I need to extract red cell tower from this image. What is the most effective way to remove background?

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I'm working on a huge (14'x8') image that I'm slicing down into individual standard US Letter size fragments. I need to export the layers created this way to a PDF with each layer as a page. When I do this, the individual pages it creates seem to keep the main canvas size of the huge image as the page size, rather than the boundary of each layer. Is there anything I can do to make each layer's boundary the size of its page in the PDF? I'd like to avoid having to manually crop each page, since there are 224 of them.

Thank you in advance!

Rather than creating multiple layers within GIMP to build animations with, I would like to be able to export multiple images with a naming system like sample_001.jpg, sample_002.jpg, sample_003.jpg etc.  The idea being, that each one will be the same image with the same filter applied, but each export will slightly modify one (or more) of the filters attributes.  For example, started with a normal image, and then on each export, applying a blur filter so that the first image is crystal clear, and the last image is max blur.  To do this manually, I can apply the blur filter -> export -> undo blur -> re-apply blur with a more intense setting -> export -> undo blur -> and so on.  Eventually having a folder of images with a "gradient" of blur applied to them collectively, which I can then import into a video editor to chain together.

I'm thinking I can use python for this, but haven't been able to find an example showing how that would be possible

I saw the option " Heal Transparency " under the " Enhance " menu just near to " Heal selection ". I have used " Heal selection " option but not sure what is the use of " Heal Transparency " ? Any tips will be great. Thanks.

I received a warning of red color from Google that 15 of my saved sites has leaked 
the password during a recent incident, which includes this site. I'd like to know
if other members here also experience the same issue??

I wanted to do something that I thought would be easier than it seems to be. Basically, I was hoping I could just simply make a rectangle selection (on a photo that has anywhere from 4 to 6 scanned photos from the scanner) and just right click each selection and export out. This doesn't seem possible, so I started making a macro that basically: Copies selection, pastes copy to new image, and then exports. The problem I now run into is that when it says "there's already a file with this name", it only has the option to Cancel or Manually Rename. There's simply no option to "save a copy" (incremental file name), so now every save needs manually renamed. I'd be totally fine with just "Untitled-0001", "Untitled-0002", etc. and without having to type it in every time.

I started getting a headache trying to script my macro to insert the current date and time at the naming screen instead of forcing me to manually type it in every time. 

Is there some easier way to go about this? The most simple way I was expecting was to just:
1. Ability to export current selection. 
2. Export with incremental naming capabilities whether in series or by current date & time.

Any help would be appreciated! I have boxes and boxes of photos to do this with.

Hello everyone,

I'm trying to create a book mockup. The mockup template is a PSD file which opens fine in Gimp. The cover image needs to be pasted into a layer with a mask.

I found a tutorial video which shows this step very easily in Photoshop: https://youtu.be/QqrMKLwmxMs?t=195

I wonder if this step is also possible with Gimp?

Thanks

Greetings! I am an intern in the cultural heritage sector and need to color correct photos with a Kodak color checker reference bar in the frame. For a short term fix I used Levels to improve some of the images. For the long term I would like to learn the right way to use the color info in the color reference bar to do systematic color correction in GIMP. 

I did web and forum searches with permutations of "color checker" "color reference" etc, but couldn't find any GIMP tutorials. I know how to do this in Photoshop, but I prefer to do as much graphics work as possible in GIMP. Thank you for your assistance!

- JCB

what I am trying to do is insert a text gif into another gif and when I do so once I play the gif the text dissolves away and I want it to all go away immediately after the frame I anchored it to.
my process is I open my space gif then I go into layers right click and add new layer and then I usually copy and paste the text gif into that layer then I anchor/merge layer down.

attached is what I am talking about, I really appreciate the help.

I am a complete newbie, thanks in advance

   

Align Tool: Distribute targets evenly in the horizontal

In using this tool I cannot get the targets to distribute with equal gaps (spacing) between the targets.  

To be honest, I am not even certain that the tool is designed to do this, as I am not exactly sure what "evenly in the horizontal" means.

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I have four targets (on four different layers).  Each of the targets is the same height, but are different widths.  If I select all of the targets and choose "Distribute targets evenly in the horizontal" the targets are distributed, but the distance/spacing between the targets appears to be based (more or less) on the width of the one target with the widest width.  

   

In the Attachment example the four images that I am trying to evenly gap/space apart are the four on the top row.  In relation to the selection shown faintly in white.  Ideally, the first image (on the far left) would have its left edge against the left edge of the selection, the last image (on the far right) would have its right edge against the right edge of the selection, and the other two would be evenly gapped/spaced apart.  Actually, all of them would be evenly gapped/spaced apart (regardless of their widths).

Does anyone know how to achieve this?  If not native to GIMP, is there a plug-in that can do this?

Thank you!!