class to triangulate a scalar field, e.g. for More...

#include <isosurface.h>

Inheritance diagram for IsoSurface:

Public Member Functions
	IsoSurface (double iso)
virtual	~IsoSurface ()
virtual void	initializeIsosurface (int setx, int sety, int setz, ntlVec3Gfx extent)
void	resetAll (gfxReal val)
void	triangulate (void)
void	setParticles (ParticleTracer *pnt, float psize)
void	setSubdivs (int s)
int	getSubdivs ()
void	setUseFulledgeArrays (bool set)
void	setStart (ntlVec3Gfx set)
	set geometry start (for renderer)
ntlVec3Gfx	getStart ()
void	setEnd (ntlVec3Gfx set)
	set geometry end (for renderer)
ntlVec3Gfx	getEnd ()
void	setIsolevel (double set)
	set iso level value for surface reconstruction
void	setSmoothSurface (float set)
	set loop subdiv num
void	setSmoothNormals (float set)
float	getSmoothSurface ()
float	getSmoothNormals ()
virtual void	getTriangles (double t, vector< ntlTriangle > triangles, vector< ntlVec3Gfx > vertices, vector< ntlVec3Gfx > *normals, int objectId)
virtual ntlVec3Gfx *	getBBStart ()
	for easy GUI detection get start of axis aligned bounding box, return NULL of no BB
virtual ntlVec3Gfx *	getBBEnd ()
float *	getData ()
	access data array
float *	getData (int ii, int jj, int kk)
float *	lbmGetData (int ii, int jj, int kk)
void	setCutoff (int set)
	set cut off border
void	setCutArray (int *set)
	set cut off border
unsigned int	getIsoVertexCount ()
	OpenGL viz "interface".
unsigned int	getIsoIndexCount ()
char *	getIsoVertexArray ()
unsigned int *	getIsoIndexArray ()
void	setSmoothRad (float radi1, float radi2, ntlVec3Gfx mscc)
void	smoothSurface (float val, bool smoothNorm)
void	smoothNormals (float val)
void	computeNormals ()
Protected Member Functions
ntlVec3Gfx	getNormal (int i, int j, int k)
	compute normal
bool	diffuseVertexField (ntlVec3Gfx *field, int pointerScale, int v, float invsigma2, ntlVec3Gfx &flt)
	smoothing helper function
Protected Attributes
int	mSizex
	size
int	mSizey
int	mSizez
float *	mpData
	data pointer
double	mIsoValue
	Level of the iso surface.
vector< IsoLevelVertex >	mPoints
	Store all the triangles vertices.
bool	mUseFullEdgeArrays
	use full arrays? (not for farfield)
int *	mpEdgeVerticesX
	Store indices of calculated points along the cubie edges.
int *	mpEdgeVerticesY
int *	mpEdgeVerticesZ
int	mEdgeArSize
vector< unsigned int >	mIndices
	vector for all the triangles (stored as 3 indices)
ntlVec3Gfx	mStart
	start and end vectors for the triangulation region to create triangles in
ntlVec3Gfx	mEnd
ntlVec3Gfx	mDomainExtent
	normalized domain extent from parametrizer/visualizer
bool	mInitDone
	initialized?
float	mSmoothSurface
	amount of surface smoothing
float	mSmoothNormals
	amount of normal smoothing
vector< int >	mAcrossEdge
	grid data
vector< vector< int > >	mAdjacentFaces
int	mCutoff
	cutoff border area
int *	mCutArray
	cutoff heigh values
ParticleTracer *	mpIsoParts
	particle pointer
float	mPartSize
	particle size
int	mSubdivs
	no of subdivisions
vector< int >	flags
	trimesh vars
int	mFlagCnt
vector< ntlVec3Gfx >	cornerareas
vector< float >	pointareas
vector< vector< int > >	neighbors
vector< int >	mDboundary
float	mSCrad1
float	mSCrad2
ntlVec3Gfx	mSCcenter

Detailed Description

class to triangulate a scalar field, e.g. for

Definition at line 41 of file isosurface.h.

Constructor & Destructor Documentation

IsoSurface::IsoSurface ( double iso )

Constructor

Definition at line 31 of file isosurface.cpp.

