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/* Copyright (c) 1993 Regents of the University of California */ |
1 |
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/* Copyright (c) 1996 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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7 |
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/* |
8 |
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* data.c - routines dealing with interpolated data. |
9 |
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* |
10 |
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* 6/4/86 |
9 |
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*/ |
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11 |
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#include "standard.h" |
19 |
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/* picture memory usage before warning */ |
20 |
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#ifndef PSIZWARN |
21 |
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#ifdef BIGMEM |
22 |
< |
#define PSIZWARN 3000000 |
22 |
> |
#define PSIZWARN 5000000 |
23 |
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#else |
24 |
< |
#define PSIZWARN 1000000 |
24 |
> |
#define PSIZWARN 1500000 |
25 |
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#endif |
26 |
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#endif |
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|
32 |
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#define hash(s) (shash(s)%TABSIZ) |
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|
34 |
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|
37 |
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extern char *fgetword(); |
38 |
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|
35 |
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extern char *getlibpath(); /* library search path */ |
36 |
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|
37 |
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static DATARRAY *dtab[TABSIZ]; /* data array list */ |
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|
43 |
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static DATARRAY *ptab[TABSIZ]; /* picture list */ |
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|
45 |
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|
40 |
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DATARRAY * |
41 |
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getdata(dname) /* get data array dname */ |
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char *dname; |
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{ |
50 |
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char word[64]; |
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char *dfname; |
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FILE *fp; |
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int asize; |
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sprintf(errmsg, "cannot find data file \"%s\"", dname); |
76 |
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error(USER, errmsg); |
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} |
85 |
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if ((dp = (DATARRAY *)malloc(sizeof(DATARRAY))) == NULL) |
86 |
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goto memerr; |
87 |
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|
88 |
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dp->name = savestr(dname); |
89 |
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|
78 |
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if ((fp = fopen(dfname, "r")) == NULL) { |
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sprintf(errmsg, "cannot open data file \"%s\"", dfname); |
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error(SYSTEM, errmsg); |
