VTK初入门径--第三只小板凳

第三只小板凳(还是特别声明,这个例子其实是根据vtk下的例子改编的,所以大家就不要给我扔鸡蛋了...)
昨天有人问:有没有办法能让一个窗口显示两个独立的东西(即视图)?
你还真问到了,VTK的指南给咱们刚入门的newbie(新兵蛋子)提出了相应的实例,
仔细想想,VTK不愧是集众人之精华,为我们想的面面俱到,
为此在新春到来之际,祝大家新春快乐
啪,啪又是一个臭鸡蛋扔了过来,
"人家老外又不过新春!快快把精彩讲来"

 

书接上回分解,
第二只小板凳问世之来,所众人所捧爱,
第三只小板凳耐不住寂寞,破茧而出...

 

 

#include "vtkFrustumSource.h"#include "vtkDiskSource.h"#include "vtkPlanes.h"//普通的解释就去掉了,详细可以看前两只小板凳的//这里只做重点解释int createDoubleRender(){//创建第一个视图的相关信息vtkConeSource *pCone = vtkConeSource::New();pCone ->SetHeight(10);pCone ->SetRadius(5);pCone ->SetResolution(20);vtkPolyDataMapper *pConeMapper = vtkPolyDataMapper::New();pConeMapper ->SetInput( pCone ->GetOutput() );vtkActor *pConeActor = vtkActor::New();pConeActor ->SetMapper(pConeMapper);//创建第二个视图的相关信息vtkCubeSource *pCube = vtkCubeSource::New();pCube ->SetCenter(0,0,0);pCube ->SetXLength(10);pCube ->SetYLength(20);pCube ->SetZLength(10);vtkPolyDataMapper *pCubeMapper = vtkPolyDataMapper::New();pCubeMapper ->SetInputConnection(pCube ->GetOutputPort());vtkActor *pCubeActor = vtkActor::New();pCubeActor ->GetProperty() ->SetColor(1.000,0.228,0.3111);//相当于给演员打扮pCubeActor ->SetMapper(pCubeMapper);/*注意:这里是重点,我们需要创建两个render(帏幕)并分别给它相应的actor(演员)每个render在renderWindow(舞台)各有一viewport(一席之地),我们可以给render着不同的色彩,设置不同的大小,具体的设计在我们自己的手中*/vtkRenderer *pConeRender = vtkRenderer::New();pConeRender ->AddActor(pConeActor);pConeRender ->SetBackground(0.1,0.2,0.4);pConeRender ->SetViewport(0.0, 0.0, 0.5, 1.0);vtkRenderer *pCubeRender = vtkRenderer::New();pCubeRender ->AddActor(pCubeActor);pCubeRender ->SetBackground(1,1,1);pCubeRender ->SetViewport(0.5, 0.0, 1.0, 1.0);vtkRenderWindow *pRenderWin = vtkRenderWindow::New();pRenderWin ->AddRenderer(pConeRender);pRenderWin ->AddRenderer(pCubeRender);pRenderWin ->SetSize(800,400);for (int i = 0; i < 360; i ++){pRenderWin->Render();//绕"Z"轴旋转一周pConeRender->GetActiveCamera()->Azimuth( 1 );pCubeRender->GetActiveCamera()->Azimuth( 1 );}//注意:释放我们所创建的所有对象,VTK对象的所有实例是通过Delete()方法实现的pCone ->Delete();pCube ->Delete();pConeMapper ->Delete();pCubeMapper ->Delete();pConeActor ->Delete();pCubeActor ->Delete();pConeRender ->Delete();pCubeRender ->Delete();pRenderWin ->Delete();return 0;}