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Murray664

: Please recommend an ideal software to combine several figures into one figure I have three plots in png format and want them to be combined into one png file, aligned side-by-side in a line.

@Murray664

Posted in: #Png

I have three plots in png format and want them to be combined into one png file, aligned side-by-side in a line. The original png files might have quite wide white boundaries and I hope they can be optimizedly cropped when the software reads them in. I hope the software provides mouse support so that I can allign/resize these plots as I wish. I also hope the generated file would not lose their resolution. I know under mac there is such a tool (may not crop the white area), but don't know whether similar tools exist under windows or linux.

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@Sarah814

Nearly all photo editig tools do this. Photoshop belong to the high end and it costs real money, but it still is the industry standard. Gimp is freeware and its also has pro quality capablities. And in low end commercial software, there are many others, for example Affinity Photo

You can run free demo versions of the commercial software to see, what is suitable for you. Watch the tutorials to get started fast.

The workflow:


open the photos and crop the extras off
Check the pixel dimensions of your photos - the interesting areas must be the same plusminus 50% Otherwise it's possible that you must enlargen one too much and that can make it unsharp.
create an empty new document that has the wanted total pixel dimensions
copy your photos to independent new layers onto the empty one
move and finetune the sizes as you will
combine the layers to one (do not flatten, only merge if you like to save the transparency)
save as PNG

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