1*c4762a1bSJed Brown 2*c4762a1bSJed Brown static char help[] = "Plots a simple line graph.\n"; 3*c4762a1bSJed Brown 4*c4762a1bSJed Brown #if defined(PETSC_APPLE_FRAMEWORK) 5*c4762a1bSJed Brown #import <PETSc/petscsys.h> 6*c4762a1bSJed Brown #import <PETSc/petscdraw.h> 7*c4762a1bSJed Brown #else 8*c4762a1bSJed Brown 9*c4762a1bSJed Brown #include <petscsys.h> 10*c4762a1bSJed Brown #include <petscdraw.h> 11*c4762a1bSJed Brown #endif 12*c4762a1bSJed Brown 13*c4762a1bSJed Brown int main(int argc,char **argv) 14*c4762a1bSJed Brown { 15*c4762a1bSJed Brown PetscDraw draw; 16*c4762a1bSJed Brown PetscDrawLG lg; 17*c4762a1bSJed Brown PetscDrawAxis axis; 18*c4762a1bSJed Brown PetscInt n = 15,i,x = 0,y = 0,width = 400,height = 300,nports = 1; 19*c4762a1bSJed Brown PetscBool useports,flg; 20*c4762a1bSJed Brown const char *xlabel,*ylabel,*toplabel,*legend; 21*c4762a1bSJed Brown PetscReal xd,yd; 22*c4762a1bSJed Brown PetscDrawViewPorts *ports = NULL; 23*c4762a1bSJed Brown PetscErrorCode ierr; 24*c4762a1bSJed Brown 25*c4762a1bSJed Brown toplabel = "Top Label"; xlabel = "X-axis Label"; ylabel = "Y-axis Label"; legend = "Legend"; 26*c4762a1bSJed Brown 27*c4762a1bSJed Brown ierr = PetscInitialize(&argc,&argv,NULL,help);if (ierr) return ierr; 28*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-x",&x,NULL);CHKERRQ(ierr); 29*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-y",&y,NULL);CHKERRQ(ierr); 30*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-width",&width,NULL);CHKERRQ(ierr); 31*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-height",&height,NULL);CHKERRQ(ierr); 32*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-n",&n,NULL);CHKERRQ(ierr); 33*c4762a1bSJed Brown ierr = PetscOptionsGetInt(NULL,NULL,"-nports",&nports,&useports);CHKERRQ(ierr); 34*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-nolegend",&flg);CHKERRQ(ierr); 35*c4762a1bSJed Brown if (flg) legend = NULL; 36*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-notoplabel",&flg);CHKERRQ(ierr); 37*c4762a1bSJed Brown if (flg) toplabel = NULL; 38*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-noxlabel",&flg);CHKERRQ(ierr); 39*c4762a1bSJed Brown if (flg) xlabel = NULL; 40*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-noylabel",&flg);CHKERRQ(ierr); 41*c4762a1bSJed Brown if (flg) ylabel = NULL; 42*c4762a1bSJed Brown ierr = PetscOptionsHasName(NULL,NULL,"-nolabels",&flg);CHKERRQ(ierr); 43*c4762a1bSJed Brown if (flg) {toplabel = NULL; xlabel = NULL; ylabel = NULL;} 44*c4762a1bSJed Brown 45*c4762a1bSJed Brown ierr = PetscDrawCreate(PETSC_COMM_WORLD,0,"Title",x,y,width,height,&draw);CHKERRQ(ierr); 46*c4762a1bSJed Brown ierr = PetscDrawSetFromOptions(draw);CHKERRQ(ierr); 47*c4762a1bSJed Brown if (useports) { 48*c4762a1bSJed Brown ierr = PetscDrawViewPortsCreate(draw,nports,&ports);CHKERRQ(ierr); 49*c4762a1bSJed Brown ierr = PetscDrawViewPortsSet(ports,0);CHKERRQ(ierr); 50*c4762a1bSJed Brown } 51*c4762a1bSJed Brown ierr = PetscDrawLGCreate(draw,1,&lg);CHKERRQ(ierr); 52*c4762a1bSJed Brown ierr = PetscDrawLGSetUseMarkers(lg,PETSC_TRUE);CHKERRQ(ierr); 53*c4762a1bSJed Brown ierr = PetscDrawLGGetAxis(lg,&axis);CHKERRQ(ierr); 54*c4762a1bSJed Brown ierr = PetscDrawAxisSetColors(axis,PETSC_DRAW_BLACK,PETSC_DRAW_RED,PETSC_DRAW_BLUE);CHKERRQ(ierr); 55*c4762a1bSJed Brown ierr = PetscDrawAxisSetLabels(axis,toplabel,xlabel,ylabel);CHKERRQ(ierr); 56*c4762a1bSJed Brown ierr = PetscDrawLGSetLegend(lg,&legend);CHKERRQ(ierr); 57*c4762a1bSJed Brown ierr = PetscDrawLGSetFromOptions(lg);CHKERRQ(ierr); 58*c4762a1bSJed Brown 59*c4762a1bSJed Brown for (i=0; i<=n; i++) { 60*c4762a1bSJed Brown xd = (PetscReal)(i - 5); yd = xd*xd; 61*c4762a1bSJed Brown ierr = PetscDrawLGAddPoint(lg,&xd,&yd);CHKERRQ(ierr); 62*c4762a1bSJed Brown } 63*c4762a1bSJed Brown ierr = PetscDrawLGDraw(lg);CHKERRQ(ierr); 64*c4762a1bSJed Brown ierr = PetscDrawLGSave(lg);CHKERRQ(ierr); 65*c4762a1bSJed Brown 66*c4762a1bSJed Brown ierr = PetscDrawViewPortsDestroy(ports);CHKERRQ(ierr); 67*c4762a1bSJed Brown ierr = PetscDrawLGDestroy(&lg);CHKERRQ(ierr); 68*c4762a1bSJed Brown ierr = PetscDrawDestroy(&draw);CHKERRQ(ierr); 69*c4762a1bSJed Brown ierr = PetscFinalize(); 70*c4762a1bSJed Brown return ierr; 71*c4762a1bSJed Brown } 72*c4762a1bSJed Brown 73*c4762a1bSJed Brown 74*c4762a1bSJed Brown 75*c4762a1bSJed Brown /*TEST 76*c4762a1bSJed Brown 77*c4762a1bSJed Brown build: 78*c4762a1bSJed Brown requires: x 79*c4762a1bSJed Brown 80*c4762a1bSJed Brown test: 81*c4762a1bSJed Brown output_file: output/ex1_1.out 82*c4762a1bSJed Brown 83*c4762a1bSJed Brown TEST*/ 84