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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// This test verifies that VTK can obtain the dual grid representation
// for a HyperTreeGrid.
#include "vtkCamera.h"
#include "vtkCellData.h"
#include "vtkDataSetMapper.h"
#include "vtkHyperTreeGrid.h"
#include "vtkHyperTreeGridGeometry.h"
#include "vtkHyperTreeGridSource.h"
#include "vtkHyperTreeGridToDualGrid.h"
#include "vtkHyperTreeGridToUnstructuredGrid.h"
#include "vtkNew.h"
#include "vtkPolyData.h"
#include "vtkProperty.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkUnstructuredGrid.h"
#include "vtkDataSetWriter.h"
int TestHyperTreeGridToDualGrid(int argc, char* argv[])
{
// Writer for debug
// vtkNew<vtkDataSetWriter> writer;
// Hyper tree grid
vtkNew<vtkHyperTreeGridSource> htGrid;
int maxLevel = 6;
htGrid->SetMaxDepth(maxLevel);
htGrid->SetDimensions(3, 4, 1); // Dimension 2 in xy plane GridCell 2, 3
htGrid->SetGridScale(1.5, 1., 10.); // this is to test that orientation fixes scale
htGrid->SetBranchFactor(2);
htGrid->SetDescriptor("RRRRR.|.... .R.. RRRR R... R...|.R.. ...R ..RR .R.. R... .... ....|.... "
"...R ..R. .... .R.. R...|.... .... .R.. ....|....");
htGrid->Update();
vtkHyperTreeGrid* htg = vtkHyperTreeGrid::SafeDownCast(htGrid->GetOutput());
htg->GetCellData()->SetScalars(htg->GetCellData()->GetArray("Depth"));
// Geometry
vtkNew<vtkHyperTreeGridToDualGrid> dualfilter;
dualfilter->SetInputConnection(htGrid->GetOutputPort());
dualfilter->Update();
vtkUnstructuredGrid* dual = vtkUnstructuredGrid::SafeDownCast(dualfilter->GetOutput());
// dual->PrintSelf(cerr, vtkIndent(0));
// writer->SetFileName("fooDual.vtk");
// writer->SetInputData(dual);
// writer->Write();
vtkNew<vtkHyperTreeGridToUnstructuredGrid> gfilter;
gfilter->SetInputConnection(htGrid->GetOutputPort());
gfilter->Update();
// vtkUnstructuredGrid *primal = vtkUnstructuredGrid::SafeDownCast(gfilter->GetOutput());
// writer->SetFileName("fooPrimal.vtk");
// writer->SetInputData(primal);
// writer->Write();
vtkNew<vtkHyperTreeGridGeometry> sfilter;
sfilter->SetInputConnection(htGrid->GetOutputPort());
sfilter->Update();
// vtkPolyData *skin = vtkPolyData::SafeDownCast(sfilter->GetOutput());
// writer->SetFileName("fooSkin.vtk");
// writer->SetInputData(skin);
// writer->Write();
// Mappers
vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
vtkNew<vtkDataSetMapper> mapper1;
mapper1->SetInputConnection(dualfilter->GetOutputPort());
// mapper1->SetScalarRange( dual->GetCellData()->GetArray("Depth")->GetRange() ); //no cell data
// yet
vtkNew<vtkDataSetMapper> mapper2;
mapper2->SetInputConnection(dualfilter->GetOutputPort());
mapper2->ScalarVisibilityOff();
// Actors
vtkNew<vtkActor> actor1;
actor1->SetMapper(mapper1);
vtkNew<vtkActor> actor2;
actor2->SetMapper(mapper2);
actor2->GetProperty()->SetRepresentationToWireframe();
actor2->GetProperty()->SetColor(.7, .7, .7);
// Camera
double bd[6];
dual->GetBounds(bd);
vtkNew<vtkCamera> camera;
camera->SetClippingRange(1., 100.);
camera->SetFocalPoint(dual->GetCenter());
camera->SetPosition(.5 * (bd[0] + bd[1]), .5 * (bd[2] + bd[3]), 6.);
// Renderer
vtkNew<vtkRenderer> renderer;
renderer->SetActiveCamera(camera);
renderer->SetBackground(1., 1., 1.);
renderer->AddActor(actor1);
renderer->AddActor(actor2);
// Render window
vtkNew<vtkRenderWindow> renWin;
renWin->AddRenderer(renderer);
renWin->SetSize(400, 400);
renWin->SetMultiSamples(0);
// Interactor
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
// Render and test
renWin->Render();
int retVal = vtkRegressionTestImageThreshold(renWin, 0.05);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
return !retVal;
}
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