Hi Louis-
No problem doing command line conversion of an rgb to either jpg or gif in terms of error messages. However, the converted files are scrambled. Might there be a dependency on which ImageMagick relies which still in place, but corrupted? I was under the impression ImageMagick was self-contained.
This is a real mystery
-Wil
-----Original Message----- From: Louis Nicholas Vinke [mailto:vinke@nmr.mgh.harvard.edu] Sent: Tuesday, January 08, 2013 6:29 PM To: Irwin, William Cc: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] QA Tools Snaps Scrambled
Hi Irwin, It sounds like the snapshots from tksurfer are fine, but the ones from tkmedit are not being generated properly. It may be this peculiar bug where ImageMagick has trouble reading rgb files. Try converting an rgb file to a jpg 'convert file.rgb file.jpg'. You may get the error 'Improper image header'. The tksurfer tcl script saves tiff files, the tkmedit tcl script saves rgbs, which may explain why some images are fine. -Louis
On Tue, 8 Jan 2013, Irwin, William wrote:
Hi-
I’ve come across a peculiar behavior with recon_checker, and am hoping someone can shed some light on this.
I have used it 100’s of times in the past, but not for about 2 months. I recently processed a large set of cases I wanted to QC. When I ran it, some, but not all, of the snaps were corrupted. Specifically the talairach, aseg, surfs, and all the ‘detailed snaps’, which are basically additional instances of the aforementioned types. The inflated, curv, and parc are all just fine. As the process runs, all images are being displayed in the pop-up windows, and the html page is created.
While there have been no system changes which should affect this, I upgraded from ImageMagick 6.5.4 to 6.8.1 to see if this would fix the problem. The problem remains. And the problem remains w/ or w/o the flag for detailed snaps.
If all of the images were corrupted, I would have certainly concluded something has gone awry with my system. The fact that only some of the images are corrupted makes me scratch my head.
Thoughts? Suggestions?
Thanks,
Wil
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