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Decimate only on selected vertices

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This commit is contained in:
Jan Möbius
2020-06-19 12:07:57 +02:00
parent 7c6a075985
commit cc510502f3
6 changed files with 129 additions and 52 deletions
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11
src/OpenMesh/Tools/Decimater/DecimaterT.hh
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@@ -100,26 +100,28 @@ public:
* @brief Perform a number of collapses on the mesh.
* @param _n_collapses Desired number of collapses. If zero (default), attempt
* to do as many collapses as possible.
* @param _only_selected Only consider vertices which are selected for decimation
* @return Number of collapses that were actually performed.
* @note This operation only marks the removed mesh elements for deletion. In
* order to actually remove the decimated elements from the mesh, a
* subsequent call to ArrayKernel::garbage_collection() is required.
*/
size_t decimate( size_t _n_collapses = 0 );
size_t decimate( size_t _n_collapses = 0 , bool _only_selected = false);
/**
* @brief Decimate the mesh to a desired target vertex complexity.
* @param _n_vertices Target complexity, i.e. desired number of remaining
* vertices after decimation.
* @param _only_selected Only consider vertices which are selected for decimation
* @return Number of collapses that were actually performed.
* @note This operation only marks the removed mesh elements for deletion. In
* order to actually remove the decimated elements from the mesh, a
* subsequent call to ArrayKernel::garbage_collection() is required.
*/
size_t decimate_to( size_t _n_vertices )
size_t decimate_to( size_t _n_vertices , bool _only_selected = false)
{
return ( (_n_vertices < this->mesh().n_vertices()) ?
decimate( this->mesh().n_vertices() - _n_vertices ) : 0 );
decimate( this->mesh().n_vertices() - _n_vertices ) : 0 , _only_selected);
}
/**
@@ -127,6 +129,7 @@ public:
* complexity is achieved.
* @param _n_vertices Target vertex complexity.
* @param _n_faces Target face complexity.
* @param _only_selected Only consider vertices which are selected for decimation
* @return Number of collapses that were actually performed.
* @note Decimation stops as soon as either one of the two complexity bounds
* is satisfied.
@@ -134,7 +137,7 @@ public:
* order to actually remove the decimated elements from the mesh, a
* subsequent call to ArrayKernel::garbage_collection() is required.
*/
size_t decimate_to_faces( size_t _n_vertices=0, size_t _n_faces=0 );
size_t decimate_to_faces( size_t _n_vertices=0, size_t _n_faces=0 , bool _only_selected = false);
public: