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authoreschnett <>2001-03-01 11:40:00 +0000
committereschnett <>2001-03-01 11:40:00 +0000
commit310f0ea48d18866b773136aed11200b6eda6378b (patch)
tree445d3e34ce8b89812994b6614f7bc9f4acbc7fe2 /CarpetAttic/Cart3dTest/test/periodic-z
Initial revision
darcs-hash:20010301114010-f6438-12fb8a9ffcc80e86c0a97e37b5b0dae0dbc59b79.gz
Diffstat (limited to 'CarpetAttic/Cart3dTest/test/periodic-z')
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/ax.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/ax.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/ax.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/ay.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/ay.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/ay.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/az.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/az.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/az.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxx.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxx.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxx.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxy.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxy.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxy.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxz.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxz.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fxz.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyx.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyx.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyx.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyy.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyy.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyy.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyz.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyz.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fyz.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzx.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzx.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzx.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzy.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzy.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzy.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzz.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzz.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/fzz.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/s.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/s.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/s.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txx.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txx.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txx.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txy.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txy.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txy.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txz.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txz.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/txz.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tyy.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tyy.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tyy.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tyz.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tyz.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tyz.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tzz.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tzz.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/tzz.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vx.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vx.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vx.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vy.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vy.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vy.zl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vz.xl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vz.yl34
-rw-r--r--CarpetAttic/Cart3dTest/test/periodic-z/vz.zl34
78 files changed, 2652 insertions, 0 deletions
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/ax.xl b/CarpetAttic/Cart3dTest/test/periodic-z/ax.xl
new file mode 100644
index 000000000..a6dd976ff
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/ax.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::ax x (ax)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 31000505
+0 0 0 0 0 1 5 5 31010505
+0 0 0 0 0 2 5 5 31020505
+0 0 0 0 0 3 5 5 31030505
+0 0 0 0 0 4 5 5 31040505
+0 0 0 0 0 5 5 5 31050505
+0 0 0 0 0 6 5 5 31060505
+0 0 0 0 0 7 5 5 31070505
+0 0 0 0 0 8 5 5 31080505
+0 0 0 0 0 9 5 5 31090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 31000505
+1 0 0 0 0 1 5 5 31010505
+1 0 0 0 0 2 5 5 31020505
+1 0 0 0 0 3 5 5 31030505
+1 0 0 0 0 4 5 5 31040505
+1 0 0 0 0 5 5 5 31050505
+1 0 0 0 0 6 5 5 31060505
+1 0 0 0 0 7 5 5 31070505
+1 0 0 0 0 8 5 5 31080505
+1 0 0 0 0 9 5 5 31090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/ax.yl b/CarpetAttic/Cart3dTest/test/periodic-z/ax.yl
new file mode 100644
index 000000000..230d653ff
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/ax.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::ax y (ax)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 31050005
+0 0 0 0 0 5 1 5 31050105
+0 0 0 0 0 5 2 5 31050205
+0 0 0 0 0 5 3 5 31050305
+0 0 0 0 0 5 4 5 31050405
+0 0 0 0 0 5 5 5 31050505
+0 0 0 0 0 5 6 5 31050605
+0 0 0 0 0 5 7 5 31050705
+0 0 0 0 0 5 8 5 31050805
+0 0 0 0 0 5 9 5 31050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 31050005
+1 0 0 0 0 5 1 5 31050105
+1 0 0 0 0 5 2 5 31050205
+1 0 0 0 0 5 3 5 31050305
+1 0 0 0 0 5 4 5 31050405
+1 0 0 0 0 5 5 5 31050505
+1 0 0 0 0 5 6 5 31050605
+1 0 0 0 0 5 7 5 31050705
+1 0 0 0 0 5 8 5 31050805
+1 0 0 0 0 5 9 5 31050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/ax.zl b/CarpetAttic/Cart3dTest/test/periodic-z/ax.zl
new file mode 100644
index 000000000..d8ddff9e5
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/ax.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::ax z (ax)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 31050500
+0 0 0 0 0 5 5 1 31050501
+0 0 0 0 0 5 5 2 31050502
+0 0 0 0 0 5 5 3 31050503
+0 0 0 0 0 5 5 4 31050504
+0 0 0 0 0 5 5 5 31050505
+0 0 0 0 0 5 5 6 31050506
+0 0 0 0 0 5 5 7 31050507
+0 0 0 0 0 5 5 8 31050508
+0 0 0 0 0 5 5 9 31050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 31050506
+1 0 0 0 0 5 5 1 31050507
+1 0 0 0 0 5 5 2 31050502
+1 0 0 0 0 5 5 3 31050503
+1 0 0 0 0 5 5 4 31050504
+1 0 0 0 0 5 5 5 31050505
+1 0 0 0 0 5 5 6 31050506
+1 0 0 0 0 5 5 7 31050507
+1 0 0 0 0 5 5 8 31050502
+1 0 0 0 0 5 5 9 31050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/ay.xl b/CarpetAttic/Cart3dTest/test/periodic-z/ay.xl
new file mode 100644
index 000000000..d98eb4ea0
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/ay.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::ay x (ay)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 32000505
+0 0 0 0 0 1 5 5 32010505
+0 0 0 0 0 2 5 5 32020505
+0 0 0 0 0 3 5 5 32030505
+0 0 0 0 0 4 5 5 32040505
+0 0 0 0 0 5 5 5 32050505
+0 0 0 0 0 6 5 5 32060505
+0 0 0 0 0 7 5 5 32070505
+0 0 0 0 0 8 5 5 32080505
+0 0 0 0 0 9 5 5 32090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 32000505
+1 0 0 0 0 1 5 5 32010505
+1 0 0 0 0 2 5 5 32020505
+1 0 0 0 0 3 5 5 32030505
+1 0 0 0 0 4 5 5 32040505
+1 0 0 0 0 5 5 5 32050505
+1 0 0 0 0 6 5 5 32060505
+1 0 0 0 0 7 5 5 32070505
+1 0 0 0 0 8 5 5 32080505
+1 0 0 0 0 9 5 5 32090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/ay.yl b/CarpetAttic/Cart3dTest/test/periodic-z/ay.yl
