PetscErrorCode PetscDrawDestroy_X(PetscDraw draw)
{
PetscDraw_X *win = (PetscDraw_X*)draw->data;
PetscErrorCode ierr;
#if defined(PETSC_HAVE_POPEN)
char command[PETSC_MAX_PATH_LEN];
PetscMPIInt rank;
FILE *fd;
#endif
PetscFunctionBegin;
ierr = PetscDrawSynchronizedClear(draw);CHKERRQ(ierr);
#if defined(PETSC_HAVE_POPEN)
ierr = MPI_Comm_rank(((PetscObject)draw)->comm,&rank);CHKERRQ(ierr);
if (draw->savefilename && !rank && draw->savefilemovie) {
ierr = PetscSNPrintf(command,PETSC_MAX_PATH_LEN,"ffmpeg -i %s_%%d.Gif %s.m4v",draw->savefilename,draw->savefilename);CHKERRQ(ierr);
ierr = PetscPOpen(((PetscObject)draw)->comm,PETSC_NULL,command,"r",&fd);CHKERRQ(ierr);
ierr = PetscPClose(((PetscObject)draw)->comm,fd,PETSC_NULL);CHKERRQ(ierr);
}
#endif
XFreeGC(win->disp,win->gc.set);
XCloseDisplay(win->disp);
ierr = PetscDrawDestroy(&draw->popup);CHKERRQ(ierr);
ierr = PetscFree(win->font);CHKERRQ(ierr);
ierr = PetscFree(win);CHKERRQ(ierr);
PetscFunctionReturn(0);
}
PetscErrorCode DMView_DA_1d(DM da,PetscViewer viewer)
{
PetscErrorCode ierr;
PetscMPIInt rank;
PetscBool iascii,isdraw,isbinary;
DM_DA *dd = (DM_DA*)da->data;
#if defined(PETSC_HAVE_MATLAB_ENGINE)
PetscBool ismatlab;
#endif
PetscFunctionBegin;
ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)da),&rank);CHKERRQ(ierr);
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&iascii);CHKERRQ(ierr);
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERDRAW,&isdraw);CHKERRQ(ierr);
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERBINARY,&isbinary);CHKERRQ(ierr);
#if defined(PETSC_HAVE_MATLAB_ENGINE)
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERMATLAB,&ismatlab);CHKERRQ(ierr);
#endif
if (iascii) {
PetscViewerFormat format;
ierr = PetscViewerGetFormat(viewer, &format);CHKERRQ(ierr);
if (format != PETSC_VIEWER_ASCII_VTK && format != PETSC_VIEWER_ASCII_VTK_CELL) {
DMDALocalInfo info;
ierr = DMDAGetLocalInfo(da,&info);CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedAllow(viewer,PETSC_TRUE);CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedPrintf(viewer,"Processor [%d] M %D m %D w %D s %D\n",rank,dd->M,dd->m,dd->w,dd->s);CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedPrintf(viewer,"X range of indices: %D %D\n",info.xs,info.xs+info.xm);CHKERRQ(ierr);
ierr = PetscViewerFlush(viewer);CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedAllow(viewer,PETSC_FALSE);CHKERRQ(ierr);
} else {
ierr = DMView_DA_VTK(da, viewer);CHKERRQ(ierr);
}
} else if (isdraw) {
PetscDraw draw;
double ymin = -1,ymax = 1,xmin = -1,xmax = dd->M,x;
PetscInt base;
char node[10];
PetscBool isnull;
ierr = PetscViewerDrawGetDraw(viewer,0,&draw);CHKERRQ(ierr);
ierr = PetscDrawIsNull(draw,&isnull);CHKERRQ(ierr); if (isnull) PetscFunctionReturn(0);
ierr = PetscDrawSetCoordinates(draw,xmin,ymin,xmax,ymax);CHKERRQ(ierr);
