VTK例子11-SelectionLoop球的碎片

medimage

SelectionLoop球的碎片

#include "stdafx.h"

#include "vtkDataSetMapper.h"

#include "vtkPolyDataMapper.h"

#include "vtkRenderWindow.h"

#include "vtkRenderWindowInteractor.h"

#include "vtkCamera.h"

#include "vtkActor.h"

#include "vtkRenderer.h"

#include "vtkPolyData.h"

#include "vtkConnectivityFilter.h"

#include "vtkContourFilter.h"

#include "vtkPoints.h"

#include "stdio.h"

#include <time.h>

#include <vtkExtractGeometry.h>

#include <vtkProperty.h>

#include <vtkCellArray.h>

#include <vtkImplicitSelectionLoop.h>

#include <vtkSphereSource.h>

void main()

{

  srand(time(NULL)) ;

//  rand()/RAND_MAX;//    0 - RAND_MAX

  vtkRenderer *ren = vtkRenderer::New();

  vtkRenderWindow *renWindow = vtkRenderWindow::New();

    renWindow->AddRenderer(ren);

  renWindow->SetSize( 600, 600 );

    vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();

    iren->SetRenderWindow(renWindow);

vtkSphereSource *sphere=vtkSphereSource::New();

    sphere-> SetRadius(1);

    sphere-> SetPhiResolution (100);

    sphere ->SetThetaResolution (100);

vtkPoints *selectionPoints=vtkPoints::New();

    selectionPoints-> InsertPoint( 0 ,0.07325 ,0.8417, 0.5612);

    selectionPoints-> InsertPoint(  1, 0.07244, 0.6568, 0.7450);

    selectionPoints ->InsertPoint(  2, 0.1727, 0.4597, 0.8850);

    selectionPoints-> InsertPoint(  3, 0.3265, 0.6054, 0.7309);

    selectionPoints-> InsertPoint(  4, 0.5722, 0.5848, 0.5927);

    selectionPoints-> InsertPoint(  5, 0.4305, 0.8138, 0.4189);

vtkImplicitSelectionLoop *loop=vtkImplicitSelectionLoop::New();

    loop-> SetLoop (selectionPoints);

vtkExtractGeometry *extract=vtkExtractGeometry::New();

    extract-> SetInputConnection (sphere->GetOutputPort());

    extract-> SetImplicitFunction (loop);

vtkConnectivityFilter *connect=vtkConnectivityFilter::New();

    connect-> SetInputConnection (extract-> GetOutputPort());

    connect-> SetExtractionModeToClosestPointRegion();

    connect-> SetClosestPoint(selectionPoints->GetPoint (0));

vtkDataSetMapper *clipMapper=vtkDataSetMapper::New();

    clipMapper-> SetInputConnection(connect-> GetOutputPort());

vtkProperty *backProp=vtkProperty::New();

    backProp->SetDiffuseColor(1,0.7,0);

vtkActor *clipActor=vtkActor::New();

    clipActor-> SetMapper(clipMapper);

    clipActor-> GetProperty()->SetColor(0.0,0.3,0.7);

    clipActor-> SetBackfaceProperty(backProp);

//////////////

ren->AddActor(clipActor);

iren->Initialize();

renWindow->Render();

iren->Start();

}

李工

好文章，值得学习，顶起来

李工

顶！！！！！！！！！

medphysics

好贴，顶起

proton

好贴！！！

mdeimage

谢谢分享

李孟

看看学习一下！

gammaknife

谢谢你的辛苦劳动了！！！