PetscErrorCode VecView_Seq_Draw_LG(Vec xin,PetscViewer v) { PetscErrorCode ierr; PetscInt i,c,bs = PetscAbs(xin->map->bs),n = xin->map->n/bs; PetscDraw win; PetscReal *xx; PetscDrawLG lg; const PetscScalar *xv; PetscReal *yy; PetscFunctionBegin; ierr = PetscMalloc1(n,&xx);CHKERRQ(ierr); ierr = PetscMalloc1(n,&yy);CHKERRQ(ierr); ierr = VecGetArrayRead(xin,&xv);CHKERRQ(ierr); for (c=0; c<bs; c++) { ierr = PetscViewerDrawGetDrawLG(v,c,&lg);CHKERRQ(ierr); ierr = PetscDrawLGGetDraw(lg,&win);CHKERRQ(ierr); ierr = PetscDrawCheckResizedWindow(win);CHKERRQ(ierr); ierr = PetscDrawLGReset(lg);CHKERRQ(ierr); for (i=0; i<n; i++) { xx[i] = (PetscReal) i; yy[i] = PetscRealPart(xv[c + i*bs]); } ierr = PetscDrawLGAddPoints(lg,n,&xx,&yy);CHKERRQ(ierr); ierr = PetscDrawLGDraw(lg);CHKERRQ(ierr); ierr = PetscDrawSynchronizedFlush(win);CHKERRQ(ierr); } ierr = VecRestoreArrayRead(xin,&xv);CHKERRQ(ierr); ierr = PetscFree(yy);CHKERRQ(ierr); ierr = PetscFree(xx);CHKERRQ(ierr); PetscFunctionReturn(0); }
PetscErrorCode PetscViewerFlush_Draw(PetscViewer v) { PetscErrorCode ierr; PetscInt i; PetscViewer_Draw *vdraw = (PetscViewer_Draw*)v->data; PetscFunctionBegin; for (i=0; i<vdraw->draw_max; i++) { if (vdraw->draw[i]) {ierr = PetscDrawSynchronizedFlush(vdraw->draw[i]);CHKERRQ(ierr);} } PetscFunctionReturn(0); }
/*@C PetscDrawViewPortsCreate - Splits a window into smaller view ports. Each processor shares all the viewports. Collective on PetscDraw Input Parameters: + draw - the drawing context - nports - the number of ports Output Parameter: . ports - a PetscDrawViewPorts context (C structure) Level: advanced Concepts: drawing^in subset of window .seealso: PetscDrawSplitViewPort(), PetscDrawSetViewPort(), PetscDrawViewPortsSet(), PetscDrawViewPortsDestroy() @*/ PetscErrorCode PetscDrawViewPortsCreate(PetscDraw draw,PetscInt nports,PetscDrawViewPorts **ports) { int i,n; PetscErrorCode ierr; PetscBool isnull; PetscReal *xl,*xr,*yl,*yr,h; PetscFunctionBegin; PetscValidHeaderSpecific(draw,PETSC_DRAW_CLASSID,1); PetscValidPointer(ports,3); ierr = PetscObjectTypeCompare((PetscObject)draw,PETSC_DRAW_NULL,&isnull);CHKERRQ(ierr); if (isnull) { *ports = PETSC_NULL; PetscFunctionReturn(0); } ierr = PetscNew(PetscDrawViewPorts,ports);CHKERRQ(ierr); (*ports)->draw = draw; (*ports)->nports = nports; ierr = PetscObjectReference((PetscObject)draw);CHKERRQ(ierr); n = (int)(.1 + sqrt((double)nports)); while (n*n < nports) {n++;} ierr = PetscMalloc(n*n*sizeof(PetscReal),&xl);CHKERRQ(ierr);(*ports)->xl = xl; ierr = PetscMalloc(n*n*sizeof(PetscReal),&xr);CHKERRQ(ierr);(*ports)->xr = xr; ierr = PetscMalloc(n*n*sizeof(PetscReal),&yl);CHKERRQ(ierr);(*ports)->yl = yl; ierr = PetscMalloc(n*n*sizeof(PetscReal),&yr);CHKERRQ(ierr);(*ports)->yr = yr; h = 1.0/n; for (i=0; i<n*n; i++) { xl[i] = (i % n)*h; xr[i] = xl[i] + h; yl[i] = (i/n)*h; yr[i] = yl[i] + h; ierr = PetscDrawLine(draw,xl[i],yl[i],xl[i],yr[i],PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xl[i],yr[i],xr[i],yr[i],PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr[i],yr[i],xr[i],yl[i],PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr[i],yl[i],xl[i],yl[i],PETSC_DRAW_BLACK);CHKERRQ(ierr); xl[i] += .1*h; xr[i] -= .1*h; yl[i] += .1*h; yr[i] -= .1*h; } ierr = PetscDrawSynchronizedFlush(draw);CHKERRQ(ierr); PetscFunctionReturn(0); }