ierr = PetscDrawSynchronizedClear(draw);CHKERRQ(ierr);
/* first processor draws all node lines */
if (!rank) {
PetscInt xmin_tmp;
ymin = 0.0; ymax = 0.3;
for (xmin_tmp=0; xmin_tmp < dd->M; xmin_tmp++) {
ierr = PetscDrawLine(draw,(double)xmin_tmp,ymin,(double)xmin_tmp,ymax,PETSC_DRAW_BLACK);CHKERRQ(ierr);
}
xmin = 0.0; xmax = dd->M - 1;
ierr = PetscDrawLine(draw,xmin,ymin,xmax,ymin,PETSC_DRAW_BLACK);CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xmin,ymax,xmax,ymax,PETSC_DRAW_BLACK);CHKERRQ(ierr);
}
ierr = PetscDrawSynchronizedFlush(draw);CHKERRQ(ierr);
ierr = PetscDrawPause(draw);CHKERRQ(ierr);
/* draw my box */
ymin = 0; ymax = 0.3; xmin = dd->xs / dd->w; xmax = (dd->xe / dd->w) - 1;
ierr = PetscDrawLine(draw,xmin,ymin,xmax,ymin,PETSC_DRAW_RED);CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xmin,ymin,xmin,ymax,PETSC_DRAW_RED);CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xmin,ymax,xmax,ymax,PETSC_DRAW_RED);CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xmax,ymin,xmax,ymax,PETSC_DRAW_RED);CHKERRQ(ierr);
/* Put in index numbers */
base = dd->base / dd->w;
for (x=xmin; x<=xmax; x++) {
sprintf(node,"%d",(int)base++);
ierr = PetscDrawString(draw,x,ymin,PETSC_DRAW_RED,node);CHKERRQ(ierr);
}
ierr = PetscDrawSynchronizedFlush(draw);CHKERRQ(ierr);
ierr = PetscDrawPause(draw);CHKERRQ(ierr);
} else if (isbinary) {
ierr = DMView_DA_Binary(da,viewer);CHKERRQ(ierr);
#if defined(PETSC_HAVE_MATLAB_ENGINE)
} else if (ismatlab) {
ierr = DMView_DA_Matlab(da,viewer);CHKERRQ(ierr);
#endif
}
PetscFunctionReturn(0);
}
PetscErrorCode VecView_MPI_Draw_DA1d(Vec xin,PetscViewer v)
{
DM da;
PetscErrorCode ierr;
PetscMPIInt rank,size,tag1,tag2;
PetscInt i,n,N,step,istart,isize,j,nbounds;
MPI_Status status;
PetscReal coors[4],ymin,ymax,min,max,xmin = 0.0,xmax = 0.0,tmp = 0.0,xgtmp = 0.0;
const PetscScalar *array,*xg;
PetscDraw draw;
PetscBool isnull,showpoints = PETSC_FALSE;
MPI_Comm comm;
PetscDrawAxis axis;
Vec xcoor;
DMBoundaryType bx;
const PetscReal *bounds;
PetscInt *displayfields;
PetscInt k,ndisplayfields;
PetscBool hold;
PetscFunctionBegin;
ierr = PetscViewerDrawGetDraw(v,0,&draw);CHKERRQ(ierr);
ierr = PetscDrawIsNull(draw,&isnull);CHKERRQ(ierr); if (isnull) PetscFunctionReturn(0);
ierr = PetscViewerDrawGetBounds(v,&nbounds,&bounds);CHKERRQ(ierr);
ierr = VecGetDM(xin,&da);CHKERRQ(ierr);
if (!da) SETERRQ(PetscObjectComm((PetscObject)xin),PETSC_ERR_ARG_WRONG,"Vector not generated from a DMDA");
ierr = PetscOptionsGetBool(NULL,"-draw_vec_mark_points",&showpoints,NULL);CHKERRQ(ierr);
ierr = DMDAGetInfo(da,0,&N,0,0,0,0,0,&step,0,&bx,0,0,0);CHKERRQ(ierr);
ierr = DMDAGetCorners(da,&istart,0,0,&isize,0,0);CHKERRQ(ierr);
ierr = VecGetArrayRead(xin,&array);CHKERRQ(ierr);
ierr = VecGetLocalSize(xin,&n);CHKERRQ(ierr);
n = n/step;
/* get coordinates of nodes */
