Re: [Openexr-user] Clarification on Open EXR and Photoshop

[Brendan Bolles]

On Aug 22, 2004, at 12:14 AM, JK wrote:

> I prefer to use Photoshop for adding special effects, and would like 
> to film out using OpenEXR.  (I am only adding effects to portions of 
> the frame.)  Question: Since Photoshop is a LDR editor (8 bits only) 
> what will happen to the added effects when I convert back to OpenEXR 
> in the 10bit floating format? Will they look flat, pixelated, jagged?

At The Orphanage, we've been doing some HDR painting in Photoshop using 
16-bit Log space and our own version of the EXR plug-in.  Look at this 
crudely-designed site for info:

http://www.theorphanage.com/tech/


There are issues with this approach or course, but we've had success 
with it.


Brendan