85ace8facd
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4313 626c5289-ae23-0410-ae9c-e8d60b6d4f22
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
#include "vtkQuadric.h"
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#include "vtkSampleFunction.h"
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#include "vtkContourFilter.h"
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#include "vtkOutlineFilter.h"
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#include "vtkPolyDataMapper.h"
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#include "vtkActor.h"
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#include "vtkRenderWindow.h"
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#include "vtkRenderer.h"
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#include "vtkRenderWindowInteractor.h"
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void main ()
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{
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// -- create the quadric function object --
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// create the quadric function definition
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vtkQuadric *quadric = vtkQuadric::New();
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quadric->SetCoefficients(.5,1,.2,0,.1,0,0,.2,0,0);
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// sample the quadric function
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vtkSampleFunction *sample = vtkSampleFunction::New();
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sample->SetSampleDimensions(50,50,50);
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sample->SetImplicitFunction(quadric);
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// Create five surfaces F(x,y,z) = constant between range specified
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vtkContourFilter *contours = vtkContourFilter::New();
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contours->SetInput(sample->GetOutput());
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contours->GenerateValues(5, 0.0, 1.2);
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// map the contours to graphical primitives
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vtkPolyDataMapper *contMapper = vtkPolyDataMapper::New();
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contMapper->SetInput(contours->GetOutput());
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contMapper->SetScalarRange(0.0, 1.2);
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// create an actor for the contours
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vtkActor *contActor = vtkActor::New();
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contActor->SetMapper(contMapper);
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// -- create a box around the function to indicate the sampling volume --
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// create outline
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vtkOutlineFilter *outline = vtkOutlineFilter::New();
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outline->SetInput(sample->GetOutput());
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// map it to graphics primitives
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vtkPolyDataMapper *outlineMapper = vtkPolyDataMapper::New();
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outlineMapper->SetInput(outline->GetOutput());
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// create an actor for it
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vtkActor *outlineActor = vtkActor::New();
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outlineActor->SetMapper(outlineMapper);
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outlineActor->GetProperty()->SetColor(0,0,0);
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// -- render both of the objects --
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// a renderer and render window
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vtkRenderer *ren1 = vtkRenderer::New();
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vtkRenderWindow *renWin = vtkRenderWindow::New();
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renWin->AddRenderer(ren1);
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// an interactor
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vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
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iren->SetRenderWindow(renWin);
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// add the actors to the scene
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ren1->AddActor(contActor);
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ren1->AddActor(outlineActor);
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ren1->SetBackground(1,1,1); // Background color white
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// render an image (lights and cameras are created automatically)
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renWin->Render();
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// begin mouse interaction
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iren->Start();
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}
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