//$Header: /home/deegree/jail/deegreerepository/deegree/src/org/deegree/ogcwebservices/wpvs/j3d/InteractiveWPVSRenderer.java,v 1.12 2006/11/27 09:07:52 poth Exp $
/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstr. 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.ogcwebservices.wpvs.j3d;
import java.awt.image.BufferedImage;
import java.awt.image.RenderedImage;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.Canvas3D;
import javax.media.j3d.Group;
import javax.media.j3d.ImageComponent;
import javax.media.j3d.ImageComponent2D;
import javax.media.j3d.Light;
import javax.media.j3d.Locale;
import javax.media.j3d.OrderedGroup;
import javax.media.j3d.View;
import javax.media.j3d.VirtualUniverse;
import javax.vecmath.Point3d;
import com.sun.j3d.utils.behaviors.mouse.MouseRotate;
import com.sun.j3d.utils.behaviors.mouse.MouseTranslate;
import com.sun.j3d.utils.behaviors.mouse.MouseZoom;
/**
* This class sill/shoud provide the ability to render a scence object (s.
* com.sun.j3d.loaders.Scene) or a Canvas3D. It's currently used for testing.
* @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
* @version $Revision: 1.12 $ $Date: 2006/11/27 09:07:52 $
*/
public class InteractiveWPVSRenderer extends Abstract3DRenderingEngine {
private int width = 800;
private int height = 600;
private Canvas3D offScreenCanvas3D;
private View view;
private boolean newSize;
/**
* initialzies the render class with a default width and height (800x600)
*/
public InteractiveWPVSRenderer(WPVSScene scene)
{
this( scene, 801, 601 );
}
/**
* initialzies the render class with the submitted width and height
*/
public InteractiveWPVSRenderer(WPVSScene scene, int width, int height)
{
super( scene );
this.width = width;
this.height = height;
view = new View();
}
public void setScene(WPVSScene scene) {
this.scene = scene;
}
/**Create the VirtualUniverse for the application.*/
protected VirtualUniverse createVirtualUniverse() {
return new VirtualUniverse();
}
/**
* Simple utility method that creates a Locale for the
* VirtualUniverse
*/
protected Locale createLocale( VirtualUniverse u ) {
return new Locale( u );
}
/**
* returns the width of the offscreen rendering target
*/
public int getWidth() {
return width;
}
public void setWidth( int width ) {
newSize = true;
this.width = width;
}
/**
* returns the height of the offscreen rendering target
*/
public int getHeight() {
return height;
}
public void setHeight( int height ) {
newSize = true;
this.height = height;
}
/** renders the scene to an <tt>BufferedImage</tt>
* @return a <tt>BufferedImage</tt> where the scene has been rendered to
*/
public Object renderScene() {
if ( newSize ) {
view.removeCanvas3D( offScreenCanvas3D );
offScreenCanvas3D = createOffscreenCanvas3D();
newSize = false;
}
view.addCanvas3D( offScreenCanvas3D );
view.startView();
// The viewGroup contains nodes necessary for rendering, viewing, etc
// View, ViewPlatform, Canvas3D, PhysBody, PhysEnviron, and Lights
BranchGroup viewGroup = new BranchGroup();
// The sceneGroup conatins obejcts of the scene graph
BranchGroup sceneGroup = new BranchGroup();
setView( view, viewGroup );
// createMouseBehaviours( viewGroup );
OrderedGroup terrainGroup = new OrderedGroup();
addBackground( scene.getViewPoint(), terrainGroup, scene.getBackground() );
// add the lights to the view
Light[] lights = scene.getLights();
for (int i = 0; i < lights.length; i++) {
viewGroup.addChild( lights[i] );
}
/*
// add the terrain to the view
Shape3D terrain[] = scene.getTerrain();
for (int i = terrain.length-1; i >= 0; i--) {
terrainGroup.addChild( terrain[i] );
