VoxelUtils.h file

Namespaces

namespace esp: Root namespace.
namespace esp::geo

Functions

void generateInteriorExteriorVoxelGrid(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper): Generates an integer grid registered under "InteriorExterior" which stores +inf for exterior cells, -inf for interior cells, and 0 for Boundary cells.
void generateManhattanDistanceSDF(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& gridName): Generates a signed distance field using manhattan distance as a distance metric.
void generateEuclideanDistanceSDF(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& gridName): Generates a signed distance field using euclidean distance as a distance metric. Also created a "ClosestBoundaryCell" vector3 grid which holds the index of the closest Boundary grid.
void generateScalarGradientField(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& scalarGridName, const std::string& gradientGridName): Generates a Vector3 field where each vector of a cell is the gradient of how the scalar field changes.
template<typename T> void generateScalarGradientField(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& scalarGridName, const std::string& gradientGridName): Generates a Vector3 field where each vector of a cell is the gradient of how the scalar field changes.
auto getVoxelSetFromBoolGrid(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& boolGridName) -> std::vector<Mn::Vector3i>: Returns a vector of all filled/true voxels.
auto getVoxelSetFromIntGrid(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& intGridName, int lb, int ub) -> std::vector<Mn::Vector3i>: Fills a vector with voxel indices that meet some criteria.
auto getVoxelSetFromFloatGrid(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& floatGridName, float lb, float ub) -> std::vector<Mn::Vector3i>: Fills a vector with voxel indices that meet some criteria.

Function documentation

void generateInteriorExteriorVoxelGrid(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper)

Generates an integer grid registered under "InteriorExterior" which stores +inf for exterior cells, -inf for interior cells, and 0 for Boundary cells.

Parameters
voxelWrapper	The voxelization for the SDF.

void generateManhattanDistanceSDF(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& gridName)

Generates a signed distance field using manhattan distance as a distance metric.

Parameters
voxelWrapper	The voxelization for the SDF.
gridName	The name underwhich to register the newly created manhattan SDF.

void generateEuclideanDistanceSDF(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& gridName)

Generates a signed distance field using euclidean distance as a distance metric. Also created a "ClosestBoundaryCell" vector3 grid which holds the index of the closest Boundary grid.

Parameters
voxelWrapper	The voxelization for the SDF.
gridName	The name underwhich to register the newly created euclidean SDF.

void generateScalarGradientField(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& scalarGridName, const std::string& gradientGridName)

Generates a Vector3 field where each vector of a cell is the gradient of how the scalar field changes.

Parameters
voxelWrapper	The voxelization for the gradient field.
scalarGridName	The name of the scalar field for which the gradient will be generated.
gradientGridName	The name underwhich to register the newly created scalar gradient field.

template<typename T>
void generateScalarGradientField(std::shared_ptr<esp::geo::VoxelWrapper>& voxelWrapper, const std::string& scalarGridName, const std::string& gradientGridName)