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root/radiance/ray/src/meta/tscat.c
Revision: 1.2
Committed: Sun Jun 8 12:03:10 2003 UTC (21 years, 11 months ago) by schorsch
Content type: text/plain
Branch: MAIN
Changes since 1.1: +4 -2 lines
Log Message:
Reduced compile warnings/errors on Windows.

File Contents

# User Rev Content
1 greg 1.1 #ifndef lint
2 schorsch 1.2 static const char RCSid[] = "$Id: tscat.c,v 1.1 2003/02/22 02:07:26 greg Exp $";
3 greg 1.1 #endif
4     /*
5     * PROGRAM TO PLOT TEL-A-GRAF POINTS TO METAFILE
6     *
7     * Greg Ward
8     * 12/12/84
9     *
10     * cc -o ../tscat tscat.c tgraph.o primout.o mfio.o syscalls.o misc.o -lm
11     */
12    
13     #include "tgraph.h"
14 schorsch 1.2 #include "paths.h"
15 greg 1.1
16    
17     #define XLEGEND (XBEG+XSIZ+4*TSIZ) /* x start of legend */
18    
19     #define YLEGEND (YBEG+2*YSIZ/3) /* y start of legend */
20    
21     short usecurve[NCUR]; /* booleans for curve usage */
22    
23     double xmin, ymin, xmax, ymax; /* domain */
24    
25     double xsize, ysize; /* axis dimensions */
26    
27     double xmnset = -FHUGE, xmxset = FHUGE, /* domain settings */
28     ymnset = -FHUGE, ymxset = FHUGE;
29    
30     short logx = FALSE, logy = FALSE; /* flags for log plots */
31    
32     short polar = FALSE; /* flag for polar plots */
33    
34     short grid = FALSE; /* flag for grid */
35    
36     char *sym[NCUR] = {"ex", "triangle", "square", "triangle2", "diamond",
37     "cross", "octagon", "crosssquare", "exsquare",
38     "trianglesquare", "triangle2square", "crossdiamond",
39     "crossoctagon", "exoctagon", "block", "bullet"};
40    
41     int ncurves;
42    
43     int xlegend,
44     ylegend; /* current legend position */
45    
46     int symrad = SYMRAD; /* symbol radius */
47    
48     char *progname;
49    
50    
51    
52    
53    
54     main(argc, argv)
55    
56     int argc;
57     char **argv;
58    
59     /*
60     * Take Tel-A-Graf runnable files and convert them to
61     * metafile primitives to send to standard output
62     */
63    
64     {
65     char tfname[MAXFNAME];
66     FILE *fp;
67     int axflag;
68    
69     #ifdef CPM
70     fixargs("tscat", &argc, &argv);
71     #endif
72    
73     progname = *argv++;
74     argc--;
75    
76     initialize();
77    
78     for (; argc && (**argv == '-' || **argv == '+'); argc--, argv++)
79     option(*argv);
80    
81     if (polar) /* avoid dumb choices */
82     logx = FALSE;
83    
84     axflag = XTICS|XNUMS|YTICS|YNUMS;
85     if (grid)
86     axflag |= XGRID|YGRID;
87     if (polar)
88     axflag |= ORIGIN;
89     else
90     axflag |= BOX;
91    
92     pglob(PINCL, 2, "symbols.mta");
93    
94     if (argc)
95    
96     for ( ; argc--; argv++) {
97    
98     fp = efopen(*argv, "r");
99     normalize(fp, NULL);
100     makeaxis(axflag);
101     fseek(fp, 0L, 0);
102     plot(fp);
103     fclose(fp);
104     }
105     else {
106    
107 schorsch 1.2 /*sprintf(tfname, "%sts%d", TDIR, getpid());*/
108     temp_filename(tfname, sizeof(tfname), NULL);
109 greg 1.1 fp = efopen(tfname, "w+");
110     normalize(stdin, fp);
111     makeaxis(axflag);
112     fseek(fp, 0L, 0);
113     plot(fp);
114     fclose(fp);
115     unlink(tfname);
116     }
117    
118     pglob(PEOF, 0200, NULL);
119    
120     return(0);
121     }
122    
123    
124    
125    
126    
127     plot(fp) /* read file and generate plot */
128    
129     FILE *fp;
130    
131     {
132     int ncur = 0; /* curves seen so far */
133     char line[255], *s;
134     double x, y;
135    
136     xlegend = XLEGEND;
137     ylegend = YLEGEND;
138    
139     if (ncurves > 0) {
140     pprim(PMSTR, 0100, xlegend, ylegend+800, xlegend, ylegend+800, "Legend:");
141     pprim(PMSTR, 0100, xlegend, ylegend+800, xlegend, ylegend+800, "______");
142     }
143    
144     while (fgets(line, sizeof line, fp) != NULL)
145    
146     if (istitle(line)) {
147     s = snagquo(line);
148     boxstring(0, 0, YBEG+YSIZ+1000, XYSIZE-1, YBEG+YSIZ+1500, s);
149     }
150    
151     else if (isxlabel(line)) {
152     s = snagquo(line);
153     boxstring(0, XBEG, YBEG-1250, XBEG+XSIZ, YBEG-900, s);
154     }
155    
156     else if (isylabel(line)) {
157     s = snagquo(line);
158     boxstring(020, XBEG-1900, YBEG, XBEG-1550, YBEG+YSIZ, s);
159     }
160    
161     else if (islabel(line)) {
162     if (++ncur < NCUR && usecurve[ncur]) {
163     symout(0, xlegend, ylegend+symrad, sym[ncur]);
164     pprim(PMSTR, 020, xlegend+400, ylegend+200,
165     xlegend+400, ylegend+200, snagquo(line));
166     ylegend -= 500;
167     }
168     }
169    
170     else if (usecurve[ncur] && isdata(line)) {
171    
172     if (getdata(line, &x, &y) >= 0)
173     symout(0, XCONV(x), YCONV(y), sym[ncur]);
174    
175     }
176    
177     pglob(PEOP, 0200, NULL);
178    
179     }
180