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#!/usr/bin/env python |
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# Last modified: Time-stamp: <2009-02-18 15:45:58 haines> |
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"""spin_df_sodar_plot_month""" |
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# plot each month |
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import os, sys, glob, re |
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import datetime, time, dateutil, dateutil.tz |
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import pycdf |
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import numpy |
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sys.path.append('/home/haines/nccoos/raw2proc') |
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del(sys) |
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os.environ["MPLCONFIGDIR"]="/home/haines/.matplotlib/" |
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from pylab import figure, twinx, savefig, setp, getp, cm, colorbar |
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from matplotlib.dates import DayLocator, HourLocator, MinuteLocator, DateFormatter, date2num, num2date |
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import procutil |
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print 'dukeforest_sodar_plot_month ...' |
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proc_dir = '/seacoos/data/nccoos/level1/dukeforest/sodar/' |
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fns = glob.glob((os.path.join(proc_dir, '*.nc'))) |
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fns.sort() |
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fns = fns[0:2] |
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for fn in fns: |
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m=re.search('\d{4}_\d{2}', fn) |
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yyyy_mm = m.group() |
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prev_month, this_month, next_month = procutil.find_months(yyyy_mm) |
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# load data |
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print ' ... ... read: ' + fn |
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nc = pycdf.CDFMF((fn,)) |
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ncvars = nc.variables() |
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# print ncvars |
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es = nc.var('time')[:] |
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units = nc.var('time').units |
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dt = [procutil.es2dt(e) for e in es] |
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# set timezone info to UTC (since data from level1 should be in UTC!!) |
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dt = [e.replace(tzinfo=dateutil.tz.tzutc()) for e in dt] |
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# return new datetime based on computer local |
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dt_local = [e.astimezone(dateutil.tz.tzlocal()) for e in dt] |
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dn = date2num(dt) |
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z = nc.var('z')[:] |
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# convert cm/s to m/s |
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uu = nc.var('u')[:]/100. |
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vv = nc.var('v')[:]/100. |
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ww = nc.var('w')[:]/100. |
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echo = nc.var('echo')[:] |
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n1 = numpy.floor(nc.var('nois1')[:]/10.) |
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n2 = numpy.floor(nc.var('nois2')[:]/10.) |
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n3 = numpy.floor(nc.var('nois3')[:]/10.) |
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nc.close() |
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# last dt in data for labels |
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dt1 = dt[-1] |
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dt2 = dt_local[-1] |
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diff = abs(dt1 - dt2) |
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if diff.days>0: |
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last_dt_str = dt1.strftime("%H:%M %Z on %b %d, %Y") + ' (' + dt2.strftime("%H:%M %Z, %b %d") + ')' |
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else: |
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last_dt_str = dt1.strftime("%H:%M %Z") + ' (' + dt2.strftime("%H:%M %Z") + ')' \ |
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+ dt2.strftime(" on %b %d, %Y") |
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fig = figure(figsize=(10, 10)) |
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fig.subplots_adjust(left=0.1, bottom=0.1, right=0.9, top=0.9, wspace=0.1, hspace=0.1) |
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####################################### |
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# Plot month |
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####################################### |
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ax = fig.add_subplot(5,1,1) |
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axs = [ax] |
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# range for horizontal wind plots |
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cmin, cmax = (-20., 20.) |
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# print "%s : %g %g" % ('uv wind', cmin, cmax) |
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# use masked array to hide NaN's on plot |
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um = numpy.ma.masked_where(numpy.isnan(uu), uu) |
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pc = ax.pcolor(dn, z, um.T, vmin=cmin, vmax=cmax) |
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pc.set_label('True Eastward Wind (m s-1)') |
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ax.text(0.025, 0.1, pc.get_label(), fontsize="small", transform=ax.transAxes) |
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ax.set_ylabel('Height (m)') |
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# ax.set_ylim(-26.,2.) |
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# setup colorbar axes instance. |
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l,b,w,h = ax.get_position() |
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cax = fig.add_axes([l, b+h+0.04, 0.25*w, 0.03]) |
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cb = colorbar(pc, cax=cax, orientation='horizontal') # draw colorbar |
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cb.set_label('Wind Velocity (m s-1)') |
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cb.ax.xaxis.set_label_position('top') |
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cb.ax.set_xticks([0.1, 0.3, 0.5, 0.7, 0.9]) |
