Re: [Openexr-devel] 3dsMax OpenEXR support

[Darrin Cardani]

At 10:31 AM -0700 4/15/03, Drew Hess wrote:
>  "sampToNits"           a FloatAttribute that gives the absolute scale to
>                         get from sample values to Nits (cd/m^2) for the
>                         purposes of photometric calibration
>
>  "xDensity"             a FloatAttribute for the standard horizontal
>                         output density, in pixels per inch.
>                         We could also specify yDensity, but this is
>                         redundant (and therefore  dangerous)
>                         with respect to the existing "pixelAspect" and
>                         image size information
>  "focus"                a FloatAttribute for the world focus distance, in
>                         meters

Just curious - why are sampToNits and focus in meters and xDensity in 
inches? Shouldn't they all be either metric or English?

Darrin
--
Darrin Cardani - address@hidden
President, Buena Software, Inc.
<http://www.buena.com/>
Video, Image and Audio Processing Development