[yt-users] Not able to read 2D BoxLib files

[Mani Chandra]

Thanks Nathan! That looks like a good place to start.


On Wed, Jul 24, 2013 at 12:29 AM, Nathan Goldbaum <nathan12343 at gmail.com>wrote:

> Hi Mani,
>
> Take a look at this pull request from Matt:
> https://bitbucket.org/yt_analysis/yt/pull-request/501/consolidation-of-boxlib-frontends
>
> I suspect it will be a lot easier to write a frontend using this new
> framework.  I think there are still a few minor issues to work out (that's
> why it's not in the codebase yet) but it should be a good place to start.
>
> Andrew and Matt should have more information about this.
>
> -Nathan
>
>
> On Tue, Jul 23, 2013 at 10:27 PM, Mani Chandra <mc0710 at gmail.com> wrote:
>
>> Hi Andrew,
>>
>> This is a code which I'm writing now using the BoxLib framework, so it is
>> not exactly any of Nyx, Castro, Maestro or Orion. But I thought that since
>> they all use BoxLib, I could simply use any of those frontends (although
>> those frontends require a lot of parameters specific to those codes, which
>> I just commented out).
>>
>> So I guess I'll have to write a frontend then.
>>
>> Thanks,
>> Mani
>>
>>
>> On Wed, Jul 24, 2013 at 12:21 AM, Andrew Myers <atmyers2 at gmail.com>wrote:
>>
>>> Hi Mani,
>>>
>>> To my knowledge, no one has ever used yt with 2D Orion data. I'm not
>>> sure if any of the other BoxLib codes support 2D. I think the reason the
>>> Orion code is getting called is because yt can tell your dataset uses
>>> BoxLib, but not that it belongs to any of the other BoxLib-based codes
>>> (Nyx, Castro, or Maestro), so it falls back to Orion.
>>>
>>> What simulation code generated this dataset? If it's not one of Nyx,
>>> Castro, Maestro, or Orion, then you'll probably need to write a new
>>> frontend for your data.
>>>
>>> -Andrew Myers
>>>
>>> On Tue, Jul 23, 2013 at 7:50 PM, Mani Chandra <mc0710 at gmail.com> wrote:
>>>
>>>> Hi Everyone,
>>>>
>>>> I'm trying to load a 2D BoxLib file into yt. It looks like it is using
>>>> the same code as the Orion frontend and it fails with the following error:
>>>>
>>>> /home/mc/Downloads/yt/yt-x86_64/src/yt-hg/yt/data_objects/static_output.pyc
>>>> in hierarchy(self)
>>>>     191                 raise RuntimeError("You should not instantiate
>>>> StaticOutput.")
>>>>     192             self._instantiated_hierarchy =
>>>> self._hierarchy_class(
>>>> --> 193                 self, data_style=self.data_style)
>>>>     194         return self._instantiated_hierarchy
>>>>     195     h = hierarchy  # alias
>>>>
>>>> /home/mc/Downloads/yt/yt-x86_64/src/yt-hg/yt/frontends/orion/data_structures.py
>>>> in __init__(self, pf, data_style)
>>>>     119         self.data_style = data_style
>>>>     120
>>>> --> 121
>>>> self.readGlobalHeader(header_filename,self.parameter_file.paranoid_read) #
>>>> also sets up the grid objects
>>>>     122         self.__cache_endianness(self.levels[-1].grids[-1])
>>>>     123         AMRHierarchy.__init__(self,pf, self.data_style)
>>>>
>>>> /home/mc/Downloads/yt/yt-x86_64/src/yt-hg/yt/frontends/orion/data_structures.py
>>>> in readGlobalHeader(self, filename, paranoid_read)
>>>>     194         self.dimension =
>>>> int(self.__global_header_lines[counter])
>>>>     195         if self.dimension != 3:
>>>> *--> 196             raise RunTimeError("Orion must be in 3D to use
>>>> yt.")*
>>>>     197         counter += 1
>>>>     198         self.Time = float(self.__global_header_lines[counter])
>>>>
>>>> Has anyone managed to load 2D Orion files into yt?
>>>>
>>>> Thanks,
>>>> Mani
>>>>
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