Management, updating and computation of per-vertex and per-face normals. More...
#include <vcg/complex/trimesh/update/normal.h>
Public Types | |
| typedef MeshType::CoordType | CoordType |
| typedef MeshType::FaceIterator | FaceIterator |
| typedef MeshType::FacePointer | FacePointer |
| typedef MeshType::FaceType | FaceType |
| typedef ComputeMeshType | MeshType |
| typedef VertexType::NormalType | NormalType |
| typedef VertexType::ScalarType | ScalarType |
| typedef MeshType::VertexIterator | VertexIterator |
| typedef MeshType::VertexPointer | VertexPointer |
| typedef MeshType::VertexType | VertexType |
Static Public Member Functions | |
| static void | AreaNormalizeFace (ComputeMeshType &m) |
| static void | NormalizeFace (ComputeMeshType &m) |
| Normalize the lenght of the face normals. | |
| static void | NormalizeVertex (ComputeMeshType &m) |
| Normalize the lenght of the face normals. | |
| static void | PerBitQuadFaceNormalized (ComputeMeshType &m) |
| static void | PerFace (ComputeMeshType &m) |
| Calculates the face normal (if stored in the current face type). | |
| static void | PerFaceFromCurrentVertexNormal (ComputeMeshType &m) |
| Calculates the vertex normal. Exploiting or current face normals. | |
| static void | PerFaceMatrix (ComputeMeshType &m, const Matrix44< ScalarType > &mat, bool remove_scaling=true) |
| Multiply the face normals by the matrix passed. By default, the scale component is removed. | |
| static void | PerFaceNormalized (ComputeMeshType &m) |
| static void | PerFaceRW (ComputeMeshType &m, bool normalize=false) |
| static void | PerVertex (ComputeMeshType &m) |
| Calculates the vertex normal. Without exploiting or touching face normals. | |
| static void | PerVertexAngleWeighted (ComputeMeshType &m) |
| Calculates the vertex normal. Without exploiting or touching face normals. | |
| static void | PerVertexFromCurrentFaceNormal (ComputeMeshType &m) |
| Calculates the vertex normal. Exploiting or current face normals. | |
| static void | PerVertexMatrix (ComputeMeshType &m, const Matrix44< ScalarType > &mat, bool remove_scaling=true) |
| Multiply the vertex normals by the matrix passed. By default, the scale component is removed. | |
| static void | PerVertexNormalized (ComputeMeshType &m) |
| Calculates the vertex normal. | |
| static void | PerVertexNormalizedPerFace (ComputeMeshType &m) |
| Calculates both vertex and face normals. | |
| static void | PerVertexNormalizedPerFaceNormalized (ComputeMeshType &m) |
| static void | PerVertexPerFace (ComputeMeshType &m) |
| Calculates both vertex and face normals. | |
| static void | PerVertexWeighted (ComputeMeshType &m) |
| Calculates the vertex normal. Without exploiting or touching face normals. | |
Management, updating and computation of per-vertex and per-face normals.
This class is used to compute or update the normals that can be stored in the vertex or face component of a mesh.
Definition at line 44 of file trimesh/update/normal.h.
| typedef MeshType::CoordType vcg::tri::UpdateNormals< ComputeMeshType >::CoordType |
Definition at line 49 of file trimesh/update/normal.h.
| typedef MeshType::FaceIterator vcg::tri::UpdateNormals< ComputeMeshType >::FaceIterator |
Definition at line 56 of file trimesh/update/normal.h.
| typedef MeshType::FacePointer vcg::tri::UpdateNormals< ComputeMeshType >::FacePointer |
Definition at line 55 of file trimesh/update/normal.h.
| typedef MeshType::FaceType vcg::tri::UpdateNormals< ComputeMeshType >::FaceType |
Definition at line 54 of file trimesh/update/normal.h.
| typedef ComputeMeshType vcg::tri::UpdateNormals< ComputeMeshType >::MeshType |
Definition at line 47 of file trimesh/update/normal.h.
| typedef VertexType::NormalType vcg::tri::UpdateNormals< ComputeMeshType >::NormalType |
Definition at line 50 of file trimesh/update/normal.h.
