Results: Add bedload sediment results to KPC plot.

src/Model/Results/River/River.py

@@ -59,6 +59,8 @@ class Profile(object):
     def get_ts_key(self, timestamp, key):
         return self._data[timestamp][key]
 
+    def has_sediment(self):
+        return any(map(lambda ts: "sl" in self._data[ts], self._data))
 
 class Reach(object):
     def __init__(self, reach, study):
@@ -92,6 +94,8 @@ class Reach(object):
     def set(self, profile_id, timestamp, key, data):
         self._profiles[profile_id].set(timestamp, key, data)
 
+    def has_sediment(self):
+        return any(map(lambda profile: profile.has_sediment(), self._profiles))
 
 class River(object):
     def __init__(self, study):