Hi Roni,

Precision isn't normally required for normals, as they always are of
of unit length without any precisions issues.

Its only position data on large models, such as whole earth, that have
issues with point data and precision, so double precision is required.

Robert.

On Sun, Mar 23, 2008 at 8:53 AM, Roni Rosenzweig <[EMAIL PROTECTED]> wrote:
> Hello
>
> I noticed that in LineSegmentIntersector::Intersection the function that
> returns the local intersection point returns osg::Vec3d, but the local
> normal point returns osg::Vec3.
> Is there a reason? I'm trying to change my entire application to use double
> and Vec3d instead of floats (because of precision problems) and was
> wondering why the normal is in floats.
>
> roni
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>
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