[PD] Geo absolute position

[Kyle Klipowicz]

Sweet! I did not know about the [gemlist_info] object! This is handy!

~Kyle

On 5/9/07, Roman Haefeli <reduzierer at yahoo.de> wrote:
> On Wed, 2007-05-09 at 10:11 -0400, nosehair911 at bellsouth.net wrote:
> > Roman,
> > Thanks for your help.  Chris just clued me in on gemlist_info, check out the help file it looks like what
> > we both have been looking for. Plus you can do as many transformations as you like and then put
> > gemlist_info at the end of the chain to give you the absolute position, shear, size and orientation. But
> > thanks for the abstactions you wrote, they will come in handy.
>
> i am not sure, if they make any sense at all, since there is
> [gemlist_info]. they might be usefull for an non-gem context, though...
>
>
> roman
>
>
>
>
> Alain
> > >
> > > From: Roman Haefeli <reduzierer at yahoo.de>
> > > Date: 2007/05/09 Wed AM 10:00:54 EDT
> > > To: nosehair911 at bellsouth.net
> > > CC: pd-list at iem.at
> > > Subject: Re: [PD] Geo absolute position
> > >
> > > hi alain
> > >
> > > because of the same problem, i wrote a small collection of vector
> > > processing abstractions. instead of using several [translateXYZ] and
> > > [rotateXYZ] objects in one chain, i decided to only use one
> > > [translateXYZ] for the position of the geo and one [rotatateXYZ] for its
> > > orientation. for calculating the the positions and orientations, i used
> > > the abstractions, i mentioned above. it seems awkard to have to compute
> > > all that stuff yourself, since there are object, that should make life
> > > easier, but i din't find any better way to overcome that problem yet.
> > >
> > > you can find the abstractions here:
> > > http://www.romanhaefeli.net/software/pd/vector_abs.tar.gz
> > >
> > >
> > > On Wed, 2007-05-09 at 09:25 -0400, nosehair911 at bellsouth.net wrote:
> > > > I have been looking for this answer for a while now.  In Gem, is there a way to get the absolute
> > > > position of a geo after its been rotated, moved, rotated again, etc...?
> > > > For example:
> > > >
> > > > [gemhead]
> > > > |
> > > > [translateXYZ 0 1 0]
> > > > |
> > > > [rotateXYZ 0 0 90]
> > > > |
> > > > [translateXYZ 1 0 0]
> > > > |
> > > > [circle 0.1]
> > > > |
> > > > [absolute position]
> > >
> > > i think, it would also be cool to not only know the position, but also
> > > its orientation. further would it be usefull to have some
> > > angel-to-vector conversion, so that an orientation given in angles would
> > > be outputted as the three vectors rotated by these angles.
> > >
> > > roman
> > >
> > >
> > >
> > >
> > >
> > >
> > > ___________________________________________________________
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> > >
> > >
> >
> >
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>
>
>
>
>
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