Try a book on omputer graphics like
A. Watt
3D Computer Graphics
Addison Wesley
ISBN 0-201-63186-5
or any text book on linear algebra.
Allan Bredahl schrieb:
> Thanks a lot
>
> But my problem is, that I have never been tought the ways of using a matrix
> as rotation of an object, and I can't seem to get the idea.
>
> Is there anywhere I can get this explaination, since it isn't mentioned in
> the J3D tutorial ?
>
> Allan Bredahl
>
> ----- Original Message -----
> From: "Brunner Cedric" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Wednesday, December 13, 2000 9:07 AM
> Subject: Re: [JAVA3D] Transform3D with both rotation and translation
>
> > Allan Bredahl wrote:
> >
> > > HI all
> > >
> > > I'm construction a simple behavior to move and rotate an object.
> > >
> > > My problem is that I want to both rotate and translate a TransformGroup.
> > >
> > > How is it possible to make one Transform3D do both rotation and
> translation,
> > > or is it possible to add more than one Transform3D to a TransformGroup
> > >
> > > thanks in advance
> > >
> > > Allan Bredahl
> > >
> > >
> ===========================================================================
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> body
> > > of the message "signoff JAVA3D-INTEREST". For general help, send email
> to
> > > [EMAIL PROTECTED] and include in the body of the message "help".
> >
> > Hi Allan,
> >
> > you can do the both (translation and rotation) in one Transform3D with
> this
> > method :
> >
> > public Transform3D(Matrix3f m1,
> > Vector3f t1,
> > float s)
> >
> > Constructs and initializes a transform from the rotation matrix,
> > translation, and scale values. The scale is applied only to the rotational
> > components of the
> > matrix (upper 3x3) and not to the translational components of the
> matrix.
> > Parameters:
> > m1 - the rotation matrix representing the rotational component
> > t1 - the translational component of the matrix
> > s - the scale value applied to the rotational components
> >
> > The scale could probably be set to 1 in your case.
> >
> > Regards
> >
> > Cédric Brunner
> >
> >
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> body
> > of the message "signoff JAVA3D-INTEREST". For general help, send email to
> > [EMAIL PROTECTED] and include in the body of the message "help".
> >
>
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