vtkCGNSreader

 用vtk读取cgns文件，用opengl显示。vtk有多种显示接口，还有qt，该怎么选择？

添加include目录以后，添加库文件，列表如下（有一些可能没有用）：

vtkCommonCore-9.2d.lib
vtkRenderingCore-9.2d.lib
vtkInteractionWidgets-9.2d.lib
vtkInteractionStyle-9.2d.lib
vtkcgns-9.2d.lib
vtkRenderingOpenGL2-9.2d.lib
vtksys-9.2d.lib
vtkIOCGNSReader-9.2d.lib
vtkIOCore-9.2d.lib
vtkCommonDataModel-9.2d.lib
vtkCommonComputationalGeometry-9.2d.lib
vtkCommonMath-9.2d.lib
vtkCommonExecutionModel-9.2d.lib
vtkCommonSystem-9.2d.lib
vtkCommonTransforms-9.2d.lib
vtkFiltersCore-9.2d.lib
vtkFiltersGeometry-9.2d.lib

#include "vtkNew.h"
#include "vtkStructuredGrid.h"
#include "vtkTestUtilities.h"
#include "vtkCompositeDataGeometryFilter.h"
#include "vtkGeometryFilter.h"
#include "vtkPolyDataMapper.h"
#include "vtkDataSetMapper.h"
#include "vtkActor.h"
#include "vtkAssembly.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkInteractorStyleTrackballCamera.h"
#include "vtkDataArraySelection.h"
#include "vtkExtractBlock.h"
#include "vtkExtractArray.h"
#include "vtkInformation.h"
#include "vtkPolyDataWriter.h"
#include "vtkDataSetWriter.h"
#include "vtkDataObjectTree.h"
#include "vtkExtractBlock.h"
#include "vtkCompositeDataWriter.h"
#include 
#include 
#include "vtkCGNSReader.h"
#include "vtkCGNSFileSeriesReader.h"
#include "vtkCell.h"
#include "vtkMultiBlockDataSet.h"
/*=========================================================================*/
#include "vtkAutoInit.h"
VTK_MODULE_INIT(vtkInteractionStyle)
VTK_MODULE_INIT(vtkRenderingOpenGL2)

int main(int, char**) {
    vtkNew reader;
    reader->SetFileName("test.cgns");
    reader->Update();
    vtkSmartPointer multiBlockDataSet = reader->GetOutput();
    auto nb = multiBlockDataSet->GetNumberOfBlocks();
    std::cout << "nb=" << nb << std::endl;
    auto np = multiBlockDataSet->GetNumberOfPoints();
    std::cout << "np=" << np << std::endl;
    auto nc = multiBlockDataSet->GetNumberOfCells();
    std::cout << "nc=" << nc << std::endl;
//    auto multiblock=multiBlockDataSet->GetBlock(0);
//    int i = 0;
//    auto info = multiBlockDataSet->GetMetaData(i);
    vtkNew geom;
    geom->SetInputConnection(reader->GetOutputPort());
    geom->Update();
    vtkNew modelmapper;
    modelmapper->SetInputConnection(geom->GetOutputPort());
    // Create Actor
    vtkNew modelActor;
    modelActor->SetMapper(modelmapper);
    //Assembly
    vtkNew assembly;
    assembly->AddPart(modelActor);
    vtkNew render;
    render->AddActor(assembly);
    render->SetBackground(160.0 / 255.0, 163.0 / 255.0, 228.0 / 255.0);
    //render->SetBackground(0.1, 0.2, 0.3);
    vtkNew renderWindow;
    renderWindow->AddRenderer(render);
    renderWindow->SetMultiSamples(0);
    renderWindow->Render();
    vtkNew rwInteractor;
    vtkNew style;
    rwInteractor->SetRenderWindow(renderWindow);
    rwInteractor->SetInteractorStyle(style);
    rwInteractor->Initialize();
    rwInteractor->Start();
    std::cout << "Success!\n";
}