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- /* Demonstration program for PLPLOT: Bar chart example. */
-
- #include "plplot.h"
- #include <stdio.h>
-
- void plfbox(x0,y0)
- PLFLT x0,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);
- }
-
- main()
- {
- int i;
- char string[20];
- PLFLT y0[10];
-
- /* Ask user to specify the output device */
- plstar(1,1);
-
- pladv(0);
- plvsta();
- plwind(1980.,1990.,0.,35.);
- plbox("bc",1.,0,"bcnv",10.,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%4+1);
- plpsty((i+3)%8+1);
- pllsty(i%8+1);
- plfbox((PLFLT)(1980+i),y0[i]);
- sprintf(string,"%.0f",y0[i]);
- plptex(1980+i+.5,y0[i]+1.,1.,0.,.5,string);
- sprintf(string,"%d",1980+i);
- plmtex("b",1.,(i+1)*.1-.05,.5,string);
- }
-
- /* Don't forget to call PLEND to finish off! */
- plend();
- }
-