IC: Add import action (for BIN file).

src/Model/Results/River/River.py

@@ -126,3 +126,11 @@ class River(object):
 
         self._reachs.append(new)
         return new
+
+    def get_reach_by_geometry(self, geometry_reach):
+        return next(
+            filter(
+                lambda r: r.geometry is geometry_reach,
+                self._reachs
+            )
+        )