IsoSurface::~IsoSurface ( void ) [virtual]

Destructor

Definition at line 123 of file isosurface.cpp.

References mpData, mpEdgeVerticesX, mpEdgeVerticesY, and mpEdgeVerticesZ.

Member Function Documentation

void IsoSurface::computeNormals ( )

Definition at line 768 of file isosurface.cpp.

References cross(), i, mIndices, mPoints, norm(), normalize(), and normNoSqrt().

Referenced by triangulate().

bool IsoSurface::diffuseVertexField	(	ntlVec3Gfx *	field,
		int	pointerScale,
		int	v,
		float	invsigma2,
		ntlVec3Gfx &	flt
	)		`[protected]`

smoothing helper function

Definition at line 799 of file isosurface.cpp.

References dot(), flags, i, mDboundary, mFlagCnt, mPoints, mSCcenter, mSCrad1, mSCrad2, neighbors, normNoSqrt(), pointareas, size(), and sqrt().

Referenced by smoothNormals(), and smoothSurface().

virtual ntlVec3Gfx* IsoSurface::getBBEnd ( ) [inline, virtual]

Reimplemented from ntlGeometryClass.

Definition at line 162 of file isosurface.h.

References mEnd.

virtual ntlVec3Gfx* IsoSurface::getBBStart ( ) [inline, virtual]

for easy GUI detection get start of axis aligned bounding box, return NULL of no BB

Reimplemented from ntlGeometryClass.

Definition at line 161 of file isosurface.h.

References mStart.

float* IsoSurface::getData ( ) [inline]

access data array

Definition at line 165 of file isosurface.h.

References mpData.

Referenced by getNormal(), LbmFsgrSolver::initializeSolverMemory(), and triangulate().

float* IsoSurface::getData	(	int	ii,
		int	jj,
		int	kk
	)		`[inline]`

Definition at line 166 of file isosurface.h.

References errMsg, ISOLEVEL_INDEX, ISOSTRICT_EXIT, mpData, mSizex, mSizey, and mSizez.

ntlVec3Gfx IsoSurface::getEnd ( ) [inline]

Definition at line 146 of file isosurface.h.

References mEnd.

unsigned int* IsoSurface::getIsoIndexArray ( ) [inline]

Definition at line 208 of file isosurface.h.

References mIndices.

Referenced by LbmSolverInterface::getIsoIndexArray().

unsigned int IsoSurface::getIsoIndexCount ( ) [inline]

Definition at line 202 of file isosurface.h.

References mIndices.

Referenced by LbmSolverInterface::getIsoIndexCount().

char* IsoSurface::getIsoVertexArray ( ) [inline]

Definition at line 205 of file isosurface.h.

References mPoints.

Referenced by LbmSolverInterface::getIsoVertexArray().

unsigned int IsoSurface::getIsoVertexCount ( ) [inline]

OpenGL viz "interface".

Definition at line 199 of file isosurface.h.

References mPoints.

Referenced by LbmSolverInterface::getIsoVertexCount().

ntlVec3Gfx IsoSurface::getNormal	(	int	i,
		int	j,
		int	k
	)		`[inline, protected]`

compute normal

Definition at line 739 of file isosurface.cpp.

References getData().

Referenced by triangulate().

float IsoSurface::getSmoothNormals ( ) [inline]

Definition at line 153 of file isosurface.h.

References mSmoothNormals.

Referenced by LbmFsgrSolver::initializeSolverPostinit().

float IsoSurface::getSmoothSurface ( ) [inline]

Definition at line 152 of file isosurface.h.

References mSmoothSurface.

Referenced by LbmFsgrSolver::initializeSolverPostinit().

ntlVec3Gfx IsoSurface::getStart ( ) [inline]

Definition at line 143 of file isosurface.h.

References mStart.

int IsoSurface::getSubdivs ( ) [inline]

Definition at line 68 of file isosurface.h.

References mSubdivs.

Referenced by LbmFsgrSolver::initializeSolverPostinit().

void IsoSurface::getTriangles	(	double	t,
		vector< ntlTriangle > *	triangles,
		vector< ntlVec3Gfx > *	vertices,
		vector< ntlVec3Gfx > *	normals,
		int	objectId
	)		`[virtual]`