The Rockstar format itself changed. There is enough metadata in the
headers to distinguish the old and new versions, but the logic to
decipher which version the file is in has not been implemented.
On Sun, Aug 3, 2014 at 3:46 PM, Britton Smith
Hi all,
I've run into an issue where rockstar catalogs that were generated before the SDF PR was merged no longer load correctly in the current tip of yt. I believe we actually saw this the other day when the rockstar dataset on yt-project.org/data was being used to show an example of annotate_halos in the docs and was producing obviously incorrect results. The problem went away after a new catalog was generated with the same script.
If anyone has any insight into what might have changed in the rockstar output and frontend to make them incompatible with those that existed before the SDF PR, please let me know. If it helps, here is a simple script that can be run on the enzo_tiny_cosmology data. http://paste.yt-project.org/show/4986/
Thanks, Britton
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