Strangely enough, I couldn't find it either. But this page has a small
example:
http://java.sun.com/products/java-media/3D/forDevelopers/J3D_1_2_API/j3dguide/AppendixExamples.html
This page contains several other things, so you'll have to search for it.
I hope this helps some.
Paraskevas
--- Firas MOHAMED <[EMAIL PROTECTED]> wrote:
> Thanks for your answer Darren ..
> I tried to find in the docs about pickCanvas but nothing !!
> Think, I don't have the adresses of all the docs and the examples ?
> Thanks again for any help
> Firas
>
> darren cosker wrote:
>
> > Hi
> > You have to initialise a pick canvas object and reference it to the
> canvas3D
> > and the locale (or branch group) in your scene graph.
> > Then use pick result to get pick intersection information
> > from this you can get any information from the screen
> >
> > If i remember this is the code- think it may be a little bit wrong-
> check
> > the j3d docs.
> >
> > PickCanvas pickCanvas = new PickCanvas(canvas3D,locale);
> > pickCanvas.setTolerance(0.5f);
> > pickCanvas.setMode(????) - cant remember exact code- look in j3d docs
> >
> > PickResult[] pickRes = new PickResult(--think pickCanvas goes here
> > PickIntersection pi = pickResult[0]; ??
> >
> > then use pi to get the information you want - again look at the method
> > descriptors for the PickIntersection class.
> > Apologies if this code is a little unclear - i cant remember the exact
> code
> > - i'll post it later on.
> >
> > But with the pi object you can enquire - a point picked on a shape -
> the
> > vertices making up the face of a shape picked - a GeometryArray object
> from
> > a shape - etc
> >
> > Darren
> >
> > >From: Firas MOHAMED <[EMAIL PROTECTED]>
> > >Reply-To: Discussion list for Java 3D API
> <[EMAIL PROTECTED]>
> > >To: [EMAIL PROTECTED]
> > >Subject: [JAVA3D] Getting points from the screen
> > >Date: Wed, 11 Apr 2001 15:08:35 +0200
> > >
> > >Hi All!
> > >I sent this email yesterday, but i did not appear ...!
> > >
> > >I need to know how to get the coordinates of a point where I click
> with
> > >the
> > >mouse
> > >once my 3d shapes are displayed ...?
> > >
> > >Thanks for any help
> > >
> > >Firas
> > >
> >
>
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