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/*=========================================================================
Program: Visualization Toolkit
Module: TestGaussianBlurPass.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/**
* This tests reading a LAS file.
*/
#include "vtkCamera.h"
#include "vtkLookupTable.h"
#include "vtkNew.h"
#include "vtkPointData.h"
#include "vtkPolyDataMapper.h"
#include "vtkRegressionTestImage.h"
#include "vtkRenderer.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderWindow.h"
#include "vtkSmartPointer.h"
#include "vtkTestUtilities.h"
#include "vtkUnsignedCharArray.h"
#include "vtkUnsignedShortArray.h"
//#include "vtkXMLPolyDataWriter.h"
#include "vtkLASReader.h"
int TestLASReader_@VTK_LAS_READER_POSTFIX@(int argc, char **argv)
{
const char* fileName = "Data/@VTK_LAS_READER_TEST_INPUT@";
const char* path = vtkTestUtilities::ExpandDataFileName(argc, argv, fileName);
vtkNew<vtkLASReader> reader;
//Select source file
reader->SetFileName(path);
//Read the output
reader->Update();
delete [] path;
vtkSmartPointer<vtkPolyData> outputData = reader->GetOutput();
bool useClassification = false;
bool useColor = false;
vtkUnsignedShortArray* classification =
vtkUnsignedShortArray::SafeDownCast(outputData->GetPointData()->GetArray("classification"));
vtkUnsignedShortArray* intensity =
vtkUnsignedShortArray::SafeDownCast(outputData->GetPointData()->GetArray("intensity"));
vtkUnsignedShortArray* color =
vtkUnsignedShortArray::SafeDownCast(outputData->GetPointData()->GetArray("color"));
double range[2];
if (classification)
{
classification->GetRange(range, 0);
if (range[0] != range[1])
{
std::cout << "Color by classification\n";
useClassification = true;
outputData->GetPointData()->SetActiveScalars("classification");
}
}
if (! useClassification)
{
if (color)
{
color->GetRange(range, 0);
if (range[0] != range[1])
{
std::cout << "Color by color scalar\n";
useColor = true;
outputData->GetPointData()->SetActiveScalars("color");
}
}
else
{
std::cout << "Color by intensity\n";
intensity->GetRange(range, 0);
outputData->GetPointData()->SetActiveScalars("intensity");
}
}
// vtkNew<vtkXMLPolyDataWriter> writer;
// writer->SetFileName("test.vtp");
// writer->SetInputData(outputData);
// writer->Write();
//Visualise in a render window
vtkNew<vtkPolyDataMapper> mapper;
mapper->SetInputData(outputData);
if (useColor)
{
mapper->SetColorModeToDirectScalars();
}
else
{
mapper->SetScalarRange(range);
}
vtkNew<vtkActor> actor;
actor->SetMapper(mapper);
vtkNew<vtkRenderer> renderer;
vtkNew<vtkRenderWindow> renderWindow;
renderWindow->AddRenderer(renderer);
vtkNew<vtkRenderWindowInteractor> renderWindowInteractor;
renderWindowInteractor->SetRenderWindow(renderWindow);
renderer->AddActor(actor);
renderer->ResetCamera();
vtkCamera *camera=renderer->GetActiveCamera();
camera->Elevation(@VTK_LAS_READER_ELEVATION@);
int retVal = vtkRegressionTestImageThreshold (renderWindow, 0.2);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
renderWindowInteractor->Start ();
retVal = vtkRegressionTester::PASSED;
}
return !((retVal == vtkTesting::PASSED) || (retVal == vtkTesting::DO_INTERACTOR));
}
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