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PHG4BlockDisplayAction.cc
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2 
4 #include <g4main/PHG4Utils.h>
5 
6 #include <phparameter/PHParameters.h>
7 
8 #include <Geant4/G4Colour.hh> // for G4Colour
9 #include <Geant4/G4LogicalVolume.hh>
10 #include <Geant4/G4VisAttributes.hh>
11 
12 #include <cmath> // for isfinite
13 
15  : PHG4DisplayAction(name)
16  , m_Params(pars)
17  , m_MyVolume(nullptr)
18  , m_VisAtt(nullptr)
19  , m_Colour(nullptr)
20 {
21 }
22 
24 {
25  delete m_VisAtt;
26  delete m_Colour;
27 }
28 
30 {
31  // check if vis attributes exist, if so someone else has set them and we do nothing
32  if (m_MyVolume->GetVisAttributes())
33  {
34  return;
35  }
36  m_VisAtt = new G4VisAttributes();
37  if (m_Params->get_int_param("blackhole"))
38  {
39  PHG4Utils::SetColour(m_VisAtt, "BlackHole");
40  m_VisAtt->SetVisibility(false);
41  m_VisAtt->SetForceSolid(false);
42  }
43  else
44  {
46  m_VisAtt->SetVisibility(true);
47  m_VisAtt->SetForceSolid(true);
48  }
49  if (m_Colour)
50  {
51  m_VisAtt->SetColour(m_Colour->GetRed(),
52  m_Colour->GetGreen(),
53  m_Colour->GetBlue(),
54  m_Colour->GetAlpha());
55  m_VisAtt->SetVisibility(true);
56  m_VisAtt->SetForceSolid(true);
57  }
58  m_MyVolume->SetVisAttributes(m_VisAtt);
59  return;
60 }
61 
62 void PHG4BlockDisplayAction::SetColor(const double red, const double green, const double blue, const double alpha)
63 {
64  if (std::isfinite(red) && std::isfinite(green) && std::isfinite(blue) && std::isfinite(alpha))
65  {
66  m_Colour = new G4Colour(red, green, blue, alpha);
67  }
68  return;
69 }