MeshLib::RadiusEdgeRatioMetric Struct Reference

Detailed Description

Calculates the quality of mesh elements based on the ratio between radius of the smallest enclosing sphere and the shortest element edge

Definition at line 26 of file RadiusEdgeRatioMetric.h.

#include <RadiusEdgeRatioMetric.h>

Inheritance diagram for MeshLib::RadiusEdgeRatioMetric:

Collaboration diagram for MeshLib::RadiusEdgeRatioMetric:

Public Member Functions
void	calculateQuality () override
	Calculates the quality metric for each element of the mesh. More...
	ElementQualityMetric (Mesh const &mesh)
Public Member Functions inherited from MeshLib::ElementQualityMetric
	ElementQualityMetric (Mesh const &mesh)
virtual	~ElementQualityMetric ()=default
std::vector< double > const &	getElementQuality () const
	Returns the result vector. More...
virtual BaseLib::Histogram< double >	getHistogram (std::size_t n_bins=0) const

Additional Inherited Members
Protected Attributes inherited from MeshLib::ElementQualityMetric
double	_min = std::numeric_limits<double>::max()
double	_max = 0
Mesh const &	_mesh
std::vector< double >	_element_quality_metric

Member Function Documentation

calculateQuality()

void MeshLib::RadiusEdgeRatioMetric::calculateQuality ( )

overridevirtual

Calculates the quality metric for each element of the mesh.

Implements MeshLib::ElementQualityMetric.

Definition at line 22 of file RadiusEdgeRatioMetric.cpp.

{
    std::vector<MeshLib::Element*> const& elements(_mesh.getElements());
    std::size_t const nElements(_mesh.getNumberOfElements());
    for (std::size_t k(0); k < nElements; k++)
    {
        Element const& elem(*elements[k]);
        std::size_t const n_nodes(elem.getNumberOfBaseNodes());
        std::vector<MathLib::Point3d*> pnts(n_nodes);
        std::copy_n(elem.getNodes(), n_nodes, pnts.begin());
        GeoLib::MinimalBoundingSphere const s(pnts);
        auto const& [min, max] = computeSqrEdgeLengthRange(elem);
        _element_quality_metric[k] = std::sqrt(min) / (2 * s.getRadius());
    }
}

References MeshLib::ElementQualityMetric::_element_quality_metric, MeshLib::ElementQualityMetric::_mesh, MeshLib::computeSqrEdgeLengthRange(), MeshLib::Mesh::getElements(), MeshLib::Element::getNodes(), MeshLib::Element::getNumberOfBaseNodes(), MeshLib::Mesh::getNumberOfElements(), and GeoLib::MinimalBoundingSphere::getRadius().

ElementQualityMetric()

MeshLib::ElementQualityMetric::ElementQualityMetric

explicit

Definition at line 33 of file ElementQualityMetric.cpp.

                                                           : _mesh(mesh)
{
    _element_quality_metric.resize(_mesh.getNumberOfElements(), -1.0);
}

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The documentation for this struct was generated from the following files:

• MeshLib/MeshQuality/RadiusEdgeRatioMetric.h
• MeshLib/MeshQuality/RadiusEdgeRatioMetric.cpp