snibgo

You have `-channel G` but that is misleading as the channels are not R, G and B. I suggest using `-channel 1` instead. The effect is the same, but it...

> If viewed using Finder, the thumbnail of the test2 image has black border, which is wrong. What thumbnail? Your IM command did not make a thumbnail. Perhaps that was...

Perhaps Finder, or whatever makes the thumbnail, expects its PNG to have 3 colour channels. Try the `PNG32:` prefix to the output file: ``` magick -size 512x512 -background silver -pointsize...

> how can we determine whether the coalesce option is available? The option is always available. But it may not always be useful. It is only useful when we have...

> However, for certain images, such as those with -rotate 45, the coalesce option will break the image. `-rotate 45` sets metadata for a virtual page, with offsets. I suggest...

Try this: ``` magick -colorspace sRGB YLS_vert_cmyk_rev_en.eps out.png ``` `out.png` then has white text on a transparent white background. If you want to remove the transparency, for example to make...

Where `hrc8275.png` is my name for your posted PNG file, `exiftool hrc8275.png` says: ``` Warning : Truncated PNG image ``` So the file seems to be corrupt. IM is more...

For me, exiftool output is: ``` ExifTool Version Number : 12.13 File Name : hrc8275.png Directory : . File Size : 5.0 MiB File Modification Date/Time : 2024:11:11 13:22:28+00:00 File...

> Any insight into what might trigger this warning specifically could help in identifying a way forward. The exceptions are raised in coders/png.c, function png_get_data(), which is what reads data...

Perhaps your IMdisplay and magick are different versions of IM. IMdisplay v7.1.1-20 can't read the file. Perhaps your IMdisplay is older.