Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/visualization/Vtk/src/G4VtkPolydataPolygonPipeline.cc

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
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  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
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 14 // * regarding  this  software system or assume any liability for its *
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 24 // ********************************************************************
 25 
 26 #include "G4VtkPolydataPolygonPipeline.hh"
 27 
 28 #include "G4VisAttributes.hh"
 29 #include "G4VtkViewer.hh"
 30 #include "G4VtkVisContext.hh"
 31 
 32 #include <vtkActor.h>
 33 #include <vtkPolyDataMapper.h>
 34 #include <vtkProperty.h>
 35 #include <vtkRegularPolygonSource.h>
 36 #include <vtkVertexGlyphFilter.h>
 37 
 38 std::size_t G4VtkPolydataPolygonPipeline::MakeHash(const G4VisAttributes* pVA)
 39 {
 40   return std::hash<G4VisAttributes>{}(*pVA);
 41 }
 42 
 43 G4VtkPolydataPolygonPipeline::G4VtkPolydataPolygonPipeline(G4String nameIn,
 44                                                            const G4VtkVisContext& vcIn,
 45                                                            const G4VisAttributes* pVisAttributes)
 46   : G4VtkPolydataPipeline(nameIn, vcIn)
 47 {
 48   // Set pipeline type
 49   SetTypeName(G4String("G4VtkPolydataSpherePipeline"));
 50 
 51   // Get vis attributes
 52   G4Color colour = pVisAttributes->GetColour();
 53   G4double opacity = colour.GetAlpha();
 54   G4double lineWidth = pVisAttributes->GetLineWidth();
 55 
 56   // Draw in world coordinates.
 57   vtkSmartPointer<vtkRegularPolygonSource> polygonSource =
 58     vtkSmartPointer<vtkRegularPolygonSource>::New();
 59   polygonSource->SetNumberOfSides(4);
 60   polygonSource->SetRadius(vc.fSize);
 61 
 62   // vertex glyph filter
 63   auto glyphFilter = vtkSmartPointer<vtkVertexGlyphFilter>::New();
 64   glyphFilter->SetInputData(polydata);
 65   AddFilter(glyphFilter);
 66 
 67   // Setup actor and mapper
 68   mapper->SetInputConnection(glyphFilter->GetOutputPort());
 69 
 70   GetActor()->GetProperty()->SetLineWidth(lineWidth);
 71   GetActor()->GetProperty()->SetColor(colour.GetRed(), colour.GetGreen(), colour.GetBlue());
 72   GetActor()->GetProperty()->SetOpacity(opacity);
 73   GetActor()->SetVisibility(1);
 74 
 75   GetActor()->GetProperty()->SetRenderPointsAsSpheres(true);
 76   GetActor()->GetProperty()->SetPointSize(vc.fSize * 5);
 77 
 78   vc.fViewer->renderer->AddActor(GetActor());
 79 }
 80