i = m->oargs.nfargs-2; i--; ) |
| 210 |
> |
sinp[i] = (COLORV)m->oargs.farg[i+2]; |
| 211 |
> |
hstep = 0.5 * (m->oargs.farg[1] - m->oargs.farg[0]) / |
| 212 |
> |
(m->oargs.nfargs-3.0); |
| 213 |
> |
convertscolor(scval, NCSAMP, WLPART[0], WLPART[3], |
| 214 |
> |
sinp, m->oargs.nfargs-2, |
| 215 |
> |
m->oargs.farg[0]-hstep, m->oargs.farg[1]+hstep); |
| 216 |
> |
free(sinp); |
| 217 |
> |
m->os = (void *)scval; |
| 218 |
> |
} |
| 219 |
> |
smultscolor(r->pcol, scval); |
| 220 |
> |
return(0); |
| 221 |
> |
} |
| 222 |
> |
|
| 223 |
> |
|
| 224 |
> |
int |
| 225 |
> |
p_specfile( /* constant spectrum from 1-D data file */ |
| 226 |
> |
OBJREC *m, |
| 227 |
> |
RAY *r |
| 228 |
> |
) |
| 229 |
> |
{ |
| 230 |
> |
COLORV *scval; |
| 231 |
> |
|
| 232 |
> |
if ((scval = (COLORV *)m->os) == NULL) { |
| 233 |
> |
DATARRAY *dp; |
| 234 |
> |
COLORV *sinp; |
| 235 |
> |
double step; |
| 236 |
> |
int i; |
| 237 |
> |
if (m->oargs.nsargs != 1) |
| 238 |
> |
objerror(m, USER, "bad # arguments"); |
| 239 |
> |
dp = getdata(m->oargs.sarg[0]); |
| 240 |
> |
if (dp->nd != 1) |
| 241 |
> |
objerror(m, USER, "data file must be 1-dimensional"); |
| 242 |
> |
|
| 243 |
> |
sinp = (COLORV *)malloc(sizeof(COLORV)*dp->dim[0].ne); |
| 244 |
> |
scval = (COLORV *)malloc(sizeof(COLORV)*NCSAMP); |
| 245 |
> |
if ((sinp == NULL) | (scval == NULL)) |
| 246 |
> |
objerror(m, SYSTEM, "out of memory"); |
| 247 |
> |
step = dp->dim[0].siz / (dp->dim[0].ne - 1.0); |
| 248 |
> |
for (i = dp->dim[0].ne; i-- > 0; ) { |
| 249 |
> |
double wl = dp->dim[0].org + i*step; |
| 250 |
> |
sinp[i] = (COLORV)datavalue(dp, &wl); |
| 251 |
> |
} |
| 252 |
> |
convertscolor(scval, NCSAMP, WLPART[0], WLPART[3], |
| 253 |
> |
sinp, dp->dim[0].ne, dp->dim[0].org-.5*step, |
| 254 |
> |
dp->dim[0].org+dp->dim[0].siz+.5*step); |
| 255 |
> |
free(sinp); |
| 256 |
> |
m->os = (void *)scval; |
| 257 |
> |
} |
| 258 |
> |
smultscolor(r->pcol, scval); |
| 259 |
> |
return(0); |
| 260 |
|
} |