new file mode 100644
index 000000000..544d74dd3
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/ay.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::ay y (ay)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 32050005
+0 0 0 0 0 5 1 5 32050105
+0 0 0 0 0 5 2 5 32050205
+0 0 0 0 0 5 3 5 32050305
+0 0 0 0 0 5 4 5 32050405
+0 0 0 0 0 5 5 5 32050505
+0 0 0 0 0 5 6 5 32050605
+0 0 0 0 0 5 7 5 32050705
+0 0 0 0 0 5 8 5 32050805
+0 0 0 0 0 5 9 5 32050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 32050005
+1 0 0 0 0 5 1 5 32050105
+1 0 0 0 0 5 2 5 32050205
+1 0 0 0 0 5 3 5 32050305
+1 0 0 0 0 5 4 5 32050405
+1 0 0 0 0 5 5 5 32050505
+1 0 0 0 0 5 6 5 32050605
+1 0 0 0 0 5 7 5 32050705
+1 0 0 0 0 5 8 5 32050805
+1 0 0 0 0 5 9 5 32050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/ay.zl b/CarpetAttic/Cart3dTest/test/periodic-z/ay.zl
new file mode 100644
index 000000000..fff87a090
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/ay.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::ay z (ay)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 32050500
+0 0 0 0 0 5 5 1 32050501
+0 0 0 0 0 5 5 2 32050502
+0 0 0 0 0 5 5 3 32050503
+0 0 0 0 0 5 5 4 32050504
+0 0 0 0 0 5 5 5 32050505
+0 0 0 0 0 5 5 6 32050506
+0 0 0 0 0 5 5 7 32050507
+0 0 0 0 0 5 5 8 32050508
+0 0 0 0 0 5 5 9 32050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 32050506
+1 0 0 0 0 5 5 1 32050507
+1 0 0 0 0 5 5 2 32050502
+1 0 0 0 0 5 5 3 32050503
+1 0 0 0 0 5 5 4 32050504
+1 0 0 0 0 5 5 5 32050505
+1 0 0 0 0 5 5 6 32050506
+1 0 0 0 0 5 5 7 32050507
+1 0 0 0 0 5 5 8 32050502
+1 0 0 0 0 5 5 9 32050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/az.xl b/CarpetAttic/Cart3dTest/test/periodic-z/az.xl
new file mode 100644
index 000000000..9c2733464
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/az.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::az x (az)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 33000505
+0 0 0 0 0 1 5 5 33010505
+0 0 0 0 0 2 5 5 33020505
+0 0 0 0 0 3 5 5 33030505
+0 0 0 0 0 4 5 5 33040505
+0 0 0 0 0 5 5 5 33050505
+0 0 0 0 0 6 5 5 33060505
+0 0 0 0 0 7 5 5 33070505
+0 0 0 0 0 8 5 5 33080505
+0 0 0 0 0 9 5 5 33090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 33000505
+1 0 0 0 0 1 5 5 33010505
+1 0 0 0 0 2 5 5 33020505
+1 0 0 0 0 3 5 5 33030505
+1 0 0 0 0 4 5 5 33040505
+1 0 0 0 0 5 5 5 33050505
+1 0 0 0 0 6 5 5 33060505
+1 0 0 0 0 7 5 5 33070505
+1 0 0 0 0 8 5 5 33080505
+1 0 0 0 0 9 5 5 33090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/az.yl b/CarpetAttic/Cart3dTest/test/periodic-z/az.yl
new file mode 100644
index 000000000..d6681d1c1
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/az.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::az y (az)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 33050005
+0 0 0 0 0 5 1 5 33050105
+0 0 0 0 0 5 2 5 33050205
+0 0 0 0 0 5 3 5 33050305
+0 0 0 0 0 5 4 5 33050405
+0 0 0 0 0 5 5 5 33050505
+0 0 0 0 0 5 6 5 33050605
+0 0 0 0 0 5 7 5 33050705
+0 0 0 0 0 5 8 5 33050805
+0 0 0 0 0 5 9 5 33050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 33050005
+1 0 0 0 0 5 1 5 33050105
+1 0 0 0 0 5 2 5 33050205
+1 0 0 0 0 5 3 5 33050305
+1 0 0 0 0 5 4 5 33050405
+1 0 0 0 0 5 5 5 33050505
+1 0 0 0 0 5 6 5 33050605
+1 0 0 0 0 5 7 5 33050705
+1 0 0 0 0 5 8 5 33050805
+1 0 0 0 0 5 9 5 33050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/az.zl b/CarpetAttic/Cart3dTest/test/periodic-z/az.zl
new file mode 100644
index 000000000..c25f07cd1
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/az.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::az z (az)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 33050500
+0 0 0 0 0 5 5 1 33050501
+0 0 0 0 0 5 5 2 33050502
+0 0 0 0 0 5 5 3 33050503
+0 0 0 0 0 5 5 4 33050504
+0 0 0 0 0 5 5 5 33050505
+0 0 0 0 0 5 5 6 33050506
+0 0 0 0 0 5 5 7 33050507
+0 0 0 0 0 5 5 8 33050508
+0 0 0 0 0 5 5 9 33050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 33050506
+1 0 0 0 0 5 5 1 33050507
+1 0 0 0 0 5 5 2 33050502
+1 0 0 0 0 5 5 3 33050503
+1 0 0 0 0 5 5 4 33050504
+1 0 0 0 0 5 5 5 33050505
+1 0 0 0 0 5 5 6 33050506
+1 0 0 0 0 5 5 7 33050507
+1 0 0 0 0 5 5 8 33050502
+1 0 0 0 0 5 5 9 33050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.xl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.xl
new file mode 100644
index 000000000..22e840206
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.xl
@@ -0,0 +1,34 @@
+# GRID::cart3d_x x (cart3d_x)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 -1.35
+0 0 0 0 0 1 5 5 -1.05
+0 0 0 0 0 2 5 5 -0.75
+0 0 0 0 0 3 5 5 -0.45
+0 0 0 0 0 4 5 5 -0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 6 5 5 0.45
+0 0 0 0 0 7 5 5 0.75
+0 0 0 0 0 8 5 5 1.05
+0 0 0 0 0 9 5 5 1.35
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 -1.35
+1 0 0 0 0 1 5 5 -1.05
+1 0 0 0 0 2 5 5 -0.75
+1 0 0 0 0 3 5 5 -0.45
+1 0 0 0 0 4 5 5 -0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 6 5 5 0.45
+1 0 0 0 0 7 5 5 0.75
+1 0 0 0 0 8 5 5 1.05
+1 0 0 0 0 9 5 5 1.35
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.yl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.yl
new file mode 100644
index 000000000..592815c82
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.yl
@@ -0,0 +1,34 @@
+# GRID::cart3d_x y (cart3d_x)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 0.15
+0 0 0 0 0 5 1 5 0.15
+0 0 0 0 0 5 2 5 0.15
+0 0 0 0 0 5 3 5 0.15
+0 0 0 0 0 5 4 5 0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 5 6 5 0.15
+0 0 0 0 0 5 7 5 0.15
+0 0 0 0 0 5 8 5 0.15
+0 0 0 0 0 5 9 5 0.15
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 0.15
+1 0 0 0 0 5 1 5 0.15
+1 0 0 0 0 5 2 5 0.15
+1 0 0 0 0 5 3 5 0.15
+1 0 0 0 0 5 4 5 0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 5 6 5 0.15
+1 0 0 0 0 5 7 5 0.15
+1 0 0 0 0 5 8 5 0.15
+1 0 0 0 0 5 9 5 0.15
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.zl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.zl
new file mode 100644
index 000000000..1f894853b
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_x.zl
@@ -0,0 +1,34 @@
+# GRID::cart3d_x z (cart3d_x)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 0.15
+0 0 0 0 0 5 5 1 0.15
+0 0 0 0 0 5 5 2 0.15
+0 0 0 0 0 5 5 3 0.15
+0 0 0 0 0 5 5 4 0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 5 5 6 0.15
+0 0 0 0 0 5 5 7 0.15
+0 0 0 0 0 5 5 8 0.15
+0 0 0 0 0 5 5 9 0.15
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 0.15
+1 0 0 0 0 5 5 1 0.15
+1 0 0 0 0 5 5 2 0.15
+1 0 0 0 0 5 5 3 0.15
+1 0 0 0 0 5 5 4 0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 5 5 6 0.15
+1 0 0 0 0 5 5 7 0.15
+1 0 0 0 0 5 5 8 0.15
+1 0 0 0 0 5 5 9 0.15
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.xl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.xl
new file mode 100644
index 000000000..8ee8190c4
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.xl
@@ -0,0 +1,34 @@
+# GRID::cart3d_y x (cart3d_y)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 0.15
+0 0 0 0 0 1 5 5 0.15
+0 0 0 0 0 2 5 5 0.15
+0 0 0 0 0 3 5 5 0.15
+0 0 0 0 0 4 5 5 0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 6 5 5 0.15
+0 0 0 0 0 7 5 5 0.15
+0 0 0 0 0 8 5 5 0.15
+0 0 0 0 0 9 5 5 0.15
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 0.15
+1 0 0 0 0 1 5 5 0.15
+1 0 0 0 0 2 5 5 0.15
+1 0 0 0 0 3 5 5 0.15
+1 0 0 0 0 4 5 5 0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 6 5 5 0.15
+1 0 0 0 0 7 5 5 0.15
+1 0 0 0 0 8 5 5 0.15
+1 0 0 0 0 9 5 5 0.15
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.yl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.yl
new file mode 100644
index 000000000..aec69999e
