VTK 基础入门 ( 一 ) 可视化管线

#include <vtkAutoInit.h>
VTK_MODULE_INIT(vtkRenderingOpenGL2);
VTK_MODULE_INIT(vtkInteractionStyle);
#include<vtkSmartPointer.h>
#include<vtkStructuredPointsReader.h>
#include<vtkPolyDataMapper.h>
#include<vtkMarchingCubes.h>
#include<vtkActor.h>
#include<vtkRenderer.h>
#include<vtkRenderWindow.h>
#include<vtkRenderWindowInteractor.h>


int main(int argc ,char * argv[]) {

	vtkSmartPointer<vtkStructuredPointsReader> reader = vtkSmartPointer<vtkStructuredPointsReader>::New();
	reader->SetFileName("D:/vtk/data/head.vtk");

	vtkSmartPointer<vtkMarchingCubes> marchingCubes = vtkSmartPointer<vtkMarchingCubes>::New();
	marchingCubes->SetInputConnection(reader->GetOutputPort());

	marchingCubes->SetValue(0,500);

	vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New();
    mapper->SetInputConnection(marchingCubes->GetOutputPort());
	 
	vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New();
	actor->SetMapper(mapper);
	 
	vtkSmartPointer<vtkRenderWindow> renWin = vtkSmartPointer<vtkRenderWindow>::New();
	vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
	vtkSmartPointer<vtkRenderWindowInteractor> interactor = vtkSmartPointer<vtkRenderWindowInteractor>::New();

	renWin->AddRenderer(renderer);
	renderer->SetBackground(1,1,1);
	renderer->AddActor(actor);
	//renWin->Render();

	interactor->SetRenderWindow(renWin);
	interactor->Initialize();
	interactor->Start();

	//
	getchar();
	return EXIT_SUCCESS;



	/**/
}
 

        再看一个稍微复杂的可视化管线。在该示例中,先读入一个后缀为 vtk 的文件(head.vtk)然后用移动立方体法 (vtkMarchingCubes)提取等值面，最后把等值面数据经Mapper 送往渲染引擎进行显示(运行结果如图  )， 

可视化管线总结：

文章来源地址https://uudwc.com/A/59B2Y