ierr = DMGetCoordinates(da,&xcoor);CHKERRQ(ierr);
if (!xcoor) {
ierr = DMDASetUniformCoordinates(da,0.0,1.0,0.0,0.0,0.0,0.0);CHKERRQ(ierr);
ierr = DMGetCoordinates(da,&xcoor);CHKERRQ(ierr);
}
ierr = VecGetArrayRead(xcoor,&xg);CHKERRQ(ierr);
ierr = PetscObjectGetComm((PetscObject)xin,&comm);CHKERRQ(ierr);
ierr = MPI_Comm_size(comm,&size);CHKERRQ(ierr);
ierr = MPI_Comm_rank(comm,&rank);CHKERRQ(ierr);
/*
Determine the min and max x coordinate in plot
*/
if (!rank) {
xmin = PetscRealPart(xg[0]);
}
if (rank == size-1) {
xmax = PetscRealPart(xg[n-1]);
}
ierr = MPI_Bcast(&xmin,1,MPIU_REAL,0,comm);CHKERRQ(ierr);
ierr = MPI_Bcast(&xmax,1,MPIU_REAL,size-1,comm);CHKERRQ(ierr);
ierr = DMDASelectFields(da,&ndisplayfields,&displayfields);CHKERRQ(ierr);
for (k=0; k<ndisplayfields; k++) {
j = displayfields[k];
ierr = PetscViewerDrawGetDraw(v,k,&draw);CHKERRQ(ierr);
ierr = PetscDrawCheckResizedWindow(draw);CHKERRQ(ierr);
/*
Determine the min and max y coordinate in plot
*/
min = 1.e20; max = -1.e20;
for (i=0; i<n; i++) {
if (PetscRealPart(array[j+i*step]) < min) min = PetscRealPart(array[j+i*step]);
if (PetscRealPart(array[j+i*step]) > max) max = PetscRealPart(array[j+i*step]);
}
if (min + 1.e-10 > max) {
min -= 1.e-5;
max += 1.e-5;
}
if (j < nbounds) {
min = PetscMin(min,bounds[2*j]);
max = PetscMax(max,bounds[2*j+1]);
}
ierr = MPI_Reduce(&min,&ymin,1,MPIU_REAL,MPIU_MIN,0,comm);CHKERRQ(ierr);
ierr = MPI_Reduce(&max,&ymax,1,MPIU_REAL,MPIU_MAX,0,comm);CHKERRQ(ierr);
ierr = PetscViewerDrawGetHold(v,&hold);CHKERRQ(ierr);
if (!hold) {
ierr = PetscDrawSynchronizedClear(draw);CHKERRQ(ierr);
}
ierr = PetscViewerDrawGetDrawAxis(v,k,&axis);CHKERRQ(ierr);
ierr = PetscLogObjectParent((PetscObject)draw,(PetscObject)axis);CHKERRQ(ierr);
if (!rank) {
const char *title;
ierr = PetscDrawAxisSetLimits(axis,xmin,xmax,ymin,ymax);CHKERRQ(ierr);
ierr = PetscDrawAxisDraw(axis);CHKERRQ(ierr);
ierr = PetscDrawGetCoordinates(draw,coors,coors+1,coors+2,coors+3);CHKERRQ(ierr);
ierr = DMDAGetFieldName(da,j,&title);CHKERRQ(ierr);
if (title) {ierr = PetscDrawSetTitle(draw,title);CHKERRQ(ierr);}
}
ierr = MPI_Bcast(coors,4,MPIU_REAL,0,comm);CHKERRQ(ierr);
if (rank) {
ierr = PetscDrawSetCoordinates(draw,coors[0],coors[1],coors[2],coors[3]);CHKERRQ(ierr);
}
/* draw local part of vector */
ierr = PetscObjectGetNewTag((PetscObject)xin,&tag1);CHKERRQ(ierr);
ierr = PetscObjectGetNewTag((PetscObject)xin,&tag2);CHKERRQ(ierr);
if (rank < size-1) { /*send value to right */
ierr = MPI_Send((void*)&array[j+(n-1)*step],1,MPIU_REAL,rank+1,tag1,comm);CHKERRQ(ierr);
ierr = MPI_Send((void*)&xg[n-1],1,MPIU_REAL,rank+1,tag1,comm);CHKERRQ(ierr);
}
if (!rank && bx == DM_BOUNDARY_PERIODIC && size > 1) { /* first processor sends first value to last */
ierr = MPI_Send((void*)&array[j],1,MPIU_REAL,size-1,tag2,comm);CHKERRQ(ierr);
