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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkCamera.h"
#include "vtkCellData.h"
#include "vtkDataSetMapper.h"
#include "vtkHyperTreeGrid.h"
#include "vtkHyperTreeGridGeometry.h"
#include "vtkHyperTreeGridSource.h"
#include "vtkHyperTreeGridThreshold.h"
#include "vtkNew.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkProperty.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
int TestHyperTreeGridTernary3DThresholdDeep(int argc, char* argv[])
{
// Hyper tree grid
vtkNew<vtkHyperTreeGridSource> htGrid;
htGrid->SetMaxDepth(6);
htGrid->SetDimensions(4, 4, 3); // GridCell 3, 3, 2
htGrid->SetGridScale(1.5, 1., .7);
htGrid->SetBranchFactor(3);
htGrid->SetDescriptor(
"RRR .R. .RR ..R ..R .R.|R.......................... ........................... "
"........................... .............R............. ....RR.RR........R......... "
".....RRRR.....R.RR......... ........................... ........................... "
"...........................|........................... ........................... "
"........................... ...RR.RR.......RR.......... ........................... "
"RR......................... ........................... ........................... "
"........................... ........................... ........................... "
"........................... ........................... "
"............RRR............|........................... ........................... "
".......RR.................. ........................... ........................... "
"........................... ........................... ........................... "
"........................... ........................... "
"...........................|........................... ...........................");
htGrid->Update();
vtkHyperTreeGrid* htg = vtkHyperTreeGrid::SafeDownCast(htGrid->GetOutput());
htg->GetCellData()->SetScalars(htg->GetCellData()->GetArray("Depth"));
// Threshold
vtkNew<vtkHyperTreeGridThreshold> threshold;
threshold->SetInputConnection(htGrid->GetOutputPort());
threshold->SetMemoryStrategy(vtkHyperTreeGridThreshold::DeepThreshold);
threshold->SetLowerThreshold(1.);
threshold->SetUpperThreshold(3.);
// Geometries
vtkNew<vtkHyperTreeGridGeometry> geometry1;
geometry1->SetInputConnection(htGrid->GetOutputPort());
geometry1->Update();
vtkPolyData* pd = geometry1->GetPolyDataOutput();
vtkNew<vtkHyperTreeGridGeometry> geometry2;
geometry2->SetInputConnection(threshold->GetOutputPort());
// Mappers
vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
vtkNew<vtkDataSetMapper> mapper1;
mapper1->SetInputConnection(geometry2->GetOutputPort());
mapper1->SetScalarRange(pd->GetCellData()->GetArray("Depth")->GetRange());
vtkNew<vtkPolyDataMapper> mapper2;
mapper2->SetInputConnection(geometry1->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];
pd->GetBounds(bd);
vtkNew<vtkCamera> camera;
camera->SetClippingRange(1., 100.);
camera->SetFocalPoint(pd->GetCenter());
camera->SetPosition(-.8 * bd[1], 2.1 * bd[3], -4.8 * bd[5]);
// 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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