showStructure
Class UnitCell

java.lang.Object
  javax.media.j3d.SceneGraphObject
      javax.media.j3d.Node
          javax.media.j3d.Group
              javax.media.j3d.BranchGroup
                  showStructure.UnitCell

Direct Known Subclasses:

HexagonalCell

public class UnitCell
extends javax.media.j3d.BranchGroup

Field Summary

protected float	alpha
protected javax.vecmath.Color3f	ambientColor
protected float	beta
protected float	cellA
protected float	cellB
protected float	cellC
protected javax.vecmath.Point3f[]	cellPts
protected javax.media.j3d.TransformGroup	cellTG
protected int	cellType
protected javax.vecmath.Color3f	emissiveColor
protected javax.vecmath.Color3f	faceDiffuseColor
protected javax.media.j3d.RenderingAttributes	faceRA
protected float	gamma
protected javax.media.j3d.RenderingAttributes	lineRA
protected float	shininess
protected javax.vecmath.Color3f	specularColor

Fields inherited from class javax.media.j3d.BranchGroup

ALLOW_DETACH

Fields inherited from class javax.media.j3d.Group

ALLOW_CHILDREN_EXTEND, ALLOW_CHILDREN_READ, ALLOW_CHILDREN_WRITE, ALLOW_COLLISION_BOUNDS_READ, ALLOW_COLLISION_BOUNDS_WRITE

Fields inherited from class javax.media.j3d.Node

ALLOW_AUTO_COMPUTE_BOUNDS_READ, ALLOW_AUTO_COMPUTE_BOUNDS_WRITE, ALLOW_BOUNDS_READ, ALLOW_BOUNDS_WRITE, ALLOW_COLLIDABLE_READ, ALLOW_COLLIDABLE_WRITE, ALLOW_LOCAL_TO_VWORLD_READ, ALLOW_LOCALE_READ, ALLOW_PARENT_READ, ALLOW_PICKABLE_READ, ALLOW_PICKABLE_WRITE, ENABLE_COLLISION_REPORTING, ENABLE_PICK_REPORTING

Constructor Summary

UnitCell()
Default constructor creates a simple cubic cell with dimension 1.0

UnitCell(int t, float d)
Creates a cubic cell of arbitrary dimension

UnitCell(int t, float a, float b, float c)
Creates a cubic cell of arbitrary dimension

Method Summary

float	getAlpha()
float	getBeta()
float	getCellA()
float	getCellB()
float	getCellC()
protected javax.vecmath.Point3f[]	getCellPts()
int	getCellType() Cell Types: 1 cubic (simple cubic) 2 body-centered cubic (bcc) 3 face-centered cubic (fcc)
float	getGamma()
javax.vecmath.Vector3f	getPointTranslation(int idx) Returns the virtual world translation of the specified point.
void	mulRotation(float x, float y, float z, float a) Multiplies the existing transform by the new rotation
void	mulTranslation(float x, float y, float z) Multiplies the existing transform by the new translation
protected void	setCellAngles(float a, float b, float c)
protected void	setCellSize(float a, float b, float c)
protected void	setCellType(int t)
void	setFacesVisible(boolean s) Sets the visibility of the unit cell faces
void	setLinesVisible(boolean s) Sets the visibility of the unit cell lines
void	setRotation(float x, float y, float z, float a) Sets the UnitCell rotation
void	setTranslation(float x, float y, float z) Sets the UnitCell translation.

