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 24c4762a1bSJed Brown toplabel = "Top Label"; xlabel = "X-axis Label"; ylabel = "Y-axis Label"; legend = "Legend"; 25c4762a1bSJed Brown 26*9566063dSJacob Faibussowitsch PetscCall(PetscInitialize(&argc,&argv,NULL,help)); 27*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-x",&x,NULL)); 28*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-y",&y,NULL)); 29*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-width",&width,NULL)); 30*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-height",&height,NULL)); 31*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL)); 32*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsGetInt(NULL,NULL,"-nports",&nports,&useports)); 33*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-nolegend",&flg)); 34c4762a1bSJed Brown if (flg) legend = NULL; 35*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-notoplabel",&flg)); 36c4762a1bSJed Brown if (flg) toplabel = NULL; 37*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-noxlabel",&flg)); 38c4762a1bSJed Brown if (flg) xlabel = NULL; 39*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-noylabel",&flg)); 40c4762a1bSJed Brown if (flg) ylabel = NULL; 41*9566063dSJacob Faibussowitsch PetscCall(PetscOptionsHasName(NULL,NULL,"-nolabels",&flg)); 42c4762a1bSJed Brown if (flg) {toplabel = NULL; xlabel = NULL; ylabel = NULL;} 43c4762a1bSJed Brown 44*9566063dSJacob Faibussowitsch PetscCall(PetscDrawCreate(PETSC_COMM_WORLD,0,"Title",x,y,width,height,&draw)); 45*9566063dSJacob Faibussowitsch PetscCall(PetscDrawSetFromOptions(draw)); 46c4762a1bSJed Brown if (useports) { 47*9566063dSJacob Faibussowitsch PetscCall(PetscDrawViewPortsCreate(draw,nports,&ports)); 48*9566063dSJacob Faibussowitsch PetscCall(PetscDrawViewPortsSet(ports,0)); 49c4762a1bSJed Brown } 50*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGCreate(draw,1,&lg)); 51*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGSetUseMarkers(lg,PETSC_TRUE)); 52*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGGetAxis(lg,&axis)); 53*9566063dSJacob Faibussowitsch PetscCall(PetscDrawAxisSetColors(axis,PETSC_DRAW_BLACK,PETSC_DRAW_RED,PETSC_DRAW_BLUE)); 54*9566063dSJacob Faibussowitsch PetscCall(PetscDrawAxisSetLabels(axis,toplabel,xlabel,ylabel)); 55*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGSetLegend(lg,&legend)); 56*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGSetFromOptions(lg)); 57c4762a1bSJed Brown 58c4762a1bSJed Brown for (i=0; i<=n; i++) { 59c4762a1bSJed Brown xd = (PetscReal)(i - 5); yd = xd*xd; 60*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGAddPoint(lg,&xd,&yd)); 61c4762a1bSJed Brown } 62*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGDraw(lg)); 63*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGSave(lg)); 64c4762a1bSJed Brown 65*9566063dSJacob Faibussowitsch PetscCall(PetscDrawViewPortsDestroy(ports)); 66*9566063dSJacob Faibussowitsch PetscCall(PetscDrawLGDestroy(&lg)); 67*9566063dSJacob Faibussowitsch PetscCall(PetscDrawDestroy(&draw)); 68*9566063dSJacob Faibussowitsch PetscCall(PetscFinalize()); 69b122ec5aSJacob Faibussowitsch return 0; 70c4762a1bSJed Brown } 71c4762a1bSJed Brown 72c4762a1bSJed Brown /*TEST 73c4762a1bSJed Brown 74c4762a1bSJed Brown build: 75c4762a1bSJed Brown requires: x 76c4762a1bSJed Brown 77c4762a1bSJed Brown test: 78c4762a1bSJed Brown output_file: output/ex1_1.out 79c4762a1bSJed Brown 80c4762a1bSJed Brown TEST*/ 81