}
for (i=1; i<n; i++) {
ierr = PetscDrawLine(draw,PetscRealPart(xg[i-1]),PetscRealPart(array[j+step*(i-1)]),PetscRealPart(xg[i]),PetscRealPart(array[j+step*i]),PETSC_DRAW_RED);CHKERRQ(ierr);
if (showpoints) {
ierr = PetscDrawPoint(draw,PetscRealPart(xg[i-1]),PetscRealPart(array[j+step*(i-1)]),PETSC_DRAW_BLACK);CHKERRQ(ierr);
}
}
if (rank) { /* receive value from left */
ierr = MPI_Recv(&tmp,1,MPIU_REAL,rank-1,tag1,comm,&status);CHKERRQ(ierr);
ierr = MPI_Recv(&xgtmp,1,MPIU_REAL,rank-1,tag1,comm,&status);CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xgtmp,tmp,PetscRealPart(xg[0]),PetscRealPart(array[j]),PETSC_DRAW_RED);CHKERRQ(ierr);
if (showpoints) {
ierr = PetscDrawPoint(draw,xgtmp,tmp,PETSC_DRAW_BLACK);CHKERRQ(ierr);
}
}
if (rank == size-1 && bx == DM_BOUNDARY_PERIODIC && size > 1) {
ierr = MPI_Recv(&tmp,1,MPIU_REAL,0,tag2,comm,&status);CHKERRQ(ierr);
/* If the mesh is not uniform we do not know the mesh spacing between the last point on the right and the first ghost point */
ierr = PetscDrawLine(draw,PetscRealPart(xg[n-1]),PetscRealPart(array[j+step*(n-1)]),PetscRealPart(xg[n-1]+(xg[n-1]-xg[n-2])),tmp,PETSC_DRAW_RED);CHKERRQ(ierr);
if (showpoints) {
ierr = PetscDrawPoint(draw,PetscRealPart(xg[n-2]),PetscRealPart(array[j+step*(n-1)]),PETSC_DRAW_BLACK);CHKERRQ(ierr);
}
}
ierr = PetscDrawSynchronizedFlush(draw);CHKERRQ(ierr);
ierr = PetscDrawPause(draw);CHKERRQ(ierr);
}
ierr = PetscFree(displayfields);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(xcoor,&xg);CHKERRQ(ierr);
ierr = VecRestoreArrayRead(xin,&array);CHKERRQ(ierr);
PetscFunctionReturn(0);
}
PetscErrorCode DMView_DA_2d(DM da,PetscViewer viewer)
{
PetscErrorCode ierr;
PetscMPIInt rank;
PetscBool iascii,isdraw,isbinary;
DM_DA *dd = (DM_DA*)da->data;
#if defined(PETSC_HAVE_MATLAB_ENGINE)
PetscBool ismatlab;
#endif
PetscFunctionBegin;
ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)da),&rank);
CHKERRQ(ierr);
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERASCII,&iascii);
CHKERRQ(ierr);
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERDRAW,&isdraw);
CHKERRQ(ierr);
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERBINARY,&isbinary);
CHKERRQ(ierr);
#if defined(PETSC_HAVE_MATLAB_ENGINE)
ierr = PetscObjectTypeCompare((PetscObject)viewer,PETSCVIEWERMATLAB,&ismatlab);
CHKERRQ(ierr);
#endif
if (iascii) {
PetscViewerFormat format;
ierr = PetscViewerGetFormat(viewer, &format);
CHKERRQ(ierr);
if (format != PETSC_VIEWER_ASCII_VTK && format != PETSC_VIEWER_ASCII_VTK_CELL) {
DMDALocalInfo info;
ierr = DMDAGetLocalInfo(da,&info);
CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedAllow(viewer,PETSC_TRUE);
CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedPrintf(viewer,"Processor [%d] M %D N %D m %D n %D w %D s %D\n",rank,dd->M,dd->N,dd->m,dd->n,dd->w,dd->s);
CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedPrintf(viewer,"X range of indices: %D %D, Y range of indices: %D %D\n",info.xs,info.xs+info.xm,info.ys,info.ys+info.ym);
CHKERRQ(ierr);
ierr = PetscViewerFlush(viewer);
CHKERRQ(ierr);
ierr = PetscViewerASCIISynchronizedAllow(viewer,PETSC_FALSE);
CHKERRQ(ierr);
} else {
ierr = DMView_DA_VTK(da,viewer);
CHKERRQ(ierr);
}
} else if (isdraw) {
PetscDraw draw;
double ymin = -1*dd->s-1,ymax = dd->N+dd->s;
double xmin = -1*dd->s-1,xmax = dd->M+dd->s;
double x,y;
PetscInt base,*idx;
char node[10];
PetscBool isnull;
ierr = PetscViewerDrawGetDraw(viewer,0,&draw);
CHKERRQ(ierr);
ierr = PetscDrawIsNull(draw,&isnull);
CHKERRQ(ierr);
if (isnull) PetscFunctionReturn(0);
if (!da->coordinates) {
ierr = PetscDrawSetCoordinates(draw,xmin,ymin,xmax,ymax);
CHKERRQ(ierr);
}
ierr = PetscDrawSynchronizedClear(draw);
CHKERRQ(ierr);
/* first processor draw all node lines */
if (!rank) {
ymin = 0.0;
ymax = dd->N - 1;
for (xmin=0; xmin<dd->M; xmin++) {
ierr = PetscDrawLine(draw,xmin,ymin,xmin,ymax,PETSC_DRAW_BLACK);
CHKERRQ(ierr);
}
xmin = 0.0;
xmax = dd->M - 1;
for (ymin=0; ymin<dd->N; ymin++) {
ierr = PetscDrawLine(draw,xmin,ymin,xmax,ymin,PETSC_DRAW_BLACK);
CHKERRQ(ierr);
}
}
ierr = PetscDrawSynchronizedFlush(draw);
CHKERRQ(ierr);
ierr = PetscDrawPause(draw);
CHKERRQ(ierr);
/* draw my box */
ymin = dd->ys;
ymax = dd->ye - 1;
xmin = dd->xs/dd->w;
xmax =(dd->xe-1)/dd->w;
ierr = PetscDrawLine(draw,xmin,ymin,xmax,ymin,PETSC_DRAW_RED);
CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xmin,ymin,xmin,ymax,PETSC_DRAW_RED);
CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xmin,ymax,xmax,ymax,PETSC_DRAW_RED);
CHKERRQ(ierr);
ierr = PetscDrawLine(draw,xmax,ymin,xmax,ymax,PETSC_DRAW_RED);
CHKERRQ(ierr);
/* put in numbers */
base = (dd->base)/dd->w;
for (y=ymin; y<=ymax; y++) {
for (x=xmin; x<=xmax; x++) {
sprintf(node,"%d",(int)base++);
ierr = PetscDrawString(draw,x,y,PETSC_DRAW_BLACK,node);
CHKERRQ(ierr);
}
}
ierr = PetscDrawSynchronizedFlush(draw);
CHKERRQ(ierr);
ierr = PetscDrawPause(draw);
CHKERRQ(ierr);
/* overlay ghost numbers, useful for error checking */
/* put in numbers */
base = 0;
idx = dd->idx;
ymin = dd->Ys;
ymax = dd->Ye;
xmin = dd->Xs;
xmax = dd->Xe;
for (y=ymin; y<ymax; y++) {
for (x=xmin; x<xmax; x++) {
if ((base % dd->w) == 0) {
sprintf(node,"%d",(int)(idx[base]/dd->w));
ierr = PetscDrawString(draw,x/dd->w,y,PETSC_DRAW_BLUE,node);
CHKERRQ(ierr);
}
base++;
}
}
ierr = PetscDrawSynchronizedFlush(draw);
CHKERRQ(ierr);
ierr = PetscDrawPause(draw);
CHKERRQ(ierr);
} else if (isbinary) {
ierr = DMView_DA_Binary(da,viewer);
CHKERRQ(ierr);
#if defined(PETSC_HAVE_MATLAB_ENGINE)
} else if (ismatlab) {
ierr = DMView_DA_Matlab(da,viewer);
CHKERRQ(ierr);
#endif
}
PetscFunctionReturn(0);
}
/*@
PetscDrawBarDraw - Redraws a bar graph.
