G4ProjectedSurface Class Reference

#include <G4ProjectedSurface.hh>

Inheritance diagram for G4ProjectedSurface:

Public Member Functions
	G4ProjectedSurface ()
virtual	~G4ProjectedSurface ()
void	CalcBBox ()
G4Vector3D	SurfaceNormal (const G4Point3D &Pt) const
Protected Attributes
G4ControlPoints *	ctl_points
Static Protected Attributes
static G4int	Splits = 0
Friends
class	G4BSplineSurface
void	CopySurface (G4ProjectedSurface &proj)

---

Detailed Description

Definition at line 44 of file G4ProjectedSurface.hh.

---

Constructor & Destructor Documentation

G4ProjectedSurface::G4ProjectedSurface

(

)

Definition at line 40 of file G4ProjectedSurface.cc.

References G4Surface::distance.

  : G4Surface(), ctl_points(0), dir(0), u_knots(0), v_knots(0),
    projected_list(0), bezier_list(0), new_knots(0), ord(0),
    lower(0), upper(0), oslo_m(0)
{
  distance = 0;
  order[0] = order[1] = 0;
}

G4ProjectedSurface::~G4ProjectedSurface

(

)

[virtual]

Definition at line 50 of file G4ProjectedSurface.cc.

References G4Surface::bbox, ctl_points, and G4OsloMatrix::GetNextNode().

{
  delete u_knots;
  delete v_knots;
  delete ctl_points;
  
  G4OsloMatrix* temp_oslo;
  if(oslo_m!=(G4OsloMatrix*)0)
  {
    while(oslo_m->GetNextNode() != oslo_m)
    {
      temp_oslo = oslo_m;
      oslo_m    = oslo_m->GetNextNode();
      
      delete temp_oslo;
    }
    
    delete oslo_m;
  }
  
  delete bbox;
}

---

Member Function Documentation

void G4ProjectedSurface::CalcBBox

(

)

[virtual]

Reimplemented from G4Surface.

Definition at line 100 of file G4ProjectedSurface.cc.

References G4Surface::bbox, ctl_points, G4ControlPoints::Get3D(), G4ControlPoints::GetCols(), and G4ControlPoints::GetRows().

{
  // Finds the bounds of the 2D-projected nurb iow
  // calculates the bounds for a bounding rectangle
  // to the surface. The bounding rectangle is used
  // for a preliminary check of intersection.
  
  // Loop to search the whole control point mesh
  // for the minimum and maximum values for x and y.
  G4double box_minx,box_miny,box_maxx,box_maxy;
  box_minx = kInfinity;
  box_miny = kInfinity;
  box_maxx  = -kInfinity;
  box_maxy  = -kInfinity;
    
  G4double bminx,bminy,bmaxx,bmaxy,tmpx,tmpy;
  bminx = box_minx; bminy = box_miny;
  bmaxx = box_maxx; bmaxy = box_maxy;       

  for(register G4int a = ctl_points->GetRows()-1; a>=0;a--)
    for(register G4int b = ctl_points->GetCols()-1; b>=0;b--)
    {       
/* L. Broglia
      G4Point2d& tmp = (G4Point2d&)ctl_points->get(a,b);
*/
      G4Point3D tmp = ctl_points->Get3D(a,b);

      tmpx = tmp.x(); tmpy = tmp.y();
      if(bminx > tmpx) box_minx=tmpx;
      if(bmaxx < tmpx) box_maxx=tmpx;   
      if(bminy > tmpy) box_miny=tmpy;   
      if(bmaxy < tmpy) box_maxy=tmpy;
    }
    
  G4Point3D box_min(box_minx,box_miny,0.);
  G4Point3D box_max(box_maxx,box_maxy,0.);

  delete bbox;
  bbox = new G4BoundingBox3D(box_min, box_max);
}

G4Vector3D G4ProjectedSurface::SurfaceNormal

(

const G4Point3D &

Pt

)

const [inline, virtual]

Implements G4Surface.

Definition at line 38 of file G4ProjectedSurface.icc.

{
  return G4Vector3D(0,0,0);
}

---

Friends And Related Function Documentation

void CopySurface

(

G4ProjectedSurface &

proj

)

[friend]

friend class G4BSplineSurface [friend]

Definition at line 46 of file G4ProjectedSurface.hh.

---

Field Documentation

G4ControlPoints* G4ProjectedSurface::ctl_points [protected]

Definition at line 110 of file G4ProjectedSurface.hh.

Referenced by CalcBBox(), and ~G4ProjectedSurface().

G4int G4ProjectedSurface::Splits = 0 [static, protected]

Definition at line 109 of file G4ProjectedSurface.hh.

---

The documentation for this class was generated from the following files:

• G4ProjectedSurface.hh
• G4ProjectedSurface.icc
• G4ProjectedSurface.cc

---