Hello!
That's not the problem. Andreas, try to run the
program and then see the result. I ran the program by
changing it but still getUserData returns null.
Please can anybody help me.
Thanks
--- Andreas Kemkes <[EMAIL PROTECTED]> wrote:
> By using count++ twice, you access a different
> element than you
> stored your value in.
>
> Andreas
>
> Ashish Aggarwal wrote:
> >
> > hello!
> >
> > Can somebody help me:
> >
> > I have a box and cylinder in the screen. I want to
> > draw a line between them by clicking with mouse. I
> > have stored the centre of bounds of two objects
> > using setUserData() method. I am also able to
> pick
> > the objects on the screen using pick methods.
> >
> > The only problem that is coming is that
> getUserData is
> > returning null, which I don't know why. I might be
> > making some silly mistake but i don't have any
> idea
> > about it. I am working on this code for last four
> > days and have tried different things. I am
> attaching
> > the entire code as well as getUserData part.
> >
> > Since cg[] is null, i am getting null pointer
> > exception.
> >
> > if ( myShape!=null)
> > {
> > cg[count++] = (Point3d)myShape.getUserData();
> > System.out.println(cg[count]);//returning null
> > LineArray la=new
> > LineArray(count,LineArray.COORDINATES);
> > la.setCoordinates(0,cg);
> > }
> >
> > Please tell me.
> >
> > Thanks
> >
> > __________________________________________________
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> >
> >
>
------------------------------------------------------------------------
> > Name: SimpleLine.java
> > SimpleLine.java Type: JavaScript Program
> (application/x-javascript)
> > Encoding: base64
> > Description: SimpleLine.java
>
>
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=====
Graduate Research Assistant
Virtual/Augmented and Rapid Prototyping Lab
University of Missouri-Rolla
Rolla, MO 65401
573-341-6815 (O)/573-308-1380 (R)
FAX: 573-341-6815
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