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lboemanlboeman
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add the mappings from solarforecastarbiter-core as an example
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‎pvlib/iotools/midc.py

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@@ -3,6 +3,93 @@
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import pandas as pd
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# MIDC_VARIABLE_MAP maps some variables of interest at each MIDC site to their
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# pvlib counterparts. The mapping dictionary for a site can be found by looking
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# up the Site's id in the dictionary. It is not a comprehensive list, and may
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# not be the best fit for your application, but should serve as a base for
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# creating your own mappings.
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#
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# In particular, these mappings coincide with the raw ddata files.
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# All site's field list can be found at:
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# https://midcdmz.nrel.gov/apps/daily.pl?site=<SITE ID>&live=1
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# Where id is the key found in this dictionary
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MIDC_VARIABLE_MAP = {
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'BMS': {
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'Global CMP22 (vent/cor) [W/m^2]': 'ghi',
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'Direct NIP [W/m^2]': 'dni',
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'Diffuse CM22-1 (vent/cor) [W/m^2]': 'dhi',
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'Avg Wind Speed @ 6ft [m/s]': 'wind_speed',
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'Tower Dry Bulb Temp [deg C]': 'temp_air',
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'Tower RH [%]': 'relative_humidity'},
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'UOSMRL': {
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'Global CMP22 [W/m^2]': 'ghi',
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'Direct NIP [W/m^2]': 'dni',
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'Diffuse Schenk [W/m^2]': 'dhi',
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'Air Temperature [deg C]': 'temp_air',
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'Relative Humidity [%]': 'relative_humidity',
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'Avg Wind Speed @ 10m [m/s]': 'wind_speed'},
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'HSU': {
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'Global Horiz [W/m^2]': 'ghi',
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'Direct Normal (calc) [W/m^2]': 'dni',
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'Diffuse Horiz (band_corr) [W/m^2]': 'dhi'},
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'UTPASRL': {
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'Global Horizontal [W/m^2]': 'ghi',
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'Direct Normal [W/m^2]': 'dni',
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'Diffuse Horizontal [W/m^2]': 'dhi',
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'CHP1 Temp [deg C]': 'temp_air'},
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'UAT': {
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'Global Horiz (platform) [W/m^2]': 'ghi',
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'Direct Normal [W/m^2]': 'dni',
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'Diffuse Horiz [W/m^2]': 'dhi',
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'Air Temperature [deg C]': 'temp_air',
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'Rel Humidity [%]': 'relative_humidity',
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'Avg Wind Speed @ 3m [m/s]': 'wind_speed'},
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'STAC': {
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'Global Horizontal [W/m^2]': 'ghi',
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'Direct Normal [W/m^2]': 'dni',
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'Diffuse Horizontal [W/m^2]': 'dhi',
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'Avg Wind Speed @ 10m [m/s]': 'wind_speed',
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'Air Temperature [deg C]': 'temp_air',
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'Rel Humidity [%]': 'relative_humidity'},
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'UNLV': {
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'Global Horiz [W/m^2]': 'ghi',
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'Direct Normal [W/m^2]': 'dni',
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'Diffuse Horiz (calc) [W/m^2]': 'dhi',
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'Dry Bulb Temp [deg C]': 'temp_air',
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'Avg Wind Speed @ 30ft [m/s]': 'wind_speed'},
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'ORNL': {
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'Global Horizontal [W/m^2]': 'ghi',
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'Direct Normal [W/m^2]': 'dni',
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'Diffuse Horizontal [W/m^2]': 'dhi',
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'Air Temperature [deg C]': 'temp_air',
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'Rel Humidity [%]': 'relative_humidity',
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'Avg Wind Speed @ 42ft [m/s]': 'wind_speed'},
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'NELHA': {
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'Global Horizontal [W/m^2]': 'ghi',
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'Air Temperature [W/m^2]': 'temp_air',
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'Avg Wind Speed @ 10m [m/s]': 'wind_speed',
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'Rel Humidity [%]': 'relative_humidity'},
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'ULL': {
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'Global Horizontal [W/m^2]': 'ghi',
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'Direct Normal [W/m^2]': 'dni',
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'Diffuse Horizontal [W/m^2]': 'dhi',
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'Air Temperature [deg C]': 'temp_air',
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'Rel Humidity [%]': 'relative_humidity',
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'Avg Wind Speed @ 3m [m/s]': 'wind_speed'},
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'VTIF': {
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'Global Horizontal [W/m^2]': 'ghi',
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'Direct Normal [W/m^2]': 'dni',
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'Diffuse Horizontal [W/m^2]': 'dhi',
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'Air Temperature [deg C]': 'temp_air',
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'Avg Wind Speed @ 3m [m/s]': 'wind_speed',
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'Rel Humidity [%]': 'relative_humidity'},
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'NWTC': {
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'Global PSP [W/m^2]': 'ghi',
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'Temperature @ 2m [deg C]': 'temp_air',
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'Avg Wind Speed @ 2m [m/s]': 'wind_speed',
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'Relative Humidity [%]': 'relative_humidity'}}
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# Maps problematic timezones to 'Etc/GMT' for parsing.
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TZ_MAP = {
@@ -95,6 +182,7 @@ def read_midc(filename, variable_map={}, raw_data=False):
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'Global Horizontal [W/m^2]': ghi,
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}
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See the MIDC_VARIABLE_MAP for collection of mappings by site.
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For a full list of pvlib variable names see the `Variable Style Rules
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<https://pvlib-python.readthedocs.io/en/latest/variables_style_rules.html>`_.
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‎pvlib/test/test_midc.py

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@@ -68,6 +68,8 @@ def test_read_midc_var_mapping_as_arg(test_mapping):
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def test_read_midc_raw_data_from_nrel():
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start_ts = pd.Timestamp('20181018')
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end_ts = pd.Timestamp('20181019')
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data = midc.read_midc_raw_data_from_nrel('UAT', start_ts, end_ts)
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assert 'Direct Normal [W/m^2]' in data.columns
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var_map = midc.MIDC_VARIABLE_MAP['UAT']
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data = midc.read_midc_raw_data_from_nrel('UAT', start_ts, end_ts, var_map)
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for k,v in var_map.items():
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assert v in data.columns
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assert data.index.size == 2880

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