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.yl
@@ -0,0 +1,34 @@
+# GRID::cart3d_y y (cart3d_y)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 -1.35
+0 0 0 0 0 5 1 5 -1.05
+0 0 0 0 0 5 2 5 -0.75
+0 0 0 0 0 5 3 5 -0.45
+0 0 0 0 0 5 4 5 -0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 5 6 5 0.45
+0 0 0 0 0 5 7 5 0.75
+0 0 0 0 0 5 8 5 1.05
+0 0 0 0 0 5 9 5 1.35
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 -1.35
+1 0 0 0 0 5 1 5 -1.05
+1 0 0 0 0 5 2 5 -0.75
+1 0 0 0 0 5 3 5 -0.45
+1 0 0 0 0 5 4 5 -0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 5 6 5 0.45
+1 0 0 0 0 5 7 5 0.75
+1 0 0 0 0 5 8 5 1.05
+1 0 0 0 0 5 9 5 1.35
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.zl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.zl
new file mode 100644
index 000000000..f32f3acb9
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_y.zl
@@ -0,0 +1,34 @@
+# GRID::cart3d_y z (cart3d_y)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 0.15
+0 0 0 0 0 5 5 1 0.15
+0 0 0 0 0 5 5 2 0.15
+0 0 0 0 0 5 5 3 0.15
+0 0 0 0 0 5 5 4 0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 5 5 6 0.15
+0 0 0 0 0 5 5 7 0.15
+0 0 0 0 0 5 5 8 0.15
+0 0 0 0 0 5 5 9 0.15
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 0.15
+1 0 0 0 0 5 5 1 0.15
+1 0 0 0 0 5 5 2 0.15
+1 0 0 0 0 5 5 3 0.15
+1 0 0 0 0 5 5 4 0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 5 5 6 0.15
+1 0 0 0 0 5 5 7 0.15
+1 0 0 0 0 5 5 8 0.15
+1 0 0 0 0 5 5 9 0.15
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.xl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.xl
new file mode 100644
index 000000000..400b19f39
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.xl
@@ -0,0 +1,34 @@
+# GRID::cart3d_z x (cart3d_z)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 0.15
+0 0 0 0 0 1 5 5 0.15
+0 0 0 0 0 2 5 5 0.15
+0 0 0 0 0 3 5 5 0.15
+0 0 0 0 0 4 5 5 0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 6 5 5 0.15
+0 0 0 0 0 7 5 5 0.15
+0 0 0 0 0 8 5 5 0.15
+0 0 0 0 0 9 5 5 0.15
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 0.15
+1 0 0 0 0 1 5 5 0.15
+1 0 0 0 0 2 5 5 0.15
+1 0 0 0 0 3 5 5 0.15
+1 0 0 0 0 4 5 5 0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 6 5 5 0.15
+1 0 0 0 0 7 5 5 0.15
+1 0 0 0 0 8 5 5 0.15
+1 0 0 0 0 9 5 5 0.15
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.yl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.yl
new file mode 100644
index 000000000..0373176c5
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.yl
@@ -0,0 +1,34 @@
+# GRID::cart3d_z y (cart3d_z)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 0.15
+0 0 0 0 0 5 1 5 0.15
+0 0 0 0 0 5 2 5 0.15
+0 0 0 0 0 5 3 5 0.15
+0 0 0 0 0 5 4 5 0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 5 6 5 0.15
+0 0 0 0 0 5 7 5 0.15
+0 0 0 0 0 5 8 5 0.15
+0 0 0 0 0 5 9 5 0.15
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 0.15
+1 0 0 0 0 5 1 5 0.15
+1 0 0 0 0 5 2 5 0.15
+1 0 0 0 0 5 3 5 0.15
+1 0 0 0 0 5 4 5 0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 5 6 5 0.15
+1 0 0 0 0 5 7 5 0.15
+1 0 0 0 0 5 8 5 0.15
+1 0 0 0 0 5 9 5 0.15
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.zl b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.zl
new file mode 100644
index 000000000..6fd48c20b
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/cart3d_z.zl
@@ -0,0 +1,34 @@
+# GRID::cart3d_z z (cart3d_z)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 -1.35
+0 0 0 0 0 5 5 1 -1.05
+0 0 0 0 0 5 5 2 -0.75
+0 0 0 0 0 5 5 3 -0.45
+0 0 0 0 0 5 5 4 -0.15
+0 0 0 0 0 5 5 5 0.15
+0 0 0 0 0 5 5 6 0.45
+0 0 0 0 0 5 5 7 0.75
+0 0 0 0 0 5 5 8 1.05
+0 0 0 0 0 5 5 9 1.35
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 -1.35
+1 0 0 0 0 5 5 1 -1.05
+1 0 0 0 0 5 5 2 -0.75
+1 0 0 0 0 5 5 3 -0.45
+1 0 0 0 0 5 5 4 -0.15
+1 0 0 0 0 5 5 5 0.15
+1 0 0 0 0 5 5 6 0.45
+1 0 0 0 0 5 5 7 0.75
+1 0 0 0 0 5 5 8 1.05
+1 0 0 0 0 5 5 9 1.35
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxx.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fxx.xl
new file mode 100644
index 000000000..f4e4dc8fd
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxx.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxx x (fxx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 41000505
+0 0 0 0 0 1 5 5 41010505
+0 0 0 0 0 2 5 5 41020505
+0 0 0 0 0 3 5 5 41030505
+0 0 0 0 0 4 5 5 41040505
+0 0 0 0 0 5 5 5 41050505
+0 0 0 0 0 6 5 5 41060505
+0 0 0 0 0 7 5 5 41070505
+0 0 0 0 0 8 5 5 41080505
+0 0 0 0 0 9 5 5 41090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 41000505
+1 0 0 0 0 1 5 5 41010505
+1 0 0 0 0 2 5 5 41020505
+1 0 0 0 0 3 5 5 41030505
+1 0 0 0 0 4 5 5 41040505
+1 0 0 0 0 5 5 5 41050505
+1 0 0 0 0 6 5 5 41060505
+1 0 0 0 0 7 5 5 41070505
+1 0 0 0 0 8 5 5 41080505
+1 0 0 0 0 9 5 5 41090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxx.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fxx.yl
new file mode 100644
index 000000000..153dc4e30
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxx.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxx y (fxx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 41050005
+0 0 0 0 0 5 1 5 41050105
+0 0 0 0 0 5 2 5 41050205
+0 0 0 0 0 5 3 5 41050305
+0 0 0 0 0 5 4 5 41050405
+0 0 0 0 0 5 5 5 41050505
+0 0 0 0 0 5 6 5 41050605
+0 0 0 0 0 5 7 5 41050705
+0 0 0 0 0 5 8 5 41050805
+0 0 0 0 0 5 9 5 41050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 41050005
+1 0 0 0 0 5 1 5 41050105
+1 0 0 0 0 5 2 5 41050205
+1 0 0 0 0 5 3 5 41050305
+1 0 0 0 0 5 4 5 41050405
+1 0 0 0 0 5 5 5 41050505
+1 0 0 0 0 5 6 5 41050605
+1 0 0 0 0 5 7 5 41050705
+1 0 0 0 0 5 8 5 41050805
+1 0 0 0 0 5 9 5 41050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxx.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fxx.zl
new file mode 100644
index 000000000..64395ee5f
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxx.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxx z (fxx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 41050500
+0 0 0 0 0 5 5 1 41050501
+0 0 0 0 0 5 5 2 41050502
+0 0 0 0 0 5 5 3 41050503
+0 0 0 0 0 5 5 4 41050504
+0 0 0 0 0 5 5 5 41050505
+0 0 0 0 0 5 5 6 41050506
+0 0 0 0 0 5 5 7 41050507
+0 0 0 0 0 5 5 8 41050508
+0 0 0 0 0 5 5 9 41050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 41050506
+1 0 0 0 0 5 5 1 41050507
+1 0 0 0 0 5 5 2 41050502
+1 0 0 0 0 5 5 3 41050503
+1 0 0 0 0 5 5 4 41050504
+1 0 0 0 0 5 5 5 41050505
+1 0 0 0 0 5 5 6 41050506
+1 0 0 0 0 5 5 7 41050507
+1 0 0 0 0 5 5 8 41050502
+1 0 0 0 0 5 5 9 41050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxy.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fxy.xl
new file mode 100644
index 000000000..bec381f14
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxy.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxy x (fxy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 42000505
+0 0 0 0 0 1 5 5 42010505
+0 0 0 0 0 2 5 5 42020505
+0 0 0 0 0 3 5 5 42030505
+0 0 0 0 0 4 5 5 42040505
+0 0 0 0 0 5 5 5 42050505
+0 0 0 0 0 6 5 5 42060505
+0 0 0 0 0 7 5 5 42070505
+0 0 0 0 0 8 5 5 42080505
+0 0 0 0 0 9 5 5 42090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 42000505
+1 0 0 0 0 1 5 5 42010505
+1 0 0 0 0 2 5 5 42020505
+1 0 0 0 0 3 5 5 42030505
+1 0 0 0 0 4 5 5 42040505
+1 0 0 0 0 5 5 5 42050505
+1 0 0 0 0 6 5 5 42060505
+1 0 0 0 0 7 5 5 42070505
+1 0 0 0 0 8 5 5 42080505
+1 0 0 0 0 9 5 5 42090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxy.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fxy.yl
new file mode 100644
index 000000000..4a0d7a418
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxy.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxy y (fxy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 42050005
+0 0 0 0 0 5 1 5 42050105
