Changing Colour Profile

[Marpel]

If I open an image that has a different colour space than the working colour space, a "Confirm Profile Conversion" dialogue is generated (as I have it set up). If I press "OK", it of course changes the profile as expected.

However, I am wondering why if no further changes are made to the image and the image is closed, a dialogue does not generate, asking to confirm the change, and the image closes without maintaing the new profile? Is this because the change to the working colour space is considered only temporary, or is this just an oversight?

Marv

[Charles2]

Well, if you realized you had opened the wrong file, you would need to take care that you do a Color | Profile change before closing the program.

The working image is not a file image -- until you choose to save it.

[Marpel]

Charles2,

Sorry, not sure I completely understand what you are saying, so perhaps an explanation.

Awhile back (think it was when I updated NX2, my raw converter), I inadvertently exported a bunch of raw files into Nikon Adobe RGB 1998 (as 16 bit TIFFs). As I usually use just Adobe RGB 1998 for TIFFs and do all my post raw processing in PWP, I was getting a profile mismatch dialogue warning every time I used a Nikon Adobe image to composite with an Adobe image. To make sure I caught all the Nikon Adobe files, I changed the PWP specifications so the working space was Adobe RGB 1998. As expected, every time I opened a Nikon file, I rec'd a change profile dialogue, and hit OK. I would then use that file in compositing with other images. Because I often open an image just to use in the compositing process and close that image without making any change, I occasionally missed confirming the new image as Adobe RGB 1998, because there was no warning dialogue upon closing the image - quite unlike when you open an image and do a profile change and you get a "confirm change" warning when you close the image without doing a save.

I understand that a working image is not a file image until you save it, I was merely wondering why a warning does not appear when you close the image after you have changed the profile as per above, and the program just lets you close the image (and the profile change does not take effect).

Hope my explanation is clear.

Marv

[Charles2]

Marv, you have a specialized situation that might benefit from a batch conversion of profiles using the donation-only program XNConvert. See http://www.xnconvert.com . (I use PWP on a one-by-one basis, so I am not equipped to discuss a batch workflow for your task.)

[Dieter Mayr]

Marv.

In my opinion one don't want to change the profile of a original image any time it's just opend and closed in PWP.
Think of a image in AdobeRGB you want to send per email. Let's assume you have set the woring colorspace to sRGB to automatically convert the colorspace when opening.
Then you resize the image to make it smaller and save it as JPEG.
In that case you dont want to convert your original AdobeRGB image to sRGB, will you ? I think a question if you want to save would be dangerous in that case that you will accidentaly convert.
So, I think the behaviour is good as it is now.
In your case I would make a workflow, containing a conversion in your desired colorspace and a save as.
Let in run wil all your NikonAdobeRGB images and you're done.

[Marpel]

Dieter,

You make a good point (and have provided a quite common example which I had not considered).

Thanks,

Marv