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xtl = numpy.round(numpy.linspace(cmin, cmax, 10), decimals=0) |
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cb.ax.set_xticklabels([xtl[1], xtl[3], xtl[5], xtl[7], xtl[9]]) |
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#cb.ax.set_xticklabels([-16, -8, 0, 8, 16]) |
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# ax.set_xlim(dt[0], dt[-1]) # first to last regardless of what |
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ax.set_xlim(date2num(this_month), date2num(next_month-datetime.timedelta(seconds=1))) |
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ax.xaxis.set_major_locator( DayLocator(range(2,32,2)) ) |
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ax.xaxis.set_minor_locator( HourLocator(range(0,25,12)) ) |
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ax.set_xticklabels([]) |
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# this only moves the label not the tick labels |
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ax.xaxis.set_label_position('top') |
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ax.set_xlabel('DUKE FOREST SODAR -- ' + yyyy_mm) |
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# right-hand side scale |
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ax2 = twinx(ax) |
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ax2.yaxis.tick_right() |
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# convert (lhs) meters to (rhs) feet |
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feet = [procutil.meters2feet(val) for val in ax.get_ylim()] |
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ax2.set_ylim(feet) |
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ax2.set_ylabel('Height (ft)') |
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####################################### |
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# |
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ax = fig.add_subplot(5,1,2) |
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axs.append(ax) |
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# use masked array to hide NaN's on plot |
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vm = numpy.ma.masked_where(numpy.isnan(vv), vv) |
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pc = ax.pcolor(dn, z, vm.T, vmin=cmin, vmax=cmax) |
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pc.set_label('True Northward Wind (m s-1)') |
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ax.text(0.025, 0.1, pc.get_label(), fontsize="small", transform=ax.transAxes) |
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ax.set_ylabel('Height (m)') |
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# ax.set_ylim(-26.,2) |
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# ax.set_xlim(date2num(dt[0]), date2num(dt[-1])) |
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ax.set_xlim(date2num(this_month), date2num(next_month-datetime.timedelta(seconds=1))) |
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ax.xaxis.set_major_locator( DayLocator(range(2,32,2)) ) |
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ax.xaxis.set_minor_locator( HourLocator(range(0,25,12)) ) |
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ax.xaxis.set_major_formatter( DateFormatter('%m/%d') ) |
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ax.set_xticklabels([]) |
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# right-hand side scale |
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ax2 = twinx(ax) |
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ax2.yaxis.tick_right() |
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# convert (lhs) meters to (rhs) feet |
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feet = [procutil.meters2feet(val) for val in ax.get_ylim()] |
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ax2.set_ylim(feet) |
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ax2.set_ylabel('Height (ft)') |
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####################################### |
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# |
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ax = fig.add_subplot(5,1,3) |
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axs.append(ax) |
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# range for horizontal wind plots |
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cmin, cmax = (-5., 5.) |
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# print "%s : %g %g" % ('w wind', cmin, cmax) |
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# use masked array to hide NaN's on plot |
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wm = numpy.ma.masked_where(numpy.isnan(ww), ww) |
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pc = ax.pcolor(dn, z, wm.T, vmin=cmin, vmax=cmax) |
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# pc.set_label('Upward Wind (m s-1)') |
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ax.text(0.025, 0.1, pc.get_label(), fontsize="small", transform=ax.transAxes) |
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ax.set_ylabel('Height (m)') |
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# ax.set_ylim(-26.,2) |
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# setup colorbar axes instance. |
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l,b,w,h = ax.get_position() |
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cax = fig.add_axes([l+0.04, b+h-0.06, 0.25*w, 0.03]) |
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cb = colorbar(pc, cax=cax, orientation='horizontal') # draw colorbar |
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cb.set_label('Upward Wind Velocity (m s-1)') |
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cb.ax.xaxis.set_label_position('top') |
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cb.ax.set_xticks([0.1, 0.3, 0.5, 0.7, 0.9]) |
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xtl = numpy.round(numpy.linspace(cmin, cmax, 10), decimals=0) |
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cb.ax.set_xticklabels([xtl[1], xtl[3], xtl[5], xtl[7], xtl[9]]) |
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# ax.set_xlim(date2num(dt[0]), date2num(dt[-1])) |
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ax.set_xlim(date2num(this_month), date2num(next_month-datetime.timedelta(seconds=1))) |
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ax.xaxis.set_major_locator( DayLocator(range(2,32,2)) ) |
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ax.xaxis.set_minor_locator( HourLocator(range(0,25,12)) ) |
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ax.xaxis.set_major_formatter( DateFormatter('%m/%d') ) |
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ax.set_xticklabels([]) |
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# right-hand side scale |
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ax2 = twinx(ax) |
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ax2.yaxis.tick_right() |
