Get orientation from handler, not DBF field

The orientation is no longer a DBF field.

Inst_eddies/Analysis/plot_eddy_contours.py

@@ -78,14 +78,10 @@ def snapshot(ax, ishape_list, handler, *, dashed = False, light = False,
 
         points = shape_rec_extr.shape.points[0]
 
-        try:
-            if shape_rec_extr.record.cyclone == 0:
-                    # Anti-cyclone
-                color = "red"
-            else:
-                color = "blue"
-        except AttributeError:
-            color = "green"
+        if handler["cyclones"]:
+            color = "blue"
+        else:
+            color = "red"
 
         lines = ax.plot(points[0], points[1], markersize = 10,
                         color = color, fillstyle = "none",
@@ -130,14 +126,10 @@ def snapshot(ax, ishape_list, handler, *, dashed = False, light = False,
             if shape_m_s != None and shape_m_s.shapeType != shapefile.NULL:
                 points = np.array(shape_m_s.points)
 
-                try:
-                    if shape_rec_extr.record.cyclone == 0:
-                        # Anti-cyclone
-                        color = "magenta"
-                    else:
-                        color = "cyan"
-                except AttributeError:
-                    color = "green"
+                if handler["cyclones"]:
+                    color = "cyan"
+                else:
+                    color = "magenta"
 
                 lines = ax.plot(points[:, 0], points[:, 1], color = color,
                                 transform = src_crs)