[Gimp-developer] Symbolic icons and symbolic inverted icons are appearing identical - last git master

[Americo Gobbo]

I have the last git master (commit 06a5b2f) and the symbolic icon theme do
not working correctly.
The previous commit also was presenting the same problem.
I am using ubuntu gnome 14.02 - gnome 3.10

A short video to illustrate this behavior:
https://youtu.be/f5HY74PyyP0

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Re: [Gimp-developer] Scanning coins

[Chris Moller]

Having done a fair amount of preparation of coin images (my wife is a 
kinda high-volume eBay seller), let me recommend using a camera on a 
copy stand instead of a scanner for acquiring the original image. To 
start with, scanners generally have a light source co-located with the 
imaging sensor, both orthogonal to the scanning surface. What this does 
is pretty much kill shadowing which pretty much kills any sense of depth 
on the surface of the coin, and it can result in glare.  Further, 
scanners have close to zero depth-of-field.  With a camera, you can 
control the lighting, control depth-of-field, use polarising filters to 
kill glare, and so on.


And /then/ use gimp for post-process!

And +1 on Vuescan.

Chris Moller

On 01/17/16 12:10, Jay Smith wrote:

On 01/13/2016 12:11 PM, billgoldbe...@frontier.com wrote:


 Greetings, I have heard Gimp is great for scanning images of 
coins to be sold internet. Can you tell me to set up Gimp to do 
this?Regard,William.

Sent from my Verizon 4G LTE Tablet


Disclaimer: I am a stamp guy, not a coin guy, but we do use Gimp. I do 
not have any coin scanning experience.


As others have said, Gimp does not scan by itself.  And even if you 
have the TWAIN plug-in built, that is still not the "secret sauce".  
Once you have the scan made, Gimp may have features that are (or are 
not) easier to use than some other programs for manipulating the 
images to make the coins look their best.  You really have to have an 
in-depth conversation with those from whom you "heard" that Gimp is 
great for coins.  If they are able/willing to tell you their "secret 
sauce", the workflow may be technical and a bit complicated, but take 
good notes.  Included in these notes must be the make/model of the 
specific scanner(s) people are using.  Since coins are three 
dimensional, it all becomes about the light source and mechanical 
operation -- and that can vary greatly from one scanner model to 
another.  I would not be surprised to discover that it is a specific 
make/model of scanner that is really the "secret sauce".


However, IMHO what you need -- regardless of whether you use Gimp or 
not -- is a standalone scanning program (usually _not_ from the 
scanner's manufacturer -- those tend to be much too dumbed-down). From 
my professional (again, in stamps) experience, I recommend Vuescan 
Professional (VSP).  A free/lite version can be downloaded from 
http://www.hamrick.com but if you find that works for you, then I 
_strongly_ recommend paying the FEW dollars for the full Professional 
version.  By the way, this is a family operated company and when I 
have run into tricky issues (because of my stamps, not their 
software), Mr. Ed Hamrick himself has been quick to assist with ideas.


VSP supports "over 2800" of makes/models of scanners, including 
scanners not supported by your operating system!  They have Windows, 
Mac and Linux versions.


VSP can also build and load a "profile" (think color calibration) of 
your scanner.  https://www.hamrick.com/vuescan/html/vuesc17.htm
You will probably need to obtain a "color target card" separately(see 
that link for the source where I got mine; it is in Germany; I did not 
find an American source).  VSP can make and load scanner profile files 
that you can create using VSP (specifically/separately for each 
scanner machine you use).  This profile allows you to have much better 
understanding and control of the color range (sorry, I am not 
technically qualified on this subject) that the scanner machine is 
sending to the VSP software and it allows VSP to more closely turn 
that into what you really want to see.  In this way, using multiple 
scanners -- which can have slightly different output even if the same 
make/model -- you can have virtually identical color output (and 
control of same).


Best of luck,

Jay
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Re: [Gimp-developer] Scanning coins

[Jay Smith]

On 01/13/2016 12:11 PM, billgoldbe...@frontier.com wrote:


 Greetings, I have heard Gimp is great for scanning images of coins to be 
sold internet. Can you tell me to set up Gimp to do this?Regard,William.
Sent from my Verizon 4G LTE Tablet


Disclaimer: I am a stamp guy, not a coin guy, but we do use Gimp.  I do 
not have any coin scanning experience.


