def create_extended_parsed_contexts(self):
contexts, funcs = self.create_parsed_params()
expr, expr_id = funcs['density_L2']
density_lookup_map = {'conductivity':'conductivity_L1', 'temp':'temp_L1', 'pressure':'pressure_L1', 'lat':'lat_lookup', 'lon':'lon_lookup'}
expr.param_map = density_lookup_map
density_lookup_ctxt = ParameterContext('density_lookup', param_type=ParameterFunctionType(expr), variability=VariabilityEnum.TEMPORAL)
density_lookup_ctxt.uom = 'kg m-3'
density_lookup_ctxt_id = self.dataset_management.create_parameter_context(name='density_lookup', parameter_context=density_lookup_ctxt.dump(), parameter_function_id=expr_id)
self.addCleanup(self.dataset_management.delete_parameter_context, density_lookup_ctxt_id)
contexts['density_lookup'] = density_lookup_ctxt, density_lookup_ctxt_id
lat_lookup_ctxt = ParameterContext('lat_lookup', param_type=ConstantType(QuantityType(value_encoding=np.dtype('float32'))), fill_value=-9999)
lat_lookup_ctxt.axis = AxisTypeEnum.LAT
lat_lookup_ctxt.uom = 'degree_north'
lat_lookup_ctxt.lookup_value = 'lat'
lat_lookup_ctxt.document_key = ''
lat_lookup_ctxt_id = self.dataset_management.create_parameter_context(name='lat_lookup', parameter_context=lat_lookup_ctxt.dump())
self.addCleanup(self.dataset_management.delete_parameter_context, lat_lookup_ctxt_id)
contexts['lat_lookup'] = lat_lookup_ctxt, lat_lookup_ctxt_id
lon_lookup_ctxt = ParameterContext('lon_lookup', param_type=ConstantType(QuantityType(value_encoding=np.dtype('float32'))), fill_value=-9999)
lon_lookup_ctxt.axis = AxisTypeEnum.LON
lon_lookup_ctxt.uom = 'degree_east'
lon_lookup_ctxt.lookup_value = 'lon'
lon_lookup_ctxt.document_key = ''
lon_lookup_ctxt_id = self.dataset_management.create_parameter_context(name='lon_lookup', parameter_context=lon_lookup_ctxt.dump())
self.addCleanup(self.dataset_management.delete_parameter_context, lon_lookup_ctxt_id)
contexts['lon_lookup'] = lon_lookup_ctxt, lon_lookup_ctxt_id
return contexts, funcs
def create_lookup_contexts(self):
contexts = {}
t_ctxt = ParameterContext('time', param_type=QuantityType(value_encoding=np.dtype('float64')))
t_ctxt.uom = 'seconds since 1900-01-01'
t_ctxt_id = self.dataset_management.create_parameter_context(name='time', parameter_context=t_ctxt.dump())
contexts['time'] = (t_ctxt, t_ctxt_id)
temp_ctxt = ParameterContext('temp', param_type=QuantityType(value_encoding=np.dtype('float32')), fill_value=fill_value)
temp_ctxt.uom = 'deg_C'
temp_ctxt_id = self.dataset_management.create_parameter_context(name='temp', parameter_context=temp_ctxt.dump())
contexts['temp'] = temp_ctxt, temp_ctxt_id
offset_ctxt = ParameterContext(name='offset_a', param_type=SparseConstantType(base_type=ConstantType(value_encoding='float64'), fill_value=fill_value))
offset_ctxt.uom = ''
offset_ctxt.lookup_value = 'offset_a'
offset_ctxt.document_key = ''
offset_ctxt_id = self.dataset_management.create_parameter_context(name='offset_a', parameter_context=offset_ctxt.dump())
self.addCleanup(self.dataset_management.delete_parameter_context, offset_ctxt_id)
contexts['offset_a'] = offset_ctxt, offset_ctxt_id
offsetb_ctxt = ParameterContext('offset_b', param_type=SparseConstantType(base_type=ConstantType(value_encoding='float64'), fill_value=fill_value))
offsetb_ctxt.uom = ''
offsetb_ctxt.lookup_value = 'offset_b'
offsetb_ctxt.document_key = 'coefficient_document'
offsetb_ctxt_id = self.dataset_management.create_parameter_context(name='offset_b', parameter_context=offsetb_ctxt.dump())
self.addCleanup(self.dataset_management.delete_parameter_context, offsetb_ctxt_id)
contexts['offset_b'] = offsetb_ctxt, offsetb_ctxt_id
offsetc_ctxt = ParameterContext('offset_c', param_type=SparseConstantType(base_type=ConstantType(value_encoding='float64'), fill_value=fill_value))
offsetc_ctxt.uom = ''
offsetc_ctxt.lookup_value = 'offset_c'
offsetc_ctxt.document_key = '$designator_OFFSETC'
offsetc_ctxt_id = self.dataset_management.create_parameter_context(name='offset_c', parameter_context=offsetc_ctxt.dump())
self.addCleanup(self.dataset_management.delete_parameter_context, offsetc_ctxt_id)
contexts['offset_c'] = offsetc_ctxt, offsetc_ctxt_id
func = NumexprFunction('calibrated', 'temp + offset', ['temp','offset'], param_map={'temp':'temp', 'offset':'offset_a'})
func.lookup_values = ['LV_offset']
calibrated = ParameterContext('calibrated', param_type=ParameterFunctionType(func, value_encoding='float32'), fill_value=fill_value)
calibrated.uom = 'deg_C'
calibrated_id = self.dataset_management.create_parameter_context(name='calibrated', parameter_context=calibrated.dump())
self.addCleanup(self.dataset_management.delete_parameter_context, calibrated_id)
contexts['calibrated'] = calibrated, calibrated_id
func = NumexprFunction('calibrated_b', 'temp + offset_a + offset_b', ['temp','offset_a', 'offset_b'], param_map={'temp':'temp', 'offset_a':'offset_a', 'offset_b':'offset_b'})
func.lookup_values = ['LV_offset_a', 'LV_offset_b']
calibrated_b = ParameterContext('calibrated_b', param_type=ParameterFunctionType(func, value_encoding='float32'), fill_value=fill_value)
calibrated_b.uom = 'deg_C'
calibrated_b_id = self.dataset_management.create_parameter_context(name='calibrated_b', parameter_context=calibrated_b.dump())
self.addCleanup(self.dataset_management.delete_parameter_context, calibrated_b_id)
contexts['calibrated_b'] = calibrated_b, calibrated_b_id
return contexts
def get_lookup_value(self,value):
placeholder = value.replace('LV_','')
document_key = ''
if '||' in placeholder:
document_key, placeholder = placeholder.split('||')
document_val = placeholder
placeholder = '%s_%s' % (placeholder, uuid4().hex)
pc = ParameterContext(name=placeholder, param_type=SparseConstantType(base_type=ConstantType(value_encoding='float64'), fill_value=-9999.))
pc.lookup_value = document_val
pc.document_key = document_key
ctxt_id = self.dataset_management.create_parameter_context(name=placeholder, parameter_context=pc.dump())
return ctxt_id, placeholder