VTK初学一，动画加AVI录制终于做出来了

时间：2023-03-08 15:45:00
VTK初学一，动画加AVI录制终于做出来了
 




#ifndef INITIAL_OPENGL

#define INITIAL_OPENGL

#include <vtkAutoInit.h>

VTK_MODULE_INIT(vtkRenderingOpenGL)

VTK_MODULE_INIT(vtkInteractionStyle)

VTK_MODULE_INIT(vtkRenderingFreeType)

#endif

#include <iostream>

using namespace std;

#include <vtkSmartPointer.h>

//#include <vtkJPEGReader.h>

#include <vtkImageCanvasSource2D.h>

#include <vtkAVIWriter.h>

#include<vtkPolyDataMapper.h>

#include <vtkActor.h>

#include <vtkRenderer.h>

#include <vtkRenderWindow.h>

#include <vtkRenderWindowInteractor.h>

#include <vtkInteractorStyleTrackballCamera.h>

#include <vtkImageViewer2.h>

#include <vtkCommand.h>

#include <vtkWindowToImageFilter.h>

int main()

{

    vtkSmartPointer<vtkImageCanvasSource2D> source =vtkSmartPointer<vtkImageCanvasSource2D>::New();

    source->SetScalarTypeToUnsignedChar();

    source->SetNumberOfScalarComponents();

    source->SetExtent(, , , , , );

    vtkSmartPointer<vtkAVIWriter> writer =vtkSmartPointer<vtkAVIWriter>::New();

    vtkSmartPointer<vtkRenderWindowInteractor> iren=vtkSmartPointer<vtkRenderWindowInteractor>::New();

    vtkSmartPointer<vtkImageViewer2>imageViewer=vtkSmartPointer<vtkImageViewer2>::New();

    imageViewer->SetInputConnection(source->GetOutputPort());

    imageViewer->SetupInteractor(iren);

    imageViewer->GetRenderer()->ResetCamera();

    imageViewer->GetRenderer()->SetBackground(,,);

    imageViewer->SetSize(,);

    iren->Initialize();

//    iren->Start();

    vtkSmartPointer<vtkWindowToImageFilter> filter=vtkSmartPointer<vtkWindowToImageFilter>::New();

    filter->SetInput(imageViewer->GetRenderWindow());

    writer->SetInputConnection(filter->GetOutputPort());

    writer->SetFileName("test.avi");

    writer->Start();

    for(unsigned int i = ; i < ; i++)

    {

        source->SetDrawColor(,,,); //black

        source->FillBox(, , ,); //clear image

        source->SetDrawColor(,,,); //red

        source->FillBox(i,,,);

        source->Update();

        imageViewer->Render();

        for(int i=;i<;i++)

        {

            filter->Modified();

            writer->Write();

        }

    }

    writer->End();

    iren->Start();

    return ;

}






 




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