Re: [Gimp-user] Gimp newbie trying to get a job done.
- From: Gary Aitken <gimp dreamchaser org>
- To: Brent Shifley <Brent Shifley arkansas gov>
- Cc: "gimp-user-list gnome org" <gimp-user-list gnome org>
- Subject: Re: [Gimp-user] Gimp newbie trying to get a job done.
- Date: Wed, 25 Jan 2012 13:40:22 -0700
Hi Brent,
This is pretty simple in terms of getting the selected area with this
particular image:
Load the image into gimp.
Choose the color selection tool.
Set Threshold to 30
Click on the darker green area.
At least for your sample map, that got everything. Note that the color
on your sample map is not uniform, which is why the threshold has to be
upped from the default (15) to 30. If it doesn't get everything, start
over (undo the last operation or exit and start over), up the threshold
some more and click on missing areas until you get them all. This works
relatively pain-free because there is no similar green anywhere in the
image.
Edit/Copy to copy the selected area.
Select/None to deselect everything
File/New
Click to expand "Advanced Options"
Set "Fill with" to transparency
Edit/Paste
You should have just the green areas
Close the window containing the original image
If you don't have the layers dialog open, bring it up.
You should see a "Floating Selection"
Click the anchor button along the bottom (next to the trashcan) to
anchor the pasted stuff into the background.
File/Save
On 1/25/2012 11:26 AM, Brent Shifley wrote:
Here is the url to the file:
http://photobucket.com/Brent_ARK
This is actually a much simpler graphic than what I would normally be
using, but you get the idea. In as few clicks as possible, I just want
the green areas, and want the rest of the graphics transparent.
Brent Shifley
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