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} |
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/* get dimensions */ |
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if (fgetword(word, sizeof(word), fp) == NULL || !isint(word)) |
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> |
if (fgetval(fp, 'i', &asize) <= 0) |
84 |
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goto scanerr; |
85 |
< |
dp->nd = atoi(word); |
98 |
< |
if (dp->nd <= 0 || dp->nd > MAXDDIM) { |
85 |
> |
if (asize <= 0 | asize > MAXDDIM) { |
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sprintf(errmsg, "bad number of dimensions for \"%s\"", dname); |
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error(USER, errmsg); |
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} |
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+ |
if ((dp = (DATARRAY *)malloc(sizeof(DATARRAY))) == NULL) |
90 |
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goto memerr; |
91 |
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dp->name = savestr(dname); |
92 |
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dp->type = DATATY; |
93 |
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dp->nd = asize; |
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asize = 1; |
95 |
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for (i = 0; i < dp->nd; i++) { |
96 |
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if (fgetword(word, sizeof(word), fp) == NULL || !isflt(word)) |
96 |
> |
if (fgetval(fp, DATATY, &dp->dim[i].org) <= 0) |
97 |
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goto scanerr; |
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dp->dim[i].org = atof(word); |
107 |
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if (fgetword(word, sizeof(word), fp) == NULL || !isflt(word)) |
98 |
> |
if (fgetval(fp, DATATY, &dp->dim[i].siz) <= 0) |
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goto scanerr; |
100 |
< |
dp->dim[i].siz = atof(word); |
110 |
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if (fgetword(word, sizeof(word), fp) == NULL || !isint(word)) |
100 |
> |
if (fgetval(fp, 'i', &dp->dim[i].ne) <= 0) |
101 |
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goto scanerr; |
112 |
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dp->dim[i].ne = atoi(word); |
102 |
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if (dp->dim[i].ne < 2) |
103 |
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goto scanerr; |
104 |
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asize *= dp->dim[i].ne; |
105 |
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if ((dp->dim[i].siz -= dp->dim[i].org) == 0) { |
106 |
< |
dp->dim[i].p = (double *)malloc(dp->dim[i].ne*sizeof(double)); |
106 |
> |
dp->dim[i].p = (DATATYPE *) |
107 |
> |
malloc(dp->dim[i].ne*sizeof(DATATYPE)); |
108 |
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if (dp->dim[i].p == NULL) |
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goto memerr; |
110 |
< |
for (j = 0; j < dp->dim[i].ne; j++) { |
111 |
< |
if (fgetword(word, sizeof(word), fp) == NULL || |
122 |
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!isflt(word)) |
110 |
> |
for (j = 0; j < dp->dim[i].ne; j++) |
111 |
> |
if (fgetval(fp, DATATY, &dp->dim[i].p[j]) <= 0) |
112 |
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goto scanerr; |
124 |
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dp->dim[i].p[j] = atof(word); |
125 |
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} |
113 |
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for (j = 1; j < dp->dim[i].ne-1; j++) |
114 |
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if ((dp->dim[i].p[j-1] < dp->dim[i].p[j]) != |
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(dp->dim[i].p[j] < dp->dim[i].p[j+1])) |
120 |
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} else |
121 |
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dp->dim[i].p = NULL; |
122 |
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} |
123 |
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if ((dp->arr = (DATATYPE *)malloc(asize*sizeof(DATATYPE))) == NULL) |
123 |
> |
if ((dp->arr.d = (DATATYPE *)malloc(asize*sizeof(DATATYPE))) == NULL) |
124 |
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goto memerr; |
125 |
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|
126 |
< |
for (i = 0; i < asize; i++) { |
127 |
< |
if (fgetword(word, sizeof(word), fp) == NULL || !isflt(word)) |
126 |
> |
for (i = 0; i < asize; i++) |
127 |
> |
if (fgetval(fp, DATATY, &dp->arr.d[i]) <= 0) |
128 |
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goto scanerr; |
142 |
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dp->arr[i] = atof(word); |
143 |
– |
} |
129 |
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fclose(fp); |
130 |
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i = hash(dname); |
131 |
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dp->next = dtab[i]; |
145 |
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char *s; |
146 |
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double *iap; |
147 |
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{ |
148 |
+ |
char fmt[32]; |
149 |
+ |
|
150 |
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if (isaspect(s)) |
151 |
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*iap *= aspectval(s); |
152 |
+ |
else if (formatval(fmt, s) && strcmp(fmt, COLRFMT)) |
153 |
+ |
*iap = 0.0; |
154 |
+ |
return(0); |
155 |
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} |
156 |
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|
157 |
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|
162 |
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double inpaspect; |
163 |
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char *pfname; |
164 |
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FILE *fp; |
165 |
< |
COLOR *scanin; |
165 |
> |
COLR *scanin; |
166 |
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int sl, ns; |
167 |
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RESOLU inpres; |
168 |
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FLOAT loc[2]; |
170 |
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register int x, i; |
171 |
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register DATARRAY *pp; |
172 |
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/* look for array in list */ |
173 |
< |
for (pp = ptab[hash(pname)]; pp != NULL; pp = pp->next) |
173 |
> |
for (pp = dtab[hash(pname)]; pp != NULL; pp = pp->next) |
174 |
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if (!strcmp(pname, pp->name)) |
175 |
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return(pp); /* found! */ |
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|
178 |
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sprintf(errmsg, "cannot find picture file \"%s\"", pname); |
179 |
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error(USER, errmsg); |
180 |
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} |
181 |
< |
if ((pp = (DATARRAY *)calloc(3, sizeof(DATARRAY))) == NULL) |
181 |
> |
if ((pp = (DATARRAY *)malloc(3*sizeof(DATARRAY))) == NULL) |
182 |
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goto memerr; |
183 |
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|
184 |
< |
pp[0].name = |
195 |
< |
pp[1].name = |
196 |
< |
pp[2].name = savestr(pname); |
184 |
> |
pp[0].name = savestr(pname); |
185 |
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|
186 |
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if ((fp = fopen(pfname, "r")) == NULL) { |
187 |