As others have said, Gimp does not scan by itself.  And even if you have 
the TWAIN plug-in built, that is still not the "secret sauce".  Once you 
have the scan made, Gimp may have features that are (or are not) easier 
to use than some other programs for manipulating the images to make the 
coins look their best.  You really have to have an in-depth conversation 
with those from whom you "heard" that Gimp is great for coins.  If they 
are able/willing to tell you their "secret sauce", the workflow may be 
technical and a bit complicated, but take good notes.  Included in these 
notes must be the make/model of the specific scanner(s) people are 
using.  Since coins are three dimensional, it all becomes about the 
light source and mechanical operation -- and that can vary greatly from 
one scanner model to another.  I would not be surprised to discover that 
it is a specific make/model of scanner that is really the "secret sauce".


However, IMHO what you need -- regardless of whether you use Gimp or not 
-- is a standalone scanning program (usually _not_ from the scanner's 
manufacturer -- those tend to be much too dumbed-down).  From my 
professional (again, in stamps) experience, I recommend Vuescan 
Professional (VSP).  A free/lite version can be downloaded from 
http://www.hamrick.com but if you find that works for you, then I 
_strongly_ recommend paying the FEW dollars for the full Professional 
version.  By the way, this is a family operated company and when I have 
run into tricky issues (because of my stamps, not their software), Mr. 
Ed Hamrick himself has been quick to assist with ideas.


VSP supports "over 2800" of makes/models of scanners, including scanners 
not supported by your operating system!  They have Windows, Mac and 
Linux versions.


VSP can also build and load a "profile" (think color calibration) of 
your scanner.  https://www.hamrick.com/vuescan/html/vuesc17.htm
You will probably need to obtain a "color target card" separately(see 
that link for the source where I got mine; it is in Germany; I did not 
find an American source).  VSP can make and load scanner profile files 
that you can create using VSP (specifically/separately for each scanner 
machine you use).  This profile allows you to have much better 
understanding and control of the color range (sorry, I am not 
technically qualified on this subject) that the scanner machine is 
sending to the VSP software and it allows VSP to more closely turn that 
into what you really want to see.  In this way, using multiple scanners 
-- which can have slightly different output even if the same make/model 
-- you can have virtually identical color output (and control of same).


Best of luck,

Jay
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Re: [Gimp-developer] Scanning coins

[Partha Bagchi]

Well, you can acquire an image from a scanner if you have twain plugin
built. :)

On Sun, Jan 17, 2016 at 9:32 AM, Ofnuts  wrote:
> On 13/01/16 18:11, billgoldbe...@frontier.com wrote:
>>
>>
>>
>>  Greetings, I have heard Gimp is great for scanning images of coins to
>> be sold internet. Can you tell me to set up Gimp to do this?Regard,William.
>> Sent from my Verizon 4G LTE Tablet
>>
>
> Gimp has no built-in scanning capabilities. Even if you can scan from Gimp,
> it will rely on some external application to do the scanner capture. Gimp is
> then used to edit the image. Most/all scanners come with a scanner
> application...
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Re: [Gimp-developer] Scanning coins

[Ofnuts]

On 13/01/16 18:11, billgoldbe...@frontier.com wrote:



 Greetings, I have heard Gimp is great for scanning images of coins to be 
sold internet. Can you tell me to set up Gimp to do this?Regard,William.
Sent from my Verizon 4G LTE Tablet



Gimp has no built-in scanning capabilities. Even if you can scan from 
Gimp, it will rely on some external application to do the scanner 
capture. Gimp is then used to edit the image. Most/all scanners come 
with a scanner application...

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Re: [Gimp-developer] "Diagonal neighbors" option for fuzzy-select and paint-bucket tools

[Ell]

On 17/01/2016 14:46, Alexandre Prokoudine wrote:
> BTW, do you want to be acknowledged as Ell in the list of
> contributors, or would you like full first/second names to be used?

Just Ell is fine, thanks :)

--
Ell
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Re: [Gimp-developer] "Diagonal neighbors" option for fuzzy-select and paint-bucket tools

[Alexandre Prokoudine]

On Sun, Jan 10, 2016 at 6:32 PM, Ell wrote:
> Hi, Gimpers!
>
> I have a small patchset that I wonder if might be of interest. It adds a
> "diagonal neighbors" option to the fuzzy-select and paint-bucket tools.
> When activated, the tools consider diagonally neighboring pixels as
> connected when calculating the affected area. In other words, instead of
> just looking at the four orthogonal neighbors of each pixel, they look
> at all eight neighbors. This comes in handy when working with thin lines
> and curves, as shown in http://i.imgur.com/fLDUlEf.png.
>
> Any takers?

BTW, do you want to be acknowledged as Ell in the list of
contributors, or would you like full first/second names to be used?

Alex
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[Gimp-developer] Scanning coins

[billgoldbeach]

Greetings, I have heard Gimp is great for scanning images of coins to be 
sold internet. Can you tell me to set up Gimp to do this?Regard,William.
Sent from my Verizon 4G LTE Tablet


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