+0 0 0 0 0 5 2 5 42050205
+0 0 0 0 0 5 3 5 42050305
+0 0 0 0 0 5 4 5 42050405
+0 0 0 0 0 5 5 5 42050505
+0 0 0 0 0 5 6 5 42050605
+0 0 0 0 0 5 7 5 42050705
+0 0 0 0 0 5 8 5 42050805
+0 0 0 0 0 5 9 5 42050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 42050005
+1 0 0 0 0 5 1 5 42050105
+1 0 0 0 0 5 2 5 42050205
+1 0 0 0 0 5 3 5 42050305
+1 0 0 0 0 5 4 5 42050405
+1 0 0 0 0 5 5 5 42050505
+1 0 0 0 0 5 6 5 42050605
+1 0 0 0 0 5 7 5 42050705
+1 0 0 0 0 5 8 5 42050805
+1 0 0 0 0 5 9 5 42050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxy.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fxy.zl
new file mode 100644
index 000000000..1e6801dbd
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxy.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxy z (fxy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 42050500
+0 0 0 0 0 5 5 1 42050501
+0 0 0 0 0 5 5 2 42050502
+0 0 0 0 0 5 5 3 42050503
+0 0 0 0 0 5 5 4 42050504
+0 0 0 0 0 5 5 5 42050505
+0 0 0 0 0 5 5 6 42050506
+0 0 0 0 0 5 5 7 42050507
+0 0 0 0 0 5 5 8 42050508
+0 0 0 0 0 5 5 9 42050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 42050506
+1 0 0 0 0 5 5 1 42050507
+1 0 0 0 0 5 5 2 42050502
+1 0 0 0 0 5 5 3 42050503
+1 0 0 0 0 5 5 4 42050504
+1 0 0 0 0 5 5 5 42050505
+1 0 0 0 0 5 5 6 42050506
+1 0 0 0 0 5 5 7 42050507
+1 0 0 0 0 5 5 8 42050502
+1 0 0 0 0 5 5 9 42050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxz.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fxz.xl
new file mode 100644
index 000000000..1a33e9082
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxz.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxz x (fxz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 43000505
+0 0 0 0 0 1 5 5 43010505
+0 0 0 0 0 2 5 5 43020505
+0 0 0 0 0 3 5 5 43030505
+0 0 0 0 0 4 5 5 43040505
+0 0 0 0 0 5 5 5 43050505
+0 0 0 0 0 6 5 5 43060505
+0 0 0 0 0 7 5 5 43070505
+0 0 0 0 0 8 5 5 43080505
+0 0 0 0 0 9 5 5 43090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 43000505
+1 0 0 0 0 1 5 5 43010505
+1 0 0 0 0 2 5 5 43020505
+1 0 0 0 0 3 5 5 43030505
+1 0 0 0 0 4 5 5 43040505
+1 0 0 0 0 5 5 5 43050505
+1 0 0 0 0 6 5 5 43060505
+1 0 0 0 0 7 5 5 43070505
+1 0 0 0 0 8 5 5 43080505
+1 0 0 0 0 9 5 5 43090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxz.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fxz.yl
new file mode 100644
index 000000000..866f8e838
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxz.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxz y (fxz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 43050005
+0 0 0 0 0 5 1 5 43050105
+0 0 0 0 0 5 2 5 43050205
+0 0 0 0 0 5 3 5 43050305
+0 0 0 0 0 5 4 5 43050405
+0 0 0 0 0 5 5 5 43050505
+0 0 0 0 0 5 6 5 43050605
+0 0 0 0 0 5 7 5 43050705
+0 0 0 0 0 5 8 5 43050805
+0 0 0 0 0 5 9 5 43050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 43050005
+1 0 0 0 0 5 1 5 43050105
+1 0 0 0 0 5 2 5 43050205
+1 0 0 0 0 5 3 5 43050305
+1 0 0 0 0 5 4 5 43050405
+1 0 0 0 0 5 5 5 43050505
+1 0 0 0 0 5 6 5 43050605
+1 0 0 0 0 5 7 5 43050705
+1 0 0 0 0 5 8 5 43050805
+1 0 0 0 0 5 9 5 43050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fxz.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fxz.zl
new file mode 100644
index 000000000..d110a11d6
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fxz.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fxz z (fxz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 43050500
+0 0 0 0 0 5 5 1 43050501
+0 0 0 0 0 5 5 2 43050502
+0 0 0 0 0 5 5 3 43050503
+0 0 0 0 0 5 5 4 43050504
+0 0 0 0 0 5 5 5 43050505
+0 0 0 0 0 5 5 6 43050506
+0 0 0 0 0 5 5 7 43050507
+0 0 0 0 0 5 5 8 43050508
+0 0 0 0 0 5 5 9 43050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 43050506
+1 0 0 0 0 5 5 1 43050507
+1 0 0 0 0 5 5 2 43050502
+1 0 0 0 0 5 5 3 43050503
+1 0 0 0 0 5 5 4 43050504
+1 0 0 0 0 5 5 5 43050505
+1 0 0 0 0 5 5 6 43050506
+1 0 0 0 0 5 5 7 43050507
+1 0 0 0 0 5 5 8 43050502
+1 0 0 0 0 5 5 9 43050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyx.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fyx.xl
new file mode 100644
index 000000000..cae9cbe2d
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyx.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyx x (fyx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 44000505
+0 0 0 0 0 1 5 5 44010505
+0 0 0 0 0 2 5 5 44020505
+0 0 0 0 0 3 5 5 44030505
+0 0 0 0 0 4 5 5 44040505
+0 0 0 0 0 5 5 5 44050505
+0 0 0 0 0 6 5 5 44060505
+0 0 0 0 0 7 5 5 44070505
+0 0 0 0 0 8 5 5 44080505
+0 0 0 0 0 9 5 5 44090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 44000505
+1 0 0 0 0 1 5 5 44010505
+1 0 0 0 0 2 5 5 44020505
+1 0 0 0 0 3 5 5 44030505
+1 0 0 0 0 4 5 5 44040505
+1 0 0 0 0 5 5 5 44050505
+1 0 0 0 0 6 5 5 44060505
+1 0 0 0 0 7 5 5 44070505
+1 0 0 0 0 8 5 5 44080505
+1 0 0 0 0 9 5 5 44090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyx.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fyx.yl
new file mode 100644
index 000000000..5f874165c
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyx.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyx y (fyx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 44050005
+0 0 0 0 0 5 1 5 44050105
+0 0 0 0 0 5 2 5 44050205
+0 0 0 0 0 5 3 5 44050305
+0 0 0 0 0 5 4 5 44050405
+0 0 0 0 0 5 5 5 44050505
+0 0 0 0 0 5 6 5 44050605
+0 0 0 0 0 5 7 5 44050705
+0 0 0 0 0 5 8 5 44050805
+0 0 0 0 0 5 9 5 44050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 44050005
+1 0 0 0 0 5 1 5 44050105
+1 0 0 0 0 5 2 5 44050205
+1 0 0 0 0 5 3 5 44050305
+1 0 0 0 0 5 4 5 44050405
+1 0 0 0 0 5 5 5 44050505
+1 0 0 0 0 5 6 5 44050605
+1 0 0 0 0 5 7 5 44050705
+1 0 0 0 0 5 8 5 44050805
+1 0 0 0 0 5 9 5 44050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyx.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fyx.zl
new file mode 100644
index 000000000..3c7d095af
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyx.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyx z (fyx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 44050500
+0 0 0 0 0 5 5 1 44050501
+0 0 0 0 0 5 5 2 44050502
+0 0 0 0 0 5 5 3 44050503
+0 0 0 0 0 5 5 4 44050504
+0 0 0 0 0 5 5 5 44050505
+0 0 0 0 0 5 5 6 44050506
+0 0 0 0 0 5 5 7 44050507
+0 0 0 0 0 5 5 8 44050508
+0 0 0 0 0 5 5 9 44050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 44050506
+1 0 0 0 0 5 5 1 44050507
+1 0 0 0 0 5 5 2 44050502
+1 0 0 0 0 5 5 3 44050503
+1 0 0 0 0 5 5 4 44050504
+1 0 0 0 0 5 5 5 44050505
+1 0 0 0 0 5 5 6 44050506
+1 0 0 0 0 5 5 7 44050507
+1 0 0 0 0 5 5 8 44050502
+1 0 0 0 0 5 5 9 44050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyy.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fyy.xl
new file mode 100644
index 000000000..5008c5b15
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyy.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyy x (fyy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 45000505
+0 0 0 0 0 1 5 5 45010505
+0 0 0 0 0 2 5 5 45020505
+0 0 0 0 0 3 5 5 45030505
+0 0 0 0 0 4 5 5 45040505
+0 0 0 0 0 5 5 5 45050505
+0 0 0 0 0 6 5 5 45060505
+0 0 0 0 0 7 5 5 45070505
+0 0 0 0 0 8 5 5 45080505
+0 0 0 0 0 9 5 5 45090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 45000505
+1 0 0 0 0 1 5 5 45010505
+1 0 0 0 0 2 5 5 45020505
+1 0 0 0 0 3 5 5 45030505
+1 0 0 0 0 4 5 5 45040505
+1 0 0 0 0 5 5 5 45050505
+1 0 0 0 0 6 5 5 45060505
+1 0 0 0 0 7 5 5 45070505
+1 0 0 0 0 8 5 5 45080505
+1 0 0 0 0 9 5 5 45090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyy.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fyy.yl
new file mode 100644
index 000000000..8396d09b1
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyy.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyy y (fyy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 45050005
