1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Makes a simple bar graph.\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown #include <petscsys.h> 5*c4762a1bSJed Brown #include <petscdraw.h> 6*c4762a1bSJed Brown 7*c4762a1bSJed Brown int main(int argc,char **argv) 8*c4762a1bSJed Brown { 9*c4762a1bSJed Brown PetscDraw draw; 10*c4762a1bSJed Brown PetscDrawBar bar; 11*c4762a1bSJed Brown PetscDrawAxis axis; 12*c4762a1bSJed Brown PetscErrorCode ierr; 13*c4762a1bSJed Brown int color = PETSC_DRAW_ROTATE; 14*c4762a1bSJed Brown const char *xlabel,*ylabel,*toplabel; 15*c4762a1bSJed Brown const PetscReal values[] = {.3, .5, .05, .11}; 16*c4762a1bSJed Brown const char *const labels[] = {"A","B","C","D",NULL}; 17*c4762a1bSJed Brown PetscReal limits[2] = {0,0.55}; PetscInt nlimits = 2; 18*c4762a1bSJed Brown PetscBool nolabels,setlimits; 19*c4762a1bSJed Brown 20*c4762a1bSJed Brown xlabel = "X-axis Label"; toplabel = "Top Label"; ylabel = "Y-axis Label"; 21*c4762a1bSJed Brown 22*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,NULL,help);if (ierr) return ierr; 23*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-nolabels",&nolabels);CHKERRQ(ierr); 24*c4762a1bSJed Brown if (nolabels) { xlabel = NULL; ylabel = NULL; toplabel = NULL; } 25*c4762a1bSJed Brown ierr = PetscOptionsGetRealArray(NULL,NULL,"-limits",limits,&nlimits,&setlimits);CHKERRQ(ierr); 26*c4762a1bSJed Brown 27*c4762a1bSJed Brown ierr = PetscDrawCreate(PETSC_COMM_WORLD,NULL,"Title",PETSC_DECIDE,PETSC_DECIDE,400,300,&draw);CHKERRQ(ierr); 28*c4762a1bSJed Brown ierr = PetscDrawSetFromOptions(draw);CHKERRQ(ierr); 29*c4762a1bSJed Brown ierr = PetscDrawBarCreate(draw,&bar);CHKERRQ(ierr); 30*c4762a1bSJed Brown 31*c4762a1bSJed Brown ierr = PetscDrawBarGetAxis(bar,&axis);CHKERRQ(ierr); 32*c4762a1bSJed Brown ierr = PetscDrawAxisSetColors(axis,PETSC_DRAW_BLACK,PETSC_DRAW_RED,PETSC_DRAW_BLUE);CHKERRQ(ierr); 33*c4762a1bSJed Brown ierr = PetscDrawAxisSetLabels(axis,toplabel,xlabel,ylabel);CHKERRQ(ierr); 34*c4762a1bSJed Brown ierr = PetscDrawBarSetColor(bar,color);CHKERRQ(ierr); 35*c4762a1bSJed Brown ierr = PetscDrawBarSetFromOptions(bar);CHKERRQ(ierr); 36*c4762a1bSJed Brown 37*c4762a1bSJed Brown if (setlimits) {ierr = PetscDrawBarSetLimits(bar,limits[0],limits[1]);CHKERRQ(ierr);} 38*c4762a1bSJed Brown ierr = PetscDrawBarSetData(bar,4,values,labels);CHKERRQ(ierr); 39*c4762a1bSJed Brown ierr = PetscDrawBarDraw(bar);CHKERRQ(ierr); 40*c4762a1bSJed Brown ierr = PetscDrawBarSave(bar);CHKERRQ(ierr); 41*c4762a1bSJed Brown 42*c4762a1bSJed Brown ierr = PetscDrawBarDestroy(&bar);CHKERRQ(ierr); 43*c4762a1bSJed Brown ierr = PetscDrawDestroy(&draw);CHKERRQ(ierr); 44*c4762a1bSJed Brown ierr = PetscFinalize(); 45*c4762a1bSJed Brown return ierr; 46*c4762a1bSJed Brown } 47*c4762a1bSJed Brown 48*c4762a1bSJed Brown 49*c4762a1bSJed Brown 50*c4762a1bSJed Brown /*TEST 51*c4762a1bSJed Brown 52*c4762a1bSJed Brown build: 53*c4762a1bSJed Brown requires: x 54*c4762a1bSJed Brown 55*c4762a1bSJed Brown test: 56*c4762a1bSJed Brown output_file: output/ex1_1.out 57*c4762a1bSJed Brown 58*c4762a1bSJed Brown TEST*/ 59