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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
// Regression test for 3D HTG containing masked cells and an interface.
#include "vtkActor.h"
#include "vtkCamera.h"
#include "vtkCellData.h"
#include "vtkDataArray.h"
#include "vtkHyperTreeGridGeometry.h"
#include "vtkLogger.h"
#include "vtkLookupTable.h"
#include "vtkNew.h"
#include "vtkPolyData.h"
#include "vtkPolyDataMapper.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkTestUtilities.h"
#include "vtkXMLHyperTreeGridReader.h"
int TestHyperTreeGrid3DInterface(int argc, char* argv[])
{
// HTG reader
vtkNew<vtkXMLHyperTreeGridReader> reader;
// Test data
char* fileNameC = vtkTestUtilities::ExpandDataFileName(argc, argv, "Data/HTG/shell_3d.htg");
reader->SetFileName(fileNameC);
delete[] fileNameC;
// Geometry filter
vtkNew<vtkHyperTreeGridGeometry> geometryFilter;
geometryFilter->SetInputConnection(reader->GetOutputPort());
geometryFilter->Update();
// Set active scalars for testing
vtkPolyData* geometry = geometryFilter->GetPolyDataOutput();
if (!geometry)
{
vtkLog(ERROR, "Unable to retrieve htg geometry.");
return EXIT_FAILURE;
}
vtkDataArray* scalars =
vtkDataArray::SafeDownCast(geometry->GetCellData()->GetAbstractArray("level"));
if (!scalars)
{
vtkLog(ERROR, "Unable to retrieve \"level\" array.");
return EXIT_FAILURE;
}
geometry->GetCellData()->SetScalars(scalars);
// "Cool to Warm" lookup table
vtkNew<vtkLookupTable> lut;
lut->SetNumberOfTableValues(3);
lut->SetTableValue(0, 0.23, 0.30, 0.75);
lut->SetTableValue(1, 0.87, 0.87, 0.87);
lut->SetTableValue(2, 0.70, 0.02, 0.15);
// Mapper
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputData(geometry);
mapper->SetLookupTable(lut);
mapper->SetScalarRange(scalars->GetRange());
// Force scalar mapping since "level" is an unsigned char array
// so directly interpreted as RGB values by default
mapper->SetColorModeToMapScalars();
// Actors
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
// Renderer and camera
vtkNew<vtkRenderer> renderer;
renderer->AddActor(actor);
renderer->GetActiveCamera()->Azimuth(-135);
renderer->ResetCamera();
renderer->GetActiveCamera()->Zoom(1.4);
// Render window
vtkNew<vtkRenderWindow> renWin;
renWin->AddRenderer(renderer);
renWin->SetSize(400, 400);
// Interactor
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renWin);
// Render and test
renWin->Render();
int retVal = vtkRegressionTestImage(renWin);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
iren->Start();
}
return !retVal;
}
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