+0 0 0 0 0 5 1 5 45050105
+0 0 0 0 0 5 2 5 45050205
+0 0 0 0 0 5 3 5 45050305
+0 0 0 0 0 5 4 5 45050405
+0 0 0 0 0 5 5 5 45050505
+0 0 0 0 0 5 6 5 45050605
+0 0 0 0 0 5 7 5 45050705
+0 0 0 0 0 5 8 5 45050805
+0 0 0 0 0 5 9 5 45050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 45050005
+1 0 0 0 0 5 1 5 45050105
+1 0 0 0 0 5 2 5 45050205
+1 0 0 0 0 5 3 5 45050305
+1 0 0 0 0 5 4 5 45050405
+1 0 0 0 0 5 5 5 45050505
+1 0 0 0 0 5 6 5 45050605
+1 0 0 0 0 5 7 5 45050705
+1 0 0 0 0 5 8 5 45050805
+1 0 0 0 0 5 9 5 45050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyy.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fyy.zl
new file mode 100644
index 000000000..7df9b43b3
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyy.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyy z (fyy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 45050500
+0 0 0 0 0 5 5 1 45050501
+0 0 0 0 0 5 5 2 45050502
+0 0 0 0 0 5 5 3 45050503
+0 0 0 0 0 5 5 4 45050504
+0 0 0 0 0 5 5 5 45050505
+0 0 0 0 0 5 5 6 45050506
+0 0 0 0 0 5 5 7 45050507
+0 0 0 0 0 5 5 8 45050508
+0 0 0 0 0 5 5 9 45050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 45050506
+1 0 0 0 0 5 5 1 45050507
+1 0 0 0 0 5 5 2 45050502
+1 0 0 0 0 5 5 3 45050503
+1 0 0 0 0 5 5 4 45050504
+1 0 0 0 0 5 5 5 45050505
+1 0 0 0 0 5 5 6 45050506
+1 0 0 0 0 5 5 7 45050507
+1 0 0 0 0 5 5 8 45050502
+1 0 0 0 0 5 5 9 45050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyz.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fyz.xl
new file mode 100644
index 000000000..d98ca2a15
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyz.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyz x (fyz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 46000505
+0 0 0 0 0 1 5 5 46010505
+0 0 0 0 0 2 5 5 46020505
+0 0 0 0 0 3 5 5 46030505
+0 0 0 0 0 4 5 5 46040505
+0 0 0 0 0 5 5 5 46050505
+0 0 0 0 0 6 5 5 46060505
+0 0 0 0 0 7 5 5 46070505
+0 0 0 0 0 8 5 5 46080505
+0 0 0 0 0 9 5 5 46090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 46000505
+1 0 0 0 0 1 5 5 46010505
+1 0 0 0 0 2 5 5 46020505
+1 0 0 0 0 3 5 5 46030505
+1 0 0 0 0 4 5 5 46040505
+1 0 0 0 0 5 5 5 46050505
+1 0 0 0 0 6 5 5 46060505
+1 0 0 0 0 7 5 5 46070505
+1 0 0 0 0 8 5 5 46080505
+1 0 0 0 0 9 5 5 46090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyz.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fyz.yl
new file mode 100644
index 000000000..028f1efd3
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyz.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyz y (fyz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 46050005
+0 0 0 0 0 5 1 5 46050105
+0 0 0 0 0 5 2 5 46050205
+0 0 0 0 0 5 3 5 46050305
+0 0 0 0 0 5 4 5 46050405
+0 0 0 0 0 5 5 5 46050505
+0 0 0 0 0 5 6 5 46050605
+0 0 0 0 0 5 7 5 46050705
+0 0 0 0 0 5 8 5 46050805
+0 0 0 0 0 5 9 5 46050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 46050005
+1 0 0 0 0 5 1 5 46050105
+1 0 0 0 0 5 2 5 46050205
+1 0 0 0 0 5 3 5 46050305
+1 0 0 0 0 5 4 5 46050405
+1 0 0 0 0 5 5 5 46050505
+1 0 0 0 0 5 6 5 46050605
+1 0 0 0 0 5 7 5 46050705
+1 0 0 0 0 5 8 5 46050805
+1 0 0 0 0 5 9 5 46050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fyz.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fyz.zl
new file mode 100644
index 000000000..b2ef586f3
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fyz.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fyz z (fyz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 46050500
+0 0 0 0 0 5 5 1 46050501
+0 0 0 0 0 5 5 2 46050502
+0 0 0 0 0 5 5 3 46050503
+0 0 0 0 0 5 5 4 46050504
+0 0 0 0 0 5 5 5 46050505
+0 0 0 0 0 5 5 6 46050506
+0 0 0 0 0 5 5 7 46050507
+0 0 0 0 0 5 5 8 46050508
+0 0 0 0 0 5 5 9 46050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 46050506
+1 0 0 0 0 5 5 1 46050507
+1 0 0 0 0 5 5 2 46050502
+1 0 0 0 0 5 5 3 46050503
+1 0 0 0 0 5 5 4 46050504
+1 0 0 0 0 5 5 5 46050505
+1 0 0 0 0 5 5 6 46050506
+1 0 0 0 0 5 5 7 46050507
+1 0 0 0 0 5 5 8 46050502
+1 0 0 0 0 5 5 9 46050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzx.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fzx.xl
new file mode 100644
index 000000000..b13ff1471
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzx.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzx x (fzx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 47000505
+0 0 0 0 0 1 5 5 47010505
+0 0 0 0 0 2 5 5 47020505
+0 0 0 0 0 3 5 5 47030505
+0 0 0 0 0 4 5 5 47040505
+0 0 0 0 0 5 5 5 47050505
+0 0 0 0 0 6 5 5 47060505
+0 0 0 0 0 7 5 5 47070505
+0 0 0 0 0 8 5 5 47080505
+0 0 0 0 0 9 5 5 47090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 47000505
+1 0 0 0 0 1 5 5 47010505
+1 0 0 0 0 2 5 5 47020505
+1 0 0 0 0 3 5 5 47030505
+1 0 0 0 0 4 5 5 47040505
+1 0 0 0 0 5 5 5 47050505
+1 0 0 0 0 6 5 5 47060505
+1 0 0 0 0 7 5 5 47070505
+1 0 0 0 0 8 5 5 47080505
+1 0 0 0 0 9 5 5 47090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzx.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fzx.yl
new file mode 100644
index 000000000..734fc768c
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzx.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzx y (fzx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 47050005
+0 0 0 0 0 5 1 5 47050105
+0 0 0 0 0 5 2 5 47050205
+0 0 0 0 0 5 3 5 47050305
+0 0 0 0 0 5 4 5 47050405
+0 0 0 0 0 5 5 5 47050505
+0 0 0 0 0 5 6 5 47050605
+0 0 0 0 0 5 7 5 47050705
+0 0 0 0 0 5 8 5 47050805
+0 0 0 0 0 5 9 5 47050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 47050005
+1 0 0 0 0 5 1 5 47050105
+1 0 0 0 0 5 2 5 47050205
+1 0 0 0 0 5 3 5 47050305
+1 0 0 0 0 5 4 5 47050405
+1 0 0 0 0 5 5 5 47050505
+1 0 0 0 0 5 6 5 47050605
+1 0 0 0 0 5 7 5 47050705
+1 0 0 0 0 5 8 5 47050805
+1 0 0 0 0 5 9 5 47050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzx.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fzx.zl
new file mode 100644
index 000000000..9ea3a452a
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzx.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzx z (fzx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 47050500
+0 0 0 0 0 5 5 1 47050501
+0 0 0 0 0 5 5 2 47050502
+0 0 0 0 0 5 5 3 47050503
+0 0 0 0 0 5 5 4 47050504
+0 0 0 0 0 5 5 5 47050505
+0 0 0 0 0 5 5 6 47050506
+0 0 0 0 0 5 5 7 47050507
+0 0 0 0 0 5 5 8 47050508
+0 0 0 0 0 5 5 9 47050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 47050506
+1 0 0 0 0 5 5 1 47050507
+1 0 0 0 0 5 5 2 47050502
+1 0 0 0 0 5 5 3 47050503
+1 0 0 0 0 5 5 4 47050504
+1 0 0 0 0 5 5 5 47050505
+1 0 0 0 0 5 5 6 47050506
+1 0 0 0 0 5 5 7 47050507
+1 0 0 0 0 5 5 8 47050502
+1 0 0 0 0 5 5 9 47050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzy.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fzy.xl
new file mode 100644
index 000000000..d8b2ffa66
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzy.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzy x (fzy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 48000505
+0 0 0 0 0 1 5 5 48010505
+0 0 0 0 0 2 5 5 48020505
+0 0 0 0 0 3 5 5 48030505
+0 0 0 0 0 4 5 5 48040505
+0 0 0 0 0 5 5 5 48050505
+0 0 0 0 0 6 5 5 48060505
+0 0 0 0 0 7 5 5 48070505
+0 0 0 0 0 8 5 5 48080505
+0 0 0 0 0 9 5 5 48090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 48000505
+1 0 0 0 0 1 5 5 48010505
+1 0 0 0 0 2 5 5 48020505
+1 0 0 0 0 3 5 5 48030505
+1 0 0 0 0 4 5 5 48040505
+1 0 0 0 0 5 5 5 48050505
+1 0 0 0 0 6 5 5 48060505
+1 0 0 0 0 7 5 5 48070505
+1 0 0 0 0 8 5 5 48080505
+1 0 0 0 0 9 5 5 48090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzy.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fzy.yl
new file mode 100644
index 000000000..bde3eb782
