Triangulation

Collaboration diagram for Triangulation:

Functions
void	CalculateBoundsSltFast (const MbFloatGrid &grid, const MbMatrix3D &matrix, bool perspective, RPArray< MbFloatPoint3D > &points)
	Construct silhouette lines by a triangular mesh. More...
void	CalculateBoundsSlt (const MbGrid &grid, const MbMatrix3D &matrix, bool perspective, SArray< MbFloatPoint3D > &points)
	Construct silhouette lines by a triangular mesh. More...
void	CalculateSections (const MbGrid &grid, const MbMatrix3D &matrix, SArray< MbFloatPoint3D > &points)
	Construct section lines by a triangular mesh. More...
bool	PolygonTubeGrid (const MbPolygon3D &poly, double radius, double sag, MbGrid &grid)
	Construct triangulations in the form of a tube of given radius around the polygon. More...
bool	PolygonToGrid (const MbPolygon &poly, MbGrid &grid)
	Convert two-dimensional polygon to triangulation. More...
void	CalculateGrid (const MbFace &face, const MbStepData &stepData, MbGrid &grid, bool dualSeams=true, bool quad=false, bool fair=false, bool mere=true)
	Approximation of face. More...
bool	StepDataTune (const MbCube &cube, size_t count, MbStepData &stepData)
	Configuring step data for triangulation. More...

Detailed Description

Function Documentation

CalculateBoundsSltFast()

void CalculateBoundsSltFast	(	const MbFloatGrid &	grid,
		const MbMatrix3D &	matrix,
		bool	perspective,
		RPArray< MbFloatPoint3D > &	points
	)

Construct silhouette lines by a triangular mesh.

Get silhouette lines as pairs of pointers to the existed points in the array of triangulation.

Parameters

[in]	grid	- A triangular mesh.
[in]	matrix	- A matrix for setting of view vector.
[in]	perspective	- An attribute of perspective mapping.
[out]	points	- The result - the set of points.

CalculateBoundsSlt()

void CalculateBoundsSlt	(	const MbGrid &	grid,
		const MbMatrix3D &	matrix,
		bool	perspective,
		SArray< MbFloatPoint3D > &	points
	)

Construct silhouette lines by a triangular mesh.

Get silhouette lines as pairs of points.

Parameters

[in]	grid	- A triangular mesh.
[in]	matrix	- A matrix for setting of view vector.
[in]	perspective	- An attribute of perspective mapping.
[out]	points	- The result - the set of points.

CalculateSections()

void CalculateSections	(	const MbGrid &	grid,
		const MbMatrix3D &	matrix,
		SArray< MbFloatPoint3D > &	points
	)

Construct section lines by a triangular mesh.

Get section lines as pairs of points.

Parameters

[in]	grid	- A triangular mesh.
[in]	matrix	- A matrix for setting of section plane.
[out]	points	- The result - the set of points.

PolygonTubeGrid()

bool PolygonTubeGrid	(	const MbPolygon3D &	poly,
		double	radius,
		double	sag,
		MbGrid &	grid
	)

Construct triangulations in the form of a tube of given radius around the polygon.

Construct triangulations in the form of a tube of given radius around the polygon.

Parameters

[in]	poly	- A polygon.
[in]	radius	- Radius of a tube.
[in]	sag	- Maximum deviation of triangulation from a circle (sag).
[out]	grid	- Triangulation - the result.

PolygonToGrid()

bool PolygonToGrid	(	const MbPolygon &	poly,
		MbGrid &	grid
	)

Convert two-dimensional polygon to triangulation.

Convert two-dimensional polygon to triangulation.

Parameters

[in]	poly	- A two-dimensional polygon.
[out]	grid	- Constructed triangulation.

CalculateGrid()

void CalculateGrid	(	const MbFace &	face,
		const MbStepData &	stepData,
		MbGrid &	grid,
		bool	dualSeams = true,
		bool	quad = false,
		bool	fair = false,
		bool	mere = true
	)

Approximation of face.

Approximation of face by array of triangular and quadrangular plates.

Parameters

[in]	face	- A face.
[in]	stepData	- Data for step calculation during triangulation.
[out]	grid	- Triangulations as a result: for visualization arrays 'params', 'points' and 'normals' are filled; for calculation of the mass-inertial properties an array 'params' is filled; for solids collision detection arrays 'params' and 'points' are filled; for splitting into finite elements arrays 'points' and 'normals' are filled.
[in]	dualSeams	- Whether to keep seam edges polygons and their coincident points.
[in]	quad	- Whether to build quadrangles (true) in triangulations of surfaces (if possible).
[in]	fair	- Degenerate triangles removing (if surface has pole).
[in]	mere	- Use a special algorithm for a flat surface.

StepDataTune()

bool StepDataTune	(	const MbCube &	cube,
		size_t	count,
		MbStepData &	stepData
	)

Configuring step data for triangulation.

Checking and Correction step data for triangulation so that the number of points does not exceed a predetermined count on the order of magnitude of.

Parameters

[in]	cube	- A dimensional cube.
[in]	count	- Proposed limit on the number of triangulation points for one face.
[in]	stepData	- Data for step calculation during triangulation.

Returns

True - stepData was change, false - there was no change.