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#ifndef lint |
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static const char RCSid[] = "$Id: tbar.c,v 1.1 2003/02/22 02:07:26 greg Exp $"; |
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#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 ../tbar tbar.c tgraph.o primout.o mfio.o syscalls.o misc.o -lm |
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*/ |
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|
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#ifdef _WIN32 |
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#include <process.h> /* getpid() */ |
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#endif |
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|
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#include "tgraph.h" |
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|
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|
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#define XLEGEND (XBEG+XSIZ+4*TSIZ) /* x start of legend */ |
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|
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#define YLEGEND (YBEG+2*YSIZ/3) /* y start of legend */ |
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|
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#define MAXBAR 1000 /* maximum bar width */ |
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|
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short usecurve[NCUR]; /* booleans for curve usage */ |
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|
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double xmin, ymin, xmax, ymax; /* domain */ |
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|
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double xsize, ysize; /* axis dimensions */ |
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|
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double xmnset = -FHUGE, xmxset = FHUGE, /* domain settings */ |
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ymnset = -FHUGE, ymxset = FHUGE; |
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|
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short logx = FALSE, logy = FALSE; /* flags for log plots */ |
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|
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short polar = FALSE; /* flag for polar plots */ |
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|
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short grid = FALSE; /* flag for grid */ |
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|
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int curtype[NCUR] = {0, 04, 010, 014, 01, 05, 011, 015, |
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02, 06, 012, 016, 03, 07, 013, 017}; |
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|
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int ncurves; |
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|
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int xlegend, |
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ylegend; /* current legend position */ |
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|
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int symrad = SYMRAD; /* symbol radius */ |
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|
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char *progname; |
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main(argc, argv) |
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|
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int argc; |
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char **argv; |
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|
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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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{ |
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char tfname[MAXFNAME]; |
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FILE *fp; |
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int axflag; |
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|
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#ifdef CPM |
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fixargs("tbar", &argc, &argv); |
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#endif |
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|
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progname = *argv++; |
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argc--; |
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|
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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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polar = FALSE; /* override stupid choices */ |
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logx = FALSE; |
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axflag = BOX|ORIGIN|YTICS|YNUMS; |
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if (grid) |
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axflag |= YGRID; |
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|
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if (argc) |
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|
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for ( ; argc--; argv++) { |
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|
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fp = efopen(*argv, "r"); |
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normalize(fp, NULL); |
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if (ymin > 0) |
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ymin = 0; |
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else if (ymax < 0) |
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ymax = 0; |
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xmax++; |
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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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|
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sprintf(tfname, "%stb%d", TDIR, getpid()); |
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fp = efopen(tfname, "w+"); |
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normalize(stdin, fp); |
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if (ymin > 0) |
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ymin = 0; |
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else if (ymax < 0) |
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ymax = 0; |
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xmax++; |
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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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|
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pglob(PEOF, 0200, NULL); |
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|
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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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|
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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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|
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while (fgets(line, sizeof line, fp) != NULL) |
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|
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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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|
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else if (isdivlab(line)) { |
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s = line; |
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x = 1; |
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while ((s = snagquo(s)) != NULL) { |
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if (x >= xmin && x <= xmax) |
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boxstring(0, XCONV(x), YBEG-750, XCONV(x+0.66), YBEG-400, s); |
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s += strlen(s)+1; |
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x++; |
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} |
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} |
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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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|
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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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|
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else if (islabel(line)) { |
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if (++ncur < NCUR && usecurve[ncur]) { |
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boxout(curtype[ncur], xlegend-200, ylegend, xlegend+200, ylegend+250); |
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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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|
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else if (usecurve[ncur] && isdata(line)) { |
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|
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if (getdata(line, &x, &y) >= 0) |
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barout(ncur, x, y); |
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|
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} |
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|
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pglob(PEOP, 0200, NULL); |
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|
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} |
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|
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|
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barout(cn, x, y) /* output bar for curve cn, value (x,y) */ |
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|
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int cn; |
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double x, y; |
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|
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{ |
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int barleft, barwidth; |
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int barlower, barheight; |
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|
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barwidth = XSIZ/xsize/(ncurves+1)*0.66; |
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if (barwidth > MAXBAR) |
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barwidth = MAXBAR; |
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|
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barleft = XCONV(x) + cn*barwidth; |
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|
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if (y < 0.0) { |
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barlower = YCONV(y); |
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barheight = YCONV(0.0) - barlower; |
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} else { |
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barlower = YCONV(0.0); |
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barheight = YCONV(y) - barlower; |
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} |
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boxout(curtype[cn], barleft, barlower, |
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barleft+barwidth, barlower+barheight); |
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|
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} |
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|
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|
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|
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boxout(a0, xmn, ymn, xmx, ymx) /* output a box */ |
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|
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int a0; |
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int xmn, ymn, xmx, ymx; |
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|
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{ |
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|
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pprim(PRFILL, a0, xmn, ymn, xmx, ymx, NULL); |
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plseg(0, xmn, ymn, xmx, ymn); |
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plseg(0, xmn, ymn, xmn, ymx); |
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plseg(0, xmn, ymx, xmx, ymx); |
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plseg(0, xmx, ymn, xmx, ymx); |
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|
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} |
