Legacy ImageMagick Discussions Archive

Yes, my IM does show the pixel dimension data of your file. I guess that settles it: if identify -verbose does not show pixel dimensions, they are not specified in the PNG file.

That data seems to be really missing in my case. Below are two snippets from the output of
magick identify -verbose myfile.png

Top lines:
Image: myfile.png
Format: PNG (Portable Network Graphics)
Mime type: image/png
Class: DirectClass
Geometry: 4x3+0+0
Units: Undefined
Type: PaletteAlpha ...

Snibgo, thank you for the thorough answers, and I am glad to know that IM respects pixel dimensions in processing.

I checked the output of "identify -verbose" again, but I do not see a "png:pHYs:" line. Perhaps that's because I run IM on Windows? Anyway, that is a different subject.

Hello,

I have a PNG file that is supposed to have non-square pixels. Is there a way to check if that is true? I can not rely on PNG viewers because they are at liberty to present non-square pixels as square, as per the PNG spec .

I have tried the identify command line tool but it does not seem to ...