[Python] Basemap memo

Now that we have moved to cartopy, we have split pages.

`Basemap (ax =)` to draw a Basemap on the specified Axes

map1 = Basemap(projection='ortho', lon_0 = 0, lat_0 = 40, ax=ax1)

Convenient for linking with GridSpec and subplot2grid https://basemaptutorial.readthedocs.io/en/latest/subplots.html

`Drawlsmask (land_color =, ocean_color =)` for land and sea fills

Drawing a Map Background

Labels for latitude and longitude lines are in the order of [left, right, top, bottom]

parallels = np.arange(0.,81,10.)
m.drawparallels(parallels,labels=[False,True,True,False])
meridians = np.arange(10.,351.,20.)
m.drawmeridians(meridians,labels=[True,False,False,True])

https://matplotlib.org/basemap/users/graticule.html

When adding a color bar below, `location ='bottom'`

Basemap tutorial: Basemap utility functions

The line style of the latitude and longitude line can be specified with `dashes`, but ...

The 'dotted' in matplotlib.pyplot is closer. linestyles =':', linewidth = 1.0, which is almost the same as the latitude and longitude line of Basemap. https://stackoverflow.com/questions/54663882/setting-the-linestyle-for-the-longitude-and-latitude-lines-in-matplotlibs-basem

Plt.title () is OK to give a title to Basemap

There is no title method in Basemap, but plt.title () is fine https://stackoverflow.com/questions/9402151/how-do-i-add-a-title-to-my-matplotlib-basemap

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