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# convert (lhs) meters to (rhs) feet |
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feet = [procutil.meters2feet(val) for val in ax.get_ylim()] |
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ax2.set_ylim(feet) |
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ax2.set_ylabel('Height (ft)') |
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####################################### |
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# |
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ax = fig.add_subplot(5,1,4) |
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axs.append(ax) |
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cmin, cmax = (0., 1000.) |
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# print "%s : %g %g" % ('echo', cmin, cmax) |
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# use masked array to hide NaN's on plot |
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em = numpy.ma.masked_where(numpy.isnan(echo), echo) |
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pc = ax.pcolor(dn, z, em.T, vmin=cmin, vmax=cmax) |
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# pc.set_label('Echo Strength ()') |
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ax.text(0.025, 0.1, pc.get_label(), fontsize="small", transform=ax.transAxes) |
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ax.set_ylabel('Height (m)') |
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# ax.set_ylim(-26.,2) |
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# setup colorbar axes instance. |
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l,b,w,h = ax.get_position() |
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cax = fig.add_axes([l+0.04, b+h-0.06, 0.25*w, 0.03]) |
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cb = colorbar(pc, cax=cax, orientation='horizontal') # draw colorbar |
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cb.set_label('Echo Strength') |
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cb.ax.xaxis.set_label_position('top') |
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cb.ax.set_xticks([0.0, 1.0]) |
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xtl = numpy.round(numpy.linspace(cmin, cmax, 10), decimals=0) |
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cb.ax.set_xticklabels([str(cmin), str(cmax)]) |
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# ax.set_xlim(date2num(dt[0]), date2num(dt[-1])) |
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ax.set_xlim(date2num(this_month), date2num(next_month-datetime.timedelta(seconds=1))) |
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ax.xaxis.set_major_locator( DayLocator(range(2,32,2)) ) |
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ax.xaxis.set_minor_locator( HourLocator(range(0,25,12)) ) |
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ax.xaxis.set_major_formatter( DateFormatter('%m/%d') ) |
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ax.set_xticklabels([]) |
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# right-hand side scale |
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ax2 = twinx(ax) |
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ax2.yaxis.tick_right() |
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# convert (lhs) meters to (rhs) feet |
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feet = [procutil.meters2feet(val) for val in ax.get_ylim()] |
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ax2.set_ylim(feet) |
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ax2.set_ylabel('Height (ft)') |
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####################################### |
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# |
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ax = fig.add_subplot(5,1,5) |
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axs.append(ax) |
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# ax.plot returns a list of lines, so unpack tuple |
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l1, = ax.plot_date(dt, n1, fmt='b-') |
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l1.set_label('n1 each beam') |
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l2, = ax.plot_date(dt, n2, fmt='c-') |
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l2.set_label('n2') |
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l3, = ax.plot_date(dt, n3, fmt='g-') |
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l3.set_label('n3') |
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ax.set_ylabel('Ambient Noise') |
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ax.set_ylim(20,80) |
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ax.set_xlim(date2num(this_month), date2num(next_month-datetime.timedelta(seconds=1))) |
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ax.xaxis.set_major_locator( DayLocator(range(2,32,2)) ) |
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ax.xaxis.set_minor_locator( HourLocator(range(0,25,12)) ) |
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ax.xaxis.set_major_formatter( DateFormatter('%m/%d') ) |
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ax.set_xlabel('DUKE FOREST SODAR -- ' + yyyy_mm) |
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# legend |
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ls1 = l1.get_label() |
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ls2 = l2.get_label() |
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ls3 = l3.get_label() |
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leg = ax.legend((l1,l2,l3), (ls1,ls2,ls3), loc='upper left') |
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ltext = leg.get_texts() # all the text.Text instance in the legend |
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llines = leg.get_lines() # all the lines.Line2D instance in the legend |
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frame = leg.get_frame() # the patch.Rectangle instance surrounding the legend |
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frame.set_facecolor('0.80') # set the frame face color to light gray |
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frame.set_alpha(0.5) # set alpha low to see through |
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setp(ltext, fontsize='small') # the legend text fontsize |
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setp(llines, linewidth=1.5) # the legend linewidth |
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# leg.draw_frame(False) # don't draw the legend frame |
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# save figure |
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ofn = '/home/haines/rayleigh/img/dukeforest/dukeforest_sodar1_'+yyyy_mm+'.png' |
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print '... ... write: %s' % (ofn,) |
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savefig(ofn) |
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