diff --git a/simgear/scene/model/Makefile.am b/simgear/scene/model/Makefile.am
index d376bdb2..e12c5829 100644
--- a/simgear/scene/model/Makefile.am
+++ b/simgear/scene/model/Makefile.am
@@ -11,7 +11,8 @@ include_HEADERS = \
 	model.hxx \
 	modellib.hxx \
 	personality.hxx \
-	placement.hxx
+	placement.hxx \
+	placementtrans.hxx
 
 libsgmodel_a_SOURCES = \
 	animation.cxx \
@@ -20,6 +21,7 @@ libsgmodel_a_SOURCES = \
 	model.cxx \
 	modellib.cxx \
 	personality.cxx \
-	placement.cxx
+	placement.cxx \
+	placementtrans.cxx
 
 INCLUDES = -I$(top_srcdir)
diff --git a/simgear/scene/model/location.hxx b/simgear/scene/model/location.hxx
index 4c2ac30f..f1da39ca 100644
--- a/simgear/scene/model/location.hxx
+++ b/simgear/scene/model/location.hxx
@@ -109,19 +109,21 @@ public:
     void set_cur_elev_m ( double elev ) { _cur_elev_m = elev; }
     inline double get_cur_elev_m () { return _cur_elev_m; }
     // Interface to current buckets for use with tilemgr...
-    void set_tile_center ( Point3D tile_center ) { _tile_center = tile_center; }
+    void set_tile_center ( Point3D tile_center ) { set_dirty(); _tile_center = tile_center; }
     inline Point3D get_tile_center () { return _tile_center; }
 
     // Matrices...
     virtual const sgVec4 *getTransformMatrix( const Point3D scenery_center ) {
-        if ( _dirty ) {
+        if ( _dirty || scenery_center != _scenery_center ) {
+            _scenery_center = scenery_center;
             recalc( scenery_center );
         }
 	return TRANS;
     }
     virtual const sgVec4 *getCachedTransformMatrix() { return TRANS; }
     virtual const sgVec4 *getUpMatrix( const Point3D scenery_center )  {
-        if ( _dirty ) {
+        if ( _dirty || scenery_center != _scenery_center ) {
+            _scenery_center = scenery_center;
             recalc( scenery_center );
         }
 	return UP;
@@ -153,6 +155,7 @@ private:
     // elevation of ground under this location...
     double _cur_elev_m;
     Point3D _tile_center;
+    Point3D _scenery_center;
 
     // surface vector heading south
     sgVec3 _surface_south;
diff --git a/simgear/scene/model/placement.cxx b/simgear/scene/model/placement.cxx
index cbee20f5..38a622ad 100644
--- a/simgear/scene/model/placement.cxx
+++ b/simgear/scene/model/placement.cxx
@@ -11,18 +11,15 @@
 
 #include <string.h>             // for strcmp()
 
-#include <vector>
-
 #include <plib/sg.h>
 #include <plib/ssg.h>
 #include <plib/ul.h>
 
 #include "location.hxx"
+#include "placementtrans.hxx"
 
 #include "placement.hxx"
 
-SG_USING_STD(vector);
-
 
 
 ////////////////////////////////////////////////////////////////////////
@@ -37,7 +34,7 @@ SGModelPlacement::SGModelPlacement ()
     _pitch_deg(0),
     _heading_deg(0),
     _selector(new ssgSelector),
-    _position(new ssgTransform),
+    _position(new ssgPlacementTransform),
     _location(new SGLocation)
 {
 }
@@ -73,7 +70,12 @@ SGModelPlacement::update( const Point3D scenery_center )
       POS[i][j] += (tmp * trans[j]);
     }
   }
-  _position->setTransform(POS);
+//   _position->setTransform(POS);
+  _position->setTransform(_location->get_absolute_view_pos(scenery_center), POS);
+  sgdVec3 center;
+  sgdSetVec3(center,
+             scenery_center.x(), scenery_center.y(), scenery_center.z());
+  _position->setSceneryCenter(center);
 }
 
 bool
diff --git a/simgear/scene/model/placement.hxx b/simgear/scene/model/placement.hxx
index cf399676..99919a41 100644
--- a/simgear/scene/model/placement.hxx
+++ b/simgear/scene/model/placement.hxx
@@ -11,10 +11,6 @@
 # error This library requires C++
 #endif
 
-#include <vector>
-
-SG_USING_STD(vector);
-
 #include <plib/sg.h>
 #include <plib/ssg.h>
 
@@ -24,6 +20,7 @@ SG_USING_STD(vector);
 
 // Don't pull in the headers, since we don't need them here.
 class SGLocation;
+class ssgPlacementTransform;
 
 
 // Has anyone done anything *really* stupid, like making min and max macros?
@@ -86,6 +83,9 @@ public:
   // Allows multiplayer to get players position transform
   virtual const sgVec4 *get_POS() { return POS; }
 
+  ssgPlacementTransform * getTransform(void)
+  { return _position; }
+
 private:
 
                                 // Geodetic position
@@ -99,7 +99,8 @@ private:
   double _heading_deg;
 
   ssgSelector * _selector;
-  ssgTransform * _position;
+//   ssgTransform * _position;
+  ssgPlacementTransform * _position;
 
                                 // Location
   SGLocation * _location;