diff --git a/src/View/Frictions/Window.py b/src/View/Frictions/Window.py
index a7dd9e19888e61d7363bcb69b3d84ab60949c9f3..8e4959eabbbdd8760278bf7cfecda8ff994283a9 100644
--- a/src/View/Frictions/Window.py
+++ b/src/View/Frictions/Window.py
@@ -209,9 +209,7 @@ class FrictionsWindow(PamhyrWindow):
         self.update_plot(highlight)
 
     def update_plot(self, highlight=None):
-        if highlight is not None:
-            self.plot.highlight = highlight
-        self.plot.draw()
+        self.plot.draw(highlight)
 
         if highlight is not None:
             self.plot_2.highlight = highlight
diff --git a/src/View/Geometry/PlotRKZ.py b/src/View/Geometry/PlotRKZ.py
index 848f85c29617e248e772cbdc17f510290a7d0365..55fdee911b7c1e8f7f50b03ac2135c01d1153543 100644
--- a/src/View/Geometry/PlotRKZ.py
+++ b/src/View/Geometry/PlotRKZ.py
@@ -198,7 +198,7 @@ class PlotRKZ(PamhyrPlot):
         z_min = self.data.get_z_min()
         z_max = self.data.get_z_max()
 
-        self._colors, self._style = self.color_hightlight()
+        self._colors, self._style = self.color_highlight()
 
         self.line_rk_zmin_zmax = self.canvas.axes.vlines(
             x=rk, ymin=z_min, ymax=z_max,
@@ -208,7 +208,7 @@ class PlotRKZ(PamhyrPlot):
             picker=10,
         )
 
-    def color_hightlight(self):
+    def color_highlight(self):
         rows = sorted(list(
             set(
                 (i.row() for i in self.parent.tableView.selectedIndexes())
@@ -292,6 +292,8 @@ class PlotRKZ(PamhyrPlot):
         )
 
         for hs in lhs:
+            if not hs.enabled:
+                continue
             x = hs.input_rk
             if x is not None:
                 z_min = reach.get_z_min()
@@ -328,7 +330,7 @@ class PlotRKZ(PamhyrPlot):
 
     def update_current(self):
         if self._current_data_update:
-            self._colors, self._style = self.color_hightlight()
+            self._colors, self._style = self.color_highlight()
             self.line_rk_zmin_zmax.set_colors(self._colors)
             self.line_rk_zmin_zmax.set_linestyle(self._style)
 
@@ -345,7 +347,7 @@ class PlotRKZ(PamhyrPlot):
 #        TODO comprendre à quoi sert ce bout de code
 #        ========>
 #        self.line_rk_zmin_zmax.remove()
-#        self._colors, self._style = self.color_hightlight()
+#        self._colors, self._style = self.color_highlight()
 #        self.line_rk_zmin_zmax = self.canvas.axes.vlines(
 #            x=rk,
 #            ymin=z_min,
diff --git a/src/View/HydraulicStructures/PlotAC.py b/src/View/HydraulicStructures/PlotAC.py
index 31c17b22b6c8eb92a843f2de3c66408c76ae94a1..72a6a4836bc0a8e6f0956ff9286a834940f214b9 100644
--- a/src/View/HydraulicStructures/PlotAC.py
+++ b/src/View/HydraulicStructures/PlotAC.py
@@ -118,3 +118,4 @@ class PlotAC(PamhyrPlot):
     def update_clear(self):
         if self.line_rk is not None:
             self.line_rk.set_data([], [])
+        self.update_idle()
diff --git a/src/View/HydraulicStructures/PlotRKC.py b/src/View/HydraulicStructures/PlotRKC.py
index 72a16a8fd4cc860a35141f6f820fbc615b60343a..85bdd8ffcae53814211466b6d598e657b39fdab1 100644
--- a/src/View/HydraulicStructures/PlotRKC.py
+++ b/src/View/HydraulicStructures/PlotRKC.py
@@ -69,21 +69,23 @@ class PlotRKC(PamhyrPlot):
             self.profile = None
             self.line_rk_zmin_zmax = None
             self.line_rk_zmin = None
+            self.hs_vlines = None
             return
 
         if self._current_reach is None:
             self.profile = None
             self.line_rk_zmin_zmax = None
             self.line_rk_zmin = None
+            self.hs_vlines = None
             return
 
-        self.draw_data()
+        self.draw_data(highlight)
         self.draw_current()
 
         self.idle()
         self._init = True
 
-    def draw_data(self):
+    def draw_data(self, highlight):
         reach = self._current_reach
 
         rk = reach.reach.get_rk()
@@ -107,11 +109,68 @@ class PlotRKC(PamhyrPlot):
             self.line_rk_zmin_zmax = self.canvas.axes.vlines(
                 x=rk,
                 ymin=z_min, ymax=z_max,
-                color=self.color_plot,
+                color=self.color_highlight(highlight),
                 lw=1.,
                 picker=10
             )
 
+        # Draw HS
+
+        lhs = filter(
+            lambda hs: hs._input_reach is reach,
+            filter(
+                lambda hs: hs._input_reach is not None,
+                self.data.hydraulic_structures.lst
+            )
+        )
+
+        vx = []
+        vymin = []
+        vymax = []
+        self.anotate_lst = []
+        hs_color = []
+        for hs in lhs:
+            if hs.enabled:
+                hs_color.append("black")
+            else:
+                hs_color.append("darkgrey")
+            x = hs.input_rk
+            if x is not None:
+                a = self.canvas.axes.annotate(
+                    " > " + hs.name,
+                    (x, max(z_max)),
+                    horizontalalignment='left',
+                    verticalalignment='top',
+                    annotation_clip=True,
+                    fontsize=9,
+                    color=hs_color[-1],
+                )
+                self.anotate_lst.append(a)
+                vx.append(x)
+                vymin.append(min(z_min))
+                vymax.append(max(z_max))
+
+        self.hs_vlines = self.canvas.axes.vlines(
+            x=vx, ymin=vymin, ymax=vymax,
+            linestyle="--",
+            lw=1.,
+            color=hs_color,
+        )
+
+    def color_highlight(self, highlight):
+
+        reach = self._current_reach
+        colors = [self.color_plot] * reach.reach.number_profiles
+
+        if highlight is not None:
+            rk = reach.reach.get_rk()
+            rows = [i for i in range(len(rk))
+                    if (rk[i] >= highlight[0] and rk[i] <= highlight[1])]
+            if len(rows) > 0:
+                for row in rows:
+                    colors[row] = self.color_plot_current
+        return colors
+
     def draw_current(self):
         if self._current_profile is None:
             self.profile = None
@@ -166,11 +225,19 @@ class PlotRKC(PamhyrPlot):
         if self.line_rk_zmin is not None:
             self.line_rk_zmin.set_data([], [])
 
+        if self.hs_vlines is not None:
+            self.hs_vlines.remove()
+            self.hs_vlines = None
+
+        for a in self.anotate_lst:
+            a.remove()
+        self.anotate_lst = []
+
         self.canvas.figure.canvas.draw_idle()
 
     def clear_profile(self):
         if self.profile is not None:
-            self.profile.set_data([], [])
+            self.profile[0].set_data([], [])
 
         self.canvas.figure.canvas.draw_idle()