sofa::helper::MarchingCubeUtility Class Reference

#include <MarchingCubeUtility.h>

Collaboration diagram for sofa::helper::MarchingCubeUtility:


Data Structures
struct	GridCell
Public Types
typedef unsigned int	PointID
typedef Vec< 3, int >	Vec3i
Public Member Functions
	MarchingCubeUtility ()
	~MarchingCubeUtility ()
void	setDataResolution (const Vec3i &resolution)
void	setDataVoxelSize (const Vector3 &voxelSize)
void	setStep (const unsigned int step)
void	setConvolutionSize (const unsigned int convolutionSize)
void	run (const unsigned char *data, const float isolevel, sofa::helper::vector< PointID > &triangles, sofa::helper::vector< Vector3 > &vertices) const
	given a set of data (size of the data and size of the marching cube beeing defined previously), we construct the surface.
void	run (const unsigned char *data, const float isolevel, sofa::helper::io::Mesh &m) const
	given a set of data (size of the data and size of the marching cube beeing defined previously), we construct a Sofa mesh.
Private Member Functions
void	vertexInterp (const float isolevel, const Vector3 &p1, const Vector3 &p2, const float valp1, const float valp2, Vector3 &p) const
bool	testGrid (const float v, const float isolevel) const
int	polygonise (const GridCell &grid, const float isolevel, sofa::helper::vector< PointID > &triangles, std::map< Vector3, PointID > &map_vertices, std::map< PointID, Vector3 > &map_indices, unsigned int &ID) const
bool	getVoxel (unsigned int index, const unsigned char *dataVoxels) const
void	createConvolutionKernel (vector< float > &convolutionKernel) const
void	applyConvolution (unsigned int x, unsigned int y, unsigned int z, const float original_data, float data, const vector< float > &convolutionKernel) const
void	smoothData (float *data) const
Private Attributes
unsigned int	cubeStep
unsigned int	convolutionSize
Vec3i	dataResolution
Vector3	dataVoxelSize

Detailed Description

Definition at line 45 of file MarchingCubeUtility.h.

Member Typedef Documentation

typedef unsigned int sofa::helper::MarchingCubeUtility::PointID

Definition at line 48 of file MarchingCubeUtility.h.

typedef Vec<3, int> sofa::helper::MarchingCubeUtility::Vec3i

Definition at line 49 of file MarchingCubeUtility.h.

Constructor & Destructor Documentation

sofa::helper::MarchingCubeUtility::MarchingCubeUtility ( )

Definition at line 339 of file MarchingCubeUtility.cpp.

sofa::helper::MarchingCubeUtility::~MarchingCubeUtility ( ) [inline]

Definition at line 54 of file MarchingCubeUtility.h.

Member Function Documentation

void sofa::helper::MarchingCubeUtility::applyConvolution	(	unsigned int	x,
		unsigned int	y,
		unsigned int	z,
		const float *	original_data,
		float *	data,
		const vector< float > &	convolutionKernel
	)			const `[private]`

Definition at line 604 of file MarchingCubeUtility.cpp.

References convolutionSize, and dataResolution.

Referenced by smoothData().

void sofa::helper::MarchingCubeUtility::createConvolutionKernel ( vector< float > & convolutionKernel ) const [private]

Definition at line 629 of file MarchingCubeUtility.cpp.

References convolutionSize.

Referenced by smoothData().

bool sofa::helper::MarchingCubeUtility::getVoxel	(	unsigned int	index,
		const unsigned char *	dataVoxels
	)			const `[inline, private]`

Definition at line 107 of file MarchingCubeUtility.h.

Referenced by run().

int sofa::helper::MarchingCubeUtility::polygonise	(	const GridCell &	grid,
		const float	isolevel,
		sofa::helper::vector< PointID > &	triangles,
		std::map< Vector3, PointID > &	map_vertices,
		std::map< PointID, Vector3 > &	map_indices,
		unsigned int &	ID
	)			const `[private]`

Definition at line 375 of file MarchingCubeUtility.cpp.

References sofa::helper::MarchingCubeEdgeTable, sofa::helper::MarchingCubeTriTable, sofa::helper::MarchingCubeUtility::GridCell::pos, testGrid(), sofa::helper::MarchingCubeUtility::GridCell::val, and vertexInterp().

Referenced by run().

void sofa::helper::MarchingCubeUtility::run	(	const unsigned char *	data,
		const float	isolevel,
		sofa::helper::io::Mesh &	m
	)			const

given a set of data (size of the data and size of the marching cube beeing defined previously), we construct a Sofa mesh.

Definition at line 552 of file MarchingCubeUtility.cpp.

References sofa::helper::io::Mesh::getFacets(), sofa::helper::io::Mesh::getVertices(), and run().

void sofa::helper::MarchingCubeUtility::run	(	const unsigned char *	data,
		const float	isolevel,
		sofa::helper::vector< PointID > &	triangles,
		sofa::helper::vector< Vector3 > &	vertices
	)			const

given a set of data (size of the data and size of the marching cube beeing defined previously), we construct the surface.

mesh is a vector containing the triangles defined as a sequence of three indices map_indices gives the correspondance between an indice and a 3d position in space

Definition at line 463 of file MarchingCubeUtility.cpp.

References convolutionSize, cubeStep, dataResolution, getVoxel(), sofa::defaulttype::Vec< N, real >::linearProduct(), polygonise(), sofa::helper::MarchingCubeUtility::GridCell::pos, smoothData(), and sofa::helper::MarchingCubeUtility::GridCell::val.

Referenced by sofa::component::topology::SparseGridTopology::constructCollisionModels(), sofa::component::topology::SparseGridTopology::getMesh(), and run().

void sofa::helper::MarchingCubeUtility::setConvolutionSize ( const unsigned int convolutionSize ) [inline]

Definition at line 71 of file MarchingCubeUtility.h.

Referenced by sofa::component::topology::SparseGridTopology::updateMesh().

void sofa::helper::MarchingCubeUtility::setDataResolution ( const Vec3i & resolution ) [inline]

Definition at line 56 of file MarchingCubeUtility.h.

References dataResolution.

Referenced by sofa::component::topology::SparseGridTopology::updateMesh().

void sofa::helper::MarchingCubeUtility::setDataVoxelSize ( const Vector3 & voxelSize ) [inline]

Definition at line 61 of file MarchingCubeUtility.h.

References dataVoxelSize.

Referenced by sofa::component::topology::SparseGridTopology::updateMesh().

void sofa::helper::MarchingCubeUtility::setStep ( const unsigned int step ) [inline]

Definition at line 66 of file MarchingCubeUtility.h.

References cubeStep.

Referenced by sofa::component::topology::SparseGridTopology::updateMesh().

void sofa::helper::MarchingCubeUtility::smoothData ( float * data ) const [private]

Definition at line 580 of file MarchingCubeUtility.cpp.

References applyConvolution(), convolutionSize, createConvolutionKernel(), and dataResolution.

Referenced by run().

bool sofa::helper::MarchingCubeUtility::testGrid	(	const float	v,
		const float	isolevel
	)			const `[inline, private]`

Definition at line 361 of file MarchingCubeUtility.cpp.

Referenced by polygonise().

void sofa::helper::MarchingCubeUtility::vertexInterp	(	const float	isolevel,
		const Vector3 &	p1,
		const Vector3 &	p2,
		const float	valp1,
		const float	valp2,
		Vector3 &	p
	)			const `[inline, private]`