Re: [Gimp-user] Single pixel selection

Le 02/07/2018 à 00:03, Ofnuts a écrit :
Slightly more complex, but more powerful:
- Select>To path. Small islands oif pixels will create small path strokes
- use ofn-path-filter-strokes to remove the small strokes (several criteria available: length of perimeter, 
This is interesting so I installed the plugin from
and a new option appears now at the bottom of Image menu : "Fit canvas to path"
with 2 sub-options : "tight" / "with margin"

But i couldnt find the "length of perimeter" or "area" criteria.
Where are they to be found ?

The following steps can also be achieved with standard selection edit :

- Select>From path will recreate more or less the same selection, without the small bits, for more accuracy
- Select>Grow that selet by one pixel
- Intersect with the initial selection (this assumes you saved it first)

JL, on gimp 2.10.2 ubuntu 17.10

ofn-path-filter-strokes is available here:

On 06/28/18 10:41, moon wrote:

When editing drawings, I often need to select specific areas to colorize or
I do this with combination of tools like "Free select", "Fuzzy select" & "Select
by color".

Often though there are individual pixels of varying colors scattered about that
require being added or removed from the selection.

The QuickMask is not so useful because the red color means I can't easily
distinguish the pixels I am interested in.. I have to turn off the QuickMask to
identify the pixel, turn it on to (de)select it etc.

I've played with the QuickMask opacity and color, but it doesn't really help
since typically these pixels are very close in color to the selection &

I've tried a fixed size 1x1 Rectangular Select Tool, but this is clumsy since
you have to drag to get the selection to start.

It's also clumsy using the Free select tool to lasso a single pixel.

Anything else I could try?

If not, I will try to write a python plugin. I'm thinking of basing it on a
fixed 1x1 Rectangular Select Tool... does this sound feasible/sensible?


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