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzy.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzy y (fzy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 48050005
+0 0 0 0 0 5 1 5 48050105
+0 0 0 0 0 5 2 5 48050205
+0 0 0 0 0 5 3 5 48050305
+0 0 0 0 0 5 4 5 48050405
+0 0 0 0 0 5 5 5 48050505
+0 0 0 0 0 5 6 5 48050605
+0 0 0 0 0 5 7 5 48050705
+0 0 0 0 0 5 8 5 48050805
+0 0 0 0 0 5 9 5 48050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 48050005
+1 0 0 0 0 5 1 5 48050105
+1 0 0 0 0 5 2 5 48050205
+1 0 0 0 0 5 3 5 48050305
+1 0 0 0 0 5 4 5 48050405
+1 0 0 0 0 5 5 5 48050505
+1 0 0 0 0 5 6 5 48050605
+1 0 0 0 0 5 7 5 48050705
+1 0 0 0 0 5 8 5 48050805
+1 0 0 0 0 5 9 5 48050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzy.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fzy.zl
new file mode 100644
index 000000000..9de0b0937
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzy.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzy z (fzy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 48050500
+0 0 0 0 0 5 5 1 48050501
+0 0 0 0 0 5 5 2 48050502
+0 0 0 0 0 5 5 3 48050503
+0 0 0 0 0 5 5 4 48050504
+0 0 0 0 0 5 5 5 48050505
+0 0 0 0 0 5 5 6 48050506
+0 0 0 0 0 5 5 7 48050507
+0 0 0 0 0 5 5 8 48050508
+0 0 0 0 0 5 5 9 48050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 48050506
+1 0 0 0 0 5 5 1 48050507
+1 0 0 0 0 5 5 2 48050502
+1 0 0 0 0 5 5 3 48050503
+1 0 0 0 0 5 5 4 48050504
+1 0 0 0 0 5 5 5 48050505
+1 0 0 0 0 5 5 6 48050506
+1 0 0 0 0 5 5 7 48050507
+1 0 0 0 0 5 5 8 48050502
+1 0 0 0 0 5 5 9 48050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzz.xl b/CarpetAttic/Cart3dTest/test/periodic-z/fzz.xl
new file mode 100644
index 000000000..9c8f5cbf0
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzz.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzz x (fzz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 49000505
+0 0 0 0 0 1 5 5 49010505
+0 0 0 0 0 2 5 5 49020505
+0 0 0 0 0 3 5 5 49030505
+0 0 0 0 0 4 5 5 49040505
+0 0 0 0 0 5 5 5 49050505
+0 0 0 0 0 6 5 5 49060505
+0 0 0 0 0 7 5 5 49070505
+0 0 0 0 0 8 5 5 49080505
+0 0 0 0 0 9 5 5 49090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 49000505
+1 0 0 0 0 1 5 5 49010505
+1 0 0 0 0 2 5 5 49020505
+1 0 0 0 0 3 5 5 49030505
+1 0 0 0 0 4 5 5 49040505
+1 0 0 0 0 5 5 5 49050505
+1 0 0 0 0 6 5 5 49060505
+1 0 0 0 0 7 5 5 49070505
+1 0 0 0 0 8 5 5 49080505
+1 0 0 0 0 9 5 5 49090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzz.yl b/CarpetAttic/Cart3dTest/test/periodic-z/fzz.yl
new file mode 100644
index 000000000..a5f45247e
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzz.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzz y (fzz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 49050005
+0 0 0 0 0 5 1 5 49050105
+0 0 0 0 0 5 2 5 49050205
+0 0 0 0 0 5 3 5 49050305
+0 0 0 0 0 5 4 5 49050405
+0 0 0 0 0 5 5 5 49050505
+0 0 0 0 0 5 6 5 49050605
+0 0 0 0 0 5 7 5 49050705
+0 0 0 0 0 5 8 5 49050805
+0 0 0 0 0 5 9 5 49050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 49050005
+1 0 0 0 0 5 1 5 49050105
+1 0 0 0 0 5 2 5 49050205
+1 0 0 0 0 5 3 5 49050305
+1 0 0 0 0 5 4 5 49050405
+1 0 0 0 0 5 5 5 49050505
+1 0 0 0 0 5 6 5 49050605
+1 0 0 0 0 5 7 5 49050705
+1 0 0 0 0 5 8 5 49050805
+1 0 0 0 0 5 9 5 49050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/fzz.zl b/CarpetAttic/Cart3dTest/test/periodic-z/fzz.zl
new file mode 100644
index 000000000..e361fad48
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/fzz.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::fzz z (fzz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 49050500
+0 0 0 0 0 5 5 1 49050501
+0 0 0 0 0 5 5 2 49050502
+0 0 0 0 0 5 5 3 49050503
+0 0 0 0 0 5 5 4 49050504
+0 0 0 0 0 5 5 5 49050505
+0 0 0 0 0 5 5 6 49050506
+0 0 0 0 0 5 5 7 49050507
+0 0 0 0 0 5 5 8 49050508
+0 0 0 0 0 5 5 9 49050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 49050506
+1 0 0 0 0 5 5 1 49050507
+1 0 0 0 0 5 5 2 49050502
+1 0 0 0 0 5 5 3 49050503
+1 0 0 0 0 5 5 4 49050504
+1 0 0 0 0 5 5 5 49050505
+1 0 0 0 0 5 5 6 49050506
+1 0 0 0 0 5 5 7 49050507
+1 0 0 0 0 5 5 8 49050502
+1 0 0 0 0 5 5 9 49050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/s.xl b/CarpetAttic/Cart3dTest/test/periodic-z/s.xl
new file mode 100644
index 000000000..14e43aa3e
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/s.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::s x (s)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 1000505
+0 0 0 0 0 1 5 5 1010505
+0 0 0 0 0 2 5 5 1020505
+0 0 0 0 0 3 5 5 1030505
+0 0 0 0 0 4 5 5 1040505
+0 0 0 0 0 5 5 5 1050505
+0 0 0 0 0 6 5 5 1060505
+0 0 0 0 0 7 5 5 1070505
+0 0 0 0 0 8 5 5 1080505
+0 0 0 0 0 9 5 5 1090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 1000505
+1 0 0 0 0 1 5 5 1010505
+1 0 0 0 0 2 5 5 1020505
+1 0 0 0 0 3 5 5 1030505
+1 0 0 0 0 4 5 5 1040505
+1 0 0 0 0 5 5 5 1050505
+1 0 0 0 0 6 5 5 1060505
+1 0 0 0 0 7 5 5 1070505
+1 0 0 0 0 8 5 5 1080505
+1 0 0 0 0 9 5 5 1090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/s.yl b/CarpetAttic/Cart3dTest/test/periodic-z/s.yl
new file mode 100644
index 000000000..a082c376e
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/s.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::s y (s)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 1050005
+0 0 0 0 0 5 1 5 1050105
+0 0 0 0 0 5 2 5 1050205
+0 0 0 0 0 5 3 5 1050305
+0 0 0 0 0 5 4 5 1050405
+0 0 0 0 0 5 5 5 1050505
+0 0 0 0 0 5 6 5 1050605
+0 0 0 0 0 5 7 5 1050705
+0 0 0 0 0 5 8 5 1050805
+0 0 0 0 0 5 9 5 1050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 1050005
+1 0 0 0 0 5 1 5 1050105
+1 0 0 0 0 5 2 5 1050205
+1 0 0 0 0 5 3 5 1050305
+1 0 0 0 0 5 4 5 1050405
+1 0 0 0 0 5 5 5 1050505
+1 0 0 0 0 5 6 5 1050605
+1 0 0 0 0 5 7 5 1050705
+1 0 0 0 0 5 8 5 1050805
+1 0 0 0 0 5 9 5 1050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/s.zl b/CarpetAttic/Cart3dTest/test/periodic-z/s.zl
new file mode 100644
index 000000000..6735790f7
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/s.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::s z (s)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 1050500
+0 0 0 0 0 5 5 1 1050501
+0 0 0 0 0 5 5 2 1050502
+0 0 0 0 0 5 5 3 1050503
+0 0 0 0 0 5 5 4 1050504
+0 0 0 0 0 5 5 5 1050505
+0 0 0 0 0 5 5 6 1050506
+0 0 0 0 0 5 5 7 1050507
+0 0 0 0 0 5 5 8 1050508
+0 0 0 0 0 5 5 9 1050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 1050506
+1 0 0 0 0 5 5 1 1050507
+1 0 0 0 0 5 5 2 1050502
+1 0 0 0 0 5 5 3 1050503
+1 0 0 0 0 5 5 4 1050504
+1 0 0 0 0 5 5 5 1050505
+1 0 0 0 0 5 5 6 1050506
+1 0 0 0 0 5 5 7 1050507
+1 0 0 0 0 5 5 8 1050502
+1 0 0 0 0 5 5 9 1050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.xl b/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.xl
new file mode 100644
index 000000000..b331c2bf4
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.xl
@@ -0,0 +1,34 @@
+# GRID::spher3d_r x (spher3d_r)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 1.36656503687164
+0 0 0 0 0 1 5 5 1.07121426428143
+0 0 0 0 0 2 5 5 0.779422863405995
+0 0 0 0 0 3 5 5 0.49749371855331
+0 0 0 0 0 4 5 5 0.259807621135332
+0 0 0 0 0 5 5 5 0.259807621135332
+0 0 0 0 0 6 5 5 0.49749371855331
+0 0 0 0 0 7 5 5 0.779422863405995
+0 0 0 0 0 8 5 5 1.07121426428143
+0 0 0 0 0 9 5 5 1.36656503687164
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 1.36656503687164
+1 0 0 0 0 1 5 5 1.07121426428143
+1 0 0 0 0 2 5 5 0.779422863405995
+1 0 0 0 0 3 5 5 0.49749371855331
+1 0 0 0 0 4 5 5 0.259807621135332
+1 0 0 0 0 5 5 5 0.259807621135332
+1 0 0 0 0 6 5 5 0.49749371855331
+1 0 0 0 0 7 5 5 0.779422863405995
+1 0 0 0 0 8 5 5 1.07121426428143
+1 0 0 0 0 9 5 5 1.36656503687164
