Geogram
Version 1.9.1
A programming library of geometric algorithms
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Functions for accessing the geometry in a mesh. More...
#include <geogram/basic/common.h>
#include <geogram/mesh/mesh.h>
#include <geogram/basic/geometry.h>
#include <geogram/basic/geometry_nd.h>
Go to the source code of this file.
Namespaces | |
GEO | |
Global Vorpaline namespace. | |
GEO::Geom | |
Geometric functions and utilities. | |
Functions | |
const vec3 & | GEO::Geom::mesh_vertex (const Mesh &M, index_t v) |
Gets a mesh vertex by its index. More... | |
const vec3 & | GEO::Geom::mesh_vertex_ref (const Mesh &M, index_t v) |
Gets a mesh vertex by its index. More... | |
vec3 & | GEO::Geom::mesh_vertex_ref (Mesh &M, index_t v) |
Gets a mesh vertex by its index. More... | |
const vec3 & | GEO::Geom::mesh_corner_vertex (const Mesh &M, index_t c) |
Gets a mesh vertex by an incident corner index. More... | |
vec3 & | GEO::Geom::mesh_corner_vertex_ref (Mesh &M, index_t c) |
Gets a mesh vertex by an incident corner index. More... | |
const vec3 & | GEO::Geom::mesh_vertex_normal (const Mesh &M, index_t v) |
Gets a mesh vertex normal by vertex index. More... | |
vec3 & | GEO::Geom::mesh_vertex_normal_ref (Mesh &M, index_t v) |
Gets a mesh vertex normal by vertex index. More... | |
const vec3 & | GEO::Geom::mesh_vertex_normal_ref (const Mesh &M, index_t v) |
Gets a mesh vertex normal by vertex index. More... | |
double | GEO::Geom::mesh_facet_area (const Mesh &M, index_t f, index_t dim=0) |
Computes the area of a facet. More... | |
vec3 | GEO::Geom::mesh_facet_normal (const Mesh &M, index_t f) |
Computes the normal to a mesh facet. More... | |
vec3 | GEO::Geom::mesh_facet_center (const Mesh &M, index_t f) |
Gets the centroid of the vertices of a facet in a mesh. More... | |
vec3 | GEO::Geom::mesh_cell_center (const Mesh &M, index_t c) |
Gets the centroid of the vertices of a cell in a mesh. More... | |
vec3 | GEO::Geom::mesh_tet_center (const Mesh &M, index_t t) |
Gets the centroid of a tetrahedron in a mesh. More... | |
vec3 | GEO::Geom::mesh_corner_vector (const Mesh &M, index_t c1) |
Gets a vector by a mesh corner. More... | |
double | GEO::Geom::mesh_normal_angle (const Mesh &M, index_t c) |
Computes the angle between the normal vectors of two mesh facets sharing an edge. More... | |
double | GEO::Geom::mesh_unsigned_normal_angle (const Mesh &M, index_t f1, index_t f2) |
Computes the angle between the normal vectors of two mesh facets sharing an edge. More... | |
double | GEO::Geom::mesh_area (const Mesh &M, index_t dim) |
Computes the total surface area of a mesh in arbitrary dimension. More... | |
double | GEO::Geom::mesh_area (const Mesh &M) |
Computes the total surface area of a mesh. More... | |
double | GEO::Geom::mesh_enclosed_volume (const Mesh &M) |
Computes the volume enclosed by a surfacic mesh. More... | |
void | GEO::compute_normals (Mesh &M) |
Computes the normals to the vertices, and stores them as additional coordinates. More... | |
void | GEO::simple_Laplacian_smooth (Mesh &M, index_t nb_iter, bool normals_only) |
Smoothes a mesh. More... | |
void | GEO::get_bbox (const Mesh &M, double *xyzmin, double *xyzmax) |
Gets the bounding box of a mesh. More... | |
double | GEO::bbox_diagonal (const Mesh &M) |
Computes the length of the bounding box diagonal of a mesh. More... | |
void | GEO::set_anisotropy (Mesh &M, double s) |
Normalizes and scales the stored vertex normals by a factor. More... | |
void | GEO::unset_anisotropy (Mesh &M) |
Normalizes the stored vertex normals. More... | |
void | GEO::compute_sizing_field (Mesh &M, double gradation=1.0, index_t nb_lfs_samples=0) |
Computes a sizing field using an estimate of lfs (local feature size). More... | |
void | GEO::normalize_embedding_area (Mesh &M) |
Computes vertices weights in such a way that triangle areas are normalized. More... | |
double | GEO::mesh_cell_volume (const Mesh &M, index_t c) |
Computes the volume of a cell in a mesh. More... | |
double | GEO::mesh_cells_volume (const Mesh &M) |
Computes the volume of the cells of a mesh. More... | |
vec3 | GEO::mesh_cell_facet_normal (const Mesh &M, index_t c, index_t lf) |
Computes the normal of a cell facet. More... | |
double | GEO::surface_average_edge_length (const Mesh &M) |
Computes the average edge length in a surface. More... | |
Functions for accessing the geometry in a mesh.
Definition in file mesh_geometry.h.