BC, Geometry: Add safety condition to value computation.

src/Model/Geometry/Reach.py

@@ -368,6 +368,9 @@ class Reach(SQLSubModel):
 
     def inter_profiles_rk(self):
         profiles = sorted(self.profiles, key=lambda p: p.rk)
+        if len(profiles) == 0:
+            return []
+
         first = profiles[0]
         last = profiles[-1]
 
@@ -750,6 +753,9 @@ class Reach(SQLSubModel):
                 cnt += 1
 
     def get_incline(self):
+        if len(self.profiles) == 0:
+            return 0.0
+
         first = self.profile(0)
         last = self.profile(len(self) - 1)
 
@@ -767,6 +773,9 @@ class Reach(SQLSubModel):
 
     def get_incline_mean(self):
         profiles = self.profiles
+        if len(profiles) == 0:
+            return 0.0
+
         previous = profiles[0]
 
         incline_acc = 0
@@ -790,6 +799,9 @@ class Reach(SQLSubModel):
 
     def get_incline_median(self):
         profiles = self.profiles
+        if len(profiles) == 0:
+            return 0.0
+
         previous = profiles[0]
 
         incline_acc = []
@@ -814,6 +826,9 @@ class Reach(SQLSubModel):
 
     def get_incline_median_mean(self):
         profiles = self.profiles
+        if len(profiles) == 0:
+            return 0.0
+
         previous = profiles[0]
 
         incline_acc = []