diff --git a/src/datalink/joint.h b/src/datalink/joint.h
index 70e4054ef64cc3b249e8bbea6e771724d2eb1483..7ad49e2151a0d98043ba15db347e2b8129cc9732 100644
--- a/src/datalink/joint.h
+++ b/src/datalink/joint.h
@@ -1,11 +1,9 @@
 class joint : public worldobject
-{
+{ protected:
+ vector<int> j1;
+
+
 
-//constructor
-joint()
-{ coordinate_pos =41.45;
-  coordinate_hand =44.39;
-  coordinate_orientn =22.29;
-}
 
-}
\ No newline at end of file
+
+}