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greg |
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#ifndef lint |
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schorsch |
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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 |
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#include "paths.h" |
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greg |
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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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