MarchingCubes Class Reference

Marching Cubes is a well-known algorithm for generating a polygonal approximation to an isosurface defined over a scalar field. This class is a fairly standard implementation of Marching Cubes in 3D that generates triangular meshes as output. More...

#include <MarchingCubes.h>

Inheritance diagram for MarchingCubes:

List of all members.

Public Member Functions
Constructors
	MarchingCubes ()
	MarchingCubes (const Vector3 &resolution)
virtual	~MarchingCubes ()
Core functionality
virtual Mesh *	polygonize (const ScalarField &field, real_t threshold)
	Generates a triangular mesh approximating a specific isocontour defined over the given ScalarField at the threshold value specified.
Accessors / Mutators
const Vector3 &	getResolution () const
void	setResolution (const Vector3 &resolution)
	sets the resolution of the grid used for marching squares
Protected Member Functions
Vertex	_calculateIntersection (const MCData &data, unsigned edge) const
unsigned	_getVertexID (const MCData &data, unsigned edge) const
unsigned	_getVertexID (const MCData &data) const
unsigned	_getVertexID (unsigned i, unsigned j, unsigned k, unsigned width, unsigned height) const
Vertex	_interpolate (const Vertex &v1, const Vertex &v2, real_t coeff1, real_t coeff2, real_t threshold) const
void	_addVertex (const Vertex &vertex, unsigned id, MCData &data) const
void	_cleanup (MCData &data) const
Protected Attributes
Vector3	m_resolution

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Detailed Description

Marching Cubes is a well-known algorithm for generating a polygonal approximation to an isosurface defined over a scalar field. This class is a fairly standard implementation of Marching Cubes in 3D that generates triangular meshes as output.

Author:

Travis Fischer (fisch0920@gmail.com)

Matthew Jacobs (jacobs.mh@gmail.com)

Date:

Spring 2008

References: http://www.ia.hiof.no/~borres/cgraph/explain/marching/p-march.html

Definition at line 26 of file MarchingCubes.h.

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Constructor & Destructor Documentation

MarchingCubes::MarchingCubes

(

)

[inline]

Definition at line 31 of file MarchingCubes.h.

MarchingCubes::MarchingCubes

(

const Vector3 &

resolution

)

[inline]

Definition at line 35 of file MarchingCubes.h.

virtual MarchingCubes::~MarchingCubes

(

)

[inline, virtual]

Definition at line 39 of file MarchingCubes.h.

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Member Function Documentation

Mesh * MarchingCubes::polygonize	(	const ScalarField &	field,
		real_t	threshold
	)			[virtual]

Generates a triangular mesh approximating a specific isocontour defined over the given ScalarField at the threshold value specified.

Note:

the generated mesh is not guaranteed to be closed

Returns:

the generated Mesh or NULL upon error

Definition at line 57 of file MarchingCubes.cpp.

const Vector3& MarchingCubes::getResolution

(

)

const [inline]

Returns:

the resolution of the grid used for marching squares

Definition at line 67 of file MarchingCubes.h.

void MarchingCubes::setResolution

(

const Vector3 &

resolution

)

[inline]

sets the resolution of the grid used for marching squares

Definition at line 75 of file MarchingCubes.h.

Vertex MarchingCubes::_calculateIntersection	(	const MCData &	data,
		unsigned	edge
	)			const [protected]

Definition at line 236 of file MarchingCubes.cpp.

unsigned MarchingCubes::_getVertexID	(	const MCData &	data,
		unsigned	edge
	)			const [inline, protected]

Definition at line 318 of file MarchingCubes.cpp.

unsigned MarchingCubes::_getVertexID

(

const MCData &

data

)

const [inline, protected]

Definition at line 353 of file MarchingCubes.cpp.

unsigned MarchingCubes::_getVertexID	(	unsigned	i,
		unsigned	j,
		unsigned	k,
		unsigned	width,
		unsigned	height
	)			const [inline, protected]

Definition at line 357 of file MarchingCubes.cpp.

Vertex MarchingCubes::_interpolate	(	const Vertex &	v1,
		const Vertex &	v2,
		real_t	coeff1,
		real_t	coeff2,
		real_t	threshold
	)			const [inline, protected]

Definition at line 363 of file MarchingCubes.cpp.

void MarchingCubes::_addVertex	(	const Vertex &	vertex,
		unsigned	id,
		MCData &	data
	)			const [protected]

Definition at line 373 of file MarchingCubes.cpp.

void MarchingCubes::_cleanup

(

MCData &

data

)

const [protected]

Definition at line 382 of file MarchingCubes.cpp.

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Member Data Documentation

Vector3 MarchingCubes::m_resolution [protected]

Definition at line 99 of file MarchingCubes.h.

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

• MarchingCubes.h
• MarchingCubes.cpp