Saving of a circuit of the derived image in the channel

That the section outlined by a marker corresponded to the form of the selected area, create such area, select command Select> Modify> Border (to Select> to Change> the Boundary), set width equal approximately 9 пикселам and click by the button APPRX. Invert the selected area and save it in alpha channel. Then execute command Image> Extract (the Image> to Derive) and from the pop up menu fields Channel (Channel) which is in group Extraction (Extraction), select this alpha channel. And at last, by means of key G activate tool Fill (Filling) and click in the selected area.

Fig. 5.48. Result of extraction of a figure of a chimpanzee (in some areas command Extract overdid)

Fig. 5.49. A type of a chimpanzee after tool Art History Brush application (the Art recovering paintbrush)