Import Geant4 0.0.0 source tree

2016-06-01 15:25:35 +02:00
parent 54d6b71f95
commit b97f8d0df7
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+#include "G4CompositeCurve.hh"
+#include "G4Line.hh"
+
+
+G4CompositeCurve::G4CompositeCurve(){}
+G4CompositeCurve::G4CompositeCurve(const G4Point3DVector& vertices)
+{
+  G4CurveVector cv;
+  G4Line* l;
+  for (G4int i=0; i<vertices.length(); i++) 
+  {
+    G4Point3D p1= vertices[i];
+    G4Point3D p2= vertices[(i+1) % vertices.length()];
+    
+    G4Line* l= new G4Line;
+    l->Init(p1, p2-p1);
+    l->SetBounds(p1, p2);
+    cv.insert(l);
+  }
+  
+  Init(cv);
+}
+
+G4CompositeCurve::~G4CompositeCurve(){}
+
+
+G4Curve* G4CompositeCurve::Project(const G4Transform3D& tr)
+{
+  G4CurveVector newSegments;
+  
+  for (G4int i=0; i<segments.entries(); i++) 
+  {
+    G4Curve* c= segments[i]->Project(tr);
+    if (c==0) 
+    {
+      newSegments.clearAndDestroy();
+      return 0;
+    }
+
+    newSegments.insert(c);
+  }
+  
+  G4CompositeCurve* r= new G4CompositeCurve;
+  r->Init(newSegments);
+  return r;
+}
+
+
+void G4CompositeCurve::IntersectRay2D(const G4Ray& ray,
+				      G4CurveRayIntersection& is)
+{
+  is.Reset();
+ 
+  for (G4int i=0; i<segments.entries(); i++) 
+  {
+    G4Curve& c= *(segments(i));
+    G4CurveRayIntersection isTmp(c, ray);
+    c.IntersectRay2D(ray, isTmp);
+    if (isTmp.GetDistance() < is.GetDistance()) 
+      is= isTmp;  
+  }
+  
+  lastIntersection= is;
+}
+
+
+G4bool G4CompositeCurve::Tangent(G4CurvePoint& cp, G4Vector3D& v)
+{
+  if (lastIntersection.GetDistance() == kInfinity) 
+    return false;
+  
+  return lastIntersection.GetCurve().Tangent(lastIntersection, v);
+  // should be true 
+  // cp is ignored for the moment
+}
+
+
+void G4CompositeCurve::InitBounded()
+{
+  const G4BoundingBox3D* b= segments[0]->BBox();
+  bBox.Init(b->GetBoxMin(), b->GetBoxMax());
+  
+  for (G4int i=1; i<segments.entries(); i++) 
+  {
+    b= segments[i]->BBox();
+    bBox.Extend(b->GetBoxMin());
+    bBox.Extend(b->GetBoxMax());
+  }
+  
+  // init for efficient parameter <-> 3D point conversions
+}
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