Search found 4 matches

by pnt103
2018-08-02T09:03:11-07:00
Forum: Users
Topic: Problem converting large JPGs
Replies: 7
Views: 3535

Re: Problem converting large JPGs

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 ------------------------------------------------------------------...
by pnt103
2018-08-02T08:57:18-07:00
Forum: Users
Topic: Problem converting large JPGs
Replies: 7
Views: 3535

Re: Problem converting large JPGs

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&q...
by pnt103
2018-08-02T08:02:35-07:00
Forum: Users
Topic: Problem converting large JPGs
Replies: 7
Views: 3535

Re: Problem converting large JPGs

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 ...
by pnt103
2018-08-01T09:48:30-07:00
Forum: Users
Topic: Problem converting large JPGs
Replies: 7
Views: 3535

Problem converting large JPGs

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 ...