Use window instead of computing bbox

In `make_animation`, when window is defined, use window instead of
computing bbox. Avoiding projection issues.

Analysis/plot_eddy_contours.py

@@ -180,7 +180,12 @@ def make_animation(fig, ax, k1, ishape_last, reader_extr, reader_outer,
                    reader_m_s, window, k_min, k_max, light):
     ishape_lists = {k: select_ishapes(k, k1, ishape_last, reader_extr, window)
                     for k in range(k_min, k_max + 1)}
-    bbox = compute_bbox(ishape_lists, reader_outer)
+
+    if window is None:
+        bbox = compute_bbox(ishape_lists, reader_outer)
+    else:
+        bbox = window
+
     ani = animation.FuncAnimation(fig, func, range(k_min, k_max + 1),
                                   fargs = (ax, ishape_lists, reader_extr,
                                            reader_outer, reader_m_s, bbox,