meshlib.mrmeshpy.IFastWindingNumber Class Reference

Inheritance diagram for meshlib.mrmeshpy.IFastWindingNumber:

Public Member Functions
None	calcFromGrid (self, std_vector_float res, Vector3i dims, AffineXf3f gridToMeshXf, float beta, func_bool_from_float cb='MR::ProgressCallback{}')
None	calcFromGridWithDistances (self, std_vector_float res, Vector3i dims, AffineXf3f gridToMeshXf, float windingNumberThreshold, float beta, float maxDistSq, float minDistSq, func_bool_from_float cb)
None	calcFromVector (self, std_vector_float res, std_vector_Vector3_float points, float beta, FaceId skipFace='MR::FaceId{}')
bool	calcSelfIntersections (self, FaceBitSet res, float beta, func_bool_from_float cb='MR::ProgressCallback{}')

Detailed Description

Generated from:  MR::IFastWindingNumber

Abstract class for fast approximate computation of generalized winding number for a mesh (using its AABB tree)

Member Function Documentation

calcFromGrid()

None meshlib.mrmeshpy.IFastWindingNumber.calcFromGrid	(		self,
		std_vector_float	res,
		Vector3i	dims,
		AffineXf3f	gridToMeshXf,
		float	beta,
		func_bool_from_float	cb = 'MR::ProgressCallback{}' )

<summary>
calculates winding numbers in each point from a three-dimensional grid
</summary>
<param name="res">resulting winding numbers, will be resized automatically</param>
<param name="dims">dimensions of the grid</param>
<param name="gridToMeshXf">transform from integer grid locations to voxel's centers in mesh reference frame</param>
<param name="beta">determines the precision of the approximation: the more the better, recommended value 2 or more</param>

Reimplemented in meshlib.mrcudapy.FastWindingNumber, and meshlib.mrmeshpy.FastWindingNumber.

calcFromGridWithDistances()

None meshlib.mrmeshpy.IFastWindingNumber.calcFromGridWithDistances	(		self,
		std_vector_float	res,
		Vector3i	dims,
		AffineXf3f	gridToMeshXf,
		float	windingNumberThreshold,
		float	beta,
		float	maxDistSq,
		float	minDistSq,
		func_bool_from_float	cb )

<summary>
calculates distances with the sign obtained from winding number in each point from a three-dimensional grid
</summary>
<param name="res">resulting signed distances, will be resized automatically</param>
<param name="dims">dimensions of the grid</param>
<param name="gridToMeshXf">transform from integer grid locations to voxel's centers in mesh reference frame</param>
<param name="windingNumberThreshold">positive distance if winding number below or equal this threshold</param>
<param name="beta">determines the precision of the approximation: the more the better, recommended value 2 or more</param>

Reimplemented in meshlib.mrcudapy.FastWindingNumber, and meshlib.mrmeshpy.FastWindingNumber.

calcFromVector()

None meshlib.mrmeshpy.IFastWindingNumber.calcFromVector	(		self,
		std_vector_float	res,
		std_vector_Vector3_float	points,
		float	beta,
		FaceId	skipFace = 'MR::FaceId{}' )

<summary>
calculates winding numbers in the points from given vector
</summary>
<param name="res">resulting winding numbers, will be resized automatically</param>
<param name="points">incoming points</param>
<param name="beta">determines the precision of the approximation: the more the better, recommended value 2 or more</param>
<param name="skipFace">this triangle (if it is close to `q`) will be skipped from summation</param>

Reimplemented in meshlib.mrcudapy.FastWindingNumber, and meshlib.mrmeshpy.FastWindingNumber.

calcSelfIntersections()

bool meshlib.mrmeshpy.IFastWindingNumber.calcSelfIntersections	(		self,
		FaceBitSet	res,
		float	beta,
		func_bool_from_float	cb = 'MR::ProgressCallback{}' )

<summary>
calculates winding numbers for all centers of mesh's triangles. if winding number is less than 0 or greater then 1, that face is marked as self-intersected
</summary>
<param name="res">resulting bit set</param>
<param name="beta">determines the precision of the approximation: the more the better, recommended value 2 or more</param>
<returns>false if the operation was canceled by the user</returns>

Reimplemented in meshlib.mrcudapy.FastWindingNumber, and meshlib.mrmeshpy.FastWindingNumber.

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

• mrmeshpy.pyi