Legacy ImageMagick Discussions Archive

Your policy.xml has all lines commented-out. What does "convert -list resource" say? Yes, I realised that just before you posted. For the sake of completeness: $ convert -list resource File Area Memory Map Disk Thread Time ...

Oh, spit. Sorry, guys, it's too hot here, and I only just realised that policy has all the relevant parts commented out. And apparently that was the problem. I edited it to remove the comments and adjust the values, and now I can do what I want. I've not tried everything, but "so far, so good ...

Thank you replying so quickly. "convert -list format" just lists (a lot of) formats without giving versions: JPEG* JPEG rw- Joint Photographic Experts Group JFIF format (80) JPG* JPEG rw- Joint Photographic Experts Group JFIF format (80) JPX* JP2 rw- JPEG-2000 File Format Syntax My libjpg is /usr ...

I'm trying to resize several large B&W images using convert, but it keeps core-dumping. Small files work OK, though. Typical image file is around 12MB, 19200 x 13100 pixels, 16-bit greyscale, JPG format. This is using ImageMagick 6.6.9-7 on a machine running Ubuntu 12.04.5 LTS, with 6GB RAM and 1 ...