Collective, but ignored by all processors except processor 0 in PetscDrawBar
Input Parameter:
. bar - The bar graph context
Level: intermediate
@*/
PetscErrorCode PetscDrawBarDraw(PetscDrawBar bar)
{
PetscDraw draw;
PetscBool isnull;
PetscReal xmin,xmax,ymin,ymax,*values,binLeft,binRight;
PetscInt numValues,i,bcolor,color,idx,*perm,nplot;
PetscMPIInt rank;
PetscErrorCode ierr;
char **labels;
PetscFunctionBegin;
if (!bar) PetscFunctionReturn(0);
PetscValidHeaderSpecific(bar,PETSC_DRAWBAR_CLASSID,1);
draw = bar->win;
ierr = PetscDrawIsNull(draw,&isnull);
CHKERRQ(ierr);
if (isnull) PetscFunctionReturn(0);
if (bar->numBins < 1) PetscFunctionReturn(0);
ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)bar),&rank);
CHKERRQ(ierr);
color = bar->color;
if (color == PETSC_DRAW_ROTATE) bcolor = 2;
else bcolor = color;
numValues = bar->numBins;
values = bar->values;
if (bar->ymin == bar->ymax) {
/* user has not set bounds on bars so set them based on the data */
ymin = PETSC_MAX_REAL;
ymax = PETSC_MIN_REAL;
for (i=0; i<numValues; i++) {
ymin = PetscMin(ymin,values[i]);
ymax = PetscMax(ymax,values[i]);
}
} else {
ymin = bar->ymin;
ymax = bar->ymax;
}
nplot = numValues; /* number of points to actually plot; if some are lower than requested tolerance */
xmin = 0.0;
xmax = nplot;
labels = bar->labels;
if (bar->sort) {
ierr = PetscMalloc1(numValues,&perm);
CHKERRQ(ierr);
for (i=0; i<numValues; i++) perm[i] = i;
ierr = PetscSortRealWithPermutation(numValues,values,perm);
CHKERRQ(ierr);
if (bar->sorttolerance) {
for (i=0; i<numValues; i++) {
if (values[perm[numValues - i - 1]] < bar->sorttolerance) {
nplot = i;
break;
}
}
}
}
ierr = PetscDrawCheckResizedWindow(draw);
CHKERRQ(ierr);
ierr = PetscDrawSynchronizedClear(draw);
CHKERRQ(ierr);
ierr = PetscDrawCollectiveBegin(draw);
CHKERRQ(ierr);
ierr = PetscDrawAxisSetLimits(bar->axis,xmin,xmax,ymin,ymax);
CHKERRQ(ierr);
ierr = PetscDrawAxisDraw(bar->axis);
CHKERRQ(ierr);
if (!rank) { /* Draw bins */
for (i=0; i<nplot; i++) {
idx = (bar->sort ? perm[numValues - i - 1] : i);
binLeft = xmin + i;
binRight = xmin + i + 1;
ierr = PetscDrawRectangle(draw,binLeft,ymin,binRight,values[idx],bcolor,bcolor,bcolor,bcolor);
CHKERRQ(ierr);
ierr = PetscDrawLine(draw,binLeft,ymin,binLeft,values[idx],PETSC_DRAW_BLACK);
CHKERRQ(ierr);
ierr = PetscDrawLine(draw,binRight,ymin,binRight,values[idx],PETSC_DRAW_BLACK);
CHKERRQ(ierr);
ierr = PetscDrawLine(draw,binLeft,values[idx],binRight,values[idx],PETSC_DRAW_BLACK);
CHKERRQ(ierr);
if (labels) {
PetscReal h;
ierr = PetscDrawStringGetSize(draw,NULL,&h);
CHKERRQ(ierr);
ierr = PetscDrawStringCentered(draw,.5*(binLeft+binRight),ymin - 1.2*h,bcolor,labels[idx]);
CHKERRQ(ierr);
}
if (color == PETSC_DRAW_ROTATE) bcolor++;
if (bcolor > PETSC_DRAW_BASIC_COLORS-1) bcolor = 2;
}
}
if (bar->sort) {
ierr = PetscFree(perm);
CHKERRQ(ierr);
}
ierr = PetscDrawCollectiveEnd(draw);
CHKERRQ(ierr);
ierr = PetscDrawSynchronizedFlush(draw);
CHKERRQ(ierr);
ierr = PetscDrawPause(draw);
CHKERRQ(ierr);
PetscFunctionReturn(0);
}
