GIMP 2.9.5 Erase

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GIMP 2.9.5 Erase

rich2005
Am I missing something obvious here?

I create a new image, use bucket fill to fill it with the background colour (not
white, although the 'problem' still occurs with white) and add an alpha channel
to the layer.

I then select the eraser tool and erase a strip of the image - this works fine
and I see the chequered/transparent background as expected.

If I then erase another strip that in part crosses the first strip the
intersection of the strips becomes white.

Erasing the intersection again toggles it back to being transparent..

I have tried adjusting various controls for the eraser tool without success (I
consider success to be that the intersection of the two strips remains erased).

I am using GIMP V2.9.5 commit 7111ead (the portable Windows version from
Partha's site posted 12.2.2017 (many thanks to Partha for posting these
versions))

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GIMP 2.9.5 Erase

rich2005
One other piece of information - I have just found if the erased path crosses
itself (without releasing the mouse button) the intersection stays erased - for
example if a figure 8 is drawn in one operation the problem doesn't appear.

I don't see the same thing on the same PC (running W7 64-bit) using V2.8.20.

>Am I missing something obvious here?
>
>I create a new image, use bucket fill to fill it with the background
>colour (not white, although the 'problem' still occurs with white) and
>add an alpha channel to the layer.
>
>I then select the eraser tool and erase a strip of the image - this
>works fine and I see the chequered/transparent background as expected.
>
>If I then erase another strip that in part crosses the first strip the
>intersection of the strips becomes white.
>
>Erasing the intersection again toggles it back to being transparent..
>
>I have tried adjusting various controls for the eraser tool without
>success (I consider success to be that the intersection of the two
>strips remains erased).
>
>I am using GIMP V2.9.5 commit 7111ead (the portable Windows version
>from Partha's site posted 12.2.2017 (many thanks to Partha for posting
>these versions))

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Re: GIMP 2.9.5 Erase

Michael Natterer
Hi,

There is a big fat message in the empty image window, please
do as it says and only use latest git master.

Regards,
Mitch


On Sat, 2017-02-18 at 19:26 +0100, programmer_ceds wrote:

> One other piece of information - I have just found if the erased path
> crosses
> itself (without releasing the mouse button) the intersection stays
> erased - for
> example if a figure 8 is drawn in one operation the problem doesn't
> appear.
>
> I don't see the same thing on the same PC (running W7 64-bit) using
> V2.8.20.
>
> > Am I missing something obvious here?
> >
> > I create a new image, use bucket fill to fill it with the
> > background
> > colour (not white, although the 'problem' still occurs with white)
> > and
> > add an alpha channel to the layer.
> >
> > I then select the eraser tool and erase a strip of the image - this
> > works fine and I see the chequered/transparent background as
> > expected.
> >
> > If I then erase another strip that in part crosses the first strip
> > the
> > intersection of the strips becomes white.
> >
> > Erasing the intersection again toggles it back to being
> > transparent..
> >
> > I have tried adjusting various controls for the eraser tool without
> > success (I consider success to be that the intersection of the two
> > strips remains erased).
> >
> > I am using GIMP V2.9.5 commit 7111ead (the portable Windows version
> > from Partha's site posted 12.2.2017 (many thanks to Partha for
> > posting
> > these versions))
>
>
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Re: GIMP 2.9.5 Erase

Elle Stone
In reply to this post by rich2005
On 02/18/2017 01:26 PM, programmer_ceds wrote:

> One other piece of information - I have just found if the erased path crosses
> itself (without releasing the mouse button) the intersection stays erased - for
> example if a figure 8 is drawn in one operation the problem doesn't appear.
>
> I don't see the same thing on the same PC (running W7 64-bit) using V2.8.20.
>
>> Am I missing something obvious here?
>>
>> I create a new image, use bucket fill to fill it with the background
>> colour (not white, although the 'problem' still occurs with white) and
>> add an alpha channel to the layer.
>>
>> I then select the eraser tool and erase a strip of the image - this
>> works fine and I see the chequered/transparent background as expected.
>>
>> If I then erase another strip that in part crosses the first strip the
>> intersection of the strips becomes white.
>>
>> Erasing the intersection again toggles it back to being transparent..
>>
>> I have tried adjusting various controls for the eraser tool without
>> success (I consider success to be that the intersection of the two
>> strips remains erased).
>>
>> I am using GIMP V2.9.5 commit 7111ead (the portable Windows version
>>from Partha's site posted 12.2.2017 (many thanks to Partha for posting
>> these versions))
>

Probably this bug, which has been fixed in git:
https://bugzilla.gnome.org/show_bug.cgi?id=778597

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GIMP 2.9.5 Erase

rich2005
In reply to this post by Michael Natterer
Sorry, I should have checked Bugzilla first.

Not having a set-up to produce Windows builds I was using the portable version
produced by Partha - that way I can keep using 2.8.20 whereas I assume that I
can't use the Dark Refraction versions without interfering with my 2.8
installation.

>Hi,
>
>There is a big fat message in the empty image window, please
>do as it says and only use latest git master.
>
>Regards,
>Mitch

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GIMP 2.9.5 Erase

rich2005
Just read the Dark Refraction site again and it says that they are portable
builds so I have tried the latest and, sure enough, the problem has gone. Now I
just need to sort the problems reported when 2.9.5 processes the migrated copy
of my V2.8 set-up - Partha's portable builds are more stand-alone so user added
scripts and plug-ins have to be copied across manually rather than being
automatically dragged in from a previous install.

>Sorry, I should have checked Bugzilla first.
>
>Not having a set-up to produce Windows builds I was using the portable
>version produced by Partha - that way I can keep using 2.8.20 whereas
>I assume that I can't use the Dark Refraction versions without
>interfering with my 2.8 installation.

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