1c4762a1bSJed Brown 2c4762a1bSJed Brown static char help[] = "Plots a simple line graph.\n"; 3c4762a1bSJed Brown 4c4762a1bSJed Brown #if defined(PETSC_APPLE_FRAMEWORK) 5c4762a1bSJed Brown #import <PETSc/petscsys.h> 6c4762a1bSJed Brown #import <PETSc/petscdraw.h> 7c4762a1bSJed Brown #else 8c4762a1bSJed Brown 9c4762a1bSJed Brown #include <petscsys.h> 10c4762a1bSJed Brown #include <petscdraw.h> 11c4762a1bSJed Brown #endif 12c4762a1bSJed Brown 13c4762a1bSJed Brown int main(int argc,char **argv) 14c4762a1bSJed Brown { 15c4762a1bSJed Brown PetscDraw draw; 16c4762a1bSJed Brown PetscDrawLG lg; 17c4762a1bSJed Brown PetscDrawAxis axis; 18c4762a1bSJed Brown PetscInt n = 15,i,x = 0,y = 0,width = 400,height = 300,nports = 1; 19c4762a1bSJed Brown PetscBool useports,flg; 20c4762a1bSJed Brown const char *xlabel,*ylabel,*toplabel,*legend; 21c4762a1bSJed Brown PetscReal xd,yd; 22c4762a1bSJed Brown PetscDrawViewPorts *ports = NULL; 23c4762a1bSJed Brown PetscErrorCode ierr; 24c4762a1bSJed Brown 25c4762a1bSJed Brown toplabel = "Top Label"; xlabel = "X-axis Label"; ylabel = "Y-axis Label"; legend = "Legend"; 26c4762a1bSJed Brown 27c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,NULL,help);if (ierr) return ierr; 28*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-x",&x,NULL)); 29*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-y",&y,NULL)); 30*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-width",&width,NULL)); 31*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-height",&height,NULL)); 32*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL)); 33*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsGetInt(NULL,NULL,"-nports",&nports,&useports)); 34*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsHasName(NULL,NULL,"-nolegend",&flg)); 35c4762a1bSJed Brown if (flg) legend = NULL; 36*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsHasName(NULL,NULL,"-notoplabel",&flg)); 37c4762a1bSJed Brown if (flg) toplabel = NULL; 38*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsHasName(NULL,NULL,"-noxlabel",&flg)); 39c4762a1bSJed Brown if (flg) xlabel = NULL; 40*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsHasName(NULL,NULL,"-noylabel",&flg)); 41c4762a1bSJed Brown if (flg) ylabel = NULL; 42*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscOptionsHasName(NULL,NULL,"-nolabels",&flg)); 43c4762a1bSJed Brown if (flg) {toplabel = NULL; xlabel = NULL; ylabel = NULL;} 44c4762a1bSJed Brown 45*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawCreate(PETSC_COMM_WORLD,0,"Title",x,y,width,height,&draw)); 46*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawSetFromOptions(draw)); 47c4762a1bSJed Brown if (useports) { 48*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawViewPortsCreate(draw,nports,&ports)); 49*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawViewPortsSet(ports,0)); 50c4762a1bSJed Brown } 51*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGCreate(draw,1,&lg)); 52*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGSetUseMarkers(lg,PETSC_TRUE)); 53*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGGetAxis(lg,&axis)); 54*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawAxisSetColors(axis,PETSC_DRAW_BLACK,PETSC_DRAW_RED,PETSC_DRAW_BLUE)); 55*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawAxisSetLabels(axis,toplabel,xlabel,ylabel)); 56*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGSetLegend(lg,&legend)); 57*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGSetFromOptions(lg)); 58c4762a1bSJed Brown 59c4762a1bSJed Brown for (i=0; i<=n; i++) { 60c4762a1bSJed Brown xd = (PetscReal)(i - 5); yd = xd*xd; 61*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGAddPoint(lg,&xd,&yd)); 62c4762a1bSJed Brown } 63*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGDraw(lg)); 64*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGSave(lg)); 65c4762a1bSJed Brown 66*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawViewPortsDestroy(ports)); 67*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawLGDestroy(&lg)); 68*5f80ce2aSJacob Faibussowitsch CHKERRQ(PetscDrawDestroy(&draw)); 69c4762a1bSJed Brown ierr = PetscFinalize(); 70c4762a1bSJed Brown return ierr; 71c4762a1bSJed Brown } 72c4762a1bSJed Brown 73c4762a1bSJed Brown /*TEST 74c4762a1bSJed Brown 75c4762a1bSJed Brown build: 76c4762a1bSJed Brown requires: x 77c4762a1bSJed Brown 78c4762a1bSJed Brown test: 79c4762a1bSJed Brown output_file: output/ex1_1.out 80c4762a1bSJed Brown 81c4762a1bSJed Brown TEST*/ 82