莫比乌斯环-vtkTriangleStrip

 #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 "vtkPolyDataMapper.h"
 #include "vtkWin32OpenGLRenderWindow.h"
 #include "vtkRenderWindow.h"
 #include "vtkRenderWindowInteractor.h"
 #include "vtkRenderer.h"
 #include "vtkPoints.h"
 #include "vtkWin32RenderWindowInteractor.h"
 #include "vtkProperty.h"
 #include "vtkFloatArray.h"
 #include "vtkPolyData.h"
 #include "vtkDataSetMapper.h"
 #include "vtkActor2D.h"
 #include "vtkPointData.h"
 #include "vtkPolyVertex.h"
 #include <vtkInteractorStyleTrackballCamera.h>
 #include <vtkCellArray.h>
 #include "vtkDelaunay2D.h"
 #include "vtkMath.h"
 #include <vtkTransformFilter.h>
 #include <vtkCamera.h>
 #include <vtkTriangleStrip.h>

 void myShow(vtkPolyData* anInput)
 {
     vtkSmartPointer<vtkPolyDataMapper> aMapper=vtkSmartPointer<vtkPolyDataMapper>::New();
     aMapper->SetInputData(anInput);
     aMapper->ScalarVisibilityOn();

     vtkSmartPointer<vtkActor> anActor=vtkSmartPointer<vtkActor>::New();
     anActor->SetMapper(aMapper);
     anActor->GetProperty()->SetRepresentationToSurface();
     anActor->GetProperty()->SetPointSize();
     anActor->GetProperty()->SetColor(,,);
     anActor->GetProperty()->SetOpacity(0.4);

     vtkSmartPointer<vtkRenderer> ren1=vtkSmartPointer<vtkRenderer>::New();
     vtkSmartPointer<vtkRenderWindow> renWin=vtkSmartPointer<vtkRenderWindow>::New();

     ren1->AddActor(anActor);

     ren1->SetBackground(0.5,0.5,0.5);
     ren1->SetBackground2(,,);
     renWin->AddRenderer(ren1);
     renWin->SetSize(,);

     vtkSmartPointer<vtkRenderWindowInteractor> iren=vtkSmartPointer<vtkRenderWindowInteractor>::New();
     vtkSmartPointer<vtkInteractorStyleTrackballCamera> style=vtkSmartPointer<vtkInteractorStyleTrackballCamera>::New();
     iren->SetRenderWindow(renWin);
     iren->SetInteractorStyle(style);

     ren1->ResetCamera();
     renWin->Render();
     iren->Start();
 }

 int main()
 {
     //创建几何点数据
     double vArr[]={-0.5,0.5};
     double theta=vtkMath::Pi()*;
     int thetaResolution=;
     double dTheta=theta/thetaResolution;
     double *uArr=new double[thetaResolution];
     vtkSmartPointer<vtkPoints> points=vtkSmartPointer<vtkPoints>::New();
     for(int i=;i<thetaResolution+;i++)
     {
         uArr[i]=i*dTheta;
         double u=uArr[i];
         for(int j=;j<;j++)
         {
             double v=vArr[j];
             double pt[]={(+v/*cos(u/))*cos(u),(+v/*cos(u/))*sin(u),v/*sin(u/)};
             points->InsertNextPoint(pt);

         }
     }
     //创建拓扑结构
     vtkSmartPointer<vtkTriangleStrip> mobiusStrip=vtkSmartPointer<vtkTriangleStrip>::New();
     mobiusStrip->GetPointIds()->SetNumberOfIds((thetaResolution+)*);
     for(int i=;i<(thetaResolution+)*;i++)
         mobiusStrip->GetPointIds()->SetId(i,i);
     //将拓扑结构组合进Cell
     vtkSmartPointer<vtkCellArray> mobiusCell=vtkSmartPointer<vtkCellArray>::New();
     mobiusCell->InsertNextCell(mobiusStrip);
     //将几何点与Cell结构组合成一个PolyData。
     vtkSmartPointer<vtkPolyData> mobiusPolydata=vtkSmartPointer<vtkPolyData>::New();
     mobiusPolydata->SetPoints(points);
     mobiusPolydata->SetStrips(mobiusCell);

     myShow(mobiusPolydata);
     return ;
 }