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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkPResampleWithDataSet.h"
#include "vtkActor.h"
#include "vtkBoundingBox.h"
#include "vtkCompositeDataGeometryFilter.h"
#include "vtkCompositePolyDataMapper.h"
#include "vtkCompositeRenderManager.h"
#include "vtkCylinder.h"
#include "vtkExtentTranslator.h"
#include "vtkImageData.h"
#include "vtkMPIController.h"
#include "vtkMultiBlockDataSet.h"
#include "vtkNew.h"
#include "vtkPointData.h"
#include "vtkRTAnalyticSource.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkSphere.h"
#include "vtkTableBasedClipDataSet.h"
#include "vtkThreshold.h"
#include "vtkTransform.h"
#include "vtkTransformFilter.h"
#include <algorithm>
#include <cmath>
namespace
{
void CreateSourceDataSet(
vtkMultiBlockDataSet* dataset, int rank, int numberOfProcs, int blocksPerProc)
{
int numPieces = blocksPerProc * numberOfProcs;
dataset->SetNumberOfBlocks(numPieces);
vtkNew<vtkExtentTranslator> extentTranslator;
extentTranslator->SetWholeExtent(-16, 16, -16, 16, -16, 16);
extentTranslator->SetNumberOfPieces(numPieces);
extentTranslator->SetSplitModeToBlock();
vtkNew<vtkRTAnalyticSource> wavelet;
wavelet->SetWholeExtent(-16, 16, -16, 16, -16, 16);
wavelet->SetCenter(0, 0, 0);
vtkNew<vtkCylinder> cylinder;
cylinder->SetCenter(0, 0, 0);
cylinder->SetRadius(15);
cylinder->SetAxis(0, 1, 0);
vtkNew<vtkTableBasedClipDataSet> clipCyl;
clipCyl->SetClipFunction(cylinder);
clipCyl->InsideOutOn();
vtkNew<vtkSphere> sphere;
sphere->SetCenter(0, 0, 4);
sphere->SetRadius(12);
vtkNew<vtkTableBasedClipDataSet> clipSphr;
clipSphr->SetInputConnection(clipCyl->GetOutputPort());
clipSphr->SetClipFunction(sphere);
vtkNew<vtkTransform> transform;
transform->RotateZ(45);
vtkNew<vtkTransformFilter> transFilter;
transFilter->SetInputConnection(clipSphr->GetOutputPort());
transFilter->SetTransform(transform);
for (int i = 0; i < blocksPerProc; ++i)
{
int piece = (rank * blocksPerProc) + i;
int blockExtent[6];
extentTranslator->SetPiece(piece);
extentTranslator->PieceToExtent();
extentTranslator->GetExtent(blockExtent);
wavelet->UpdateExtent(blockExtent);
clipCyl->SetInputData(wavelet->GetOutputDataObject(0));
transFilter->Update();
vtkDataObject* block = transFilter->GetOutputDataObject(0)->NewInstance();
block->DeepCopy(transFilter->GetOutputDataObject(0));
dataset->SetBlock(piece, block);
block->Delete();
}
}
void CreateInputDataSet(vtkMultiBlockDataSet* dataset, const double bounds[6], int rank,
int numberOfProcs, int numberOfBlocks)
{
static const int dims[] = { 96, 32, 64 };
dataset->SetNumberOfBlocks(numberOfBlocks);
double size[3] = { bounds[1] - bounds[0], bounds[3] - bounds[2],
(bounds[5] - bounds[4]) / static_cast<double>(numberOfBlocks) };
for (int i = 0; i < numberOfBlocks; ++i)
{
double origin[3] = { bounds[0], bounds[2], bounds[4] + static_cast<double>(i) * size[2] };
double spacing = (*std::max_element(size, size + 3)) / static_cast<double>(dims[i % 3]);
int extent[6];
extent[0] = 0;
extent[1] = static_cast<int>(size[0] / spacing) - 1;
extent[2] = rank * (static_cast<int>(size[1] / spacing) / numberOfProcs);
extent[3] = extent[2] + (static_cast<int>(size[1] / spacing) / numberOfProcs);
extent[4] = 0;
