vtk单窗口显示多个源数据代码

std::vector<vtkSmartPointer<vtkPolyDataAlgorithm> > geometricObjectSources;geometricObjectSources.push_back(vtkSmartPointer<vtkArrowSource>::New());//箭头geometricObjectSources.push_back(vtkSmartPointer<vtkConeSource>::New());//锥体geometricObjectSources.push_back(vtkSmartPointer<vtkCubeSource>::New());//立方体geometricObjectSources.push_back(vtkSmartPointer<vtkCylinderSource>::New());//缸体geometricObjectSources.push_back(vtkSmartPointer<vtkDiskSource>::New());//转盘geometricObjectSources.push_back(vtkSmartPointer<vtkLineSource>::New());//直线geometricObjectSources.push_back(vtkSmartPointer<vtkRegularPolygonSource>::New());//正多面体geometricObjectSources.push_back(vtkSmartPointer<vtkSphereSource>::New());//球体std::vector<vtkSmartPointer<vtkRenderer> > renderers;std::vector<vtkSmartPointer<vtkPolyDataMapper> > mappers;std::vector<vtkSmartPointer<vtkActor> > actors;std::vector<vtkSmartPointer<vtkTextMapper> > textmappers;std::vector<vtkSmartPointer<vtkActor2D> > textactors;for (unsigned int i = 0; i < geometricObjectSources.size(); i++){geometricObjectSources[i]->Update();mappers.push_back(vtkSmartPointer<vtkPolyDataMapper>::New());mappers[i]->SetInputConnection(geometricObjectSources[i]->GetOutputPort());actors.push_back(vtkSmartPointer<vtkActor>::New());actors[i]->SetMapper(mappers[i]);textmappers.push_back(vtkSmartPointer<vtkTextMapper>::New());textmappers[i]->SetInput(geometricObjectSources[i]->GetClassName());textactors.push_back(vtkSmartPointer<vtkActor2D>::New());textactors[i]->SetMapper(textmappers[i]);textactors[i]->SetPosition(10, 10);}// 设置格网承载形体int gridCols = 3;int gridRows = 3;// 定义渲染范围int rendererSize = 200;vtkSmartPointer<vtkRenderWindow> renderWindow =vtkSmartPointer<vtkRenderWindow>::New();renderWindow->SetSize(rendererSize*gridCols, rendererSize*gridRows);vtkSmartPointer<vtkRenderWindowInteractor> renderWindowInteractor =vtkSmartPointer<vtkRenderWindowInteractor>::New();for (double row = 0; row < gridRows; row++){for (double col = 0; col < gridCols; col++){double index = row*gridCols + col;//为每个cell定义渲染器vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();renderer->SetBackground(.1, .2, .3);double viewport[4] = {((col)* rendererSize) / (gridCols * rendererSize),((gridRows - (row + 1)) * rendererSize) / (gridRows * rendererSize),((col + 1)              * rendererSize) / (gridCols * rendererSize),((gridRows - (row)) * rendererSize) / (gridRows * rendererSize) };renderer->SetViewport(viewport);if (index < geometricObjectSources.size()){renderer->AddActor(actors[index]);renderer->AddActor(textactors[index]);}renderWindow->AddRenderer(renderer);}}vtkSmartPointer<vtkRenderWindowInteractor> interactor =vtkSmartPointer<vtkRenderWindowInteractor>::New();interactor->SetRenderWindow(renderWindow);renderWindow->Render();interactor->Start();