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Transparency ?

Posted: March 31st, 2025, 5:09 am
by tonygamble
Mon 1.jpg
Mon 1.jpg (19.59 KiB) Viewed 1757 times
I have just picked up a .png of a logo I am compositing on a photo.

To the right I get an icon that says Transparency. What is it telling me? What could I do with it?

Underneath I created the mask that I need for my Composite. Was this something I could have done with the Transparency instead?

Re: Transparency ?

Posted: March 31st, 2025, 6:48 am
by jsachs
Yes, the transparency mask can be used as the starting point for a new mask, just like a mask from some other transformation. Then you could invert the mask if necessary.

Re: Transparency ?

Posted: March 31st, 2025, 11:33 am
by tonygamble
Sorry Peter. I can't get it to do anything. I can't click on it and I never see it offered as a mask.

Am I missing something i might want to use?

Re: Transparency ?

Posted: March 31st, 2025, 1:26 pm
by jsachs
Please email me the png file (jsachs@dl-c.com)

Re: Transparency ?

Posted: March 31st, 2025, 6:09 pm
by jsachs
I got the file -- if I do a File Open on it I get the image and its transparency mask.

If I then add a Brightness Curve transformation and click on the Mask box, I get the transparency mask as an option and can select it.
Mask Menu.jpg
Mask Menu.jpg (5.65 KiB) Viewed 1732 times

Re: Transparency ?

Posted: April 1st, 2025, 6:34 am
by tomczak
. I can't click on it and I never see it offered as a mask.
Don't know if this is the case, but most often I don't see masks because the mask pixel dimensions are not identical to image pixel dimensions.

Re: Transparency ?

Posted: April 1st, 2025, 8:36 am
by tonygamble
Thanks Jonathan.

Yes, I now see what it will do.

Tony