/usr/include/opencascade/gp_GTrsf.lxx is in libopencascade-foundation-dev 6.5.0.dfsg-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | // 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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