>On 10/16/2010 07:05 AM, BlackDalek wrote: >> Ok, what I want to do is turning out to be a little more difficult than >> usual. >> I can find plenty of tutorials on making parts of images transparent or >> semi-transparent. >> I can work out how to do this from scratch, creating an image. >> The problem here is I am not creating an image from scratch - I want to take >> an existing flat image with existing background and remove background and be >> left with an image (complete with transparent and semi-transparent areas) >> which I can then save to a PNG or use on any other background I wish. >> >> To illustrate what I want to do, I have made mockup images below. >> Image 1 shows an image with a black background. I want to remove the black >> background but leave the image and semi-transparent "rays" intact so they >> can be placed onto a different background, as in image 2. Note that the >> "rays" appear over the new background colour. >> >> image 1 http://i7.photobucket.com/albums/y265/BlackDalek/kbblack.png >> >> image 2 http://i7.photobucket.com/albums/y265/BlackDalek/kbcolour.png >> >> If anyone knows how to achieve this, please ellaborate. Feel free to >> download and use the above kbblack.png image to explain how to get from >> image 1 to image 2. >> >> Thanks >> >>
>I get fairly close results by using two layers for the cat from top to >bottom: >1) Plain cutout from original by using the magic wand on the background >(the goal being to get a cutout of the center of the cat) with a 5pix >grow/feather >2) "color to alpha" from original using black as the color. >3) Diagonal gradient using colors picked from your color version I tried your suggestion. Your method produced far better results than what I managed (trying to use a layer mask). I think I can get around the problem using a combination of clever curve manipulation, desaturation and colour to alpha. Thanks. -- BlackDalek (via gimpusers.com) _______________________________________________ Gimp-user mailing list [email protected] https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
