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// File gp_GTrsf.lxx JCV 14/12/1990
#include <gp_Ax2.hxx>
#include <gp_Ax1.hxx>
#include <Standard_OutOfRange.hxx>
#include <Standard_ConstructionError.hxx>
inline gp_GTrsf::gp_GTrsf ()
{
shape = gp_Identity;
matrix.SetScale (1.0);
loc.SetCoord (0.0, 0.0, 0.0);
scale = 1.0;
}
inline gp_GTrsf::gp_GTrsf (const gp_Trsf& T)
{
shape = T.Form();
matrix = T.matrix;
loc = T.TranslationPart();
scale = T.ScaleFactor();
}
inline gp_GTrsf::gp_GTrsf (const gp_Mat& M,
const gp_XYZ& V) : matrix(M), loc(V)
{
shape = gp_Other;
scale = 0.0;
}
inline void gp_GTrsf::SetAffinity (const gp_Ax1& A1,
const Standard_Real Ratio)
{
shape = gp_Other;
scale = 0.0;
matrix.SetDot (A1.Direction().XYZ());
matrix.Multiply (1.0 - Ratio);
matrix.SetDiagonal (matrix.Value (1,1) + Ratio,
matrix.Value (2,2) + Ratio,
matrix.Value (3,3) + Ratio);
loc = A1.Location().XYZ();
loc.Reverse ();
loc.Multiply (matrix);
loc.Add (A1.Location().XYZ());
}
//=======================================================================
//function : SetAffinity
//history : AGV 2-05-06: Correct the implementation
//=======================================================================
inline void gp_GTrsf::SetAffinity (const gp_Ax2& A2,
const Standard_Real Ratio)
{
shape = gp_Other;
scale = 0.0;
matrix.SetDot (A2.Direction().XYZ());
matrix.Multiply (Ratio - 1.);
loc = A2.Location().XYZ();
loc.Reverse ();
loc.Multiply (matrix);
matrix.SetDiagonal (matrix.Value (1,1) +1.,
matrix.Value (2,2) +1.,
matrix.Value (3,3) +1.);
}
inline void gp_GTrsf::SetValue (const Standard_Integer Row,
const Standard_Integer Col,
const Standard_Real Value)
{
Standard_OutOfRange_Raise_if
(Row < 1 || Row > 3 || Col < 1 || Col > 4, " ");
if (Col == 4) {
loc.SetCoord (Row, Value);
if (shape == gp_Identity) shape = gp_Translation;
return;
}
else {
if (!(shape == gp_Other) && !(scale == 1.0)) matrix.Multiply (scale);
matrix.SetValue (Row, Col, Value);
shape = gp_Other;
scale = 0.0;
return;
}
}
inline void gp_GTrsf::SetVectorialPart (const gp_Mat& Matrix)
{
matrix = Matrix;
shape = gp_Other;
scale = 0.0;
}
inline void gp_GTrsf::SetTrsf (const gp_Trsf& T)
{
shape = T.shape;
matrix = T.matrix;
loc = T.loc;
scale = T.scale;
}
inline Standard_Boolean gp_GTrsf::IsNegative () const
{ return matrix.Determinant() < 0.0; }
inline Standard_Boolean gp_GTrsf::IsSingular () const
{ return matrix.IsSingular(); }
inline gp_TrsfForm gp_GTrsf::Form () const
{ return shape; }
inline const gp_XYZ& gp_GTrsf::TranslationPart () const
{ return loc; }
inline const gp_Mat& gp_GTrsf::VectorialPart () const
{ return matrix; }
inline Standard_Real gp_GTrsf::Value (const Standard_Integer Row,
const Standard_Integer Col) const
{
Standard_OutOfRange_Raise_if
(Row < 1 || Row > 3 || Col < 1 || Col > 4, " ");
if (Col == 4) return loc.Coord (Row);
if (shape == gp_Other) return matrix.Value (Row, Col);
return scale * matrix.Value (Row, Col);
}
inline gp_GTrsf gp_GTrsf::Inverted () const
{
gp_GTrsf T = *this;
T.Invert ();
return T;
}
inline gp_GTrsf gp_GTrsf::Multiplied (const gp_GTrsf& T) const
{
gp_GTrsf Tres = *this;
Tres.Multiply (T);
return Tres;
}
inline gp_GTrsf gp_GTrsf::Powered (const Standard_Integer N) const
{
gp_GTrsf T = *this;
T.Power (N);
return T;
}
inline void gp_GTrsf::Transforms (gp_XYZ& Coord) const
{
Coord.Multiply (matrix);
if (!(shape == gp_Other) && !(scale == 1.0)) Coord.Multiply (scale);
Coord.Add(loc);
}
inline void gp_GTrsf::Transforms (Standard_Real& X,
Standard_Real& Y,
Standard_Real& Z) const
{
gp_XYZ Triplet (X, Y, Z);
Triplet.Multiply (matrix);
if (!(shape == gp_Other) && !(scale == 1.0)) Triplet.Multiply (scale);
Triplet.Add(loc);
Triplet.Coord (X, Y, Z);
}
inline gp_Trsf gp_GTrsf::Trsf () const
{
gp_Trsf T;
Standard_ConstructionError_Raise_if
(Form() == gp_Other,"");
T.shape = shape;
T.scale = scale;
T.matrix = matrix;
T.loc = loc;
return T;
}
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