| typedef VertexType::ScalarType vcg::tri::UpdateNormals< ComputeMeshType >::ScalarType |
Definition at line 51 of file trimesh/update/normal.h.
| typedef MeshType::VertexIterator vcg::tri::UpdateNormals< ComputeMeshType >::VertexIterator |
Definition at line 53 of file trimesh/update/normal.h.
| typedef MeshType::VertexPointer vcg::tri::UpdateNormals< ComputeMeshType >::VertexPointer |
Definition at line 52 of file trimesh/update/normal.h.
| typedef MeshType::VertexType vcg::tri::UpdateNormals< ComputeMeshType >::VertexType |
Definition at line 48 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::AreaNormalizeFace | ( | ComputeMeshType & | m | ) | [inline, static] |
Definition at line 257 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::NormalizeFace | ( | ComputeMeshType & | m | ) | [inline, static] |
Normalize the lenght of the face normals.
Definition at line 250 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::NormalizeVertex | ( | ComputeMeshType & | m | ) | [inline, static] |
Normalize the lenght of the face normals.
Definition at line 241 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerBitQuadFaceNormalized | ( | ComputeMeshType & | m | ) | [inline, static] |
Definition at line 316 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerFace | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates the face normal (if stored in the current face type).
Definition at line 60 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerFaceFromCurrentVertexNormal | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates the vertex normal. Exploiting or current face normals.
The normal of a face f is the average of the normals of the vertices of f.
Definition at line 94 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerFaceMatrix | ( | ComputeMeshType & | m, | |
| const Matrix44< ScalarType > & | mat, | |||
| bool | remove_scaling = true | |||
| ) | [inline, static] |
Multiply the face normals by the matrix passed. By default, the scale component is removed.
Definition at line 364 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerFaceNormalized | ( | ComputeMeshType & | m | ) | [inline, static] |
Definition at line 308 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerFaceRW | ( | ComputeMeshType & | m, | |
| bool | normalize = false | |||
| ) | [inline, static] |
Definition at line 274 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertex | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates the vertex normal. Without exploiting or touching face normals.
The normal of a vertex v is the classical area weigthed average of the normals of the faces incident on v.
Definition at line 179 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexAngleWeighted | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates the vertex normal. Without exploiting or touching face normals.
The normal of a vertex v computed as a weighted sum f the incident face normals. The weight is simlply the angle of the involved wedge. Described in:
G. Thurmer, C. A. Wuthrich "Computing vertex normals from polygonal facets" Journal of Graphics Tools, 1998
Definition at line 119 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexFromCurrentFaceNormal | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates the vertex normal. Exploiting or current face normals.
The normal of a vertex v is the weigthed average of the normals of the faces incident on v.
Definition at line 72 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexMatrix | ( | ComputeMeshType & | m, | |
| const Matrix44< ScalarType > & | mat, | |||
| bool | remove_scaling = true | |||
| ) | [inline, static] |
Multiply the vertex normals by the matrix passed. By default, the scale component is removed.
Definition at line 344 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexNormalized | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates the vertex normal.
Definition at line 334 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexNormalizedPerFace | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates both vertex and face normals.
The normal of a vertex v is the weigthed average of the normals of the faces incident on v.
Definition at line 234 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexNormalizedPerFaceNormalized | ( | ComputeMeshType & | m | ) | [inline, static] |
Definition at line 268 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexPerFace | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates both vertex and face normals.
The normal of a vertex v is the weigthed average of the normals of the faces incident on v.
Definition at line 208 of file trimesh/update/normal.h.
| static void vcg::tri::UpdateNormals< ComputeMeshType >::PerVertexWeighted | ( | ComputeMeshType & | m | ) | [inline, static] |
Calculates the vertex normal. Without exploiting or touching face normals.
The normal of a vertex v is computed according to the formula described by Nelson Max in Max, N., "Weights for Computing Vertex Normals from Facet Normals", Journal of Graphics Tools, 4(2) (1999)
The weight for each wedge is the cross product of the two edge over the product of the square of the two edge lengths. According to the original paper it is perfect only for spherical surface, but it should perform well...
Definition at line 150 of file trimesh/update/normal.h.
