[yt-users] Loading RAMSES Data into yt.

[Matthew Turk]

Hi Kearn,

Not a dumb question at all!  You should be able to run this command:

cd $YT_DEST/src/yt-hg
hg pull -r tip http://bitbucket.org/yt_analysis/yt-3.0
hg up -C yt-3.0

We do have a "yt update" command but I want to make sure it does
precisely this, so it'd be best if you ran it.

-Matt

On Wed, Oct 30, 2013 at 1:37 PM,  <k.grisdale at surrey.ac.uk> wrote:
> This is probably a dumb question but how do I update yt?
>
> Thanks
>  Kearn
>
>> On 30 Oct 2013, at 17:35, "Matthew Turk" <matthewturk at gmail.com> wrote:
>>
>> Hi Kearn,
>>
>> Did you update yt?  If so, it should have given at least a better error message.
>>
>> cd $YT_DEST/src/yt-hg
>> hg pull -r tip http://bitbucket.org/yt_analysis/yt-3.0
>> hg up -C yt-3.0
>>
>>
>> -Matt
>>
>>> On Wed, Oct 30, 2013 at 1:29 PM,  <k.grisdale at surrey.ac.uk> wrote:
>>> Hi,
>>>
>>> I completed a new run in RAMSES using the new version of the code and go the same results again.
>>>
>>>>>> from yt.mods import *
>>>>>> pf =  load("output_00001/info_00001.txt") Traceback (most recent call last):
>>>  File "<stdin>", line 1, in <module>
>>>  File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/convenience.py", line 76, in load
>>>    if c._is_valid(*args, **kwargs): candidates.append(n)
>>>  File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/frontends/art/data_structures.py", line 427, in _is_valid
>>>    amr_header_vals = read_attrs(fh, amr_header_struct, '>')
>>>  File "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/utilities/fortran_utils.py", line 62, in read_attrs
>>>    vals = list(struct.unpack(net_format, f.read(size)))
>>> struct.error: unpack requires a string argument of length 892
>>>
>>> Is there anything else I can try?
>>>
>>> Thanks
>>>
>>> Kearn
>>>> On 30 Oct 2013, at 17:02, Matthew Turk <matthewturk at gmail.com> wrote:
>>>>
>>>> Hi Kearn,
>>>>
>>>> I think Romain's suggestion is likely going to fix the issue, but I
>>>> also just pushed a change that will show the error differently and in
>>>> a more informative way.  ("hg pull
>>>> http://bitbucket.org/yt_analysis/yt-3.0 && hg up" in your yt-hg
>>>> directory will fix it.)
>>>>
>>>> -Matt
>>>>
>>>>> On Wed, Oct 30, 2013 at 12:39 PM,  <k.grisdale at surrey.ac.uk> wrote:
>>>>> Hi,
>>>>>
>>>>> I have been trying to load RAMSES data into yt 2.5. Orginaly it was loading
>>>>> in but the graphs I was able to produce didn’t make sense.  So I tried to
>>>>> change to yt3 using the commands
>>>>>
>>>>> cd $YT_DEST/src/yt-hg/
>>>>> hg pull http://bitbucket.org/yt_analysis/yt-3.0
>>>>> hg up -C yt-3.0
>>>>> python2.7 setup.py build_ext -i -f
>>>>>
>>>>> The commands appear to have worked. But when I try to use yt to load in
>>>>> RAMSES data I now get this error:
>>>>>
>>>>>
>>>>> Traceback (most recent call last): File
>>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/gui/reason/basic_repl.py",
>>>>> line 81, in execute exec code in self.locals File "", line 1, in File
>>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/convenience.py", line 76, in
>>>>> load if c._is_valid(*args, **kwargs): candidates.append(n) File
>>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/frontends/art/data_structures.py",
>>>>> line 427, in _is_valid amr_header_vals = read_attrs(fh, amr_header_struct,
>>>>> '>') File
>>>>> "/Applications/Code/yt/yt-x86_64/src/yt-hg/yt/utilities/fortran_utils.py",
>>>>> line 62, in read_attrs vals = list(struct.unpack(net_format, f.read(size)))
>>>>> error: unpack requires a string argument of length 892
>>>>>
>>>>>
>>>>> Any idea what I need to do?
>>>>>
>>>>> Thanks
>>>>>
>>>>> Kearn
>>>>>
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