int main() {
// Import CT image
ImageFileImporter::pointer importer = ImageFileImporter::New();
importer->setFilename(Config::getTestDataPath() + "CT/CT-Abdomen.mhd");
// Extract surface mesh from the CT image
SurfaceExtraction::pointer extraction = SurfaceExtraction::New();
extraction->setInputConnection(importer->getOutputPort());
extraction->setThreshold(400);
// Export mesh to disk
VTKMeshFileExporter::pointer exporter = VTKMeshFileExporter::New();
exporter->setInputConnection(extraction->getOutputPort());
exporter->setFilename("region_growing_result.vtk");
exporter->setWriteNormals(true);
exporter->update(0);
}
int main() {
// Import CT image
ImageFileImporter::pointer importer = ImageFileImporter::New();
importer->setFilename(std::string(FAST_TEST_DATA_DIR) + "CT-Abdomen.mhd");
// Extract surface mesh using a threshold value
SurfaceExtraction::pointer extraction = SurfaceExtraction::New();
extraction->setInputConnection(importer->getOutputPort());
extraction->setThreshold(300);
// Render and visualize the mesh
MeshRenderer::pointer surfaceRenderer = MeshRenderer::New();
surfaceRenderer->setInputConnection(extraction->getOutputPort());
SimpleWindow::pointer window = SimpleWindow::New();
window->addRenderer(surfaceRenderer);
#ifdef FAST_CONTINUOUS_INTEGRATION
// This will automatically close the window after 5 seconds, used for CI testing
window->setTimeout(5*1000);
#endif
window->start();
}