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| ''' | ||
| Creates Tide netcdf file ready for population | ||
| @author: Mr. Srikanth Nagella | ||
| ''' | ||
|
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| from netCDF4 import Dataset | ||
| import datetime | ||
| import logging | ||
|
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| def CreateBDYTideNetcdfFile(filename, N,I,J,h,fv,grd): | ||
| gridNames = ['T', 'U', 'V'] | ||
|
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||
| # Dimension Lengths | ||
| xb_len = N | ||
| yb_len = 1 | ||
| x_len = I | ||
| y_len = J | ||
|
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||
| # Enter define mode | ||
| ncid = Dataset(filename, 'w', clobber=True, format='NETCDF4') | ||
|
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| #define dimensions | ||
| dimxbID = ncid.createDimension('xb',xb_len) | ||
| dimybID = ncid.createDimension('yb',yb_len) | ||
| dimxID = ncid.createDimension('x', x_len) | ||
| dimyID = ncid.createDimension('y', y_len) | ||
|
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| #define variable | ||
| varlonID = ncid.createVariable('nav_lon','f4',('y','x',)) | ||
| varlatID = ncid.createVariable('nav_lat','f4',('y','x',)) | ||
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| if grd =='T': | ||
| varmskID = ncid.createVariable('bdy_msk','f4',('y','x',),fill_value=fv) | ||
| varz1ID = ncid.createVariable('z1','f4',('yb','xb',),fill_value=fv) | ||
| varz2ID = ncid.createVariable('z2','f4',('yb','xb',),fill_value=fv) | ||
| elif grd == 'U': | ||
| varu1ID = ncid.createVariable('u1','f4',('yb','xb',),fill_value=fv) | ||
| varu2ID = ncid.createVariable('u2','f4',('yb','xb',),fill_value=fv) | ||
| elif grd == 'V': | ||
| varv1ID = ncid.createVariable('v1','f4',('yb','xb',),fill_value=fv) | ||
| varv2ID = ncid.createVariable('v2','f4',('yb','xb',),fill_value=fv) | ||
| else : | ||
| logging.error("Unknown Grid input") | ||
|
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||
|
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| varnbiID = ncid.createVariable('nbidta','i4',('yb','xb',)) | ||
| varnbjID = ncid.createVariable('nbjdta','i4',('yb','xb',)) | ||
| varnbrID = ncid.createVariable('nbrdta','i4',('yb','xb',)) | ||
| #Global Attributes | ||
| ncid.file_name = filename | ||
| ncid.creation_date = str(datetime.datetime.now()) | ||
| ncid.history = h | ||
| ncid.institution = 'National Oceanography Centre, Livepool, U.K.' | ||
|
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||
| #Longitude axis attributes | ||
| varlonID.axis = 'Longitude' | ||
| varlonID.short_name = 'nav_lon' | ||
| varlonID.units = 'degrees_east' | ||
| varlonID.long_name = 'Longitude' | ||
|
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||
| #Latitude axis attributes | ||
| varlatID.axis = 'Latitude' | ||
| varlatID.short_name = 'nav_lat' | ||
| varlatID.units = 'degrees_east' | ||
| varlatID.long_name = 'Latitude' | ||
|
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||
| #nbidta attributes | ||
| varnbiID.short_name = 'nbidta' | ||
| varnbiID.units = 'unitless' | ||
| varnbiID.long_name = 'Bdy i indices' | ||
|
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||
| #nbjdta attributes | ||
| varnbjID.short_name = 'nbjdta' | ||
| varnbjID.units = 'unitless' | ||
| varnbjID.long_name = 'Bdy j indices' | ||
|
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||
| #nbrdta attributes | ||
| varnbrID.short_name = 'nbrdta' | ||
| varnbrID.units = 'unitless' | ||
| varnbrID.long_name = 'Bdy discrete distance' | ||
| if grd == 'T' : | ||
|
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||
| varmskID.short_name = 'bdy_msk' | ||
| varmskID.units = 'unitless' | ||
| varmskID.long_name = 'Structured boundary mask' | ||
|
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||
| varz1ID.units = 'm' | ||
| varz1ID.short_name = 'z1' | ||
| varz1ID.long_name = 'tidal elevation: cosine' | ||
| varz1ID.grid = 'bdyT' | ||
|
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||
| varz2ID.units = 'm' | ||
| varz2ID.short_name = 'z2' | ||
| varz2ID.long_name = 'tidal elevation: sine' | ||
| varz2ID.grid = 'bdyT' | ||
|
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||
| elif grd == 'U' : | ||
|
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| varu1ID.units = 'm/s' | ||
| varu1ID.short_name = 'u1' | ||
| varu1ID.long_name = 'tidal east velocity: cosine' | ||
| varu1ID.grid = 'bdyU' | ||
|
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||
| varu2ID.units = 'm/s' | ||
| varu2ID.short_name = 'u2' | ||
| varu2ID.long_name = 'tidal east velocity: sine' | ||
| varu2ID.grid = 'bdyU' | ||
|
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||
| elif grd == 'V': | ||
|
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||
| varv1ID.units = 'm/s' | ||
| varv1ID.short_name = 'v1' | ||
| varv1ID.long_name = 'tidal north velocity: cosine' | ||
