Legacy ImageMagick Discussions Archive

That's great; thank you!

Were you able to duplicate this? I just downloaded svn trunk, and stream still outputs nothing but null bytes.

(As I mentioned in my second post, it's not TIFF64-specific; that was an irrelevant detail as it turns out.)

It's the stream utility, and also happens with small PNGs. With ImageMagick-6.7.9-10: $ identify 27277-small.png 27277-small.png PNG 844x381 844x381+0+0 8-bit DirectClass 549KB 0.000u 0:00.000 $ stream -map rgb -storage-type char -extract 400x300+0+0 27277-small.png'[0]' - | hexdump 0000000 0000 ...

Upon upgrading from 6.7.8-7 to 6.7.9-9 my parallel tiling script started producing black tiles. Reverting to 6.7.8-7 fixes the problem; I also installed 6.7.9-10 to confirm that it still exhibits the same issue (it does). I'm using the stream utility to read strips from very large files (usually ...

That's perfect; thank you!

I'm working with some raw grayscale image data currently, and I'm a little new to reading raw data. While initially trying to read these files, I was getting solid black images, and I thought I had the wrong arguments until I added -auto-level and the image finally appeared. That would be good ...

SVS is really just a pyramidal (multipage) TIFF file. You can see the pages and their dimensions using the identify command. ImageMagick can read most of them, but we've found the newer ones use JPEG2000 compression and cannot be read with libtiff. If you want to work with the largest image in an ...

Great, thanks for the quick fix!

stream is segfaulting while reading certain multipage TIFF files. I was using it to pipe input to convert for reading very large files. If I convert them to vips (raw) and back to TIFF using raw2tiff (from libtiff), then stream reads them just fine. The file used to generate the debugging output ...

Try the montage command:

http://www.imagemagick.org/script/montage.php
http://www.imagemagick.org/Usage/montage/

You can adjust the borders/width between images, what order, how many rows/columns, etc.

Instead of doing it the "*.bmp" way, I did it with a Bash shell for loop.

But I'd still be interested if this is possible to do in an image stack... you know... for my own edification.

I have several hundred images with a gradient background and a logo in the left corner. I'd like to remove the logo by copying the background in the right corner and pasting it over the logo in the left corner. At least, that's how I'd do it in photo editing software. Can I do this without using ...

Okay, this is the first time I've used gdb (I'm not a real programmer); is this what you need? $ identify t11_40xr.fpx & [1] 24059 $ gdb identify 24059 GNU gdb 6.8 Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is ...

I may have spoken too soon. The previous file opens, now I have a few that won't. I see that the 1.3.0-1 version is now on the FTP server, and I have upgraded to it. Same deal as before; IM locks up. These two won't open: http://virtualslides.psu.edu/tmp/t11_40xr.fpx http://virtualslides.psu.edu/tmp ...

I upgraded both packages, and now there is no problem. The latest versions in Gentoo's portage repository for ImageMagick and libfpx were 6.5.2-9 and 1.2.0-9, respectively. Usually portage has the most "bleeding edge" versions; this time I had to make my own overlays to reflect the latest sources ...