POV-Ray : Newsgroups : povray.advanced-users : HDR and brightness : Re: HDR and brightness Server Time
23 Jun 2024 13:07:14 EDT (-0400)
  Re: HDR and brightness  
From: Mike Horvath
Date: 24 Feb 2018 10:46:12
Message: <5a9188c4$1@news.povray.org>
On 2/24/2018 7:15 AM, Thomas de Groot wrote:
> On 24-2-2018 13:01, Thomas de Groot wrote:
>> On 24-2-2018 12:09, Mike Horvath wrote:
>>> I wonder if it would be easier to render my sky and fluffy clouds 
>>> once, and then include it in subsequent renders as HDRI.
>>>
>>
>> I would not do that if I were you. The fine details of the sky/cloud 
>> structures would be lost. The resolution of the sky dome is not that 
>> good and those images are not intended for crisp backgrounds but for 
>> (global) illumination.
>>
> 
> er.... I might contradict myself here because I may have misunderstood 
> what you intend to do :-)
> 
> If you intend to build a spherical sky probe to be used as hdri/exr sky 
> spheres in later scenes, then yes by all means, do that with a spherical 
> camera. However, be aware of my comment above at the same time. I attach 
> an example scene I made years ago to show what that means.
> 

I think that in addition to spherical HDRI formats, there are also cube 
mapped ones. Does POV-Ray support these as well? (Cube mapping tends to 
look nicer IMO.)


Mike


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