cdo sellonlatbox,-180,180,-90,90 input.nc output.nc

from matplotlib import pyplot as plt
import numpy as np
from mpl_toolkits import basemap

fig,axes = plt.subplots(nrows=3, ncols=1)

mp1 = basemap.Basemap(ax = axes[0], projection = 'cyl', lon_0=180, lat_0=0)
mp2 = basemap.Basemap(ax = axes[1], projection = 'cyl', lon_0=0,   lat_0=0)
mp3 = basemap.Basemap(ax = axes[2], projection = 'cyl', lon_0=0,   lat_0=0)

for mp in mp1, mp2, mp3:
    mp.drawcoastlines()
    mp.drawcountries()
    mp.drawmeridians(np.arange(0,360,30))
    mp.drawparallels(np.arange(-90,90,30))


##some data:
lons = np.arange(0,360)
lats = np.arange(-90,91)
lons,lats = np.meshgrid(lons,lats)
data = np.sin(2*np.pi*lons/360)+np.sin(np.pi*lats/180)

##first plot
mp1.pcolormesh(lons,lats,data)

##second plot
mp2.pcolormesh(lons,lats,data)

##third plot (with longitudes re-ordered)
lons = lons%180-180*(lons//180) ##re-computing lons to be from -180 to 180

lon_order = np.argsort(lons, axis = 1) ##computing new order of lons
lat_order = np.argsort(lats, axis = 0) ## ... and lats (maybe unnecessary)

mp3.pcolormesh(lons[lat_order,lon_order],lats, data[lat_order,lon_order])

plt.show()