MbVoxelCell Class Reference
[Cell]

Defines a voxel cell of a volume mesh. More...

#include <MeshVizXLM/mesh/cell/MbVoxelCell.h>

Inheritance diagram for MbVoxelCell:

List of all members.

Public Member Functions
	MbVoxelCell ()
	MbVoxelCell (size_t n0, size_t n1, size_t n2, size_t n3, size_t n4, size_t n5, size_t n6, size_t n7)
double	getVolume (const MiGeometryI *meshGeometry) const
virtual double	getRelativeSize (const MiGeometryI *meshGeometry) const

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Detailed Description

Defines a voxel cell of a volume mesh.

A voxel cell is a parallelepipede of which faces are orthogonal to X, Y, Z axes. with n0 the closest to the origin. Each facet is a rectangle not necessarily a square. The 4 first indices defines a face of the voxel cell. The 4 last indices defines the opposite face.

Facets and nodes are numbered as following :

                         n3----------n2   facet 0 = 0123
                         /|          /|   facet 1 = 4765
                       /  |        /  |   facet 2 = 0374
                     /    |      /    |   facet 3 = 1562
                   n7---------n6      |   facet 4 = 0451
                    |     |    |      |   facet 5 = 3267
                    |    n0----|-----n1
                    |    /     |     /
                    |  /       |   /
                    |/         | /
                   n4---------n5

   

• The first face is defined by the first 4 nodes of the cell.
• The second face is defined by the first 4 nodes of the cell.
• The other faces are numbered as above.

This numerotation must be respected to have the right result returned by getVolume()

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Constructor & Destructor Documentation

MbVoxelCell::MbVoxelCell

(

)

[inline]

Construct an empty voxel cell.

MbVoxelCell::MbVoxelCell	(	size_t	n0,
		size_t	n1,
		size_t	n2,
		size_t	n3,
		size_t	n4,
		size_t	n5,
		size_t	n6,
		size_t	n7
	)

Construct a voxel cell.

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Member Function Documentation

virtual double MbVoxelCell::getRelativeSize

(

const MiGeometryI *

meshGeometry

)

const [virtual]

Gets the relative size of the cell.

This method is used only by the MoMeshCellShape to display node names if using the relative offset feature and the streamline extraction to adapt the step integration to the size of the cell. getRelativeSize() should return a value depending on the size of the cell even if the default implementation returns 1. For instance, getRelativeSize() can return the length of the longest edge of this cell, or the length of its diagonal.

If getRelativeSize() returns a constant value for any cell, the stream line extraction uses a constant number of step integration anywhere in the mesh. Returning a constant implies that all the cells are supposed to have the same size. getRelativeSize() must not return 0.

Parameters:

[in]

meshGeometry

the geometry of the mesh. Used to retrieve the node coordinates of this cell.

Returns:

1 by default.

Reimplemented from MbHexahedronCell.

double MbVoxelCell::getVolume

(

const MiGeometryI *

meshGeometry

)

const [virtual]

Gets the volume of the cell.

Reimplemented from MbHexahedronCell.

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

• MeshVizXLM/mesh/cell/MbVoxelCell.h