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Turnbull China Bikeride
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x12c.c
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1994-06-30
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/* $Id: x12c.c,v 1.7 1994/06/30 17:57:49 mjl Exp $
* $Log: x12c.c,v $
* Revision 1.7 1994/06/30 17:57:49 mjl
* All C example programs: made another pass to eliminate warnings when using
* gcc -Wall. Lots of cleaning up: got rid of includes of math.h or string.h
* (now included by plplot.h), eliminated redundant casts, put in more
* uniform comments, and other minor changes.
*
* Revision 1.6 1994/03/30 07:21:56 mjl
* Changes to all C example programs: special handling for malloc re: header
* files eliminated, include of stdio.h and stdlib.h eliminated (now done
* by plplot.h), include of "plplot.h" changed to <plplot.h> to enable
* simpler builds by the general user, some cleaning up also.
*/
/* x12c.c
Bar chart demo.
*/
#include <plplot.h>
void
plfbox(PLFLT x0, PLFLT y0);
/*----------------------------------------------------------------------*\
* main
*
* Does a simple bar chart, using color fill. If color fill is
* unavailable, pattern fill is used instead (automatic).
\*----------------------------------------------------------------------*/
int
main(int argc, char *argv[])
{
int i;
char string[20];
PLFLT y0[10];
/* Parse and process command line arguments */
(void) plParseInternalOpts(&argc, argv, PL_PARSE_FULL);
/* Initialize plplot */
plinit();
pladv(0);
plvsta();
plwind(1980.0, 1990.0, 0.0, 35.0);
plbox("bc", 1.0, 0, "bcnv", 10.0, 0);
plcol(2);
pllab("Year", "Widget Sales (millions)", "#frPLplot Example 12");
y0[0] = 5;
y0[1] = 15;
y0[2] = 12;
y0[3] = 24;
y0[4] = 28;
y0[5] = 30;
y0[6] = 20;
y0[7] = 8;
y0[8] = 12;
y0[9] = 3;
for (i = 0; i < 10; i++) {
plcol(i + 1);
plpsty(0);
plfbox((1980. + i), y0[i]);
sprintf(string, "%.0f", y0[i]);
plptex((1980. + i + .5), (y0[i] + 1.), 1.0, 0.0, .5, string);
sprintf(string, "%d", 1980 + i);
plmtex("b", 1.0, ((i + 1) * .1 - .05), 0.5, string);
}
/* Don't forget to call PLEND to finish off! */
plend();
exit(0);
}
void
plfbox(PLFLT x0, PLFLT y0)
{
PLFLT x[4], y[4];
x[0] = x0;
y[0] = 0.;
x[1] = x0;
y[1] = y0;
x[2] = x0 + 1.;
y[2] = y0;
x[3] = x0 + 1.;
y[3] = 0.;
plfill(4, x, y);
plcol(1);
pllsty(1);
plline(4, x, y);
}