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greg |
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#ifndef lint
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schorsch |
1.3 |
static const char RCSid[] = "$Id: tscat.c,v 1.2 2003/06/08 12:03:10 schorsch Exp $";
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greg |
1.1 |
#endif
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/*
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* PROGRAM TO PLOT TEL-A-GRAF POINTS TO METAFILE
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*
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* Greg Ward
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* 12/12/84
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*
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* cc -o ../tscat tscat.c tgraph.o primout.o mfio.o syscalls.o misc.o -lm
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*/
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#include "tgraph.h"
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schorsch |
1.2 |
#include "paths.h"
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greg |
1.1 |
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#define XLEGEND (XBEG+XSIZ+4*TSIZ) /* x start of legend */
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#define YLEGEND (YBEG+2*YSIZ/3) /* y start of legend */
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short usecurve[NCUR]; /* booleans for curve usage */
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double xmin, ymin, xmax, ymax; /* domain */
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double xsize, ysize; /* axis dimensions */
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double xmnset = -FHUGE, xmxset = FHUGE, /* domain settings */
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ymnset = -FHUGE, ymxset = FHUGE;
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short logx = FALSE, logy = FALSE; /* flags for log plots */
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short polar = FALSE; /* flag for polar plots */
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short grid = FALSE; /* flag for grid */
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char *sym[NCUR] = {"ex", "triangle", "square", "triangle2", "diamond",
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"cross", "octagon", "crosssquare", "exsquare",
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"trianglesquare", "triangle2square", "crossdiamond",
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"crossoctagon", "exoctagon", "block", "bullet"};
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int ncurves;
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int xlegend,
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ylegend; /* current legend position */
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int symrad = SYMRAD; /* symbol radius */
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char *progname;
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main(argc, argv)
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int argc;
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char **argv;
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/*
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* Take Tel-A-Graf runnable files and convert them to
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* metafile primitives to send to standard output
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*/
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{
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char tfname[MAXFNAME];
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FILE *fp;
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int axflag;
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progname = *argv++;
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argc--;
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initialize();
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for (; argc && (**argv == '-' || **argv == '+'); argc--, argv++)
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option(*argv);
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if (polar) /* avoid dumb choices */
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logx = FALSE;
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axflag = XTICS|XNUMS|YTICS|YNUMS;
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if (grid)
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axflag |= XGRID|YGRID;
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if (polar)
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axflag |= ORIGIN;
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else
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axflag |= BOX;
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pglob(PINCL, 2, "symbols.mta");
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if (argc)
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for ( ; argc--; argv++) {
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fp = efopen(*argv, "r");
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normalize(fp, NULL);
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makeaxis(axflag);
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fseek(fp, 0L, 0);
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plot(fp);
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fclose(fp);
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}
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else {
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schorsch |
1.2 |
/*sprintf(tfname, "%sts%d", TDIR, getpid());*/
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temp_filename(tfname, sizeof(tfname), NULL);
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greg |
1.1 |
fp = efopen(tfname, "w+");
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normalize(stdin, fp);
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makeaxis(axflag);
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fseek(fp, 0L, 0);
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plot(fp);
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fclose(fp);
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unlink(tfname);
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}
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pglob(PEOF, 0200, NULL);
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return(0);
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}
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plot(fp) /* read file and generate plot */
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FILE *fp;
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{
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int ncur = 0; /* curves seen so far */
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char line[255], *s;
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double x, y;
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xlegend = XLEGEND;
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ylegend = YLEGEND;
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if (ncurves > 0) {
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pprim(PMSTR, 0100, xlegend, ylegend+800, xlegend, ylegend+800, "Legend:");
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pprim(PMSTR, 0100, xlegend, ylegend+800, xlegend, ylegend+800, "______");
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}
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while (fgets(line, sizeof line, fp) != NULL)
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if (istitle(line)) {
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s = snagquo(line);
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boxstring(0, 0, YBEG+YSIZ+1000, XYSIZE-1, YBEG+YSIZ+1500, s);
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}
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else if (isxlabel(line)) {
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s = snagquo(line);
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boxstring(0, XBEG, YBEG-1250, XBEG+XSIZ, YBEG-900, s);
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}
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else if (isylabel(line)) {
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s = snagquo(line);
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boxstring(020, XBEG-1900, YBEG, XBEG-1550, YBEG+YSIZ, s);
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}
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else if (islabel(line)) {
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if (++ncur < NCUR && usecurve[ncur]) {
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symout(0, xlegend, ylegend+symrad, sym[ncur]);
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pprim(PMSTR, 020, xlegend+400, ylegend+200,
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xlegend+400, ylegend+200, snagquo(line));
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ylegend -= 500;
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}
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}
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else if (usecurve[ncur] && isdata(line)) {
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if (getdata(line, &x, &y) >= 0)
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symout(0, XCONV(x), YCONV(y), sym[ncur]);
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}
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pglob(PEOP, 0200, NULL);
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}
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