Merge pull request #1611 from knutfrode/dev

[run-ex] Suppressing warning when plotting trajectories containing NaN

Author: knutfrode

examples/example_depth.py

@@ -34,8 +34,8 @@
 #%%
 # Plot results with lines and particles colored by depth
 print(o)
-o.plot(linecolor='z', buffer=.1, show_elements=False, contourlines=True)
-o.animation(color='z', buffer=.1, contourlines=True)
+o.plot(linecolor='z', buffer=.1, show_elements=False)
+o.animation(color='z', buffer=.1)
 
 #%%
 # .. image:: /gallery/animations/example_depth_0.gif

opendrift/models/basemodel/__init__.py

@@ -3500,12 +3500,13 @@ def plot(self,
                             linewidth=linewidth,
                             transform=self.crs_lonlat)
                 else:
-                    ax.plot(x,
-                            y,
-                            color=linecolor,
-                            alpha=alpha,
-                            linewidth=linewidth,
-                            transform=self.crs_lonlat)
+                    with np.errstate(invalid="ignore"):
+                        ax.plot(x,
+                                y,
+                                color=linecolor,
+                                alpha=alpha,
+                                linewidth=linewidth,
+                                transform=self.crs_lonlat)
             else:
                 #colorbar = True
                 # Color lines according to given parameter