5 files changed, 20 insertions, 1 deletions
diff --git a/src/controller/callbacks/keyboard.c b/src/controller/callbacks/keyboard.c
index a74ac7b..d657053 100644
--- a/src/controller/callbacks/keyboard.c
+++ b/src/controller/callbacks/keyboard.c
@@ -22,6 +22,14 @@ keyboard (unsigned char key, int x, int y)
       glutPostRedisplay ();
       break;
 
+    case 'd':
+      /*
+       * Toggle display of the datarose.
+       */
+      S.datarose = !S.datarose;
+      glutPostRedisplay ();
+      break;
+
     case 'g':
       /*
        * g has been pressed.  This is used to load a selection from
diff --git a/src/controller/callbacks/reshape.c b/src/controller/callbacks/reshape.c
index 67210c5..99557b7 100644
--- a/src/controller/callbacks/reshape.c
+++ b/src/controller/callbacks/reshape.c
@@ -1,3 +1,4 @@
+#include "../../model/geometry/datarose_geometry.h"
 #include "../../model/geometry/density_legend_geometry.h"
 #include "../../view/state0.h"
 #include "../actions/set_ortho.h"
diff --git a/src/model/state/state.h b/src/model/state/state.h
index ba6d7ab..6e4f62e 100644
--- a/src/model/state/state.h
+++ b/src/model/state/state.h
@@ -108,6 +108,11 @@ typedef struct
    */
   bool legend;
 
+  /* 
+   * Display data rose.
+   */
+  bool datarose;
+
 } STATE;
 
 #endif // STATE_H
diff --git a/src/view/geometry.c b/src/view/geometry.c
index fc09ee0..3fe92b0 100644
--- a/src/view/geometry.c
+++ b/src/view/geometry.c
@@ -30,7 +30,11 @@ geometry (GLenum mode)
   if (S.legend)
     glCallList (S.list_offset + DENSITY_LEGEND_GEOMETRY);
 
-  glCallList (S.list_offset + DATAROSE_GEOMETRY);
+  /*
+   * Draw the data rose.
+   */
+  if (S.datarose)
+    glCallList (S.list_offset + DATAROSE_GEOMETRY);
 
   return;
 }
diff --git a/src/view/init.c b/src/view/init.c
index 47e8ffa..f1c1bce 100644
--- a/src/view/init.c
+++ b/src/view/init.c
@@ -27,6 +27,7 @@ init (void)
   zoom_info_init (&S.zoom);
   pan_info_init (&S.pan);
   S.legend = true;
+  S.datarose = false;
 
   /*
    * Load the data.