[JAVA3D] Extent of clipped objects (ModelClip)

[Desiree Hilbring]

Hi everybody,
I am using ModelClip for clipping a part of my scene by 4 vertical
clipping planes, defined with ModelClip. I am interested in the extent of
the remaining object. How could I calculate that?
Thanks for your help in advance

Desiree

That's how the planes are created:

modelClip = new ModelClip();
                modelClip.setCapability(ModelClip.ALLOW_ENABLE_WRITE);
                boolean enables[] = {false,false,false,false,false,false};

                //System.out.println("n "+siteLayer.getNorthValue());
                //System.out.println("e "+siteLayer.getEastValue());

                // parallel to x (east) before box
                double dist =
siteLayer.getNorthValue()-siteLayer.getWidth();
                Vector4d plane1 = new Vector4d(0.0,0.0,1.0,dist);

                // parallel to z (north) right of box
                dist = siteLayer.getEastValue()+siteLayer.getLength();
                System.out.println(dist);
                Vector4d plane2 = new Vector4d(1.0,0.0,0.0,-dist);

                //parallel to x (east) after box
                dist = siteLayer.getNorthValue()+siteLayer.getWidth();
                Vector4d plane3 = new Vector4d(0.0,0.0,-1.0,-dist);

                // parallel to z (north) left of box
                dist = siteLayer.getEastValue()-siteLayer.getLength();
                Vector4d plane4 = new Vector4d(-1.0,0.0,0.0,dist);

                modelClip.setEnables(enables);
                modelClip.setPlane(1,plane1);
                modelClip.setPlane(2,plane2);
                modelClip.setPlane(3,plane3);
                modelClip.setPlane(4,plane4);
                modelClip.setEnable(1,true);
                modelClip.setEnable(2,true);
                modelClip.setEnable(3,true);
                modelClip.setEnable(4,true);

modelClip.setInfluencingBounds(gis3dView.getMouseBounds());



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Desiree Hilbring

Institut fuer Photogrammetrie und Fernerkundung
Universitaet Karlsruhe, Germany
email: [EMAIL PROTECTED]
# 0721 6083676
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