Use mosiac's axis limits for planar periodic viz

Author: andrewdnolan

polaris/viz/planar.py

@@ -219,17 +219,14 @@ def plot_horiz_field(  # noqa: C901
     ax.set_xlabel('x (km)')
     ax.set_ylabel('y (km)')
     ax.set_aspect('equal')
-    ax.autoscale(tight=True)
-
-    # uncomment below once mosaic can mirror patches across periodic axis:
-    # --------------------------------------------------------------------
-    # if descriptor.is_periodic:
-    #     if descriptor.x_period and not descriptor.y_period:
-    #         ax.autoscale(axis='y', tight=True)
-    #     elif not descriptor.x_period and descriptor.y_period:
-    #         ax.autoscale(axis='x', tight=True)
-    # else:
-    #     ax.autoscale(axis='both', tight=True)
+
+    if descriptor.is_periodic:
+        if descriptor.x_period and not descriptor.y_period:
+            ax.autoscale(axis='y', tight=True)
+        elif not descriptor.x_period and descriptor.y_period:
+            ax.autoscale(axis='x', tight=True)
+    else:
+        ax.autoscale(axis='both', tight=True)
 
     # scale ticks to be in kilometers
     ax.xaxis.set_major_formatter(lambda x, pos: f'{x / 1e3:g}')