/* file: main.c Paul Albrecht September 1984
Last revised: 21 October 2002
plt: a set of programs for making 2D plots
Copyright (C) Paul Albrecht 1988
First version written in 1983. Rewritten in 1984, 1986, and 1988.
Recent changes (by George Moody, george@mit.edu):
11 April 2001: general cleanup
12 April 2001: removed vestigial TicInit()
21 October 2002: more cleanup
_______________________________________________________________________________
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA.
You may contact the maintainer by e-mail (george@mit.edu) or postal mail
(MIT Room E25-505A, Cambridge, MA 02139 USA). For updates to this software,
please visit PhysioNet (http://www.physionet.org/).
_______________________________________________________________________________
This main() function can be compiled with different driver modules
to produce a device-specific version of `plt'. Currently there are
only two actively maintained drivers (xw.c, for X11; and lw.c, for
PostScript; unmaintained drivers for a variety of mostly obsolete
devices are available in `../classic'). Refer to `Makefile' to see
how `xplt' and `lwplt' are compiled from these and other sources
in this directory.
Caution: The order of the various calls made here is quite important,
since some functions count on the environment being set up by the time
they are called.
*/
#define MAIN /* see plt.h */
#include <stdlib.h>
#include <signal.h>
#include "plt.h"
int main(int argc, char **argv)
{
PtrUnion arg0, arg1;
FILE *fp;
short n;
programName = argv[0];
UtilInit(fullInit);
TextInit(0); /* must come before argument processing */
FigureInit(fullInit);
AxisInit(fullInit);
PlotInit(fullInit);
argvOpts(argv+1, argc-1);
if (pterm == NULL) pterm = getenv("PTERM");
if (pterm == NULL) pterm = "";
PTERMSpecificOpts();
arg0.c = pterm;
special(SETPTERM, arg0, arg1); /* must follow PTERMSpecificOpts() */
DataInit(argv);
if (Data.nCols != 0) PlotDef(Plot.pModes);
if (pstr.str != 0) ReadStrings(&pstr);
if (fgstr.str != 0) ReadStrings(&fgstr);
gsuppress();
if (xa.min == DEFAULT || xa.max == DEFAULT ||
ya.min == DEFAULT || ya.max == DEFAULT) {
if (Data.nCols == 0) err(YES, "Must specify axis limits");
}
else if (Plot.nPlts == 1) {
Plot.quickPlot = YES;
if (xa.lbl == 0) xa.lbl = "";
}
if (Data.nCols != 0 && !Plot.quickPlot) ReadPoints();
SetupAxes();
if (axisfile) {
fp = fopen(axisfile, "w");
if (fp == 0)
err(YES, "Can't open %s for writing axis specs", axisfile);
fprintf(fp, "xa %g %g %g %s %d %g\n",
xa.min, xa.max, xa.tick, xa.pfm, xa.skp, xa.cr);
fprintf(fp, "ya %g %g %g %s %d %g\n",
ya.min, ya.max, ya.tick, ya.pfm, ya.skp, ya.cr);
fprintf(fp, "W %g %g %g %g\n", xwmins, ywmins, xwmaxs, ywmaxs);
if (fileno(fp) > 2) /* i.e., if fp does not point to stdin/out/err */
fclose(fp);
}
pinit();
space(0, 0, p->xsquare, p->yfull);
if (omode & ERASE) erase();
if (xa.mode) XAxisDraw();
if (ya.mode) YAxisDraw();
MakeGraphTitle(argv+1);
/* The ordering below is important for PostScript output. */
if (omode & PLOTS)
for (n = 0; n < Plot.nPlts; n++)
PlotDraw(&Plot.plts[n]);
if (omode & FIGURES) {
if (Figure.nLegs > 0)
LegendDraw();
for (n = 0; n < Figure.nFigs; n++)
FigureDraw(&Figure.figs[n]);
}
if (omode & LABELS)
for (n = 0; n < Figure.nLbls; n++)
TextDraw(&Figure.lbls[n]);
if (Plot.excluded)
err(NO, "*** Excluded %ld points ***", Plot.excluded);
pquit(0);
return (0); /* This is only here to satisfy some compilers -- pquit doesn't
return, so we never get here. */
}