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opening the image leads to funny action - cannot see any thing but a black box - Printable Version

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+--- Thread: opening the image leads to funny action - cannot see any thing but a black box (/Thread-opening-the-image-leads-to-funny-action-cannot-see-any-thing-but-a-black-box)



opening the image leads to funny action - cannot see any thing but a black box - saint_m - 06-21-2026

opening the image leads to funny action - cannot see any thing but a black box

what is aimed: i want to work on a output of a scatterplot.  This should have a transparent background. but duhhh - i am not able to open it i n Gimp.

what goes wrong here ? 

look forward to hear from you 

[attachment=14490]


RE: opening the image leads to funny action - cannot see any thing but a black box - sallyanne - 06-22-2026

hm strange, some programs show transparency as black but you should display a checkered background in gimp to show transparency. What mode is your picture? Greyscale, indexed, rgb, or other?
To check this, once you have your picture opened in gimp, check 'image' in the top menu - mode and if it is any other put it to rgb. Oh, and make sure you have an alpha channel too. right click on your picture in the layers dialog and add alpha channel.
Found this here
https://www.gimp-forum.net/Thread-gimp-removes-transparency-from-pasted-image-and-turns-background-to-black


RE: opening the image leads to funny action - cannot see any thing but a black box - denzjos - 06-22-2026

Can you open the graphics file in another program, such as XnView? If you can, load and save the file from that program, it could be possible that the file is a little corrupt.