| Geant4 Cross Reference |
1 // 1
2 // *******************************************
3 // * License and Disclaimer
4 // *
5 // * The Geant4 software is copyright of th
6 // * the Geant4 Collaboration. It is provided
7 // * conditions of the Geant4 Software License
8 // * LICENSE and available at http://cern.ch/
9 // * include a list of copyright holders.
10 // *
11 // * Neither the authors of this software syst
12 // * institutes,nor the agencies providing fin
13 // * work make any representation or warran
14 // * regarding this software system or assum
15 // * use. Please see the license in the file
16 // * for the full disclaimer and the limitatio
17 // *
18 // * This code implementation is the result
19 // * technical work of the GEANT4 collaboratio
20 // * By using, copying, modifying or distri
21 // * any work based on the software) you ag
22 // * use in resulting scientific publicati
23 // * acceptance of all terms of the Geant4 Sof
24 // *******************************************
25
26 #include "G4VtkOffscreenViewer.hh"
27 #include "G4VtkSceneHandler.hh"
28 #include "G4VSceneHandler.hh"
29
30 #include <vtkWindowToImageFilter.h>
31 #include <vtkPNGWriter.h>
32
33 G4VtkOffscreenViewer::G4VtkOffscreenViewer(G4V
34 : G4VtkViewer(sceneHandler, name)
35 {
36 }
37
38 G4VtkOffscreenViewer::~G4VtkOffscreenViewer()
39 {
40 }
41
42 void G4VtkOffscreenViewer::Initialise()
43 {
44 G4VtkViewer::Initialise();
45 _renderWindow->SetOffScreenRendering(1);
46 }
47
48 void G4VtkOffscreenViewer::FinishView()
49 {
50 auto& fVtkSceneHandler = dynamic_cast<G4VtkS
51 fVtkSceneHandler.Modified();
52
53 _renderWindow->Render();
54
55 vtkNew<vtkWindowToImageFilter> windowToImage
56 windowToImageFilter->SetInput(_renderWindow)
57 windowToImageFilter->Update();
58
59 vtkNew<vtkPNGWriter> writer;
60 writer->SetFileName("offscreen.png");
61 writer->SetInputConnection(windowToImageFilt
62 writer->Write();
63 }
64