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/* Copyright (c) 1991 Regents of the University of California */ |
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/* Copyright (c) 1992 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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extern char *fgetword(); |
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extern double atof(); |
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extern char *libpath; /* library search path */ |
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static DATARRAY *dlist = NULL; /* data array list */ |
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static DATARRAY *dlist = NULL; /* data array list */ |
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static DATARRAY *plist = NULL; /* picture list */ |
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static DATARRAY *plist = NULL; /* picture list */ |
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DATARRAY * |
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/* |
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* If we haven't loaded the data already, we will look |
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* for it in the directorys specified by the library path. |
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* for it in the directories specified by the library path. |
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* |
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* The file has the following format: |
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* |
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} |
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static double inpaspect; /* aspect ratio of input picture */ |
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static |
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headaspect(s) /* check string for aspect ratio */ |
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headaspect(s, iap) /* check string for aspect ratio */ |
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char *s; |
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double *iap; |
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{ |
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if (isaspect(s)) |
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inpaspect *= aspectval(s); |
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*iap *= aspectval(s); |
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} |
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char *pname; |
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{ |
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extern char *libpath; |
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double inpaspect; |
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char *pfname; |
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FILE *fp; |
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COLOR *scanin; |
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int sl, ns; |
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RESOLU inpres; |
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RESOLU inpres; |
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FLOAT loc[2]; |
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int y; |
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register int x, i; |
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sprintf(errmsg, "cannot open picture file \"%s\"", pfname); |
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error(SYSTEM, errmsg); |
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} |
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#ifdef MSDOS |
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setmode(fileno(fp), O_BINARY); |
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#endif |
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/* get dimensions */ |
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inpaspect = 1.0; |
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getheader(fp, headaspect); |
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getheader(fp, headaspect, &inpaspect); |
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if (!fgetsresolu(&inpres, fp)) |
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goto readerr; |
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for (i = 0; i < 3; i++) { |
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freedata(dname) /* free memory associated with dname */ |
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char *dname; |
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{ |
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DATARRAY head; |
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register DATARRAY *dp, *dpl; |
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register int i; |
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for (dpl = NULL, dp = dlist; dp != NULL; dpl = dp, dp = dp->next) |
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if (!strcmp(dname, dp->name)) { |
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if (dpl == NULL) |
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dlist = dp->next; |
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else |
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dpl->next = dp->next; |
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head.next = dlist; |
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dpl = &head; |
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while ((dp = dpl->next) != NULL) |
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if (dname == NULL || !strcmp(dname, dp->name)) { |
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dpl->next = dp->next; |
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free((char *)dp->arr); |
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for (i = 0; i < dp->nd; i++) |
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if (dp->dim[i].p != NULL) |
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free((char *)dp->dim[i].p); |
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freestr(dp->name); |
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free((char *)dp); |
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return; |
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} |
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} else |
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dpl = dp; |
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dlist = head.next; |
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} |
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freepict(pname) /* free memory associated with pname */ |
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char *pname; |
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{ |
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DATARRAY head; |
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register DATARRAY *pp, *ppl; |
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for (ppl = NULL, pp = plist; pp != NULL; ppl = pp, pp = pp->next) |
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if (!strcmp(pname, pp->name)) { |
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if (ppl == NULL) |
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plist = pp->next; |
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else |
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ppl->next = pp->next; |
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head.next = plist; |
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ppl = &head; |
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while ((pp = ppl->next) != NULL) |
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if (pname == NULL || !strcmp(pname, pp->name)) { |
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ppl->next = pp->next; |
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free((char *)pp[0].arr); |
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free((char *)pp[1].arr); |
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free((char *)pp[2].arr); |
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freestr(pp[0].name); |
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free((char *)pp); |
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return; |
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} |
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} else |
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ppl = pp; |
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plist = head.next; |
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} |
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double |
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datavalue(dp, pt) /* interpolate data value at a point */ |
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register DATARRAY *dp; |
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double *pt; |
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double *pt; |
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{ |
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DATARRAY sd; |
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int asize; |
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int lower, upper; |
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register int i; |
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double x, y, y0, y1; |
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double x, y, y0, y1; |
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/* set up dimensions for recursion */ |
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sd.nd = dp->nd - 1; |
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asize = 1; |