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sprintf(errmsg, "cannot open picture file \"%s\"", pfname); |
193 |
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/* get dimensions */ |
194 |
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inpaspect = 1.0; |
195 |
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getheader(fp, headaspect, &inpaspect); |
196 |
< |
if (!fgetsresolu(&inpres, fp)) |
196 |
> |
if (inpaspect <= FTINY || !fgetsresolu(&inpres, fp)) |
197 |
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goto readerr; |
198 |
+ |
pp[0].nd = 2; |
199 |
+ |
pp[0].dim[0].ne = inpres.yr; |
200 |
+ |
pp[0].dim[1].ne = inpres.xr; |
201 |
+ |
pp[0].dim[0].org = |
202 |
+ |
pp[0].dim[1].org = 0.0; |
203 |
+ |
if (inpres.xr <= inpres.yr*inpaspect) { |
204 |
+ |
pp[0].dim[0].siz = inpaspect * |
205 |
+ |
(double)inpres.yr/inpres.xr; |
206 |
+ |
pp[0].dim[1].siz = 1.0; |
207 |
+ |
} else { |
208 |
+ |
pp[0].dim[0].siz = 1.0; |
209 |
+ |
pp[0].dim[1].siz = (double)inpres.xr/inpres.yr / |
210 |
+ |
inpaspect; |
211 |
+ |
} |
212 |
+ |
pp[0].dim[0].p = pp[0].dim[1].p = NULL; |
213 |
+ |
sl = scanlen(&inpres); /* allocate array */ |
214 |
+ |
ns = numscans(&inpres); |
215 |
+ |
i = ns*sl*sizeof(COLR); |
216 |
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#if PSIZWARN |
217 |
< |
/* check memory usage */ |
212 |
< |
i = 3*sizeof(DATATYPE)*inpres.xr*inpres.yr; |
213 |
< |
if (i > PSIZWARN) { |
217 |
> |
if (i > PSIZWARN) { /* memory warning */ |
218 |
|
sprintf(errmsg, "picture file \"%s\" using %d bytes of memory", |
219 |
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pname, i); |
220 |
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error(WARNING, errmsg); |
221 |
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} |
222 |
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#endif |
223 |
< |
for (i = 0; i < 3; i++) { |
224 |
< |
pp[i].nd = 2; |
221 |
< |
pp[i].dim[0].ne = inpres.yr; |
222 |
< |
pp[i].dim[1].ne = inpres.xr; |
223 |
< |
pp[i].dim[0].org = |
224 |
< |
pp[i].dim[1].org = 0.0; |
225 |
< |
if (inpres.xr <= inpres.yr*inpaspect) { |
226 |
< |
pp[i].dim[0].siz = inpaspect * |
227 |
< |
(double)inpres.yr/inpres.xr; |
228 |
< |
pp[i].dim[1].siz = 1.0; |
229 |
< |
} else { |
230 |
< |
pp[i].dim[0].siz = 1.0; |
231 |
< |
pp[i].dim[1].siz = (double)inpres.xr/inpres.yr / |
232 |
< |
inpaspect; |
233 |
< |
} |
234 |
< |
pp[i].dim[0].p = pp[i].dim[1].p = NULL; |
235 |
< |
pp[i].arr = (DATATYPE *) |
236 |
< |
malloc(inpres.xr*inpres.yr*sizeof(DATATYPE)); |
237 |
< |
if (pp[i].arr == NULL) |
238 |
< |
goto memerr; |
239 |
< |
} |
223 |
> |
if ((pp[0].arr.c = (COLR *)malloc(i)) == NULL) |
224 |
> |
goto memerr; |
225 |
|
/* load picture */ |
226 |
< |
sl = scanlen(&inpres); |
242 |
< |
ns = numscans(&inpres); |
243 |
< |
if ((scanin = (COLOR *)malloc(sl*sizeof(COLOR))) == NULL) |
226 |
> |
if ((scanin = (COLR *)malloc(sl*sizeof(COLR))) == NULL) |
227 |
|
goto memerr; |
228 |
|
for (y = 0; y < ns; y++) { |
229 |
< |
if (freadscan(scanin, sl, fp) < 0) |
229 |
> |
if (freadcolrs(scanin, sl, fp) < 0) |
230 |
|
goto readerr; |
231 |
|
for (x = 0; x < sl; x++) { |
232 |
|
pix2loc(loc, &inpres, x, y); |
233 |
|
i = (int)(loc[1]*inpres.yr)*inpres.xr + |
234 |
|
(int)(loc[0]*inpres.xr); |
235 |
< |
pp[0].arr[i] = colval(scanin[x],RED); |
253 |
< |
pp[1].arr[i] = colval(scanin[x],GRN); |
254 |
< |
pp[2].arr[i] = colval(scanin[x],BLU); |
235 |
> |
copycolr(pp[0].arr.c[i], scanin[x]); |
236 |
|
} |
237 |
|
} |
238 |
|
free((char *)scanin); |
239 |
|
fclose(fp); |
240 |
|
i = hash(pname); |
241 |
< |
pp[0].next = |
242 |
< |
pp[1].next = |
243 |
< |
pp[2].next = ptab[i]; |
244 |
< |
return(ptab[i] = pp); |
241 |
> |
pp[0].next = dtab[i]; /* link into picture list */ |
242 |
> |
copystruct(&pp[1], &pp[0]); |
243 |
> |
copystruct(&pp[2], &pp[0]); |
244 |
> |
