devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

add uniform scale/prescale functions in Tranform

Browse Source
This commit is contained in:
Gael Guennebaud
2008-08-30 23:10:46 +00:00
parent 9c450a52a2
commit 5c8c09e021
3 changed files with 38 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
Eigen/src/Geometry/Transform.h
View File

@@ -188,6 +188,9 @@ public:
template<typename OtherDerived>
inline Transform& prescale(const MatrixBase<OtherDerived> &other);
inline Transform& scale(Scalar s);
inline Transform& prescale(Scalar s);
template<typename OtherDerived>
inline Transform& translate(const MatrixBase<OtherDerived> &other);
@@ -310,6 +313,17 @@ Transform<Scalar,Dim>::scale(const MatrixBase<OtherDerived> &other)
return *this;
}
/** Applies on the right a uniform scale of a factor \a c to \c *this
* and returns a reference to \c *this.
* \sa prescale(Scalar)
*/
template<typename Scalar, int Dim>
inline Transform<Scalar,Dim>& Transform<Scalar,Dim>::scale(Scalar s)
{
linear() *= s;
return *this;
}
/** Applies on the left the non uniform scale transformation represented
* by the vector \a other to \c *this and returns a reference to \c *this.
* \sa scale()
@@ -324,6 +338,17 @@ Transform<Scalar,Dim>::prescale(const MatrixBase<OtherDerived> &other)
return *this;
}
/** Applies on the left a uniform scale of a factor \a c to \c *this
* and returns a reference to \c *this.
* \sa scale(Scalar)
*/
template<typename Scalar, int Dim>
inline Transform<Scalar,Dim>& Transform<Scalar,Dim>::prescale(Scalar s)
{
m_matrix.template corner<Dim,HDim>(TopLeft) *= s;
return *this;
}
/** Applies on the right the translation matrix represented by the vector \a other
* to \c *this and returns a reference to \c *this.
* \sa pretranslate()
@@ -516,6 +541,7 @@ Transform<Scalar,Dim>::extractRotation(TransformTraits traits) const
return linear();
else
ei_assert("invalid traits value in Transform::inverse()");
return LinearMatrixType();
}
/** Convenient method to set \c *this from a position, orientation and scale