Rendering intent questions
Rendering intent questions
- Subject: Rendering intent questions
- From: "Chris McFarling" <email@hidden>
- Date: Tue, 27 Feb 2007 12:24:07 -0500
A couple questions about rendeing intents...
Using Photoshop as an example, in the Proof Setup dialog you can select a
rendering intent. So, say you have an RGB image opened that has the Adobe
1998 RGB profile assigned to it. In the proof setup, you want to simulate
this image using the US Web Coated SWOP CMYK profile. The rendering intent
selected affects the conversion from Adobe 1998 to US Web Coated SWOP,
right? What about the conversion to your monitor profile for the on screen
display? What rendering intent is used for that conversion? For that matter,
what rendering intent is used when Photoshop displays any image on screen?
Every ICC profile has a default rendering intent embedded in it. I believe
the idea behind that is so that a CMM will know which intent to use in the
event that it's not supplied by the user. So assume I convert an image from
one color space to another using an application that doesn't allow
explicitly setting the rendering intent. Also assume that the source and
destination profiles both have different default rendering intents specified
inside them. Which of the two, source or destination, rendering intents does
the CMM use then?
Chris McFarling
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