| varv1ID.grid = 'bdyV' | ||
|
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||
| varv2ID.units = 'm/s' | ||
| varv2ID.short_name = 'v2' | ||
| varv2ID.long_name = 'tidal north velocity: sine' | ||
| varv2ID.grid = 'bdyV' | ||
|
|
||
| else : | ||
| logging.error('Unknown Grid') | ||
|
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||
| ncid.close() | ||
|
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||
|
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||
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|
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||
|
|
||
| ''' | ||
| Creates Tide netcdf file ready for population | ||
| @author: Mr. Srikanth Nagella | ||
| ''' | ||
|
|
||
| from netCDF4 import Dataset | ||
| import datetime | ||
| import logging | ||
|
|
||
| def CreateBDYTideNetcdfFile(filename, N,I,J,h,fv,grd): | ||
| gridNames = ['T', 'U', 'V'] | ||
|
|
||
| # Dimension Lengths | ||
| xb_len = N | ||
| yb_len = 1 | ||
| x_len = I | ||
| y_len = J | ||
|
|
||
| # Enter define mode | ||
| ncid = Dataset(filename, 'w', clobber=True, format='NETCDF4') | ||
|
|
||
| #define dimensions | ||
| dimxbID = ncid.createDimension('xb',xb_len) | ||
| dimybID = ncid.createDimension('yb',yb_len) | ||
| dimxID = ncid.createDimension('x', x_len) | ||
| dimyID = ncid.createDimension('y', y_len) | ||
|
|
||
| #define variable | ||
| varlonID = ncid.createVariable('nav_lon','f4',('y','x',)) | ||
| varlatID = ncid.createVariable('nav_lat','f4',('y','x',)) | ||
|
|
||
|
|
||
| if grd =='T': | ||
| varmskID = ncid.createVariable('bdy_msk','f4',('y','x',),fill_value=fv) | ||
| varz1ID = ncid.createVariable('z1','f4',('yb','xb',),fill_value=fv) | ||
| varz2ID = ncid.createVariable('z2','f4',('yb','xb',),fill_value=fv) | ||
| elif grd == 'U': | ||
| varu1ID = ncid.createVariable('u1','f4',('yb','xb',),fill_value=fv) | ||
| varu2ID = ncid.createVariable('u2','f4',('yb','xb',),fill_value=fv) | ||
| elif grd == 'V': | ||
| varv1ID = ncid.createVariable('v1','f4',('yb','xb',),fill_value=fv) | ||
| varv2ID = ncid.createVariable('v2','f4',('yb','xb',),fill_value=fv) | ||
| else : | ||
| logging.error("Unknown Grid input") | ||
|
|
||
|
|
||
| varnbiID = ncid.createVariable('nbidta','i4',('yb','xb',)) | ||
| varnbjID = ncid.createVariable('nbjdta','i4',('yb','xb',)) | ||
| varnbrID = ncid.createVariable('nbrdta','i4',('yb','xb',)) | ||
| #Global Attributes | ||
| ncid.file_name = filename | ||
| ncid.creation_date = str(datetime.datetime.now()) | ||
| ncid.history = h | ||
| ncid.institution = 'National Oceanography Centre, Livepool, U.K.' | ||
|
|
||
| #Longitude axis attributes | ||
| varlonID.axis = 'Longitude' | ||
| varlonID.short_name = 'nav_lon' | ||
| varlonID.units = 'degrees_east' | ||
| varlonID.long_name = 'Longitude' | ||
|
|
||
| #Latitude axis attributes | ||
| varlatID.axis = 'Latitude' | ||
| varlatID.short_name = 'nav_lat' | ||
| varlatID.units = 'degrees_east' | ||
| varlatID.long_name = 'Latitude' | ||
|
|
||
| #nbidta attributes | ||
| varnbiID.short_name = 'nbidta' | ||
| varnbiID.units = 'unitless' | ||
| varnbiID.long_name = 'Bdy i indices' | ||
|
|
||
| #nbjdta attributes | ||
| varnbjID.short_name = 'nbjdta' | ||
| varnbjID.units = 'unitless' | ||
| varnbjID.long_name = 'Bdy j indices' | ||
|
|
||
| #nbrdta attributes | ||
| varnbrID.short_name = 'nbrdta' | ||
| varnbrID.units = 'unitless' | ||
| varnbrID.long_name = 'Bdy discrete distance' | ||
| if grd == 'T' : | ||
|
|
||
| varmskID.short_name = 'bdy_msk' | ||
| varmskID.units = 'unitless' | ||
| varmskID.long_name = 'Structured boundary mask' | ||
|
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||
| varz1ID.units = 'm' | ||
| varz1ID.short_name = 'z1' | ||
| varz1ID.long_name = 'tidal elevation: cosine' | ||
| varz1ID.grid = 'bdyT' | ||
|
|
||
| varz2ID.units = 'm' | ||
| varz2ID.short_name = 'z2' | ||
| varz2ID.long_name = 'tidal elevation: sine' | ||
| varz2ID.grid = 'bdyT' | ||
|
|
||
| elif grd == 'U' : | ||
|
|
||
| varu1ID.units = 'm/s' | ||
| varu1ID.short_name = 'u1' | ||
| varu1ID.long_name = 'tidal east velocity: cosine' | ||
| varu1ID.grid = 'bdyU' | ||
|
|
||
| varu2ID.units = 'm/s' | ||
| varu2ID.short_name = 'u2' | ||
| varu2ID.long_name = 'tidal east velocity: sine' | ||
| varu2ID.grid = 'bdyU' | ||
|
|
||
| elif grd == 'V': | ||
|
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||
| varv1ID.units = 'm/s' | ||
| varv1ID.short_name = 'v1' | ||
| varv1ID.long_name = 'tidal north velocity: cosine' | ||
| varv1ID.grid = 'bdyV' | ||
|
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||
| varv2ID.units = 'm/s' | ||
| varv2ID.short_name = 'v2' | ||
| varv2ID.long_name = 'tidal north velocity: sine' | ||
| varv2ID.grid = 'bdyV' | ||
|
|
||
| else : | ||
| logging.error('Unknown Grid') | ||
|
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| ncid.close() | ||
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