SetScale will control the size of all the objects if you setTransform to all
the objects you want controlled. I hope you understand that.
Using the Z Axis will make the objects bigger and smaller depending on where
you are placing them.
> -----Original Message-----
> From: Allistair Crossley [SMTP:[EMAIL PROTECTED]]
> Sent: Friday, May 11, 2001 12:47 PM
> To: [EMAIL PROTECTED]
> Subject: Re: [JAVA3D] View.setProjectionPolicy
>
> For me I want a bunch of spheres to be drawn at constant size even on
> rotation into the Z axis. With parallel you get this but with projection,
> the frustrum creates the appearance that spheres in the distance are
> smaller than those in front.
>
> I am interested to know whether it is just setScale that one uses to make
> sure the object is in view in parallel.
>
> -----Original Message-----
> From: Discussion list for Java 3D API
> [mailto:[EMAIL PROTECTED]]On Behalf Of Corysia Taware
> Sent: 11 May 2001 20:24
> To: [EMAIL PROTECTED]
> Subject: Re: [JAVA3D] View.setProjectionPolicy
>
>
> Isn't PARALLEL projection the same as the Orthographic projection
> model in OpenGL?
>
> If it is, then is it possible that everything is still working, but
> you just can't tell because nothing is changing size visually?
>
> From the OpenGL red book:
>
> Orthographic Projection
> With an orthographic projection, the viewing volume is a rectangular
> parallelepiped, or more informally, a box. Unlike perspective projection,
> the size of the viewing volume doesn't change from one end to the other,
> so distance from the camera doesn't affect how large an object appears.
> This toe of projection is used for applications such as creating
> architectural blueprints and computer-aided design, where it's crucial to
> maintain the actual sizes of objects and angles between them as they're
> projected.
>
>
> ----- Original Message -----
> From: "Mona Wong" < [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>>
> To: < [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>>
> Sent: Friday, May 11, 2001 12:54 PM
> Subject: Re: [JAVA3D] View.setProjectionPolicy
>
>
> > Hi Allistair:
> >
> > I have the same problem as you. If you get anything
> useful, please
> > forward. Thanks!
> >
> > Cheers,
> >
> > Mona
> >
> > > Hi,
> > >
> > > I am currently using the PERSPECTIVE projection for my view and
> this allows
> > > me to use the MouseZoom behaviour to zoom in and out.
> > >
> > > I also want to use the PARALLEL projection. When I switch to
> this, I find
> > > that my model is right in my face in the view and the MouseZoom
> does not
> > > operate in this policy.
> > >
> > > How can I set the model backwards so I can see it all? Do I have
> to use a
> > > setScale?
> > >
> > > Cheers,
> > >
> > > Allistair Crossley
> > > Web/New Media Consultant
> > > Logica UK Ltd
> > > Tel: 02074 463267
> > > Mob: 07884 056274
> > >
> > >
> ==========================================================================
> =
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> send email to
> > > [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> and include
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> >
> > ==================================================================
> > Mona Wong
> > National Center for Microscopy and Imaging Research
> > University of California, San Diego
> > <http://ncmir.ucsd.edu/>
> >
> > "The truth shall set you free, but first it will piss you off"
> > A Landmark instructor
> > ==================================================================
> >
> >
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