# -*- coding: utf8 -*-
# Read sea level at Brest
from vcmq import cdms2, P, curve2, savefigs, data_sample
f = cdms2.open(data_sample("tide.sealevel.BREST.mars.nc"))
sea_level = f('sea_level')
f.close()
# Filtering
from vacumm.tide.filters import demerliac
cotes, tide = demerliac(sea_level, get_tide=True)
# Plots
kwplot = dict(date_fmt='%d/%m', show=False, date_rotation=0)
# - tidal signal
curve2(sea_level,
'k',
subplot=211,
label='Original',
title='Sea level at Brest',
**kwplot)
curve2(tide, 'b', label='Tidal signal', **kwplot)
P.legend().legendPatch.set_alpha(.7)
# - surcotes/decotes
curve2(cotes, 'r', subplot=212, hspace=.3, label='Demerliac', **kwplot)
P.legend().legendPatch.set_alpha(.7)
savefigs(__file__, savefigs_pdf=True)
P.close()
# Stations
station = StationInfo('Brest')
print station.attributes()
print station.name, station.longitude
print 'Niveau moyen a Brest:', station.nm
# Read sea level at Brest
f = cdms2.open(data_sample("tide.sealevel.BREST.mars.nc"))
sea_level = f('sea_level')
f.close()
# Surcotes/decotes
cotes, tide = demerliac(sea_level, get_tide=True) # -> ESSAYER GODIN
kwp = dict(date_fmt='%b', date_locator='month')
curve2(sea_level, 'b', show=False, figsize=(15, 4), **kwp)
curve2(tide, 'r', **kwp)
curve2(cotes, figsize=(15, 4), **kwp)
# Extremas
slzoom1 = sea_level(('2006-10-01', '2006-10-02'))[::4] # Toutes les heures
bm, pm = extrema(slzoom1, spline=True, ref='mean') # -> SANS SPLINES
zz = zeros(slzoom1, ref='mean') # -> AUTRES REFERENCE ?
curve2(slzoom1, 'ko', markersize=3, figsize=(6, 4), show=False)
curve2(zz, 'go', linewidth=0, show=False, xstrict=False)
curve2(pm, 'ro', linewidth=0, show=False, xstrict=False)
curve2(bm, 'bo', linewidth=0, xstrict=False, title="Niveau de la mer")
from vacumm.tide.marigraph import Marigraph
from vacumm.tide.station_info import StationInfo
# Stations
station = StationInfo('Brest')
print station.attributes()
print station.name, station.longitude
print 'Niveau moyen a Brest:', station.nm
# Read sea level at Brest
f = cdms2.open(data_sample("tide.sealevel.BREST.mars.nc"))
sea_level = f('sea_level')
f.close()
# Surcotes/decotes
cotes, tide = demerliac(sea_level, get_tide=True) # -> ESSAYER GODIN
kwp = dict(date_fmt='%b', date_locator='month')
curve2(sea_level, 'b', show=False, figsize=(15, 4), **kwp)
curve2(tide, 'r', **kwp)
curve2(cotes, figsize=(15, 4), **kwp)
# Extremas
slzoom1 = sea_level(('2006-10-01', '2006-10-02'))[::4] # Toutes les heures
bm, pm = extrema(slzoom1, spline=True, ref='mean') # -> SANS SPLINES
zz = zeros(slzoom1, ref='mean') # -> AUTRES REFERENCE ?
curve2(slzoom1, 'ko', markersize=3, figsize=(6, 4), show=False)
curve2(zz, 'go', linewidth=0, show=False, xstrict=False)
curve2(pm, 'ro', linewidth=0, show=False, xstrict=False)
curve2(bm, 'bo', linewidth=0, xstrict=False, title="Niveau de la mer")
# Outil marégraphique
# -*- coding: utf8 -*-
# Read sea level at Brest
from vcmq import cdms2, P, curve2, savefigs, data_sample
f = cdms2.open(data_sample("tide.sealevel.BREST.mars.nc"))
sea_level = f('sea_level')
f.close()
# Filtering
from vacumm.tide.filters import demerliac
cotes, tide = demerliac(sea_level, get_tide=True)
# Plots
kwplot = dict(date_fmt='%d/%m', show=False, date_rotation=0)
# - tidal signal
curve2(sea_level, 'k', subplot=211, label='Original', title='Sea level at Brest',**kwplot)
curve2(tide, 'b', label='Tidal signal', **kwplot)
P.legend().legendPatch.set_alpha(.7)
# - surcotes/decotes
curve2(cotes, 'r', subplot=212, hspace=.3, label='Demerliac', **kwplot)
P.legend().legendPatch.set_alpha(.7)
savefigs(__file__, savefigs_pdf=True)