/*@ PetscDrawSplitViewPort - Splits a window shared by several processes into smaller view ports. One for each process. Collective on PetscDraw Input Parameter: . draw - the drawing context Level: advanced Concepts: drawing^in subset of window .seealso: PetscDrawDivideViewPort(), PetscDrawSetViewPort() @*/ PetscErrorCode PETSC_DLLEXPORT PetscDrawSplitViewPort(PetscDraw draw) { PetscErrorCode ierr; PetscMPIInt rank,size; int n; PetscTruth isnull; PetscReal xl,xr,yl,yr,h; PetscFunctionBegin; PetscValidHeaderSpecific(draw,PETSC_DRAW_COOKIE,1); ierr = PetscTypeCompare((PetscObject)draw,PETSC_DRAW_NULL,&isnull); CHKERRQ(ierr); if (isnull) PetscFunctionReturn(0); ierr = MPI_Comm_rank(((PetscObject)draw)->comm,&rank); CHKERRQ(ierr); ierr = MPI_Comm_size(((PetscObject)draw)->comm,&size); CHKERRQ(ierr); n = (int)(.1 + sqrt((double)size)); while (n*n < size) { n++; } h = 1.0/n; xl = (rank % n)*h; xr = xl + h; yl = (rank/n)*h; yr = yl + h; ierr = PetscDrawLine(draw,xl,yl,xl,yr,PETSC_DRAW_BLACK); CHKERRQ(ierr); ierr = PetscDrawLine(draw,xl,yr,xr,yr,PETSC_DRAW_BLACK); CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr,yr,xr,yl,PETSC_DRAW_BLACK); CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr,yl,xl,yl,PETSC_DRAW_BLACK); CHKERRQ(ierr); ierr = PetscDrawSynchronizedFlush(draw); CHKERRQ(ierr); draw->port_xl = xl + .1*h; draw->port_xr = xr - .1*h; draw->port_yl = yl + .1*h; draw->port_yr = yr - .1*h; if (draw->ops->setviewport) { ierr = (*draw->ops->setviewport)(draw,xl,yl,xr,yr); CHKERRQ(ierr); } PetscFunctionReturn(0); }
/*@C PetscDrawViewPortsCreateRect - Splits a window into smaller view ports. Each processor shares all the viewports. The number of views in the x- and y-directions is specified. Collective on PetscDraw Input Parameters: + draw - the drawing context . nx - the number of x divisions - ny - the number of y divisions Output Parameter: . ports - a PetscDrawViewPorts context (C structure) Level: advanced Concepts: drawing^in subset of window .seealso: PetscDrawSplitViewPort(), PetscDrawSetViewPort(), PetscDrawViewPortsSet(), PetscDrawViewPortsDestroy() @*/ PetscErrorCode PetscDrawViewPortsCreateRect(PetscDraw draw,PetscInt nx,PetscInt ny,PetscDrawViewPorts **ports) { PetscReal *xl, *xr, *yl, *yr, hx, hy; PetscBool isnull; PetscInt i, j, n; PetscErrorCode ierr; PetscFunctionBegin; PetscValidHeaderSpecific(draw,PETSC_DRAW_CLASSID,1); if ((nx < 1) || (ny < 1)) { SETERRQ2(PETSC_COMM_SELF,PETSC_ERR_ARG_OUTOFRANGE, "Number of divisions must be positive: %d x %d", nx, ny); } ierr = PetscObjectTypeCompare((PetscObject) draw, PETSC_DRAW_NULL, &isnull);CHKERRQ(ierr); if (isnull) { *ports = PETSC_NULL; PetscFunctionReturn(0); } n = nx*ny; hx = 1.0/nx; hy = 1.0/ny; ierr = PetscNew(PetscDrawViewPorts, ports);CHKERRQ(ierr); (*ports)->draw = draw; (*ports)->nports = n; ierr = PetscObjectReference((PetscObject) draw);CHKERRQ(ierr); ierr = PetscMalloc(n*sizeof(PetscReal), &xl);CHKERRQ(ierr);(*ports)->xl = xl; ierr = PetscMalloc(n*sizeof(PetscReal), &xr);CHKERRQ(ierr);(*ports)->xr = xr; ierr = PetscMalloc(n*sizeof(PetscReal), &yl);CHKERRQ(ierr);(*ports)->yl = yl; ierr = PetscMalloc(n*sizeof(PetscReal), &yr);CHKERRQ(ierr);(*ports)->yr = yr; for(i = 0; i < nx; i++) { for(j = 0; j < ny; j++) { PetscInt k = j*nx+i; xl[k] = i*hx; xr[k] = xl[k] + hx; yl[k] = j*hy; yr[k] = yl[k] + hy; ierr = PetscDrawLine(draw,xl[k],yl[k],xl[k],yr[k],PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xl[k],yr[k],xr[k],yr[k],PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr[k],yr[k],xr[k],yl[k],PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr[k],yl[k],xl[k],yl[k],PETSC_DRAW_BLACK);CHKERRQ(ierr); xl[k] += .01*hx; xr[k] -= .01*hx; yl[k] += .01*hy; yr[k] -= .01*hy; } } ierr = PetscDrawSynchronizedFlush(draw);CHKERRQ(ierr); PetscFunctionReturn(0); }
/*@ PetscDrawSplitViewPort - Splits a window shared by several processes into smaller view ports. One for each process. Collective on PetscDraw Input Parameter: . draw - the drawing context Level: advanced Concepts: drawing^in subset of window .seealso: PetscDrawDivideViewPort(), PetscDrawSetViewPort() @*/ PetscErrorCode PetscDrawSplitViewPort(PetscDraw draw) { PetscErrorCode ierr; PetscMPIInt rank,size; PetscInt n; PetscBool isnull; PetscReal xl,xr,yl,yr,h; PetscFunctionBegin; PetscValidHeaderSpecific(draw,PETSC_DRAW_CLASSID,1); ierr = PetscObjectTypeCompare((PetscObject)draw,PETSC_DRAW_NULL,&isnull);CHKERRQ(ierr); if (isnull) PetscFunctionReturn(0); ierr = MPI_Comm_rank(PetscObjectComm((PetscObject)draw),&rank);CHKERRQ(ierr); ierr = MPI_Comm_size(PetscObjectComm((PetscObject)draw),&size);CHKERRQ(ierr); n = (PetscInt)(.1 + PetscSqrtReal((PetscReal)size)); while (n*n < size) n++; h = 1.0/n; xl = (rank % n)*h; xr = xl + h; yl = (rank/n)*h; yr = yl + h; ierr = PetscDrawLine(draw,xl,yl,xl,yr,PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xl,yr,xr,yr,PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr,yr,xr,yl,PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawLine(draw,xr,yl,xl,yl,PETSC_DRAW_BLACK);CHKERRQ(ierr); ierr = PetscDrawSynchronizedFlush(draw);CHKERRQ(ierr); draw->port_xl = xl + .1*h; draw->port_xr = xr - .1*h; draw->port_yl = yl + .1*h; draw->port_yr = yr - .1*h; if (draw->ops->setviewport) { ierr = (*draw->ops->setviewport)(draw,xl,yl,xr,yr);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. Not Collective (ignored except on processor 0 of PetscDrawBar) Input Parameter: . bar - The bar graph context Level: intermediate @*/ PetscErrorCode PetscDrawBarDraw(PetscDrawBar bar) { PetscDraw draw = bar->win; PetscBool isnull; PetscReal xmin,xmax,ymin,ymax,*values,binLeft,binRight; PetscInt