[Sidefx-houdini-list] Camera model

Pablo Giménez pablogipi at gmail.com
Thu Nov 29 06:36:51 EST 2012


2012/11/28 jon parker <parker.jon at gmail.com>

> Hi Pablo,
> These attributes do indeed get written into the EXR file but unfortunately
> the included Python Imath module in Python OpenEXR doesn't recognize m44f
> types that worldToCamera and worldToNDC are saved as.  So a class will need
> to be created to recognize this attribute.
>
I am more interested at the moment in the dataWindow and dataDisplay
attributes. They are supported by the Imath module.
But not by Houdini/Mantra :)

> -Jon
>
> On Wed, Nov 28, 2012 at 6:30 AM, Pablo Giménez <pablogipi at gmail.com>
> wrote:
>
> > IMG_OpenEXR:
> >     - Save the worldToCamera and worldToNDC transform matrices.
> >     - Save some other of the standard EXR attributes (and load as well):
> >         * owner
> >         * comments (along with the Houdini-centric "comment" field)
> >         * capDate
> >
> > -----
> >
> > Unfortunately I haven't had time to test it yet, too much shots to do :)
> > I believe others studios have been asked for this and is certainly
> > quite useful to store random info in the EXR headers.
> > I also found this Ptthon module which is great to work with EXR files in
> > pipe:
> > http://excamera.com/articles/26/doc/intro.html#
> >
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-- 
Un saludo
Best Regards
Pablo Giménez



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