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.yl b/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.yl
new file mode 100644
index 000000000..8ca57fd44
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.yl
@@ -0,0 +1,34 @@
+# GRID::spher3d_r y (spher3d_r)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 1.36656503687164
+0 0 0 0 0 5 1 5 1.07121426428143
+0 0 0 0 0 5 2 5 0.779422863405995
+0 0 0 0 0 5 3 5 0.49749371855331
+0 0 0 0 0 5 4 5 0.259807621135332
+0 0 0 0 0 5 5 5 0.259807621135332
+0 0 0 0 0 5 6 5 0.49749371855331
+0 0 0 0 0 5 7 5 0.779422863405995
+0 0 0 0 0 5 8 5 1.07121426428143
+0 0 0 0 0 5 9 5 1.36656503687164
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 1.36656503687164
+1 0 0 0 0 5 1 5 1.07121426428143
+1 0 0 0 0 5 2 5 0.779422863405995
+1 0 0 0 0 5 3 5 0.49749371855331
+1 0 0 0 0 5 4 5 0.259807621135332
+1 0 0 0 0 5 5 5 0.259807621135332
+1 0 0 0 0 5 6 5 0.49749371855331
+1 0 0 0 0 5 7 5 0.779422863405995
+1 0 0 0 0 5 8 5 1.07121426428143
+1 0 0 0 0 5 9 5 1.36656503687164
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.zl b/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.zl
new file mode 100644
index 000000000..677631008
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/spher3d_r.zl
@@ -0,0 +1,34 @@
+# GRID::spher3d_r z (spher3d_r)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 1.36656503687164
+0 0 0 0 0 5 5 1 1.07121426428143
+0 0 0 0 0 5 5 2 0.779422863405995
+0 0 0 0 0 5 5 3 0.49749371855331
+0 0 0 0 0 5 5 4 0.259807621135332
+0 0 0 0 0 5 5 5 0.259807621135332
+0 0 0 0 0 5 5 6 0.49749371855331
+0 0 0 0 0 5 5 7 0.779422863405995
+0 0 0 0 0 5 5 8 1.07121426428143
+0 0 0 0 0 5 5 9 1.36656503687164
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 1.36656503687164
+1 0 0 0 0 5 5 1 1.07121426428143
+1 0 0 0 0 5 5 2 0.779422863405995
+1 0 0 0 0 5 5 3 0.49749371855331
+1 0 0 0 0 5 5 4 0.259807621135332
+1 0 0 0 0 5 5 5 0.259807621135332
+1 0 0 0 0 5 5 6 0.49749371855331
+1 0 0 0 0 5 5 7 0.779422863405995
+1 0 0 0 0 5 5 8 1.07121426428143
+1 0 0 0 0 5 5 9 1.36656503687164
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txx.xl b/CarpetAttic/Cart3dTest/test/periodic-z/txx.xl
new file mode 100644
index 000000000..ec49b7513
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txx.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::txx x (txx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 21000505
+0 0 0 0 0 1 5 5 21010505
+0 0 0 0 0 2 5 5 21020505
+0 0 0 0 0 3 5 5 21030505
+0 0 0 0 0 4 5 5 21040505
+0 0 0 0 0 5 5 5 21050505
+0 0 0 0 0 6 5 5 21060505
+0 0 0 0 0 7 5 5 21070505
+0 0 0 0 0 8 5 5 21080505
+0 0 0 0 0 9 5 5 21090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 21000505
+1 0 0 0 0 1 5 5 21010505
+1 0 0 0 0 2 5 5 21020505
+1 0 0 0 0 3 5 5 21030505
+1 0 0 0 0 4 5 5 21040505
+1 0 0 0 0 5 5 5 21050505
+1 0 0 0 0 6 5 5 21060505
+1 0 0 0 0 7 5 5 21070505
+1 0 0 0 0 8 5 5 21080505
+1 0 0 0 0 9 5 5 21090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txx.yl b/CarpetAttic/Cart3dTest/test/periodic-z/txx.yl
new file mode 100644
index 000000000..9e35e0b71
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txx.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::txx y (txx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 21050005
+0 0 0 0 0 5 1 5 21050105
+0 0 0 0 0 5 2 5 21050205
+0 0 0 0 0 5 3 5 21050305
+0 0 0 0 0 5 4 5 21050405
+0 0 0 0 0 5 5 5 21050505
+0 0 0 0 0 5 6 5 21050605
+0 0 0 0 0 5 7 5 21050705
+0 0 0 0 0 5 8 5 21050805
+0 0 0 0 0 5 9 5 21050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 21050005
+1 0 0 0 0 5 1 5 21050105
+1 0 0 0 0 5 2 5 21050205
+1 0 0 0 0 5 3 5 21050305
+1 0 0 0 0 5 4 5 21050405
+1 0 0 0 0 5 5 5 21050505
+1 0 0 0 0 5 6 5 21050605
+1 0 0 0 0 5 7 5 21050705
+1 0 0 0 0 5 8 5 21050805
+1 0 0 0 0 5 9 5 21050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txx.zl b/CarpetAttic/Cart3dTest/test/periodic-z/txx.zl
new file mode 100644
index 000000000..9d68b5276
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txx.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::txx z (txx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 21050500
+0 0 0 0 0 5 5 1 21050501
+0 0 0 0 0 5 5 2 21050502
+0 0 0 0 0 5 5 3 21050503
+0 0 0 0 0 5 5 4 21050504
+0 0 0 0 0 5 5 5 21050505
+0 0 0 0 0 5 5 6 21050506
+0 0 0 0 0 5 5 7 21050507
+0 0 0 0 0 5 5 8 21050508
+0 0 0 0 0 5 5 9 21050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 21050506
+1 0 0 0 0 5 5 1 21050507
+1 0 0 0 0 5 5 2 21050502
+1 0 0 0 0 5 5 3 21050503
+1 0 0 0 0 5 5 4 21050504
+1 0 0 0 0 5 5 5 21050505
+1 0 0 0 0 5 5 6 21050506
+1 0 0 0 0 5 5 7 21050507
+1 0 0 0 0 5 5 8 21050502
+1 0 0 0 0 5 5 9 21050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txy.xl b/CarpetAttic/Cart3dTest/test/periodic-z/txy.xl
new file mode 100644
index 000000000..c0a04db3d
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txy.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::txy x (txy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 22000505
+0 0 0 0 0 1 5 5 22010505
+0 0 0 0 0 2 5 5 22020505
+0 0 0 0 0 3 5 5 22030505
+0 0 0 0 0 4 5 5 22040505
+0 0 0 0 0 5 5 5 22050505
+0 0 0 0 0 6 5 5 22060505
+0 0 0 0 0 7 5 5 22070505
+0 0 0 0 0 8 5 5 22080505
+0 0 0 0 0 9 5 5 22090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 22000505
+1 0 0 0 0 1 5 5 22010505
+1 0 0 0 0 2 5 5 22020505
+1 0 0 0 0 3 5 5 22030505
+1 0 0 0 0 4 5 5 22040505
+1 0 0 0 0 5 5 5 22050505
+1 0 0 0 0 6 5 5 22060505
+1 0 0 0 0 7 5 5 22070505
+1 0 0 0 0 8 5 5 22080505
+1 0 0 0 0 9 5 5 22090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txy.yl b/CarpetAttic/Cart3dTest/test/periodic-z/txy.yl
new file mode 100644
index 000000000..676739e59
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txy.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::txy y (txy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 22050005
+0 0 0 0 0 5 1 5 22050105
+0 0 0 0 0 5 2 5 22050205
+0 0 0 0 0 5 3 5 22050305
+0 0 0 0 0 5 4 5 22050405
+0 0 0 0 0 5 5 5 22050505
+0 0 0 0 0 5 6 5 22050605
+0 0 0 0 0 5 7 5 22050705
+0 0 0 0 0 5 8 5 22050805
+0 0 0 0 0 5 9 5 22050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 22050005
+1 0 0 0 0 5 1 5 22050105
+1 0 0 0 0 5 2 5 22050205
+1 0 0 0 0 5 3 5 22050305
+1 0 0 0 0 5 4 5 22050405
+1 0 0 0 0 5 5 5 22050505
+1 0 0 0 0 5 6 5 22050605
+1 0 0 0 0 5 7 5 22050705
+1 0 0 0 0 5 8 5 22050805
+1 0 0 0 0 5 9 5 22050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txy.zl b/CarpetAttic/Cart3dTest/test/periodic-z/txy.zl
new file mode 100644
index 000000000..b517ac253
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txy.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::txy z (txy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 22050500
+0 0 0 0 0 5 5 1 22050501
+0 0 0 0 0 5 5 2 22050502
+0 0 0 0 0 5 5 3 22050503
+0 0 0 0 0 5 5 4 22050504
+0 0 0 0 0 5 5 5 22050505
+0 0 0 0 0 5 5 6 22050506
+0 0 0 0 0 5 5 7 22050507
+0 0 0 0 0 5 5 8 22050508
+0 0 0 0 0 5 5 9 22050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 22050506
+1 0 0 0 0 5 5 1 22050507
+1 0 0 0 0 5 5 2 22050502
+1 0 0 0 0 5 5 3 22050503
+1 0 0 0 0 5 5 4 22050504
+1 0 0 0 0 5 5 5 22050505
+1 0 0 0 0 5 5 6 22050506
+1 0 0 0 0 5 5 7 22050507
+1 0 0 0 0 5 5 8 22050502
+1 0 0 0 0 5 5 9 22050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txz.xl b/CarpetAttic/Cart3dTest/test/periodic-z/txz.xl
new file mode 100644
index 000000000..ef056f783
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txz.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::txz x (txz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 23000505
+0 0 0 0 0 1 5 5 23010505
+0 0 0 0 0 2 5 5 23020505
+0 0 0 0 0 3 5 5 23030505
+0 0 0 0 0 4 5 5 23040505
+0 0 0 0 0 5 5 5 23050505
