Search found 4 matches
- 2017-05-11T08:35:10-07:00
- Forum: Users
- Topic: non-square pixels in PNG
- Replies: 7
- Views: 5337
Re: non-square pixels in PNG
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.
- 2017-05-11T06:22:41-07:00
- Forum: Users
- Topic: non-square pixels in PNG
- Replies: 7
- Views: 5337
Re: non-square pixels in PNG
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 Base type ...
- 2017-05-11T01:43:14-07:00
- Forum: Users
- Topic: non-square pixels in PNG
- Replies: 7
- Views: 5337
Re: non-square pixels in PNG
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.
- 2017-05-10T09:22:17-07:00
- Forum: Users
- Topic: non-square pixels in PNG
- Replies: 7
- Views: 5337
non-square pixels in PNG
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 ...