Index: interface.ccl
===================================================================
RCS file: /cactusdevcvs/CactusEinstein/ADMBase/interface.ccl,v
retrieving revision 1.7
diff -u -r1.7 interface.ccl
--- interface.ccl	8 Jan 2003 19:38:49 -0000	1.7
+++ interface.ccl	6 May 2006 17:34:12 -0000
@@ -9,22 +9,22 @@
 
 INT shift_state TYPE = SCALAR "state of storage for shift"
 
-REAL metric TYPE = GF timelevels = 3 tags='tensortypealias="DD_sym"'
+REAL metric TYPE = GF timelevels = 3 tags='tensortypealias="DD_sym" tensormetric="ADMBase::metric" ProlongationParameter="ADMBase::metric_prolongation_type"'
 {
   gxx,gxy,gxz,gyy,gyz,gzz
 } "ADM 3-metric"
 
-REAL curv TYPE = GF timelevels = 3 tags='tensortypealias="DD_sym"'
+REAL curv TYPE = GF timelevels = 3 tags='tensortypealias="DD_sym" tensormetric="ADMBase::metric" ProlongationParameter="ADMBase::metric_prolongation_type"'
 {
   kxx,kxy,kxz,kyy,kyz,kzz
 } "ADM extrinsic curvature"
 
-REAL lapse TYPE = GF timelevels = 3 tags='tensortypealias="Scalar"'
+REAL lapse TYPE = GF timelevels = 3 tags='tensortypealias="Scalar" tensormetric="ADMBase::metric" ProlongationParameter="ADMBase::lapse_prolongation_type"'
 {
   alp
 } "ADM lapse function"
 
-REAL shift TYPE = GF timelevels = 3 tags='tensortypealias="U"'
+REAL shift TYPE = GF timelevels = 3 tags='tensortypealias="U" tensormetric="ADMBase::metric" ProlongationParameter="ADMBase::shift_prolongation_type"'
 {
   betax,betay,betaz
 } "ADM shift function"
Index: param.ccl
===================================================================
RCS file: /cactusdevcvs/CactusEinstein/ADMBase/param.ccl,v
retrieving revision 1.3
diff -u -r1.3 param.ccl
--- param.ccl	30 May 2004 08:20:20 -0000	1.3
+++ param.ccl	6 May 2006 17:34:12 -0000
@@ -38,3 +38,21 @@
 {
   "physical" :: "metric and extrinsic curvature are the physical ones"
 } "physical"
+
+KEYWORD lapse_prolongation_type "The kind of boundary prolongation for the lapse"
+{
+  "Lagrange" :: "standard prolongation (requires several time levels)"
+  "none"     :: "no prolongation (use this if you do not have enough time levels active)"
+} "Lagrange"
+
+KEYWORD shift_prolongation_type "The kind of boundary prolongation for the shift"
+{
+  "Lagrange" :: "standard prolongation (requires several time levels)"
+  "none"     :: "no prolongation (use this if you do not have enough time levels active)"
+} "Lagrange"
+
+KEYWORD metric_prolongation_type "The kind of boundary prolongation for the metric and extrinsic curvature"
+{
+  "Lagrange" :: "standard prolongation (requires several time levels)"
+  "none"     :: "no prolongation (use this if you do not have enough time levels active)"
+} "Lagrange"