 | | | Scripting-question: how to get the absolut position of an object wich is def | Scripting-question: how to get the absolut position of an object wich is def 2004-02-13 - By Graham D Clark
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Ah good idea, object to cluster contraint with tangency and normal. Was
curious myself. Thanks
-- ---- ---- ---- ---- ---- --
http://www.grahamdclark.com
> -- --Original Message-- --
> From: owner-xsi@(protected)
> [mailto:owner-xsi@(protected)] On Behalf Of Glen Fraser
> Sent: February 13, 2004 6:32 PM
> To: XSI@(protected)
> Subject: RE: Scripting-question: how to get the absolut
> position of an object wich is defomed on a curve?
>
>
> Hi Sebastian. Do you want just position or the entire
> transform (you used both terms in your original mail, so I'm
> not sure)?
>
> In any case, one way to do it is to create a cluster of the
> deformed object's points (or polys/edges), then put an object
> to cluster constraint on an object (e.g. a null) to that
> cluster. That object's transform will be what you were
> looking for. You can also do tangency/normal with the
> obj-to-cns operator if you're interested in more than just
> the position, but I think (depending on the curve) you may
> get trouble with the reference frame flipping as the curve
> jumps across to the opposite side of "straight". (so to speak
> -- no comments please ;-)
>
> Hope that helps,
> ---
> Glen Fraser
> XSI Left Fielder
>
>
> -- --Original Message-- --
> From: owner-xsi@(protected)
> [mailto:owner-xsi@(protected)]On Behalf
> Of Sebastian Faber
> Posted At: Friday, February 13, 2004 6:10 PM
> Posted To: xsi
> Conversation: Scripting-question: how to get the absolut
> position of an
> object wich is defomed on a curve?
> Subject: RE: Scripting-question: how to get the absolut position of an
> object wich is defomed on a curve?
>
>
> yeah - this would be the hard way... I'll get deep into the
> docs tonight and
> hope I'll find a function to make my day.
>
> thanks - sebastian
>
>
> -- --Original Message-- --
> From: owner-xsi@(protected)
> [mailto:owner-xsi@(protected)]On Behalf
> Of Graham D Clark
> Sent: Friday, February 13, 2004 11:35 PM
> To: XSI@(protected)
> Subject: RE: Scripting-question: how to get the absolut position of an
> object wich is defomed on a curve?
>
>
> yeah with a deformation by curve, instead its points are deformed.
> clusters center won't follow, so perhaps,
> -average point pos for each point in a cluster and map to world space
> (scop works somewhere will look)
> -or for an area, track a null at geos average vertice position
> -or get bounding box center (script works too somewhere will look)
> -or possibly constrain a null to same path with same animation on its
> translation along path then track that global pos matching their
> disimilar path percentage and translation parameters with a scop
> -- ---- ---- ---- ---- ---- --
> http://www.grahamdclark.com
>
> -- --Original Message-- --
> From: owner-xsi@(protected)
> [mailto:owner-xsi@(protected)] On Behalf
> Of Sebastian Faber
>
> Sent: February 13, 2004 1:16 PM
> To: XSI@(protected)
> Subject: Scripting-question: how to get the absolut position of an
> object wich is defomed on a curve?
>
>
> How can I get the absolut position of an object which is deformed on a
> curve? As everybody knows - the deformation is a matrix transformation
> of the coordinate system. I suppose there is a (easy) way (without
> rebuliding the matrix-transformation by hand) to get the absolut
> position (x,y,z -values).
>
> Sebastian
>
>
>
>
> LIGA_01 COMPUTERFILM GmbH
> Sebastian Faber
> Landwehrstrasse 60
> D - 80336 Munich - Germany
>
> sebastian.faber@(protected)
> www.liga01.com
>
>
>
>
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