: Class ZRootNode

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edu.umd.cs.jazz.scenegraph
Class ZRootNode

java.lang.Object
  |
  +--edu.umd.cs.jazz.scenegraph.ZNode
        |
        +--edu.umd.cs.jazz.scenegraph.ZRootNode

public class ZRootNode
extends ZNode

ZRootNode exteneds ZNode overiding several methods of ZNode to ensure that ZRootNode is always in the root position of a Scenegraph.

Fields inherited from class edu.umd.cs.jazz.scenegraph.ZNode

alpha,  
alpha_DEFAULT,  
cacheVolatile,  
cameras,  
children,  
compBoundsDirty,  
compBoundsDirty_DEFAULT,  
globalBounds,  
globalBoundsDirty,  
globalBoundsDirty_DEFAULT,  
globalCompBounds,  
hidden,  
hidden_DEFAULT,  
isVolatile,  
maxMag,  
maxMag_DEFAULT,  
minMag,  
minMag_DEFAULT,  
parent,  
properties,  
save,  
save_DEFAULT,  
transform,  
visualComponent

Constructor Summary
`ZRootNode()`

Method Summary
`java.awt.geom.AffineTransform`	`computeGlobalCoordinateFrame()` Overrides ZNode.computeGlobalCoordinateFrame() to end the traversal.
`ZRootNode`	`findRoot()` Overrides ZNode.findRoot() to end the traversal.
`protected void`	`lowerInternal()` Overrides ZNode.lowerInternal() to throw an ZOperationNotAllowedException if an attempt to lower the ZRootNode is made.
`protected void`	`lowerToInternal(ZNode afterNode)` Overrides ZNode.raiseInternal() to throw an ZOperationNotAllowedException if an attempt to lower the ZRootNode is made.
`protected void`	`raiseInternal()` Overrides ZNode.raiseInternal() to throw an ZOperationNotAllowedException if an attempt to raise the ZRootNode is made.
`protected void`	`raiseToInternal(ZNode afterNode)` Overrides ZNode.raiseInternal() to throw an ZOperationNotAllowedException if an attempt to raise the ZRootNode is made.
`protected void`	`setParent(ZNode parent)` Overrides ZNode.setParent() to throw an ZOperationNotAllowedException if an attempt to set the parent of a ZRootNode is made.

Methods inherited from class edu.umd.cs.jazz.scenegraph.ZNode

addChild, 
addProperty, 
addProperty, 
clearVisualComponent, 
clone, 
computeGlobalBounds, 
computeGlobalCompBounds, 
createComposite, 
damage, 
damage, 
findAllCameras, 
findCameras, 
findNode, 
findNodes, 
findVisualComponent, 
getAlpha, 
getCameras, 
getChildren, 
getCompBounds, 
getGlobalBounds, 
getGlobalCompBounds, 
getHidden, 
getMaxMag, 
getMinMag, 
getObjs, 
getParent, 
getProperties, 
getProperty, 
getSave, 
getSelectedChildren, 
getTransform, 
getVisualComponent, 
helpFindAllCameras, 
isAncestor, 
isDescendent, 
isHidden, 
isVolatile, 
lower, 
lower, 
lowerTo, 
paint, 
pick, 
raise, 
raise, 
raiseTo, 
removeChild, 
reparent, 
selectAll, 
setAlpha, 
setHidden, 
setMaxMag, 
setMinMag, 
setSave, 
setState, 
setTransform, 
setVisualComponent, 
setVolatile, 
swap, 
unselectAll, 
updateBounds, 
updateChildBounds, 
updateGlobalBounds, 
updateGlobalCompBounds, 
updateVolatility, 
writeObject, 
writeObjectRecurse, 
writeReplace

Methods inherited from class java.lang.Object

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

Constructor Detail

ZRootNode

public ZRootNode()

Method Detail

findRoot

public ZRootNode findRoot()

Overrides ZNode.findRoot() to end the traversal. Finds the scenegraph root by returning this object.

Returns:: The root node of this scenegraph.
Overrides:: findRoot in class ZNode

setParent

protected void setParent(ZNode parent)
                  throws ZOperationNotAllowedException

Overrides ZNode.setParent() to throw an ZOperationNotAllowedException if an attempt to set the parent of a ZRootNode is made.

Parameters:: parent - parameter is not used.
Overrides:: setParent in class ZNode

raiseInternal

protected void raiseInternal()
                      throws ZOperationNotAllowedException

Overrides ZNode.raiseInternal() to throw an ZOperationNotAllowedException if an attempt to raise the ZRootNode is made.

Overrides:: raiseInternal in class ZNode

raiseToInternal

protected void raiseToInternal(ZNode afterNode)
                        throws ZOperationNotAllowedException