pyart.graph.RadarDisplay.plot_cross_hair# static RadarDisplay.plot_cross_hair(size, npts=100, ax=None)[source]# Plot a cross-hair on a ppi plot. Parameters: size (float) – Size of cross-hair in km. npts (int) – Number of points in the cross-hair, higher for better resolution. ax (Axis) – Axis to plot on. None will use the current axis.