extent[5] = static_cast<int>(std::ceil(size[2] / spacing));
vtkNew<vtkImageData> img;
img->SetExtent(extent);
img->SetOrigin(origin);
img->SetSpacing(spacing, spacing, spacing);
dataset->SetBlock(i, img);
}
}
void ComputeGlobalBounds(
vtkMultiBlockDataSet* dataset, vtkMultiProcessController* controller, double bounds[6])
{
vtkBoundingBox bb;
for (unsigned i = 0; i < dataset->GetNumberOfBlocks(); ++i)
{
vtkDataSet* block = vtkDataSet::SafeDownCast(dataset->GetBlock(i));
if (block)
{
bb.AddBounds(block->GetBounds());
}
}
double lbmin[3], lbmax[3];
bb.GetBounds(lbmin[0], lbmax[0], lbmin[1], lbmax[1], lbmin[2], lbmax[2]);
double gbmin[3], gbmax[3];
controller->AllReduce(lbmin, gbmin, 3, vtkCommunicator::MIN_OP);
controller->AllReduce(lbmax, gbmax, 3, vtkCommunicator::MAX_OP);
for (int i = 0; i < 3; ++i)
{
bounds[2 * i] = gbmin[i];
bounds[2 * i + 1] = gbmax[i];
}
}
} // anonymous namespace
int TestPResampleWithDataSet2(int argc, char* argv[])
{
vtkNew<vtkMPIController> controller;
controller->Initialize(&argc, &argv);
int numProcs = controller->GetNumberOfProcesses();
int rank = controller->GetLocalProcessId();
// create source and input datasets
vtkNew<vtkMultiBlockDataSet> source;
CreateSourceDataSet(source, rank, numProcs, 5);
// compute full bounds of source dataset
double bounds[6];
ComputeGlobalBounds(source, controller, bounds);
vtkNew<vtkMultiBlockDataSet> input;
CreateInputDataSet(input, bounds, rank, numProcs, 3);
vtkNew<vtkPResampleWithDataSet> resample;
resample->SetController(controller);
resample->SetInputData(input);
resample->SetSourceData(source);
resample->Update();
// Render
vtkNew<vtkThreshold> threshold;
threshold->SetInputConnection(resample->GetOutputPort());
threshold->SetInputArrayToProcess(
0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_POINTS, "vtkValidPointMask");
threshold->SetThresholdFunction(vtkThreshold::THRESHOLD_UPPER);
threshold->SetUpperThreshold(1.0);
vtkNew<vtkCompositeDataGeometryFilter> toPoly;
toPoly->SetInputConnection(threshold->GetOutputPort());
double range[2];
toPoly->Update();
toPoly->GetOutput()->GetPointData()->GetArray("RTData")->GetRange(range);
vtkNew<vtkCompositePolyDataMapper> mapper;
mapper->SetInputConnection(toPoly->GetOutputPort());
mapper->SetScalarRange(range);
// Setup parallel rendering
vtkNew<vtkCompositeRenderManager> prm;
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::Take(prm->MakeRenderer());
vtkSmartPointer<vtkRenderWindow> renWin =
vtkSmartPointer<vtkRenderWindow>::Take(prm->MakeRenderWindow());
renWin->AddRenderer(renderer);
renWin->DoubleBufferOn();
renWin->SetMultiSamples(0);
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
prm->SetRenderWindow(renWin);
prm->SetController(controller);
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
renderer->AddActor(actor);
int retVal;
if (rank == 0)
{
prm->ResetAllCameras();
renWin->Render();
retVal = vtkRegressionTester::Test(argc, argv, renWin, 20);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
prm->StartInteractor();
}
controller->TriggerBreakRMIs();
}
else
{
prm->StartServices();
}
controller->Barrier();
controller->Broadcast(&retVal, 1, 0);
controller->Finalize();
return !retVal;
}
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