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I have a set of 1000 maps with differing height/width ratio which I export to a fixed frames of 16000x11000 pixels.
As a result, the new images have stripes of differing width at the top and the bottom. I can color those strips any way I want.
What I need is to resize the image so that the stripes are removed.
From:
To:
I can do it one by one by hand, but that's a long process, and if done precise to the pixel even longer, so I thought that might be automated somehow.
The Trim command is what you want to use.
This could easily be recorded as an action and run on a folder full of images in Bridge.
You created these images from the maps with resolution of 16000x11000 pixels. This created the blue color stripes because of their different aspect ratio. This means you created the problem. :)
What you have to do is use an image resizing tool and just tell it to resize the maps to that resolution without taking in consideration the aspect ratio. I don't know if we can recommend software here but I use FastStone Photo Resizer. It can do a lot of stuff like resizing, rotating, cropping etc. Just import all the maps and resize them to your desired size but they will be a bit stretched. If you do care about the aspect ratio, then I would write a PHP script, where I have 1 empty grayish noisy background (as in your maps), then make PHP paste the maps in the middle and output a new file. It might not be what you expected but you can write this script and run it on your computer using WAMP. Trust me, it's worth it for 1000 maps. It's a few lines of code that can make this happen.
