[GPlates-discuss] Large rasters in GPlates 1.3 and GPML
john.cannon at sydney.edu.au
Tue Nov 12 11:31:29 AEDT 2013
Thanks for reporting the problem.
Can you upload (or tell me where to get) that 65Mb raster ?
I'd like to try to reproduce the problem - it sounds like an issue in 1.3 since the same raster loads fine in 1.1.1 and 1.2.
Also I'm interested if Sabin's suggestion of deleting the '.cache' files and re-importing helped.
And if you've got a crash log I can look at that would be great.
And which GPlates 1.3 build were you using (eg, 32-bit or 64-bit Mac, etc) ?
And whether you used the same computer to load that 65Mb raster for 1.1.1, 1.2 and 1.3 (this helps determine if it's a graphics hardware specific issue) ?
From: gplates-discuss-bounces at mailman.sydney.edu.au [gplates-discuss-bounces at mailman.sydney.edu.au] on behalf of Sabin Zahirovic [sabin.zahirovic at sydney.edu.au]
Sent: Monday, 11 November 2013 9:40 PM
To: GPlates general discussion mailing list; GPlates general discussion mailing list
Subject: Re: [GPlates-discuss] Large rasters in GPlates 1.3 and GPML
I am unaware if the raster file size limit has been imposed. Today I loaded up a ~900 Mb netcdf grid of gravity anomalies into GPlates 1.3 and it worked fine. Could it be the memory limitations, or perhaps the graphics card having issues? I would try first deleting the existing GPlates cache files for this raster, and then re-import that raster using GPlates 1.3. If that does not work, perhaps you can send the crash log to one of the programmers. If at all possible, uploading the raster file itself would help reproduce the problem. But try the initial suggestions first.
The GPMLZ file is a compressed version of the GPML, so you are likely just seeing a whole bunch of hexadecimal code. To get the readable GPML, open the GPMLZ in GPlates, and save it out as a GPML using Manage Feature Collections > Save As > Select GPML and you should be fine.
Hope that helps!
MR SABIN ZAHIROVIC | PhD Candidate
School of Geosciences | Faculty of Science
THE UNIVERSITY OF SYDNEY
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E sabin.zahirovic at sydney.edu.au<mailto:sabin.zahirovic at sydney.edu.au> | W http://www.earthbyte.org<http://www.earthbyte.org/>
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From: Lester Anderson <arctica1963 at gmail.com<mailto:arctica1963 at gmail.com>>
Reply-To: GPlates general discussion mailing list <gplates-discuss at mailman.sydney.edu.au<mailto:gplates-discuss at mailman.sydney.edu.au>>
Date: Monday, 11 November 2013 9:35 pm
To: GPlates general discussion mailing list <gplates-discuss at mail.usyd.edu.au<mailto:gplates-discuss at mail.usyd.edu.au>>
Subject: [GPlates-discuss] Large rasters in GPlates 1.3 and GPML
I have a large raster file (~65 Mb) which will load and run fine in 1.1.1 and 1.2, but with 1.3 it will crash the program. Is there an upper limit on raster sizes that can be used?
Secondly, the GPML format has changed to a format that can no longer be read in an editor (it is a binary file) as GPMLZ - has the whole thing been reorganized?
It is no longer possible to check the GPML file for errors as before.
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