clipka nous illumina en ce 2009-04-01 13:14 -->
> Alain <ele### [at] netscapenet> wrote:
>> - Reflective sphere where the center point is back at you and the perimeter is
>> the oposite point.
>> - Cross shaped, to be wrapt around a box.
>> - Square ment to be maped onto a sphere. Those I have are not good.
>>
>> The first form seems to be the more common format.
> 
> The round ones come in two flavors: The "raw" shot of the reflective sphere; or
> (actually more common as it seems) a format that somewhat distorts the sphere
> radially, so that all parts of the sky get about the same resolution. The two
> may sometimes be hard to tell apart.
> 
>> How do you use those? I don't use mega-POV. It's not installed.
> 
> There is a software called HDRShop out there (free for noncommercial purposes
> IIRC) that allows you to convert between the various formats (and do some other
> stuff with HDR shots); for official POV-Ray, you will most likely want to
> convert the shots to that rectangular latitude / longitude format, which you
> can project onto a sphere or sky_sphere using POV's spherical mapping.
> 
> 
> 
Thanks.
Will start playing with HDRShop.

-- 
Alain
-------------------------------------------------
Politics is such a torment that I advise everyone I love not to mix with it.
Thomas Jefferson

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