#!/usr/bin/env python
# Wenchang Yang (wenchang@princeton.edu)
# Tue Dec  2 03:21:47 PM EST 2025
if __name__ == '__main__':
    import sys,os
    try:
        from misc.timer import Timer
        tt = Timer(f'[{os.getcwd()}] start ' + ' '.join(sys.argv))
    except:
        pass
import sys, os.path, os, glob, datetime
import xarray as xr, numpy as np, pandas as pd, matplotlib.pyplot as plt
#more imports
wython = '/tigress/wenchang/wython'
if wython not in sys.path: sys.path.append(wython); print('added to python path:', wython)
#from misc import get_kws_from_argv
#
if __name__ == '__main__':
    try:
        tt.check('end import')
    except:
        pass
#
#start from here
u = False if 'v' in sys.argv else True
ifile = '/projects/GEOCLIM/wenchang/MODEL_OUT/AM2.5C360/amipHadISST_chancorr_tigercpu_intelmpi_18_1080PE/en01/POSTP/19820101.atmos_daily.nc'
ds = xr.open_dataset(ifile)
if u:
    u850_yr = ds['u850'].load()
    u250_yr = ds['u250'].load()
    u_steer = 0.8 * u850_yr + 0.2 * u250_yr
else:
    v850_yr = ds['v850'].load()
    v250_yr = ds['v250'].load()
    v_steer = 0.8 * v850_yr + 0.2 * v250_yr

#T11
ifile = 'amipHadISSTlong_chancorr_tigercpu_intelmpi_18_1080PE/steering_wind_T11_amipHadISSTlong_chancorr_tigercpu_intelmpi_18_1080PE_ens01_1982.nc'
ds = xr.open_dataset(ifile)
if u:
    u_steer_T11 = ds['u_steer_T11'].load()
else:
    v_steer_T11 = ds['v_steer_T11'].load()
 
if __name__ == '__main__':
    from wyconfig import * #my plot settings
    from geoplots import mapplot
    fig,axes = plt.subplots(2, 1, figsize=(6,6))
    da = u_steer if u else v_steer
    da11 = u_steer_T11 if u else v_steer_T11
    ax = axes[0]
    long_name = 'u_steer' if u else 'v_steer'
    da.isel(time=-1).assign_attrs(long_name=long_name, units='m/s').plot(ax=ax, vmax=40)
    ax.set_title('raw '+long_name, loc='right')

    ax = axes[1]
    da11.isel(time=-1).assign_attrs(units='m/s').plot(ax=ax, vmax=40)
    ax.set_title('T11', loc='right')

    for ax in axes:
        plt.sca(ax)
        mapplot()
        ax.set_xlabel('')
        ax.set_ylabel('')

    
    #savefig
    if 'savefig' in sys.argv or 's' in sys.argv:
        figname = __file__.replace('.py', f'.png')
        if u: 
            figname = figname.replace('.png', '__usteer.png')
        else:
            figname = figname.replace('.png', '__vsteer.png')
        if 'overwritefig' in sys.argv or 'o' in sys.argv:
            wysavefig(figname, overwritefig=True)
        else:
            wysavefig(figname)
 
    try:
        tt.check(f'**Done**')
    except:
        pass
    print()
    if 'notshowfig' in sys.argv or 'n' in sys.argv:
        pass
    else:
        if 'plt' in globals(): plt.show()