Hello, On Tue, Dec 16, 2008 at 12:04 PM, Noel Stoutenburg <mjol...@ticnet.com> wrote: > Friends: > > A bit of help, if you would... > > I had access to a microfilm of an old (~400 years) manuscript of music, > from which I was able to make usable scans, which I am not in the > process of reviewing. Some images (cf. > <http://users.waymark.net/mjolnir-dsl/10b1.tif>)are quite easy to work > with; others (cr. <http://users.waymark.net/mjolnir-dsl/12T1.tif>) are > bit more challenging. The challenging images generally have all the > information in them I need, but that information is in pixels in a > mid-gray tone surrounded by darker pixels, as the pixels in the vicinity > of GIMP co-ordinates 726,110. > > What I'd like to do is to use the "select by color" tool to select the > pixels with the desired mid-gray values, and then use them as a mask. > However, when I try to use select by color, it picks up the mid-gray > pixels well enough, but picks up all the darker ones and some of the > lighter ones as well. Is there a way to adjust the tool so that it > selects just the mid-gray values that I want, or is there a better tool > to use? You might try adjusting the threshold downwards.
David _______________________________________________ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
