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Latest Threads
Noob question about white...
Forum: General questions
Last Post: Ofnuts
Yesterday, 08:44 PM
» Replies: 1
» Views: 302
Can a Custom Pencil Brush...
Forum: General questions
Last Post: rich2005
Yesterday, 07:49 AM
» Replies: 4
» Views: 184
Where do I save my Brushe...
Forum: Windows
Last Post: Blighty
05-21-2019, 06:08 PM
» Replies: 2
» Views: 72
Copy colored text.
Forum: General questions
Last Post: rich2005
05-21-2019, 05:43 PM
» Replies: 2
» Views: 174
GMIC QT problems
Forum: Extending the GIMP
Last Post: rich2005
05-21-2019, 08:41 AM
» Replies: 3
» Views: 123
New Drop-Shadow Tool - Cr...
Forum: Gimp 2.10
Last Post: Krikor
05-20-2019, 09:31 PM
» Replies: 15
» Views: 2,560
isolating areas of same c...
Forum: Scripting questions
Last Post: dinasset
05-20-2019, 12:29 PM
» Replies: 8
» Views: 260
How do you make a ring th...
Forum: General questions
Last Post: Ofnuts
05-20-2019, 09:36 AM
» Replies: 3
» Views: 416
Question about the ink to...
Forum: General questions
Last Post: origininc
05-19-2019, 11:25 PM
» Replies: 2
» Views: 177
a little help needed plea...
Forum: General questions
Last Post: Ofnuts
05-19-2019, 07:17 AM
» Replies: 2
» Views: 417

 
  Noob question about white balance calibration
Posted by: toothwizard - Yesterday, 01:47 PM - Forum: General questions - Replies (1)

I am a dentist Big Grin  and use photography clinically to record disease, to plan treatment and to show people before and after photographs. I would also like to start using some of my portfolio to educate other patients and to promote my work. Getting reproducible colours between photos is extremely important, especially if I am doing tooth whitening for a client or taking a shade for my laboratory technician to make a crown in a matching colour!

I have not used any photo editing software before so am a complete new learner. I need to decide which program to buy and my editing needs are very basic: cropping, correcting white balance, and mirroring will be 95% of what I will do. I do know from courses that Photoshop has a function to use 17% grey card in a photograph to set the white balance for a whole collection of photos. Does Gimp have this function to use grey card as well and if so how do I do it? This will really help me decide which software to buy.

Thanks very much!

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  Can a Custom Pencil Brush include Transparency?
Posted by: pha3z - 05-21-2019, 07:24 PM - Forum: General questions - Replies (4)

I've created a custom brush of some grass blades.  They are full color.  Because they are so small (sub pixel), it's essential that they have transparency in order to blend properly when I paint them.

However, it appears that transparency is ignored when I use the brush with the Pencil tool.   It works fine when I use the Brush tool.  However, there's a problem with that.

The Brush tool appears to do some kind of subpixel sampling in an attempt to make a brush appear to be centered exactly where you click.  This means if you created a brush image that needs to be stamped so that exact per-pixel detail matches the brush as it was originally created, you can't.  It gets distorted along the edges.  Sometimes, the distortion is quite significant.

On the other hand, the pencil tool acts like an exact pixel-per-pixel map that "stamps" the exact brush shape without any distortion or alteration. I need the exact pencil mapping, but it appears to ignore transparency in the brush image.

Is there a configuration setting I'm missing?

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  Where do I save my Brushes on Windows 10?
Posted by: pha3z - 05-21-2019, 05:31 PM - Forum: Windows - Replies (2)

I looked in:
C:\Users\James\AppData\Local\GIMP\2.10

But there's no Brushes folder.  Is it somewhere else?  I just need to know how/where to save my custom brushes.

I'm moving from Photoshop, because I'm sick of the fact that Photoshop won't let me create full color brushes to simulate stamping with tranparency.  It was GIMP or Paint Shop Pro, so I'm trying GIMP first. Smile

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  Copy colored text.
Posted by: davebirnie - 05-21-2019, 03:31 PM - Forum: General questions - Replies (2)

Hello, 

I am trying to copy a layer which contains colored text to another project. 

When I do this via "Open as layers" it comes out black and white. 

How do I do it properly? 

Thanks

Images as attachment.


Fixed,

if you are interested set Image> Mode> RGB
before you copy your layer into the project. My project was set to indexed.



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  How do you make a ring thinner?
Posted by: Hoot - 05-20-2019, 06:26 AM - Forum: General questions - Replies (3)

Greetings.

Seems like a basic function and run into it a lot but haven't found a tutorial yet. Basically, I want to make a ringed object thinner so it doesn't lose its size, just needs to be narrower. Is there a way to do this?

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  GMIC QT problems
Posted by: dhugg - 05-19-2019, 05:12 PM - Forum: Extending the GIMP - Replies (3)

hello,

i am using gimp 2.8 on windows xp sp3.

i have no problem installing using and understanding gmic-gtk.

however i have tried everything suggested to get gmic-qt working but cant get it to load and appear??

i have tried installer and zip package.

i have tried to include screen shots.

any help is appreciated...

thanks dhugg



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  a little help needed please
Posted by: crause - 05-18-2019, 09:16 PM - Forum: General questions - Replies (2)

I am switching over to Gimp from another edit program and could use a little help. I take photographs of rescue dogs to post onto adoption websites, mostly for Labs4rescue. The main thing I do is to remove the leashes from the photo and do a little cropping. I can't figure out how to do that on this program. I can not access the user manual it says that something crashed and to restart my computer. That didn't help. In the previous program I used, I would put the cursor on an area that I wanted to copy and then use the brush to cover over the leash. This worked great. Can anyone teach me how to do this on Gimp?
I thank you and all of the dogs looking for forever homes thank you. Huh

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  Photographs to web and print resolution
Posted by: OWhatAThrill - 05-18-2019, 05:43 PM - Forum: General questions - Replies (4)

Hello all,
New to Gimp using 2.10.10. I have 25 photographs taken on my iPhone that I need to take and produce a set of files to be used on the web and then another set to be used for print on a home/office printer.  I understand I may be saving 25 files two times but as for actually resizing the files, I'm at a loss. Appreciate any guidance whatsoever!

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  one reason more to use GIMP
Posted by: denzjos - 05-18-2019, 04:20 PM - Forum: Watercooler - Replies (2)

From now on, one can not use older versions of photoshop that one bought in the past !! So GIMP is now curtainly a good replacement for those with a small budget.

http://newsmonkey.be/article/94163

Denzjos

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  isolating areas of same colour
Posted by: dinasset - 05-18-2019, 11:46 AM - Forum: Scripting questions - Replies (8)

I do not remember whether this question was already discussed, hence I apologize in advance if so.
Assume an image has been "quantized" using mode indexed (then back to RGB).
The image shows -for example- areas of 8 different colors (if 8 was used while temporarily converting it to indexed).
But the number of separated color areas is often as expected greater than 8, because there are areas of the same color not contiguous, for example again we see 12 separated areas.
Interactively one may use the fuzzy select tool to work on each separated area, but from inside a script I don't see an easy way to do the same, because the gimp_image_select_color considers all together -as expected- the areas having the same colors, and the gimp_image_select_contiguous_color requires an x,y identifying a pixel position.
Is there a way to access separately each area without using a complex scan of pixels in the image to identify each of the 12 separated areas? 
Many thanks.

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