pp[0].type = RED; /* differentiate RGB records */ |
245 |
> |
pp[1].type = GRN; |
246 |
> |
pp[2].type = BLU; |
247 |
> |
return(dtab[i] = pp); |
248 |
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|
249 |
|
memerr: |
250 |
|
error(SYSTEM, "out of memory in getpict"); |
273 |
|
while ((dp = dpl->next) != NULL) |
274 |
|
if (dname == NULL || !strcmp(dname, dp->name)) { |
275 |
|
dpl->next = dp->next; |
276 |
< |
free((char *)dp->arr); |
276 |
> |
if (dp->type == DATATY) |
277 |
> |
free((char *)dp->arr.d); |
278 |
> |
else |
279 |
> |
free((char *)dp->arr.c); |
280 |
|
for (i = 0; i < dp->nd; i++) |
281 |
|
if (dp->dim[i].p != NULL) |
282 |
|
free((char *)dp->dim[i].p); |
289 |
|
} |
290 |
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|
291 |
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|
305 |
– |
freepict(pname) /* free memory associated with pname */ |
306 |
– |
char *pname; |
307 |
– |
{ |
308 |
– |
DATARRAY head; |
309 |
– |
int hval, nents; |
310 |
– |
register DATARRAY *pp, *ppl; |
311 |
– |
|
312 |
– |
if (pname == NULL) { /* free all if NULL */ |
313 |
– |
hval = 0; nents = TABSIZ; |
314 |
– |
} else { |
315 |
– |
hval = hash(pname); nents = 1; |
316 |
– |
} |
317 |
– |
while (nents--) { |
318 |
– |
head.next = ptab[hval]; |
319 |
– |
ppl = &head; |
320 |
– |
while ((pp = ppl->next) != NULL) |
321 |
– |
if (pname == NULL || !strcmp(pname, pp->name)) { |
322 |
– |
ppl->next = pp->next; |
323 |
– |
free((char *)pp[0].arr); |
324 |
– |
free((char *)pp[1].arr); |
325 |
– |
free((char *)pp[2].arr); |
326 |
– |
freestr(pp[0].name); |
327 |
– |
free((char *)pp); |
328 |
– |
} else |
329 |
– |
ppl = pp; |
330 |
– |
ptab[hval++] = head.next; |
331 |
– |
} |
332 |
– |
} |
333 |
– |
|
334 |
– |
|
292 |
|
double |
293 |
|
datavalue(dp, pt) /* interpolate data value at a point */ |
294 |
|
register DATARRAY *dp; |
300 |
|
register int i; |
301 |
|
double x, y0, y1; |
302 |
|
/* set up dimensions for recursion */ |
303 |
< |
sd.nd = dp->nd - 1; |
304 |
< |
asize = 1; |
305 |
< |
for (i = 0; i < sd.nd; i++) { |
306 |
< |
sd.dim[i].org = dp->dim[i+1].org; |
307 |
< |
sd.dim[i].siz = dp->dim[i+1].siz; |
308 |
< |
sd.dim[i].p = dp->dim[i+1].p; |
309 |
< |
asize *= sd.dim[i].ne = dp->dim[i+1].ne; |
303 |
> |
if (dp->nd > 1) { |
304 |
> |
sd.name = dp->name; |
305 |
> |
sd.type = dp->type; |
306 |
> |
sd.nd = dp->nd - 1; |
307 |
> |
asize = 1; |
308 |
> |
for (i = 0; i < sd.nd; i++) { |
309 |
> |
sd.dim[i].org = dp->dim[i+1].org; |
310 |
> |
sd.dim[i].siz = dp->dim[i+1].siz; |
311 |
> |
sd.dim[i].p = dp->dim[i+1].p; |
312 |
> |
asize *= sd.dim[i].ne = dp->dim[i+1].ne; |
313 |
> |
} |
314 |
|
} |
315 |
|
/* get independent variable */ |
316 |
|
if (dp->dim[0].p == NULL) { /* evenly spaced points */ |
342 |
|
(dp->dim[0].p[i+1] - dp->dim[0].p[i]); |
343 |
|
} |
344 |
|
/* get dependent variable */ |
345 |
< |
if (dp->nd == 1) { |
346 |
< |
y0 = dp->arr[i]; |
347 |
< |
y1 = dp->arr[i+1]; |
345 |
> |
if (dp->nd > 1) { |
346 |
> |
if (dp->type == DATATY) { |
347 |
> |
sd.arr.d = dp->arr.d + i*asize; |
348 |
> |
y0 = datavalue(&sd, pt+1); |
349 |
> |
sd.arr.d = dp->arr.d + (i+1)*asize; |
350 |
> |
y1 = datavalue(&sd, pt+1); |
351 |
> |
} else { |
352 |
> |
sd.arr.c = dp->arr.c + i*asize; |
353 |
> |
y0 = datavalue(&sd, pt+1); |
354 |
> |
sd.arr.c = dp->arr.c + (i+1)*asize; |
355 |
> |
y1 = datavalue(&sd, pt+1); |
356 |
> |
} |
357 |
|
} else { |
358 |
< |
sd.arr = &dp->arr[i*asize]; |
359 |
< |
y0 = datavalue(&sd, pt+1); |
360 |
< |
sd.arr = &dp->arr[(i+1)*asize]; |
361 |
< |
y1 = datavalue(&sd, pt+1); |
358 |
> |
if (dp->type == DATATY) { |
359 |
> |
y0 = dp->arr.d[i]; |
360 |
> |
y1 = dp->arr.d[i+1]; |
361 |
> |
} else { |
362 |
> |
y0 = colrval(dp->arr.c[i],dp->type); |
363 |
> |
y1 = colrval(dp->arr.c[i+1],dp->type); |
364 |
> |
} |
365 |
|
} |
366 |
|
/* |
367 |
|
* Extrapolate as far as one division, then |