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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkPolylineMaskImageFilter.h"
#include "itkPolyLineParametricPath.h"
#include "itkEllipseSpatialObject.h"
#include "itkImageFileWriter.h"
#include "itkImageToImageFilter.h"
#include "itkSpatialObjectToImageFilter.h"
#include "itkTestingMacros.h"
#include <iostream>
int
itkPolylineMaskImageFilterTest(int argc, char * argv[])
{
if (argc < 2)
{
std::cerr << "Usage: " << itkNameOfTestExecutableMacro(argv);
std::cerr << " outputFilename" << std::endl;
return EXIT_FAILURE;
}
// Define the dimension of the images
constexpr unsigned int iDimension = 3;
// Define the dimension of the polyline
constexpr unsigned int pDimension = 2;
// Declare the types of the images
using inputImageType = itk::Image<unsigned short, iDimension>;
using outputImageType = itk::Image<unsigned short, iDimension>;
using inputVectorType = itk::Vector<double, iDimension>;
using inputPolylineType = itk::PolyLineParametricPath<pDimension>;
// Create up and viewing direction vectors
inputVectorType inputUpVector, inputViewVector;
// Create polyline
auto inputPolyline = inputPolylineType::New();
std::cout << "Generating the synthetic object..." << std::endl;
// Generate a synthetic ellipse image
using EllipseType = itk::EllipseSpatialObject<2>;
auto ellipse = EllipseType::New();
EllipseType::PointType center;
center.Fill(20);
ellipse->SetCenterInObjectSpace(center);
ellipse->SetRadiusInObjectSpace(10);
ellipse->Update();
std::cout << "Generating the image of the object..." << std::endl;
using SpatialObjectToImageFilterType = itk::SpatialObjectToImageFilter<EllipseType, inputImageType>;
auto imageGenerationFilter = SpatialObjectToImageFilterType::New();
inputImageType::SizeType size;
inputImageType::PointType origin;
origin[0] = 0.0;
origin[1] = 0.0;
origin[2] = 20.0;
size[0] = 40;
size[1] = 40;
size[2] = 35;
imageGenerationFilter->SetOrigin(origin);
imageGenerationFilter->SetSize(size);
imageGenerationFilter->SetInput(ellipse);
imageGenerationFilter->SetInsideValue(2);
imageGenerationFilter->SetOutsideValue(0);
imageGenerationFilter->Update();
// Write out the input image
/*using SpatialObjectImageWriterType = itk::ImageFileWriter< inputImageType >;
SpatialObjectImageWriterType::Pointer spatialObjectImageWriter =
SpatialObjectImageWriterType::New();
spatialObjectImageWriter->SetFileName( argv[1] );
spatialObjectImageWriter->SetInput( imageGenerationFilter->GetOutput() );
spatialObjectImageWriter->Update(); */
std::cout << "Generating the polyline contour..." << std::endl;
// Initialize the polyline
using VertexType = inputPolylineType::VertexType;
// Add vertices to the polyline
VertexType v;
v[0] = 19;
v[1] = 0;
inputPolyline->AddVertex(v);
v[0] = 19;
v[1] = 39;
inputPolyline->AddVertex(v);
v[0] = 25;
v[1] = 39;
inputPolyline->AddVertex(v);
v[0] = 25;
v[1] = 1;
inputPolyline->AddVertex(v);
std::cout << "Generating the view vector... " << std::endl;
// View vector
inputViewVector[0] = 0;
inputViewVector[1] = 0;
inputViewVector[2] = -1;
// Up vector
inputUpVector[0] = 1;
inputUpVector[1] = 0;
inputUpVector[2] = 0;
// Declare the type for the polyline mask image filter
using PolylineMaskImageFilterType =
itk::PolylineMaskImageFilter<inputImageType, inputPolylineType, inputVectorType, outputImageType>;
using PointType = PolylineMaskImageFilterType::PointType;
using ProjPlanePointType = PolylineMaskImageFilterType::ProjPlanePointType;
std::cout << "Generating the filter..." << std::endl;
// Create the mask filter
auto polylineMaskFilter = PolylineMaskImageFilterType::New();
ITK_EXERCISE_BASIC_OBJECT_METHODS(polylineMaskFilter, PolylineMaskImageFilter, ImageToImageFilter);
// Set the input image
polylineMaskFilter->SetInput1(imageGenerationFilter->GetOutput());
// Set the input the polyline
polylineMaskFilter->SetInput2(inputPolyline);
// Set the viewing direction vector
polylineMaskFilter->SetViewVector(inputViewVector);
ITK_TEST_SET_GET_VALUE(inputViewVector, polylineMaskFilter->GetViewVector());
// Set the up direction vector
polylineMaskFilter->SetUpVector(inputUpVector);
ITK_TEST_SET_GET_VALUE(inputUpVector, polylineMaskFilter->GetUpVector());
// Camera center point
PointType cameraCenterPoint;
cameraCenterPoint[0] = 20;
cameraCenterPoint[1] = 20;
cameraCenterPoint[2] = 60;
polylineMaskFilter->SetCameraCenterPoint(cameraCenterPoint);
ITK_TEST_SET_GET_VALUE(cameraCenterPoint, polylineMaskFilter->GetCameraCenterPoint());
// Set the camera focal distance
double focalDistance = 30.0;
polylineMaskFilter->SetFocalDistance(focalDistance);
ITK_TEST_SET_GET_VALUE(focalDistance, polylineMaskFilter->GetFocalDistance());
// Set the camera focal point in the projection plane
ProjPlanePointType focalpoint;
focalpoint[0] = 20.0;
focalpoint[1] = 20.0;
polylineMaskFilter->SetFocalPoint(focalpoint);
ITK_TEST_SET_GET_VALUE(focalpoint, polylineMaskFilter->GetFocalPoint());
polylineMaskFilter->Update();
// Write out the output image
using OutputWriterType = itk::ImageFileWriter<outputImageType>;
auto outputWriter = OutputWriterType::New();
outputWriter->SetFileName(argv[1]);
outputWriter->SetInput(polylineMaskFilter->GetOutput());
outputWriter->Update();
return EXIT_SUCCESS;
}
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