VCG Library: vcg::tri::UpdateQuality< UpdateMeshType > Class Template Reference

VCG Library

Generation of per-vertex and per-face qualities. More...

#include <vcg/complex/algorithms/update/quality.h>

Static Public Member Functions
static void	VertexConstant (MeshType &m, VertexQualityType q)

static void	VertexValence (UpdateMeshType &m)

static void	VertexClamp (MeshType &m, VertexQualityType qmin, VertexQualityType qmax)

static void	VertexNormalize (MeshType &m, VertexQualityType qmin=0.0, VertexQualityType qmax=1.0)

static void	FaceNormalize (MeshType &m, FaceQualityType qmin=0.0, FaceQualityType qmax=1.0)

static void	FaceConstant (MeshType &m, FaceQualityType q)

static void	FaceArea (MeshType &m)

static void	VertexFromShapeIndexCurvatureDir (MeshType &m)
	VertexFromShapeIndexCurvatureDir Compute from the current Curvature Direction the Shape Index S as defined by [Koenderink 1992] and store it in the per-vertex Quality. S = 2/pi atan(k1+k2/k1-k2)

static void	VertexFromCurvednessCurvatureDir (MeshType &m)
	VertexFromCurvednessCurvatureDir Compute from the current Curvature Direction the Curvedness as defined by [Koenderink 1992] and store it in the per-vertex Quality. C = Sqrt((k1k1+k2k2)/2.0)

static void	VertexSaturate (MeshType &m, ScalarType gradientThr=1.0)
	Saturate Vertex Quality Saturate the vertex quality so that for each vertex the gradient of the quality field is lower than the given threshold value (in absolute value) The saturation is done in a conservative way (quality is always decreased and never increased)

Detailed Description

template<class UpdateMeshType>
class vcg::tri::UpdateQuality< UpdateMeshType >

Generation of per-vertex and per-face qualities.

It works according to various strategy, like geodesic distance from the border (UpdateQuality::VertexGeodesicFromBorder) or curvature ecc. This class is templated over the mesh and (like all other Update* classes) has only static members; Typical usage:

MyMeshType m;

UpdateQuality<MyMeshType>::VertexGeodesicFromBorder(m);

Definition at line 44 of file quality.h.

Member Function Documentation

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::FaceArea ( MeshType & m )

inlinestatic

Assign to each face of the mesh its area.

Definition at line 137 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::FaceConstant	(	MeshType &	m,
		FaceQualityType	q
	)

inlinestatic

Assign to each face of the mesh a constant quality value. Useful for initialization.

Definition at line 128 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::FaceNormalize	(	MeshType &	m,
		FaceQualityType	qmin = `0.0`,
		FaceQualityType	qmax = `1.0`
	)

inlinestatic

Normalize the face quality so that it fits in the specified range.

Definition at line 117 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::VertexClamp	(	MeshType &	m,
		VertexQualityType	qmin,
		VertexQualityType	qmax
	)

inlinestatic

Clamp each vertex of the mesh with a range of values.

Definition at line 94 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::VertexConstant	(	MeshType &	m,
		VertexQualityType	q
	)

inlinestatic

Assign to each vertex of the mesh a constant quality value. Useful for initialization.

Definition at line 67 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::VertexFromCurvednessCurvatureDir ( MeshType & m )

inlinestatic

VertexFromCurvednessCurvatureDir Compute from the current Curvature Direction the Curvedness as defined by [Koenderink 1992] and store it in the per-vertex Quality. C = Sqrt((k1*k1+k2*k2)/2.0)

J. Koenderink and A. van Doorn. Surface shape and curvature scales. Image and vision computing, 10(8):557–565, 1992.

Definition at line 334 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::VertexFromShapeIndexCurvatureDir ( MeshType & m )

inlinestatic

VertexFromShapeIndexCurvatureDir Compute from the current Curvature Direction the Shape Index S as defined by [Koenderink 1992] and store it in the per-vertex Quality. S = 2/pi atan(k1+k2/k1-k2)

J. Koenderink and A. van Doorn. Surface shape and curvature scales. Image and vision computing, 10(8):557–565, 1992.

Definition at line 312 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::VertexNormalize	(	MeshType &	m,
		VertexQualityType	qmin = `0.0`,
		VertexQualityType	qmax = `1.0`
	)

inlinestatic

Normalize the vertex quality so that it fits in the specified range.

Definition at line 105 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::VertexSaturate	(	MeshType &	m,
		ScalarType	gradientThr = `1.0`
	)

inlinestatic

Saturate Vertex Quality Saturate the vertex quality so that for each vertex the gradient of the quality field is lower than the given threshold value (in absolute value) The saturation is done in a conservative way (quality is always decreased and never increased)

Note: requires VF adjacency.

Definition at line 474 of file quality.h.

template<class UpdateMeshType >

static void vcg::tri::UpdateQuality< UpdateMeshType >::VertexValence ( UpdateMeshType & m )

inlinestatic

Assign to each vertex of the mesh the valence of faces.

Definition at line 76 of file quality.h.

The documentation for this class was generated from the following file:

quality.h