[Sidefx-houdini-list] camera Rotation and Translate to Matrix3

Alvaro Castaneda varomix at gmail.com
Mon Jul 9 12:40:08 EDT 2012


ok, so basically from what the worldTransform gives me I just get the
rotate and transforms, it's all there.

Thanks a lot, really appreciate it

On Mon, Jul 9, 2012 at 10:24 AM, Graham Thompson <captainhammy at gmail.com>wrote:

> You can get a camera's transform matrix by using
> hou.ObjNode.worldTransform().
>
> >>> wt = hou.node('/obj/cam1').worldTransform()
>
> Your translations can only be expressed in a 4x4 matrix, or a simple tuple.
> From the world transform you can build a translation matrix from the
> extracted translation values.
> >>> t = wt.extractTranslates()
> >>> trans = hou.hmath.buildTranslate(t)
>
> Rotations are a 3x3 though and can be accessed directly.
> >>> rot = wt.extractRotationMatrix3()
>
> On Mon, Jul 9, 2012 at 8:42 AM, Alvaro Castaneda <varomix at gmail.com>
> wrote:
> > HI guys
> >
> > I need help with this
> >
> > I need to extract the translate and rotate of my camera, objects also  I
> > guess, and build
> > that into a 3x3 matrix.
> >
> > help :(
> >
> > thanks
> >
> >
> >
> >
> >  *.:varomix:.*
> > MIX Studio
> > Houdini Wizard *<|:)
> > www.varomix.net
> >   : [image: LinkedIn] <http://www.linkedin.com/in/varomix> [image:
> > Twitter]<http://twitter.com/varomix> [image:
> > Facebook] <http://www.facebook.com/varomix> [image:
> > about.me]<http://about.me/varomix>
> > _______________________________________________
> > Sidefx-houdini-list mailing list
> > Sidefx-houdini-list at sidefx.com
> > https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> _______________________________________________
> Sidefx-houdini-list mailing list
> Sidefx-houdini-list at sidefx.com
> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
>



More information about the Sidefx-houdini-list mailing list