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openmesh/src/OpenMesh/Tools/Decimater/ModEdgeLengthT.cc
2019-01-15 11:21:12 +01:00

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C++

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/** \file ModEdgeLengthT.cc
*/
//=============================================================================
//
// CLASS ModEdgeLengthT - IMPLEMENTATION
//
//=============================================================================
#define OPENMESH_DECIMATER_MODEDGELENGTHT_C
//== INCLUDES =================================================================
#include "ModEdgeLengthT.hh"
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace Decimater {
//== IMPLEMENTATION ==========================================================
template<class MeshT>
ModEdgeLengthT<MeshT>::ModEdgeLengthT(MeshT &_mesh, float _edge_length,
bool _is_binary) :
Base(_mesh, _is_binary), mesh_(Base::mesh()) {
set_edge_length(_edge_length);
}
//-----------------------------------------------------------------------------
template<class MeshT>
float ModEdgeLengthT<MeshT>::collapse_priority(const CollapseInfo& _ci) {
typename Mesh::Scalar sqr_length = (_ci.p0 - _ci.p1).sqrnorm();
return ( (sqr_length <= sqr_edge_length_) ? sqr_length : float(Base::ILLEGAL_COLLAPSE));
}
//-----------------------------------------------------------------------------
template<class MeshT>
void ModEdgeLengthT<MeshT>::set_error_tolerance_factor(double _factor) {
if (_factor >= 0.0 && _factor <= 1.0) {
// the smaller the factor, the smaller edge_length_ gets
// thus creating a stricter constraint
// division by error_tolerance_factor_ is for normalization
typename Mesh::Scalar edge_length = edge_length_ * static_cast<typename Mesh::Scalar>(_factor / this->error_tolerance_factor_);
set_edge_length(edge_length);
this->error_tolerance_factor_ = _factor;
}
}
//=============================================================================
}
}
//=============================================================================