Results, Sediment: Change sediment display algorithme.

src/View/Results/PlotSedProfile.py

@@ -56,7 +56,7 @@ class PlotSedProfile(APlot):
         x = profile.geometry.get_station()
         z = profile.geometry.z()
 
-        psl = list(
+        profiles_sl = list(
             map(
                 lambda sl: sl[0],
                 profile.get_ts_key(self._current_timestamp, "sl")
@@ -64,10 +64,10 @@ class PlotSedProfile(APlot):
         )
 
         sl = []
-        for i in range(len(psl)):
+        for i in range(len(profiles_sl)):
             cur = []
             for p in range(profile.geometry.number_points):
-                    cur.append(psl[i])
+                    cur.append(profiles_sl[i])
             sl.append(cur)
 
         # logger.info(sl)
@@ -76,19 +76,44 @@ class PlotSedProfile(APlot):
             left = min(x), right = max(x)
         )
 
-        # Compute sediment layer in function to point z
+        # Dummy layer with height = 0
+        f = list(map(lambda p: 0, range(profile.geometry.number_points)))
+
+        # We compute Z sediment layer in reverse order, from last layer to
+        # fake river bottom
+        r_sl = list(reversed(sl))
         z_sl = reduce(
             lambda acc, v: acc + [
                 list(
-                    map(lambda x, y: y - x, v, acc[-1])
+                    map(lambda x, y: y + x, v, acc[-1])
                 )
             ],
-            sl,
-            [z]
+            r_sl,
+            [f]
+        )
+
+        # We normalize Z coordinate to 0 (the maximum must be 0)
+        f_z_max = max(z_sl[-1])
+        z_sl = list(
+            map(
+                lambda p: list(map(lambda z: z - f_z_max, p)),
+                z_sl
+            )
+        )
+
+        # We apply the river geometry bottom height at each layers to
+        # fond the new river geometry
+        z_sl = list(
+            map(
+                lambda sl: list(
+                    map(lambda pz, m: pz + m, sl, z)
+                ),
+                z_sl
+            )
         )
 
         self.line_kp_sl = []
-        for i, zsl in enumerate(reversed(z_sl)):
+        for i, zsl in enumerate(z_sl):
             self.line_kp_sl.append(None)
             self.line_kp_sl[i], = self.canvas.axes.plot(
                 x, zsl,

src/View/Results/PlotSedReach.py

@@ -56,7 +56,7 @@ class PlotSedReach(APlot):
         z_min = reach.geometry.get_z_min()
         z_max = reach.geometry.get_z_max()
 
-        psl = list(
+        profiles_sl = list(
             map(
                 # Get SL list for profile p
                 lambda p: p.get_ts_key(self._current_timestamp, "sl"),
@@ -64,41 +64,65 @@ class PlotSedReach(APlot):
             )
         )
 
-        max_sl = reduce(
+        max_sl_num = reduce(
             lambda acc, sl: max(acc, len(sl)),
-            psl,
+            profiles_sl,
             0
         )
 
         sl = []
-        for i in range(max_sl):
+        for i in range(max_sl_num):
             cur = []
-            for csl in psl:
-                if i < len(csl):
-                    cur.append(csl[i][0])
+            for profile_sl in profiles_sl:
+                if i < len(profile_sl):
+                    cur.append(profile_sl[i][0])
                 else:
                     cur.append(0)
             sl.append(cur)
 
-        # logger.info(f"sl = {sl}")
-
         self.canvas.axes.set_xlim(
-            left = min(kp), right = max(kp)
+            left = min(kp) - 10, right = max(kp) + 10
         )
 
-        # Compute sediment layer in function to profile z_min
+        # Dummy layer with height = 0
+        f = list(map(lambda p: 0, reach.profiles))
+
+        # We compute Z sediment layer in reverse order, from last layer to
+        # fake river bottom
+        r_sl = list(reversed(sl))
         z_sl = reduce(
             lambda acc, v: acc + [
                 list(
-                    map(lambda x, y: y - x, v, acc[-1])
+                    map(lambda x, y: y + x, v, acc[-1])
                 )
             ],
-            sl,
-            [z_min]
+            r_sl,
+            [f]
+        )
+
+        # We normalize Z coordinate to 0 (the maximum must be 0)
+        f_z_max = max(z_sl[-1])
+        z_sl = list(
+            map(
+                lambda p: list(map(lambda z: z - f_z_max, p)),
+                z_sl
+            )
+        )
+
+        # We apply the river geometry bottom height at each layers to
+        # fond the new river geometry
+        z_sl = list(
+            map(
+                lambda sl: list(
+                    map(lambda z, m: z + m, sl, z_min)
+                ),
+                z_sl
+            )
         )
 
+        # Draw
         self.line_kp_sl = []
-        for i, z in enumerate(reversed(z_sl)):
+        for i, z in enumerate(z_sl):
             self.line_kp_sl.append(None)
             self.line_kp_sl[i], = self.canvas.axes.plot(
                 kp, z,