Class representing the connectivity of edges in a triangle mesh, where each edge is associated with the cells (triangles) sharing it. Provides methods to retrieve adjacent cells, vertex coordinates, normals, and other geometric properties.
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#include <openvdb/tools/impl/LevelSetDilatedMeshImpl.h>
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| | TriangleMeshEdgeConnectivity (const std::vector< Vec3T > &coords, const std::vector< Vec3I > &cells) |
| | Constructs the TriangleMeshEdgeConnectivity object with given coordinates and cell data. Populates edge-to-cell adjacency and computes cell normals.
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| bool | getAdjacentCells (const Index &v1, const Index &v2, std::vector< Index > &cellIds) const |
| | Retrieves the IDs of cells adjacent to an edge formed by two vertices.
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| template<typename T> |
| const Vec3T & | getCoord (const T &i) const |
| | Retrieves the 3D coordinate at a given index.
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| template<typename T> |
| const Vec3I & | getCell (const T &i) const |
| | Retrieves the cell (triangle) at a given index.
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| template<typename T> |
| std::vector< Vec3T > | getPrimitive (const T &i) const |
| | Retrieves the 3D coordinates of the vertices forming a primitive (triangle) at a given cell index.
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| template<typename T> |
| Vec3T | getNormal (const T &i) const |
| | Retrieves the unit normal vector of a cell (triangle) at a given index.
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| Index64 | coordCount () const |
| | Retrieves the total number of coordinates in the mesh.
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| Index64 | cellCount () const |
| | Retrieves the total number of cells (triangles) in the mesh.
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template<typename ValueT>
class openvdb::v12_1::tools::lvlset::TriangleMeshEdgeConnectivity< ValueT >
Class representing the connectivity of edges in a triangle mesh, where each edge is associated with the cells (triangles) sharing it. Provides methods to retrieve adjacent cells, vertex coordinates, normals, and other geometric properties.
◆ TriangleMeshEdgeConnectivity()
template<typename ValueT>
Constructs the TriangleMeshEdgeConnectivity object with given coordinates and cell data. Populates edge-to-cell adjacency and computes cell normals.
- Parameters
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| coords | Vector of vertex coordinates. |
| cells | Vector of cell (triangle) indices. |
◆ cellCount()
template<typename ValueT>
Retrieves the total number of cells (triangles) in the mesh.
- Returns
- The number of cells as an Index.
◆ coordCount()
template<typename ValueT>
Retrieves the total number of coordinates in the mesh.
- Returns
- The number of coordinates as an Index.
◆ getAdjacentCells()
template<typename ValueT>
| bool getAdjacentCells |
( |
const Index & | v1, |
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const Index & | v2, |
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std::vector< Index > & | cellIds ) const |
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inline |
Retrieves the IDs of cells adjacent to an edge formed by two vertices.
- Parameters
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| v1 | First vertex index. |
| v2 | Second vertex index. |
| cellIds | Output vector to hold the IDs of adjacent cells. |
- Returns
- True if adjacent cells are found, false otherwise.
◆ getCell()
template<typename ValueT>
template<typename T>
| const Vec3I & getCell |
( |
const T & | i | ) |
const |
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inline |
Retrieves the cell (triangle) at a given index.
- Template Parameters
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| T | Any integral type (int, unsigned int, size_t, etc.) |
- Parameters
-
- Returns
- Constant reference to the triangle's vertex indices.
◆ getCoord()
template<typename ValueT>
template<typename T>
| const Vec3T & getCoord |
( |
const T & | i | ) |
const |
|
inline |
Retrieves the 3D coordinate at a given index.
- Template Parameters
-
| T | Any integral type (int, unsigned int, size_t, etc.) |
- Parameters
-
- Returns
- The 3D coordinate as a constant reference to Vec3T.
◆ getNormal()
template<typename ValueT>
template<typename T>
| Vec3T getNormal |
( |
const T & | i | ) |
const |
|
inline |
Retrieves the unit normal vector of a cell (triangle) at a given index.
- Template Parameters
-
| T | Any integral type (int, unsigned int, size_t, etc.) |
- Parameters
-
- Returns
- The normal vector of the triangle as a Vec3T.
◆ getPrimitive()
template<typename ValueT>
template<typename T>
| std::vector< Vec3T > getPrimitive |
( |
const T & | i | ) |
const |
|
inline |
Retrieves the 3D coordinates of the vertices forming a primitive (triangle) at a given cell index.
- Template Parameters
-
| T | Any integral type (int, unsigned int, size_t, etc.) |
- Parameters
-
| i | Index of the cell (triangle). |
- Returns
- A vector of three Vec3T representing the coordinates of the triangle's vertices.