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geant4/source/geometry/solids/BREPS/include/G4BezierSurface.icc
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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
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// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
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// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
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// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
// $Id: G4BezierSurface.icc,v 1.4 2006/06/29 18:38:22 gunter Exp $
// GEANT4 tag $Name: geant4-09-01 $
//
// --------------------------------------------------------------------
// GEANT 4 inline definitions file
//
// G4BezierSurface.icc
//
// Implementation of inline methods of G4BezierSurface
// --------------------------------------------------------------------
inline
G4Point3D G4BezierSurface::AveragePoint() const
{
return average_pt;
}
inline
void G4BezierSurface::SetAveragePoint(G4Point3D p)
{
average_pt=p;
}
inline
G4double G4BezierSurface::UAverage() const
{
return average_u;
}
inline
G4double G4BezierSurface::VAverage() const
{
return average_v;
}
inline
void G4BezierSurface::Dir(G4int d)
{
dir=d;
}
inline
void G4BezierSurface::ChangeDir()
{
dir=!dir;
}
inline
G4double G4BezierSurface::SMin() const
{
return smin;
}
inline
G4double G4BezierSurface::SMax() const
{
return smax;
}
inline
G4int G4BezierSurface::GetOrder(G4int direction) const
{
return order[direction];
}
inline
void G4BezierSurface::PutOrder(G4int direction, G4int value)
{
order[direction]=value;
}
inline
G4double G4BezierSurface::GetU() const
{
return (u_min + u_max)/2.0;
}
inline
G4double G4BezierSurface::GetV() const
{
return (v_min + v_max)/2.0;
}
inline
void G4BezierSurface::LocalizeClipValues()
{
if ( dir == ROW)
{
smin = (1.0 - smin) * u_knots->GetKnot(0) +
smin * u_knots->GetKnot(u_knots->GetSize() - 1);
smax = (1.0 - smax) * u_knots->GetKnot(0) +
smax * u_knots->GetKnot(u_knots->GetSize() - 1);
}
else
{
smin = (1.0 - smin) * v_knots->GetKnot(0) +
smin * v_knots->GetKnot(v_knots->GetSize() - 1);
smax = (1.0 - smax) * v_knots->GetKnot(0) +
smax * v_knots->GetKnot(v_knots->GetSize() - 1);
}
}
inline
G4double G4BezierSurface::Findzero(G4double x0, G4double x1,
G4double y0, G4double y1) const
{
return(x0 - y0 * ( x1 - x0) / (y1-y0));
}
inline
G4int G4BezierSurface::Sign(G4double a) const
{
return ((a < 0.0)? -1 : 1);
}
inline
G4int G4BezierSurface::Amax(G4int i, G4int j) const
{
return( (i) > (j) ? (i) : (j) );
}
inline
G4int G4BezierSurface::Amin(G4int i, G4int j) const
{
return( (i) < (j) ? (i) : (j) );
}
inline
G4int G4BezierSurface::AhIndex(G4int j, G4int t, G4int iorder) const
{
return(( (j) * ((j)+1)/2) + (t) - ((iorder-1) - (j)));
}