Methods inherited from class javax.media.j3d.BranchGroup

cloneNode, compile, detach, pickAll, pickAll, pickAllSorted, pickAllSorted, pickAny, pickAny, pickClosest, pickClosest

Methods inherited from class javax.media.j3d.Group

addChild, getAllChildren, getAlternateCollisionTarget, getChild, getCollisionBounds, indexOfChild, insertChild, moveTo, numChildren, removeAllChildren, removeChild, removeChild, setAlternateCollisionTarget, setChild, setCollisionBounds

Methods inherited from class javax.media.j3d.Node

cloneTree, cloneTree, cloneTree, cloneTree, cloneTree, cloneTree, duplicateNode, getBounds, getBoundsAutoCompute, getCollidable, getLocale, getLocalToVworld, getLocalToVworld, getParent, getPickable, setBounds, setBoundsAutoCompute, setCollidable, setPickable

Methods inherited from class javax.media.j3d.SceneGraphObject

clearCapability, clearCapabilityIsFrequent, duplicateSceneGraphObject, getCapability, getCapabilityIsFrequent, getName, getUserData, isCompiled, isLive, setCapability, setCapabilityIsFrequent, setName, setUserData, toString, updateNodeReferences

Methods inherited from class java.lang.Object

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

Field Detail

cellTG

protected javax.media.j3d.TransformGroup cellTG

cellType

protected int cellType

cellA

protected float cellA

cellB

protected float cellB

cellC

protected float cellC

alpha

protected float alpha

beta

protected float beta

gamma

protected float gamma

cellPts

protected javax.vecmath.Point3f[] cellPts

lineRA

protected javax.media.j3d.RenderingAttributes lineRA

faceRA

protected javax.media.j3d.RenderingAttributes faceRA

ambientColor

protected javax.vecmath.Color3f ambientColor

faceDiffuseColor

protected javax.vecmath.Color3f faceDiffuseColor

emissiveColor

protected javax.vecmath.Color3f emissiveColor

specularColor

protected javax.vecmath.Color3f specularColor

shininess

protected float shininess

Constructor Detail

UnitCell

public UnitCell()

Default constructor creates a simple cubic cell with dimension 1.0

UnitCell

public UnitCell(int t,
                float d)

Creates a cubic cell of arbitrary dimension

Parameters:

t - cell type (1 = sc, 2 = bcc, 3 = fcc)

d - cell dimension

UnitCell

public UnitCell(int t,
                float a,
                float b,
                float c)

Creates a cubic cell of arbitrary dimension

Parameters:

t - cell type (1 = sc, 2 = bcc, 3 = fcc)

a - cell a dimension

b - cell b dimension

c - cell c dimension

Method Detail

getCellType

public int getCellType()

Cell Types: 1 cubic (simple cubic) 2 body-centered cubic (bcc) 3 face-centered cubic (fcc)

Returns:

cell type

getCellA

public float getCellA()

getCellB

public float getCellB()

getCellC

public float getCellC()

getAlpha

public float getAlpha()

getBeta

public float getBeta()

getGamma

public float getGamma()

getPointTranslation

public javax.vecmath.Vector3f getPointTranslation(int idx)

Returns the virtual world translation of the specified point.

Parameters:

idx - index of point

setFacesVisible

public void setFacesVisible(boolean s)

Sets the visibility of the unit cell faces

Parameters:

s - visibility state

setLinesVisible

public void setLinesVisible(boolean s)

Sets the visibility of the unit cell lines

Parameters:

s - visibility state

setTranslation

public void setTranslation(float x,
                           float y,
                           float z)

Sets the UnitCell translation.

Parameters:

x -

y -

z -

setRotation

public void setRotation(float x,
                        float y,
                        float z,
                        float a)

Sets the UnitCell rotation

Parameters:

x - x component of axis of rotation

y - y component of axis of rotation

z - z component of axis of rotation

a - angle of rotation

mulRotation

public void mulRotation(float x,
                        float y,
                        float z,
                        float a)

Multiplies the existing transform by the new rotation

mulTranslation

public void mulTranslation(float x,
                           float y,
                           float z)

Multiplies the existing transform by the new translation

setCellType

protected void setCellType(int t)

setCellSize

protected void setCellSize(float a,
                           float b,
                           float c)

setCellAngles

protected void setCellAngles(float a,
                             float b,
                             float c)

getCellPts

protected javax.vecmath.Point3f[] getCellPts()