visad.bom.annotations
Class ScreenAnnotatorJ3D

java.lang.Object
  visad.bom.annotations.ScreenAnnotator
      visad.bom.annotations.ScreenAnnotatorJ3D

public class ScreenAnnotatorJ3D
extends ScreenAnnotator

Take descriptions of geometry primatives in Screen Coordinates and draw them onto a VisAD display directly. The objects should then stay on the same screen position. Enables thing like scale bars, tables, logos, etc to be independent of data manipulation tranformations.

Field Summary

Fields inherited from class visad.bom.annotations.ScreenAnnotator

things

Constructor Summary

ScreenAnnotatorJ3D(DisplayImpl display)
Construct a ScreenAnnotatorJ3D for the given DisplayImpl.

Method Summary

void	draw() Traverses all the data objects and transforms them into Shape3D objects and adds them to a BranchGoup which it then attaches to the scene graph.
void	makeVisible(boolean on) Set the visibility flag.

Methods inherited from class visad.bom.annotations.ScreenAnnotator

add, clear, remove

Methods inherited from class java.lang.Object

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

Constructor Detail

ScreenAnnotatorJ3D

public ScreenAnnotatorJ3D(DisplayImpl display)

Construct a ScreenAnnotatorJ3D for the given DisplayImpl.

Parameters:

display - the VisAD Display for the ScreenAnnotatorJ3D.

Method Detail

makeVisible

public void makeVisible(boolean on)

Set the visibility flag.

Specified by:

makeVisible in class ScreenAnnotator

Parameters:

on - true to display, false to undisplay.

draw

public void draw()
          throws VisADException

Traverses all the data objects and transforms them into Shape3D objects and adds them to a BranchGoup which it then attaches to the scene graph.

Specified by:

draw in class ScreenAnnotator

Throws:

VisADException - if LabelJ3D throws the exception.