[yt-users] Runtime Error: unitsystem cgs unrecognized

[Patrick Rieser]

Hi John,

The files are from FLASH3. Ah and by the way, I am using the yt-dev 
version, updated some hours ago.

Here is the main script:
http://paste.yt-project.org/show/2877/

and here the field is defined:
http://paste.yt-project.org/show/2878/

I did split my program in way too many modules, so if I should upload 
all scripts somewhere, just tell me!

Best wishes,
Patrick


Am 15.11.2012 21:43, schrieb John ZuHone:
> Hi Patrick,
>
> How old is your file, by chance? FLASH3? FLASH2?
>
> Also, if you don't mind, can you paste the script somewhere too?
>
> Thanks,
>
> John Z
>
> On Nov 15, 2012, at 3:41 PM, Patrick Rieser wrote:
>
>> Hey all!
>>
>> When I try to call my own added field magB I get a runtime error saying that the cgs unitsystem is
>> unrecognized. When I insert pf["unitsystem"] == "cgs" directly before the call where the traceback
>> starts, it returns true.
>>
>>
>> Best wishes,
>> Patrick
>>
>>
>>
>> I add the field with:
>>
>> def _magB(field,data):
>>     return (na.sqrt(data["Bx"]**2 + data["By"]**2 + data["Bz"]**2))
>> add_field("magB", function=_magB, units=r"\rm{Gauss}")
>>
>> and then call:
>>
>> rad_profile.add_fields("magB")
>>
>> Traceback:
>>
>>   File "rad_profile_magb.py", line 100, in <module>
>>     rad_profile.add_fields("magB")
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/profiles.py", line 170, in add_fields
>>     self._unlazy_add_fields(fields, weight, accumulation)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/profiles.py", line 151, in _unlazy_add_fields
>>     accumulation, self._args, check_cut = False)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/profiles.py", line 55, in save_state
>>     tr = func(*args, **kwargs)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/profiles.py", line 264, in _bin_field
>>     source_data = self._get_field(source, field, check_cut)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/profiles.py", line 204, in _get_field
>>     data.append(source[field][pointI].ravel().astype('float64'))
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 328, in __getitem__
>>     self.get_data(key)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 2593, in get_data
>>     if self._generate_field(field):
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 358, in _generate_field
>>     self[field] = self.pf.field_info[field](self)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/field_info_container.py", line 378, in __call__
>>     dd = self._function(self, data)
>>   File "/home/patrick/Auswertung/yt-bit/Plot/common_fields.py", line 7, in _magB
>>     return (na.sqrt(data["Bx"]**2 + data["By"]**2 + data["Bz"]**2))
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 328, in __getitem__
>>     self.get_data(key)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 2593, in get_data
>>     if self._generate_field(field):
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 358, in _generate_field
>>     self[field] = self.pf.field_info[field](self)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/data_objects/field_info_container.py", line 378, in __call__
>>     dd = self._function(self, data)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/frontends/flash/fields.py", line 357, in _Bx
>>     factor = GetMagRescalingFactor(data.pf)
>>   File "/home/patrick/Programme/yt-x86_64/src/yt-hg/yt/frontends/flash/fields.py", line 353, in GetMagRescalingFactor
>>     "value %s is unrecognized" % pf['unitsystem'])
>> RuntimeError: Runtime parameter unitsystem withvalue cgs is unrecognized
>>
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