#include <G4ArrowModel.hh>
Inheritance diagram for G4ArrowModel:
Public Member Functions | |
| G4ArrowModel (G4double x1, G4double y1, G4double z1, G4double x2, G4double y2, G4double z2, G4double width, const G4Colour &colour, const G4String &description="") | |
| virtual | ~G4ArrowModel () |
| virtual void | DescribeYourselfTo (G4VGraphicsScene &) |
Definition at line 48 of file G4ArrowModel.hh.
| G4ArrowModel::G4ArrowModel | ( | G4double | x1, | |
| G4double | y1, | |||
| G4double | z1, | |||
| G4double | x2, | |||
| G4double | y2, | |||
| G4double | z2, | |||
| G4double | width, | |||
| const G4Colour & | colour, | |||
| const G4String & | description = "" | |||
| ) |
Definition at line 48 of file G4ArrowModel.cc.
References G4Polycone::CreatePolyhedron(), G4Tubs::CreatePolyhedron(), G4VisAttributes::SetColour(), and G4VisAttributes::SetForceSolid().
00052 { 00053 fType = "G4ArrowModel"; 00054 fGlobalTag = fType; 00055 fGlobalDescription = fType + ": " + description; 00056 fExtent = G4VisExtent 00057 (std::min(x1,x2), 00058 std::max(x1,x2), 00059 std::min(y1,y2), 00060 std::max(y1,y2), 00061 std::min(z1,z2), 00062 std::max(z1,z2)); 00063 00064 // Make a cylinder slightly shorter than the arrow length so that it 00065 // doesn't stick out of the head. 00066 const G4double shaftLength = std::sqrt 00067 (std::pow(x2-x1,2)+std::pow(y2-y1,2)+std::pow(z2-z1,2)); 00068 G4double shaftRadius = width/2.; 00069 // Limit the radius 00070 if (shaftRadius > shaftLength/100.) shaftRadius = shaftLength/100.; 00071 const G4double halfShaftLength = shaftLength/2.; 00072 const G4double halfReduction = 4.*shaftRadius; 00073 const G4double halfLength = halfShaftLength-halfReduction; 00074 G4Tubs shaft("shaft",0.,shaftRadius,halfLength,0.,twopi); 00075 fpShaftPolyhedron = shaft.CreatePolyhedron(); 00076 // Move it a little so that the tail is at z = -halfShaftLength. 00077 fpShaftPolyhedron->Transform(G4Translate3D(0,0,-halfReduction)); 00078 00079 // Locate the head at +halfShaftLength. 00080 const G4int numRZ = 3; 00081 G4double r[] = {0,4,0}; 00082 G4double z[] = {0,-6,-4}; 00083 for (G4int i = 0; i < numRZ; i++) { 00084 r[i] *= 2.*shaftRadius; 00085 z[i] = halfShaftLength + z[i] * 2.*shaftRadius; 00086 } 00087 G4Polycone head("head",0,twopi,numRZ,r,z); 00088 fpHeadPolyhedron = head.CreatePolyhedron(); 00089 00090 // Transform to position 00091 const G4Vector3D arrowDirection = G4Vector3D(x2-x1,y2-y1,z2-z1).unit(); 00092 const G4double theta = arrowDirection.theta(); 00093 const G4double phi = arrowDirection.phi(); 00094 const G4Point3D arrowCentre(0.5*(x1+x2),0.5*(y1+y2),0.5*(z1+z2)); 00095 const G4Transform3D tr = 00096 G4Translate3D(arrowCentre) * G4RotateZ3D(phi) * G4RotateY3D(theta); 00097 fpShaftPolyhedron->Transform(tr); 00098 fpHeadPolyhedron->Transform(tr); 00099 00100 G4VisAttributes va; 00101 va.SetColour(colour); 00102 va.SetForceSolid(true); 00103 fpShaftPolyhedron->SetVisAttributes(va); 00104 fpHeadPolyhedron->SetVisAttributes(va); 00105 }
| G4ArrowModel::~G4ArrowModel | ( | ) | [virtual] |
| void G4ArrowModel::DescribeYourselfTo | ( | G4VGraphicsScene & | ) | [virtual] |
Implements G4VModel.
Definition at line 107 of file G4ArrowModel.cc.
References G4VGraphicsScene::AddPrimitive(), G4VGraphicsScene::BeginPrimitives(), and G4VGraphicsScene::EndPrimitives().
00108 { 00109 sceneHandler.BeginPrimitives(); 00110 sceneHandler.AddPrimitive(*fpShaftPolyhedron); 00111 sceneHandler.AddPrimitive(*fpHeadPolyhedron); 00112 sceneHandler.EndPrimitives(); 00113 }
1.4.7