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- Fix for Smoother set_relative error (Thanks to Leonardo Cecchinato for the fix)

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- Improved SmootherT.hh Documentation



git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1261 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2015-05-07 06:15:24 +00:00
parent beae0ffce3
commit 021b7a4320
2 changed files with 55 additions and 12 deletions
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4
src/OpenMesh/Tools/Smoother/SmootherT.cc
View File

@@ -264,12 +264,12 @@ set_relative_local_error(Scalar _err)
for (++v_it; v_it!=v_end; ++v_it)
{
bb_min.minimize(mesh_.point(v_it));
bb_max.minimize(mesh_.point(v_it));
bb_max.maximize(mesh_.point(v_it));
}
// abs. error = rel. error * bounding-diagonal
set_absolute_error(_err * (bb_max-bb_min).norm());
set_absolute_local_error(_err * (bb_max-bb_min).norm());
}
}

63
src/OpenMesh/Tools/Smoother/SmootherT.hh
View File

@@ -113,38 +113,81 @@ public:
public:
//===========================================================================
/** @name Initialization and algorithm execution
* @{ */
//===========================================================================
/** Initialize smoother
* \param _comp Determine component to smooth
* \param _cont Determine Continuity
*/
void initialize(Component _comp, Continuity _cont);
/// Do _n smoothing iterations
virtual void smooth(unsigned int _n);
//@{
/// Set local error
/** @} */
//===========================================================================
/** @name Error control functions
* @{ */
//===========================================================================
/** \brief Set local error relative to bounding box
*
* This function sets a maximal error tolerance for the smoother as a fraction
* of the bounding box of the mesh. First the bounding box diagonal is computed.
* Then the error is set as the length of the diagonal multiplied with the
* given factor.
*
* @param _err Factor scaling the bounding box diagonal
*/
void set_relative_local_error(Scalar _err);
/** \brief Set local error as an absolute value
*
* Set the maximal error tolerance of the smoother to the given value.
*
* @param _err Maximal error
*/
void set_absolute_local_error(Scalar _err);
/** \brief Disable error control of the smoother
*
* This function disables the error control of the smoother.
*/
void disable_local_error_check();
//@}
/** \brief enable or disable feature handling
*
* This function can be used to control if features on the mesh should be preserved.
* If enabled, the smoother will keep features and does not modify them. Features
* can be set via OpenMesh status flags (request status and set primitives as features).
* Feature flag can be set for vertices edges and faces.
*
* @param _state true : If features are selected on the mesh, they will be left unmodified\n
* false : Features will be ignored
*/
void skip_features( bool _state ){ skip_features_ = _state; };
/// Do _n smoothing iterations
virtual void smooth(unsigned int _n);
/// Find active vertices. Resets tagged status !
void set_active_vertices();
/** @} */
private:
/** \brief Find active vertices. Resets tagged status !
*
* This function recomputes the set of active vertices, which will be touched by the smoother.
* If nothing on the mesh is selected, all vertices which are not locked, feature or boundary will be
* marked as active and moved by the smoother.
* If vertices are selected, than only the selected ones, excluding the locked, feature and boundary vertices will be
* moved.
*
* The function is called first when running the smoother.
*/
void set_active_vertices();
// single steps of smoothing
void compute_new_positions();
void project_to_tangent_plane();