User Tools

Site Tools


other:python:maps_by_jyp

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision Both sides next revision
other:python:maps_by_jyp [2019/09/12 15:56]
jypeter Started adding the megabiomes example
other:python:maps_by_jyp [2019/09/13 09:39]
jypeter
Line 16: Line 16:
   * Optionally reduce the number of PFTs before plotting   * Optionally reduce the number of PFTs before plotting
   * Use ''​matplotlib''​+''​cartopy''​ to create the plot   * Use ''​matplotlib''​+''​cartopy''​ to create the plot
-    * Create two plots with a common colorbar +    * Create two plots with a //​PlateCarree//​ projection and a common colorbar 
-    * Use a listed colormap (and the associated norm), and pcolormesh to plot the discrete PFT values+    * Use an //A4 portrait// (''​figsize=(8.3,​ 11.7)''​) figure size and ''​subplots_adjust''​ in order to improve the page layout 
 +    * Use a //listed colormap// (and the associated ​//norm//), and ''​pcolormesh'' ​to plot the discrete PFT values 
 +    * Use a trick to make sure that the black plot border is correctly plotted above everything (''​top_plot.outline_patch.set_zorder(50)''​)
  
 ===== Megabiome maps ===== ===== Megabiome maps =====
Line 29: Line 31:
  
   * Load the NetCDF model data with ''​cdms2'',​ and the xlsx observations'​ data with ''​pandas''​   * Load the NetCDF model data with ''​cdms2'',​ and the xlsx observations'​ data with ''​pandas''​
 +  * Use ''​matplotlib''​+''​cartopy''​ to create the plot
 +    * Create three plots on a 2x2 layout with an //​Orthographic//​ projection (centered on Europe) and a common colorbar. Explicitly make the 4th plot //​invisible//​ in order to make space for plotting the colorbar (''​colorbar_plot.background_patch.set_visible(False)''​ and ''​colorbar_plot.outline_patch.set_visible(False)''​)
 +    * Use a square (''​figsize=(8,​ 8)''​) figure size in order to improve the page layout
 +    * Use the same color scale for both the model data (plotted with ''​pcolormesh''​) and the observation data (plotted with ''​scatter''​)
 +    * Use a common //listed colormap// to plot the discrete megabiome values (with a //norm// associated with the megabiome values) and the observations (with a **different //norm//** associated with the observations)
  
 /* standard page footer */ /* standard page footer */
other/python/maps_by_jyp.txt · Last modified: 2021/08/03 12:01 by jypeter