C++ (Cpp) VtkVisPipelineItem::data示例

void VtkVisPipelineView::convertVTKToOGSMesh()
{
	VtkVisPipelineItem* item = static_cast<VtkVisPipelineItem*>(
		static_cast<VtkVisPipeline*>(this->model())->getItem(this->selectionModel()->currentIndex()));
	vtkSmartPointer<vtkAlgorithm> algorithm = item->algorithm();


	vtkUnstructuredGrid* grid(NULL);
	vtkUnstructuredGridAlgorithm* ugAlg = vtkUnstructuredGridAlgorithm::SafeDownCast(algorithm);
	if (ugAlg)
		grid = ugAlg->GetOutput();
	else
	{
		// for old filetypes
		vtkGenericDataObjectReader* dataReader = vtkGenericDataObjectReader::SafeDownCast(algorithm);
		if (dataReader)
			grid = vtkUnstructuredGrid::SafeDownCast(dataReader->GetOutput());
		else
		{
			// for new filetypes
			vtkXMLUnstructuredGridReader* xmlReader = vtkXMLUnstructuredGridReader::SafeDownCast(algorithm);
			grid = vtkUnstructuredGrid::SafeDownCast(xmlReader->GetOutput());
		}
	}
	MeshLib::Mesh* mesh = MeshLib::VtkMeshConverter::convertUnstructuredGrid(grid);
	mesh->setName(item->data(0).toString().toStdString());
	emit meshAdded(mesh);
}