On Fri, 14 Jul 2000, Mauro Fabozzi wrote:
> Warning: currently the picking Utilities are not working with GeometryInfo
> structure in which the Geometry Type is indexed (e.g. TRIANGLE_FAN_ARRAY,
> TRIANGLE_STRIP_ARRAY, etc.).
I am using POLYGON_ARRAY. Is it a bug? I did not find something about
that, and it worked fine with the old picking classes from Java3d 1.1.3
I do want to use Geometry Info, it is very handy with the Triangulator
class. Is there another possibility?
Thanks in advance, Desiree
> Try to use others simple structures.
>
> I hope this is useful for you.
>
> By Mauro.
>
> ----- Original Message -----
> From: <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Friday, July 14, 2000 1:59 PM
> Subject: [JAVA3D] Picking Geometry Info Shapes
>
>
> > Hi,
> > I managed to get the Java3D 1.2 Pick funktionaliy to work, but it is still
> > not working with Polygons I create with the help of GeometryInfo-Objects.
> > I get the following capability set exception:
> >
> > javax.media.j3d.CapabilityNotSetException: Shape3D: no capability to allow
> > inter
> > sect
> > at javax.media.j3d.Shape3D.intersect(Shape3D.java:434)
> > at
> > com.sun.j3d.utils.picking.PickTool.pickGeomAllSorted(PickTool.java:67
> > 2)
> > at
> > com.sun.j3d.utils.picking.PickTool.pickGeomClosest(PickTool.java:736)
> >
> > at
> > com.sun.j3d.utils.picking.PickTool.pickClosest(PickTool.java:512)
> > at
> > app.gis3D.PickObjectBehavior.updateScene(PickObjectBehavior.java:115)
> >
> > at
> > com.sun.j3d.utils.picking.behaviors.PickMouseBehavior.processStimulus
> > (PickMouseBehavior.java:153)
> > at
> > javax.media.j3d.BehaviorScheduler.doWork(BehaviorScheduler.java:167)
> > at javax.media.j3d.J3dThread.run(J3dThread.java:256)
> >
> >
> > I tried to set the capabilites with the following:
> >
> > ginfo.setCoordinates(coordsccw);
> > ginfo.setStripCounts(stripCounts);
> >
> > Triangulator tr = new Triangulator();
> > tr.triangulate(ginfo);
> >
> > NormalGenerator ng = new NormalGenerator();
> > ng.generateNormals(ginfo);
> >
> > Stripifier st = new Stripifier();
> > st.stripify(ginfo);
> >
> > // Set Appearance
> > Appearance app = createAppearance();
> > PolygonAttributes polyAppear = new PolygonAttributes();
> > polyAppear.setCullFace(PolygonAttributes.CULL_NONE);
> > app.setPolygonAttributes(polyAppear);
> >
> > -> ginfo.getGeometryArray().setCapability(Geometry.ALLOW_INTERSECT);
> >
> > // Create Shape3D
> > Shape3D shape = new Shape3D();
> > shape.setAppearance(app);
> > shape.setGeometry(ginfo.getGeometryArray());
> > shape.setCapability(Shape3D.ALLOW_APPEARANCE_READ);
> > shape.setCapability(Shape3D.ALLOW_APPEARANCE_WRITE);
> > -> shape.setCapability(Geometry.ALLOW_INTERSECT);
> >
> > sf3d.addChild(shape);
> >
> > But it is not working. So what now?
> > I really appreciate your help, thanks Desiree
> >
> >
> >
> > o------------------------------------------------------------------------o
> > | Desiree Hilbring Institut fuer Photogrammetrie und Fernerkundung |
> > | Universitaet Karlsruhe, Germany |
> > | |
> > | email: [EMAIL PROTECTED] |
> > | # 0721 6083676 |
> > o------------------------------------------------------------------------o
> >
> >
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> > [EMAIL PROTECTED] and include in the body of the message "help".
> >
> >
>
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