-
-
Save pangyuteng/2ca84afcfab1d40f4c30654ef5a1669d to your computer and use it in GitHub Desktop.
Test offscreen rendering with VTK 6
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#! /bin/bash | |
set -e | |
g++ -o test_offscreen.o -c test_offscreen.cpp -I$PYTHONHPC/include/vtk-6.0 | |
g++ -o test_offscreen test_offscreen.o $PYTHONHPC/lib/libvtk*.so | |
LD_LIBRARY_PATH=$PYTHONHPC/lib/ ./test_offscreen |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// These 2 lines are needed due to: | |
// http://www.vtk.org/Wiki/VTK/VTK_6_Migration/Factories_now_require_defines | |
#define vtkRenderingCore_AUTOINIT 4(vtkInteractionStyle,vtkRenderingFreeType,vtkRenderingFreeTypeOpenGL,vtkRenderingOpenGL) | |
#define vtkRenderingVolume_AUTOINIT 1(vtkRenderingVolumeOpenGL) | |
#include <vtkPolyDataMapper.h> | |
#include <vtkActor.h> | |
#include <vtkRenderWindow.h> | |
#include <vtkRenderer.h> | |
#include <vtkPolyData.h> | |
#include <vtkSmartPointer.h> | |
#include <vtkSphereSource.h> | |
#include <vtkWindowToImageFilter.h> | |
#include <vtkPNGWriter.h> | |
#include <vtkGraphicsFactory.h> | |
int main () | |
{ | |
//sphere 1 | |
vtkSmartPointer<vtkSphereSource> sphereSource = vtkSmartPointer<vtkSphereSource>::New(); | |
vtkSmartPointer<vtkPolyDataMapper> mapper = vtkSmartPointer<vtkPolyDataMapper>::New(); | |
mapper->SetInputConnection(sphereSource->GetOutputPort()); | |
vtkSmartPointer<vtkActor> actor = vtkSmartPointer<vtkActor>::New(); | |
actor->SetMapper(mapper); | |
// a renderer and render window | |
vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New(); | |
vtkSmartPointer<vtkRenderWindow> renderWindow = vtkSmartPointer<vtkRenderWindow>::New(); | |
renderWindow->SetOffScreenRendering(1); | |
renderWindow->AddRenderer(renderer); | |
// add the actors to the scene | |
renderer->AddActor(actor); | |
renderer->SetBackground(1, 1, 1); // Background color white | |
renderWindow->Render(); | |
vtkSmartPointer<vtkWindowToImageFilter> windowToImageFilter = | |
vtkSmartPointer<vtkWindowToImageFilter>::New(); | |
windowToImageFilter->SetInput(renderWindow); | |
windowToImageFilter->Update(); | |
vtkSmartPointer<vtkPNGWriter> writer = vtkSmartPointer<vtkPNGWriter>::New(); | |
writer->SetFileName("sphere.png"); | |
writer->SetInputConnection(windowToImageFilter->GetOutputPort()); | |
writer->Write(); | |
return 0; | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#! ./local/bin/python | |
from vtk import (vtkSphereSource, vtkPolyDataMapper, vtkActor, vtkRenderer, | |
vtkRenderWindow, vtkWindowToImageFilter, vtkPNGWriter) | |
sphereSource = vtkSphereSource() | |
mapper = vtkPolyDataMapper() | |
mapper.SetInputConnection(sphereSource.GetOutputPort()) | |
actor = vtkActor() | |
actor.SetMapper(mapper) | |
renderer = vtkRenderer() | |
renderWindow = vtkRenderWindow() | |
renderWindow.SetOffScreenRendering(1) | |
renderWindow.AddRenderer(renderer) | |
renderer.AddActor(actor) | |
renderer.SetBackground(1, 1, 1) | |
renderWindow.Render() | |
windowToImageFilter = vtkWindowToImageFilter() | |
windowToImageFilter.SetInput(renderWindow) | |
windowToImageFilter.Update() | |
writer = vtkPNGWriter() | |
writer.SetFileName("sphere.png") | |
writer.SetInputConnection(windowToImageFilter.GetOutputPort()) | |
writer.Write() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment