[Gimp-user] Feathering edges of an existing selection

[David Gowers]

On Wed, Apr 23, 2008 at 9:07 PM, Elwin Estle <chrysalis_reborn at yahoo.com> wrote:
> There is another way to feather an existing selection as well, it is my preferred method,
>  since you can actually see how much feather you are gonna get beforehand.
>
>  Simply this:  Convert the selection to a quickmask (also in the Select menu, and there is
>  an icon in the lower left corner of the canvas that will toggle this as well.)  The
>  canvas will be covered with red, except for the area selected.  Now do
>  filters>blur>Gaussian blur and look at the preview to see how much blur (feathering) you
>  get.  Convert the quickmask (actually a temporary channel) back into a selection.  Just
>  like feathering, you can't see it until you actually manipulate the selection, but it
>  works just the same.
It works EXACTLY the same, in fact -- gaussian blurring is used for feathering.
Using Quickmask+gaussian-blur is a sensible choice if you want to, for
example, feather only part of the selection.