---

IsoContour Class Reference

Class implementing triangulated isocontour extraction routines. More...

#include <Isocontour.h>

List of all members.

Public Methods
	IsoContour ()
	constructor. More...
int	compute (const VolumetricData *, float isovalue, int step)
	calculate isocontour for a given isovalue and step size. More...
void	clear ()
	free up memory. More...
int	DoCell (int x, int y, int z, float isovalue, int step)
int	Polygonise (const SQUARECELL grid, const float isolevel, LINE *lines)
void	VertexInterp (float isolevel, const SQUARECELL grid, int ind1, int ind2, XY *vert)
Public Attributes
int	numtriangles
	number of triangles in the facet list. More...
ResizeArray< float >	v
	vertices. More...
ResizeArray< int >	f
	facets. More...
const VolumetricData *	vol
	volume data pointer. More...
float	xax [3]
float	yax [3]
float	zax [3]
	axes/size of volume. More...

---

Detailed Description

Class implementing triangulated isocontour extraction routines.

Definition at line 34 of file Isocontour.h.

---

Constructor & Destructor Documentation

IsoContour::IsoContour (    )

constructor. Definition at line 20 of file Isocontour.C.

---

Member Function Documentation

void IsoContour::clear (    )

free up memory. Definition at line 22 of file Isocontour.C. References ResizeArray< int >::clear, ResizeArray< float >::clear, f, numtriangles, and v.

int IsoContour::compute (  const VolumetricData *   , float    isovalue, int    step )

calculate isocontour for a given isovalue and step size. Definition at line 29 of file Isocontour.C. References data, DoCell, isovalue, vol, xax, VolumetricData::xaxis, VolumetricData::xsize, yax, VolumetricData::yaxis, VolumetricData::ysize, z, zax, VolumetricData::zaxis, and VolumetricData::zsize.

int IsoContour::DoCell (  int    x, int    y, int    z, float    isovalue, int    step )

Definition at line 60 of file Isocontour.C. References ResizeArray< float >::append3, ResizeArray< int >::append3, SQUARECELL::cubeindex, VolumetricData::data, f, isovalue, numtriangles, VolumetricData::origin, LINE::p, SQUARECELL::p, Polygonise, v, SQUARECELL::val, vol, XY::x, xax, VolumetricData::xsize, XY::y, yax, VolumetricData::ysize, z, and zax. Referenced by compute.

int IsoContour::Polygonise (  const SQUARECELL    grid, const float    isolevel, LINE *    lines )

Definition at line 158 of file Isocontour.C. References SQUARECELL::cubeindex, LINE::p, and VertexInterp. Referenced by DoCell.

void IsoContour::VertexInterp (  float    isolevel, const SQUARECELL    grid, int    ind1, int    ind2, XY *    vert )

Definition at line 208 of file Isocontour.C. References SQUARECELL::p, SQUARECELL::val, XY::x, and XY::y. Referenced by Polygonise.

---

Member Data Documentation

ResizeArray<int> IsoContour::f

facets. Definition at line 38 of file Isocontour.h. Referenced by clear, and DoCell.

int IsoContour::numtriangles

number of triangles in the facet list. Definition at line 36 of file Isocontour.h. Referenced by clear, and DoCell.

ResizeArray<float> IsoContour::v

vertices. Definition at line 37 of file Isocontour.h. Referenced by clear, and DoCell.

const VolumetricData* IsoContour::vol

volume data pointer. Definition at line 39 of file Isocontour.h. Referenced by compute, and DoCell.

float IsoContour::xax[3]

Definition at line 40 of file Isocontour.h. Referenced by compute, and DoCell.

float IsoContour::yax[3]

Definition at line 40 of file Isocontour.h. Referenced by compute, and DoCell.

float IsoContour::zax[3]

axes/size of volume. Definition at line 40 of file Isocontour.h. Referenced by compute, and DoCell.

---

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

• Isocontour.h
• Isocontour.C

---