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import os
from earthdiagnostics import cdftools
from earthdiagnostics.diagnostic import Diagnostic
from earthdiagnostics.utils import Utils, TempFile
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class MixedLayerSaltContent(Diagnostic):
"""
Compute mixed layer salt content
:original author: Virginie Guemas <virginie.guemas@bsc.es>
:contributor: Javier Vegas-Regidor<javier.vegas@bsc.es>
:created: February 2012
:last modified: June 2016
:param data_manager: data management object
:type data_manager: DataManager
:param startdate: startdate
:type startdate: str
:param member: member number
:type member: int
:param chunk: chunk's number
:type chunk: int
def __init__(self, data_manager, startdate, member, chunk):
Diagnostic.__init__(self, data_manager)
self.startdate = startdate
self.member = member
self.chunk = chunk
self.required_vars = ['so', 'mlotst']
self.generated_vars = ['scvertsum']
def __str__(self):
return 'Mixed layer salt content Startdate: {0} Member: {1} Chunk: {2}'.format(self.startdate, self.member,
self.chunk)
def generate_jobs(cls, diags, options):
"""
Creates a job for each chunk to compute the diagnostic
:param diags: Diagnostics manager class
:type diags: Diags
:param options: None
:return:
"""
if len(options) > 1:
raise Exception('The mixed layer salt content diagnostic has no options')
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for startdate, member, chunk in diags.exp_manager.get_chunk_list():
job_list.append(MixedLayerSaltContent(diags.data_manager, startdate, member, chunk))
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salinity_file = self.data_manager.get_file('ocean', 'so', self.startdate, self.member, self.chunk)
mlotst_file = self.data_manager.get_file('ocean', 'mlotst', self.startdate, self.member, self.chunk)
Utils.nco.ncks(input=mlotst_file, output=salinity_file, options='-A -v mlotst')
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cdftools.run('cdfmxlsaltc', input=salinity_file, output=temp)
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Utils.rename_variables(temp, {'x': 'i', 'y': 'j', 'somxlsaltc': 'scvsummlotst'}, False, True)
Utils.setminmax(temp, 'scvsummlotst')
self.data_manager.send_file(temp, 'ocean', 'scvsummlotst', self.startdate, self.member, self.chunk)