>I'm brand new to GIMP. I photographed a bronze sculpture on an >off-white paper >background in natural light. The shadow areas of the background range >from white >to a peach color. I'd like to change the background to greyscale and >then adjust >it separately from the sculpture. I've made a quick mask but now can't >figure >out how to make the background a separate layer from the sculpture, so >that I >can color correct the two layers independently. The sculptor wants to >keep the >shadows in the background.
I had to fake a photograph up a little for the background. However. A quick mask is just a means to a selection. Depending which way you painted, it might look like (1) Toggle the quickmask off, (Shift-Q), to show the crawling ants and if necessary invert the selection ( Select -> Invert ) Duplicate the layer (Layer -> Duplicate layer) and on the duplicated layer create a layer mask (Layer -> Mask -> Add layer mask). Choose the 'Selection' Option (2) The layer mask will be 'active' so click on the icon to the left (ie **not** the mask layer icon. Active icon will show with a white border. ) Invoke Colors -> Desaturate on the layer (3) Then you can mess about on the canvas touching up either layer as required. You can not make the image true grayscale (8 bit) and keep the original layer in colour. Keep the image as RGB. Attachments: * https://www.gimpusers.com/system/attachments/1356/original/mask.jpg -- rich404 (via www.gimpusers.com/forums) _______________________________________________ gimp-user-list mailing list List address: gimp-user-list@gnome.org List membership: https://mail.gnome.org/mailman/listinfo/gimp-user-list List archives: https://mail.gnome.org/archives/gimp-user-list
