From 430049fb69b019dcb78fd8e0a86e80ec2b7e913d Mon Sep 17 00:00:00 2001
From: sbourdin <sbourdin@LSCE.IPSL.FR>
Date: Thu, 28 Jan 2021 09:32:37 +0100
Subject: [PATCH] Add diverging norm example in plots

---
 dynamicopy/cartoplot.py | 4 +++-
 dynamicopy/plot.py      | 4 ++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/dynamicopy/cartoplot.py b/dynamicopy/cartoplot.py
index 51b2aaf..c4f9179 100644
--- a/dynamicopy/cartoplot.py
+++ b/dynamicopy/cartoplot.py
@@ -42,7 +42,9 @@ def lon_lat_plot_map(lon, lat, var, lon_axis=-1, lat_axis=-2, fig_ax=None, title
     colorbar_label : str, optional
         label to be shown beside the colorbar, by default ''
     norm : matplotlib.colors.<any>Norm, optional
-        normalization of the colormap, by default TwoSlopeNorm(vcenter=0)
+        normalization for the colormap, by default None
+        Example : with `import matplotlib.colors as c` in header of your script
+            * For centering diverging colormap : c.DivergingNorm(vcenter = 0.0)
     smooth : bool, optional
         if True, contourf is used instead of pcolormesh, by default False
     projection : cartopy.crs projection, optional
diff --git a/dynamicopy/plot.py b/dynamicopy/plot.py
index 71e126b..85b179c 100644
--- a/dynamicopy/plot.py
+++ b/dynamicopy/plot.py
@@ -61,6 +61,8 @@ def lon_lat_plot(lon, lat, var, lon_axis=-1, lat_axis=-2, fig_ax=None, title='',
         label of the colorbar, by default ''
     norm : matplotlib.colors.<any>Norm, optional
         normalization for the colormap, by default None
+        Example : with `import matplotlib.colors as c` in header of your script
+            * For centering diverging colormap : c.DivergingNorm(vcenter = 0.0)
     smooth : bool, optional
         if True, contourf is used instead of pcolormesh, by default False
     savefig : bool, optional
@@ -123,6 +125,8 @@ def zonal_plot(lat, lev, var, lat_axis = -1, lev_axis = -2, fig_ax=None, title='
         label of the colorbar, by default ''
     norm : matplotlib.colors.<any>Norm, optional
         normalization for the colormap, by default None
+        Example : with `import matplotlib.colors as c` in header of your script
+            * For centering diverging colormap : c.DivergingNorm(vcenter = 0.0)
     smooth : bool, optional
         if True, contourf is used instead of pcolormesh, by default False
     savefig : bool, optional