Package etomica.math.geometry

Class Parallelepiped

java.lang.Object

etomica.math.geometry.Polytope

etomica.math.geometry.Polyhedron

etomica.math.geometry.Hexahedron

etomica.math.geometry.Parallelepiped

All Implemented Interfaces:

Parallelotope, Shape

public class Parallelepiped
extends Hexahedron
implements Parallelotope

A polyhedron composed of three pairs of rectangular faces placed opposite each other and joined at arbitrary angles.

See Also:

Serialized Form

Field Summary

Fields inherited from class etomica.math.geometry.Polyhedron

edges, faces

Fields inherited from class etomica.math.geometry.Polytope

D, embeddedSpace, hyperPlanes, position, vertices

Constructor Summary

Constructors

Constructor	Description
Parallelepiped(Space embeddedSpace)	Default constructor makes a cube of unit size
Parallelepiped(Space embeddedSpace, Vector a, Vector b, Vector c)	Constructs a parallelepiped with the given edge vectors.

Method Summary

Modifier and Type	Method	Description
boolean	contains(Vector v)	Returns true if the given vector lies inside (or on the surface of) this cell, false otherwise.
double	getPerimeter()	Returns the sum of the length of the edges of the polyhedron
double	getSurfaceArea()	Returns the sum the area of the faces of the polyhedron
double	getVolume()	Calculated parallelepiped volume using (a X b) .
void	setEdgeVectors(Vector[] vectors)	Sets the lengths and directions of all edges of the parellelepiped.
void	updateVertices()	Calculated vertices based on current values of edge vectors.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from class etomica.math.geometry.Polyhedron

distanceTo, getEdges, getFaces

Methods inherited from class etomica.math.geometry.Polytope

applyTranslationRotation, D, getEmbeddedSpace, getPosition, getVertexCount, getVertices, setPosition, toString

Constructor Detail

Parallelepiped

public Parallelepiped(Space embeddedSpace)

Default constructor makes a cube of unit size

Parallelepiped

public Parallelepiped(Space embeddedSpace,
                      Vector a,
                      Vector b,
                      Vector c)

Constructs a parallelepiped with the given edge vectors.

Method Detail

getVolume

public double getVolume()

Calculated parallelepiped volume using (a X b) . c

Specified by:

getVolume in interface Shape

Specified by:

getVolume in class Polytope

getSurfaceArea

public double getSurfaceArea()

Description copied from class: Polyhedron

Returns the sum the area of the faces of the polyhedron

Overrides:

getSurfaceArea in class Polyhedron

getPerimeter

public double getPerimeter()

Description copied from class: Polyhedron

Returns the sum of the length of the edges of the polyhedron

Overrides:

getPerimeter in class Polyhedron

updateVertices

public void updateVertices()

Calculated vertices based on current values of edge vectors.

Specified by:

updateVertices in class Polytope

contains

public boolean contains(Vector v)

Returns true if the given vector lies inside (or on the surface of) this cell, false otherwise.

Specified by:

contains in interface Shape

Specified by:

contains in class Polytope

setEdgeVectors

public void setEdgeVectors(Vector[] vectors)

Sets the lengths and directions of all edges of the parellelepiped. Given instances are copied to an internal representation.

Specified by:

setEdgeVectors in interface Parallelotope