}
sceneGroup.addChild( terrainGroup );
// add the features to the view
Group[] features = scene.getFeatures();
for (int i = 0; i < features.length; i++) {
sceneGroup.addChild( features[i] );
}
*/
sceneGroup.compile();
viewGroup.compile();
VirtualUniverse universe = createVirtualUniverse();
Locale locale = createLocale( universe );
locale.addBranchGraph(sceneGroup);
locale.addBranchGraph(viewGroup);
BranchGroup mainGroup = new BranchGroup();
// mainGroup.addChild( sceneGroup );
// mainGroup.addChild( viewGroup );
// mainGroup.addChild( bg[0] );
return offScreenCanvas3D;
}
/**
* creates and returns a canvas for offscreen rendering
*/
protected Canvas3D createOffscreenCanvas3D()
{
Canvas3D offScreenCanvas3D = createCanvas( false );
// offScreenCanvas3D.getScreen3D().setSize( width, height );
offScreenCanvas3D.getScreen3D().setPhysicalScreenHeight( 0.0254/90 * height );
offScreenCanvas3D.getScreen3D().setPhysicalScreenWidth( 0.0254/90 * width );
BufferedImage renderedImage =
new BufferedImage( width, height, BufferedImage.TYPE_3BYTE_BGR );
ImageComponent2D imageComponent =
new ImageComponent2D( ImageComponent.FORMAT_RGB8, renderedImage );
imageComponent.setCapability( ImageComponent.ALLOW_IMAGE_READ );
// offScreenCanvas3D.setOffScreenBuffer( imageComponent );
return offScreenCanvas3D;
}
private void createMouseBehaviours( Group scene ){
Point3d origin = new Point3d(-2584400.880145242, 528.7904086212667, 5615449.9824785);
BoundingSphere bounds = new BoundingSphere(origin, 250000);
// TransformGroup viewTrans = vp.getViewPlatformTransform();
// Create the rotate behavior node
MouseRotate behavior1 = new MouseRotate(offScreenCanvas3D);
scene.addChild(behavior1);
behavior1.setSchedulingBounds(bounds);
// Create the zoom behavior node
MouseZoom behavior2 = new MouseZoom(offScreenCanvas3D);
scene.addChild(behavior2);
behavior2.setSchedulingBounds(bounds);
// Create the translate behavior node
MouseTranslate behavior3 = new MouseTranslate(offScreenCanvas3D);
scene.addChild(behavior3);
behavior3.setSchedulingBounds(bounds);
}
/**
* Called to render the scene into the offscreen Canvas3D
*/
protected RenderedImage getImage(Canvas3D offScreenCanvas3D)
{
offScreenCanvas3D.renderOffScreenBuffer();
offScreenCanvas3D.waitForOffScreenRendering();
ImageComponent2D imageComponent = offScreenCanvas3D.getOffScreenBuffer();
return imageComponent.getImage();
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: InteractiveWPVSRenderer.java,v $
Revision 1.12 2006/11/27 09:07:52 poth
JNI integration of proj4 has been removed. The CRS functionality now will be done by native deegree code.
Revision 1.11 2006/11/23 11:46:40 bezema
The initial version of the new wpvs
Revision 1.10 2006/07/05 15:59:13 poth
comments corrected
Revision 1.9 2006/06/20 07:45:59 taddei
removed println
Revision 1.8 2006/04/06 20:25:28 poth
*** empty log message ***
Revision 1.7 2006/03/30 21:20:28 poth
*** empty log message ***
Revision 1.6 2006/02/24 11:42:41 taddei
refactoring (background)
Revision 1.5 2006/02/21 14:02:39 taddei
better positioning of background
Revision 1.4 2006/02/09 15:47:24 taddei
bug fixes, refactoring and javadoc
Revision 1.3 2006/01/26 14:26:57 taddei
changed background code to match latest changes in superclass
Revision 1.2 2006/01/16 20:36:39 poth
*** empty log message ***
Revision 1.1 2005/12/23 11:56:44 taddei
first checkin of interactive renderer (used for testing)
Revision 1.1 2005/12/21 13:50:03 taddei
first check in of old but good WTS classes
********************************************************************** */