Actual source code: ex2.c
1: /*$Id: ex2.c,v 1.35 2001/08/07 21:28:44 bsmith Exp $*/
3: static char help[] = "Demonstrates us of color mapn";
5: #include petsc.h
7: int main(int argc,char **argv)
8: {
9: PetscDraw draw;
10: int ierr,x = 0,y = 0,width = 256,height = 256,i;
12: PetscInitialize(&argc,&argv,(char*)0,help);
14: /* PetscDrawOpenX(PETSC_COMM_SELF,0,"Title",x,y,width,height,&draw);*/
15: PetscDrawCreate(PETSC_COMM_SELF,0,"Title",x,y,width,height,&draw);
16: PetscDrawSetFromOptions(draw);
17: for (i=0; i<256; i++) {
18: PetscDrawLine(draw,0.0,((PetscReal)i)/256.,1.0,((PetscReal)i)/256.,i);
19: }
20: PetscDrawFlush(draw);
21: PetscSleep(2);
22: PetscDrawDestroy(draw);
23: PetscFinalize();
24: return 0;
25: }
26: