MeshCore::MeshGridIterator Class Reference

The MeshGridIterator class provides an interface to walk through all grid elements of a mesh grid. More...

#include <Grid.h>

Classes
struct	GridElement
	Checks if a grid position is already visited by NextOnRay(). More...
Public Member Functions
Base::BoundBox3f	GetBoundBox (void) const
	Returns the bounding box of the current grid element.
unsigned long	GetCtElements () const
	Returns the number of elements in the current grid.
void	GetElements (std::vector< unsigned long > &raulElements) const
	Returns indices of the elements in the current grid.
void	GetGridPos (unsigned long &rulX, unsigned long &rulY, unsigned long &rulZ) const
	Returns the grid number of the current position.
	MeshGridIterator (const MeshGrid &rclG)
	Construction.
Iteration

void	Init (void)
	Sets the iterator to the first element.
bool	More (void) const
	Checks if the iterator has not yet reached the end position.
void	Next (void)
	Go to the next grid.
Tests with rays

bool	InitOnRay (const Base::Vector3f &rclPt, const Base::Vector3f &rclDir, float fMaxSearchArea, std::vector< unsigned long > &raulElements)
	Searches for facets around the ray.
bool	InitOnRay (const Base::Vector3f &rclPt, const Base::Vector3f &rclDir, std::vector< unsigned long > &raulElements)
	Searches for facets around the ray.
bool	NextOnRay (std::vector< unsigned long > &raulElements)
	Searches for facets around the ray.
Protected Attributes
bool	_bValidRay
	Search ray ok?
Base::Vector3f	_clDir
	Direction of search ray.
Base::Vector3f	_clPt
	Base point of search ray.
std::set< GridElement >	_cSearchPositions
float	_fMaxSearchArea
const MeshGrid &	_rclGrid
	The mesh kernel.
unsigned long	_ulX
	Number of grids in x.
unsigned long	_ulY
	Number of grids in y.
unsigned long	_ulZ
	Number of grids in z.

Detailed Description

The MeshGridIterator class provides an interface to walk through all grid elements of a mesh grid.

Definition at line 287 of file Grid.h.

Constructor & Destructor Documentation

MeshGridIterator::MeshGridIterator ( const MeshGrid & rclG )

Construction.

Definition at line 1056 of file Grid.cpp.

Member Function Documentation

Base::BoundBox3f MeshCore::MeshGridIterator::GetBoundBox ( void ) const [inline]

Returns the bounding box of the current grid element.

Definition at line 293 of file Grid.h.

Referenced by MeshCore::MeshAlgorithm::CheckFacets(), MeshCore::MeshAlgorithm::CutWithPlane(), MeshCore::MeshAlgorithm::GetFacetsFromPlane(), MeshCore::MeshAlgorithm::GetFacetsFromToolMesh(), Mesh::MeshPy::nearestFacetOnRay(), MeshCore::MeshPointGrid::Verify(), and MeshCore::MeshFacetGrid::Verify().

unsigned long MeshCore::MeshGridIterator::GetCtElements ( ) const [inline]

Returns the number of elements in the current grid.

Definition at line 301 of file Grid.h.

void MeshCore::MeshGridIterator::GetElements ( std::vector< unsigned long > & raulElements ) const [inline]

Returns indices of the elements in the current grid.

Definition at line 296 of file Grid.h.

Referenced by MeshCore::MeshAlgorithm::CheckFacets(), MeshCore::MeshAlgorithm::CutWithPlane(), MeshCore::MeshEvalSelfIntersection::Evaluate(), MeshCore::MeshAlgorithm::GetFacetsFromPlane(), MeshCore::MeshAlgorithm::GetFacetsFromToolMesh(), MeshCore::MeshEvalSelfIntersection::GetIntersections(), MeshCore::MeshPointGrid::Verify(), and MeshCore::MeshFacetGrid::Verify().

void MeshCore::MeshGridIterator::GetGridPos	(	unsigned long &	rulX,
		unsigned long &	rulY,
		unsigned long &	rulZ
	)			const `[inline]`

Returns the grid number of the current position.

Definition at line 332 of file Grid.h.

Referenced by Mesh::MeshPy::nearestFacetOnRay().

void MeshCore::MeshGridIterator::Init ( void ) [inline]

Sets the iterator to the first element.

Definition at line 308 of file Grid.h.

Referenced by MeshCore::MeshAlgorithm::CheckFacets(), MeshCore::MeshAlgorithm::CutWithPlane(), MeshCore::MeshEvalSelfIntersection::Evaluate(), MeshCore::MeshAlgorithm::GetFacetsFromPlane(), MeshCore::MeshAlgorithm::GetFacetsFromToolMesh(), MeshCore::MeshEvalSelfIntersection::GetIntersections(), Mesh::MeshPy::nearestFacetOnRay(), MeshCore::MeshPointGrid::Verify(), and MeshCore::MeshFacetGrid::Verify().

bool MeshGridIterator::InitOnRay	(	const Base::Vector3f &	rclPt,
		const Base::Vector3f &	rclDir,
		float	fMaxSearchArea,
		std::vector< unsigned long > &	raulElements
	)