numValues,i,bcolor,color,idx,*perm,nplot; PetscErrorCode ierr; char **labels; PetscFunctionBegin; PetscValidHeaderSpecific(bar, PETSC_DRAWBAR_CLASSID,1); ierr = PetscObjectTypeCompare((PetscObject) draw, PETSC_DRAW_NULL, &isnull);CHKERRQ(ierr); if (isnull) PetscFunctionReturn(0); if (bar->numBins < 1) PetscFunctionReturn(0); 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; 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; } } } } xmax = nplot; ierr = PetscDrawAxisSetLimits(bar->axis, xmin, xmax, ymin, ymax);CHKERRQ(ierr); ierr = PetscDrawClear(draw);CHKERRQ(ierr); ierr = PetscDrawAxisDraw(bar->axis);CHKERRQ(ierr); /* 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 > 31) bcolor = 2; } if (bar->sort) { ierr = PetscFree(perm);CHKERRQ(ierr); } ierr = PetscDrawSynchronizedFlush(draw);CHKERRQ(ierr); ierr = PetscDrawPause(draw);CHKERRQ(ierr); PetscFunctionReturn(0); }
int main(int argc,char **argv) { PetscDraw draw; PetscDrawLG lg; PetscDrawAxis axis; PetscInt n = 20,i,x = 0,y = 0,width = 300,height = 300,nports = 1; PetscBool flg; const char *xlabel,*ylabel,*toplabel; PetscReal xd,yd; PetscDrawViewPorts *ports; PetscErrorCode ierr; xlabel = "X-axis Label"; toplabel = "Top Label"; ylabel = "Y-axis Label"; ierr = PetscInitialize(&argc,&argv,(char*)0,help); CHKERRQ(ierr); ierr = PetscOptionsGetInt(NULL,"-width",&width,NULL); CHKERRQ(ierr); ierr = PetscOptionsGetInt(NULL,"-height",&height,NULL); CHKERRQ(ierr); ierr = PetscOptionsGetInt(NULL,"-n",&n,NULL); CHKERRQ(ierr); ierr = PetscOptionsGetInt(NULL,"-nports",&nports,NULL); CHKERRQ(ierr); ierr = PetscOptionsHasName(NULL,"-nolabels",&flg); CHKERRQ(ierr); if (flg) { toplabel = NULL; xlabel = NULL; ylabel = NULL; } ierr = PetscDrawCreate(PETSC_COMM_WORLD,0,"Title",x,y,width,height,&draw); CHKERRQ(ierr); ierr = PetscDrawSetFromOptions(draw); CHKERRQ(ierr); ierr = PetscDrawViewPortsCreate(draw,nports,&ports); CHKERRQ(ierr); ierr = PetscDrawViewPortsSet(ports,0); CHKERRQ(ierr); ierr = PetscDrawLGCreate(draw,1,&lg); CHKERRQ(ierr); ierr = PetscDrawDestroy(&draw); CHKERRQ(ierr); ierr = PetscDrawLGGetAxis(lg,&axis); CHKERRQ(ierr); ierr = PetscDrawAxisSetColors(axis,PETSC_DRAW_BLACK,PETSC_DRAW_RED,PETSC_DRAW_BLUE); CHKERRQ(ierr); ierr = PetscDrawAxisSetLabels(axis,toplabel,xlabel,ylabel); CHKERRQ(ierr); for (i=0; i<n; i++) { xd = (PetscReal)(i - 5); yd = xd*xd; ierr = PetscDrawLGAddPoint(lg,&xd,&yd); CHKERRQ(ierr); } ierr = PetscDrawLGSetUseMarkers(lg,PETSC_TRUE); CHKERRQ(ierr); ierr = PetscDrawLGDraw(lg); CHKERRQ(ierr); ierr = PetscDrawLGGetDraw(lg,&draw); CHKERRQ(ierr); ierr = PetscDrawString(draw,-3.,150.0,PETSC_DRAW_BLUE,"A legend"); CHKERRQ(ierr); ierr = PetscDrawSynchronizedFlush(draw); CHKERRQ(ierr); ierr = PetscDrawLGDestroy(&lg); CHKERRQ(ierr); ierr = PetscDrawViewPortsDestroy(ports); CHKERRQ(ierr); ierr = PetscFinalize(); return 0; }
PETSC_EXTERN void PETSC_STDCALL petscdrawsynchronizedflush_(PetscDraw draw, int *__ierr ){ *__ierr = PetscDrawSynchronizedFlush( (PetscDraw)PetscToPointer((draw) )); }