+0 0 0 0 0 6 5 5 23060505
+0 0 0 0 0 7 5 5 23070505
+0 0 0 0 0 8 5 5 23080505
+0 0 0 0 0 9 5 5 23090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 23000505
+1 0 0 0 0 1 5 5 23010505
+1 0 0 0 0 2 5 5 23020505
+1 0 0 0 0 3 5 5 23030505
+1 0 0 0 0 4 5 5 23040505
+1 0 0 0 0 5 5 5 23050505
+1 0 0 0 0 6 5 5 23060505
+1 0 0 0 0 7 5 5 23070505
+1 0 0 0 0 8 5 5 23080505
+1 0 0 0 0 9 5 5 23090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txz.yl b/CarpetAttic/Cart3dTest/test/periodic-z/txz.yl
new file mode 100644
index 000000000..6e249be2d
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txz.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::txz y (txz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 23050005
+0 0 0 0 0 5 1 5 23050105
+0 0 0 0 0 5 2 5 23050205
+0 0 0 0 0 5 3 5 23050305
+0 0 0 0 0 5 4 5 23050405
+0 0 0 0 0 5 5 5 23050505
+0 0 0 0 0 5 6 5 23050605
+0 0 0 0 0 5 7 5 23050705
+0 0 0 0 0 5 8 5 23050805
+0 0 0 0 0 5 9 5 23050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 23050005
+1 0 0 0 0 5 1 5 23050105
+1 0 0 0 0 5 2 5 23050205
+1 0 0 0 0 5 3 5 23050305
+1 0 0 0 0 5 4 5 23050405
+1 0 0 0 0 5 5 5 23050505
+1 0 0 0 0 5 6 5 23050605
+1 0 0 0 0 5 7 5 23050705
+1 0 0 0 0 5 8 5 23050805
+1 0 0 0 0 5 9 5 23050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/txz.zl b/CarpetAttic/Cart3dTest/test/periodic-z/txz.zl
new file mode 100644
index 000000000..cac4ebe2d
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/txz.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::txz z (txz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 23050500
+0 0 0 0 0 5 5 1 23050501
+0 0 0 0 0 5 5 2 23050502
+0 0 0 0 0 5 5 3 23050503
+0 0 0 0 0 5 5 4 23050504
+0 0 0 0 0 5 5 5 23050505
+0 0 0 0 0 5 5 6 23050506
+0 0 0 0 0 5 5 7 23050507
+0 0 0 0 0 5 5 8 23050508
+0 0 0 0 0 5 5 9 23050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 23050506
+1 0 0 0 0 5 5 1 23050507
+1 0 0 0 0 5 5 2 23050502
+1 0 0 0 0 5 5 3 23050503
+1 0 0 0 0 5 5 4 23050504
+1 0 0 0 0 5 5 5 23050505
+1 0 0 0 0 5 5 6 23050506
+1 0 0 0 0 5 5 7 23050507
+1 0 0 0 0 5 5 8 23050502
+1 0 0 0 0 5 5 9 23050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tyy.xl b/CarpetAttic/Cart3dTest/test/periodic-z/tyy.xl
new file mode 100644
index 000000000..6a8ea71c4
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tyy.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::tyy x (tyy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 24000505
+0 0 0 0 0 1 5 5 24010505
+0 0 0 0 0 2 5 5 24020505
+0 0 0 0 0 3 5 5 24030505
+0 0 0 0 0 4 5 5 24040505
+0 0 0 0 0 5 5 5 24050505
+0 0 0 0 0 6 5 5 24060505
+0 0 0 0 0 7 5 5 24070505
+0 0 0 0 0 8 5 5 24080505
+0 0 0 0 0 9 5 5 24090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 24000505
+1 0 0 0 0 1 5 5 24010505
+1 0 0 0 0 2 5 5 24020505
+1 0 0 0 0 3 5 5 24030505
+1 0 0 0 0 4 5 5 24040505
+1 0 0 0 0 5 5 5 24050505
+1 0 0 0 0 6 5 5 24060505
+1 0 0 0 0 7 5 5 24070505
+1 0 0 0 0 8 5 5 24080505
+1 0 0 0 0 9 5 5 24090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tyy.yl b/CarpetAttic/Cart3dTest/test/periodic-z/tyy.yl
new file mode 100644
index 000000000..e84597fa8
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tyy.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::tyy y (tyy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 24050005
+0 0 0 0 0 5 1 5 24050105
+0 0 0 0 0 5 2 5 24050205
+0 0 0 0 0 5 3 5 24050305
+0 0 0 0 0 5 4 5 24050405
+0 0 0 0 0 5 5 5 24050505
+0 0 0 0 0 5 6 5 24050605
+0 0 0 0 0 5 7 5 24050705
+0 0 0 0 0 5 8 5 24050805
+0 0 0 0 0 5 9 5 24050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 24050005
+1 0 0 0 0 5 1 5 24050105
+1 0 0 0 0 5 2 5 24050205
+1 0 0 0 0 5 3 5 24050305
+1 0 0 0 0 5 4 5 24050405
+1 0 0 0 0 5 5 5 24050505
+1 0 0 0 0 5 6 5 24050605
+1 0 0 0 0 5 7 5 24050705
+1 0 0 0 0 5 8 5 24050805
+1 0 0 0 0 5 9 5 24050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tyy.zl b/CarpetAttic/Cart3dTest/test/periodic-z/tyy.zl
new file mode 100644
index 000000000..0142d96f9
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tyy.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::tyy z (tyy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 24050500
+0 0 0 0 0 5 5 1 24050501
+0 0 0 0 0 5 5 2 24050502
+0 0 0 0 0 5 5 3 24050503
+0 0 0 0 0 5 5 4 24050504
+0 0 0 0 0 5 5 5 24050505
+0 0 0 0 0 5 5 6 24050506
+0 0 0 0 0 5 5 7 24050507
+0 0 0 0 0 5 5 8 24050508
+0 0 0 0 0 5 5 9 24050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 24050506
+1 0 0 0 0 5 5 1 24050507
+1 0 0 0 0 5 5 2 24050502
+1 0 0 0 0 5 5 3 24050503
+1 0 0 0 0 5 5 4 24050504
+1 0 0 0 0 5 5 5 24050505
+1 0 0 0 0 5 5 6 24050506
+1 0 0 0 0 5 5 7 24050507
+1 0 0 0 0 5 5 8 24050502
+1 0 0 0 0 5 5 9 24050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tyz.xl b/CarpetAttic/Cart3dTest/test/periodic-z/tyz.xl
new file mode 100644
index 000000000..011e5ce29
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tyz.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::tyz x (tyz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 25000505
+0 0 0 0 0 1 5 5 25010505
+0 0 0 0 0 2 5 5 25020505
+0 0 0 0 0 3 5 5 25030505
+0 0 0 0 0 4 5 5 25040505
+0 0 0 0 0 5 5 5 25050505
+0 0 0 0 0 6 5 5 25060505
+0 0 0 0 0 7 5 5 25070505
+0 0 0 0 0 8 5 5 25080505
+0 0 0 0 0 9 5 5 25090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 25000505
+1 0 0 0 0 1 5 5 25010505
+1 0 0 0 0 2 5 5 25020505
+1 0 0 0 0 3 5 5 25030505
+1 0 0 0 0 4 5 5 25040505
+1 0 0 0 0 5 5 5 25050505
+1 0 0 0 0 6 5 5 25060505
+1 0 0 0 0 7 5 5 25070505
+1 0 0 0 0 8 5 5 25080505
+1 0 0 0 0 9 5 5 25090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tyz.yl b/CarpetAttic/Cart3dTest/test/periodic-z/tyz.yl
new file mode 100644
index 000000000..68ca06705
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tyz.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::tyz y (tyz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 25050005
+0 0 0 0 0 5 1 5 25050105
+0 0 0 0 0 5 2 5 25050205
+0 0 0 0 0 5 3 5 25050305
+0 0 0 0 0 5 4 5 25050405
+0 0 0 0 0 5 5 5 25050505
+0 0 0 0 0 5 6 5 25050605
+0 0 0 0 0 5 7 5 25050705
+0 0 0 0 0 5 8 5 25050805
+0 0 0 0 0 5 9 5 25050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 25050005
+1 0 0 0 0 5 1 5 25050105
+1 0 0 0 0 5 2 5 25050205
+1 0 0 0 0 5 3 5 25050305
+1 0 0 0 0 5 4 5 25050405
+1 0 0 0 0 5 5 5 25050505
+1 0 0 0 0 5 6 5 25050605
+1 0 0 0 0 5 7 5 25050705
+1 0 0 0 0 5 8 5 25050805
+1 0 0 0 0 5 9 5 25050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tyz.zl b/CarpetAttic/Cart3dTest/test/periodic-z/tyz.zl
new file mode 100644
index 000000000..2141b37d3
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tyz.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::tyz z (tyz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 25050500
+0 0 0 0 0 5 5 1 25050501
+0 0 0 0 0 5 5 2 25050502
+0 0 0 0 0 5 5 3 25050503
+0 0 0 0 0 5 5 4 25050504
+0 0 0 0 0 5 5 5 25050505
+0 0 0 0 0 5 5 6 25050506
+0 0 0 0 0 5 5 7 25050507
+0 0 0 0 0 5 5 8 25050508
+0 0 0 0 0 5 5 9 25050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 25050506
+1 0 0 0 0 5 5 1 25050507
+1 0 0 0 0 5 5 2 25050502
+1 0 0 0 0 5 5 3 25050503
+1 0 0 0 0 5 5 4 25050504
+1 0 0 0 0 5 5 5 25050505
+1 0 0 0 0 5 5 6 25050506
+1 0 0 0 0 5 5 7 25050507
+1 0 0 0 0 5 5 8 25050502
+1 0 0 0 0 5 5 9 25050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tzz.xl b/CarpetAttic/Cart3dTest/test/periodic-z/tzz.xl
new file mode 100644
index 000000000..0035c4de3
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tzz.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::tzz x (tzz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 26000505
+0 0 0 0 0 1 5 5 26010505
+0 0 0 0 0 2 5 5 26020505
+0 0 0 0 0 3 5 5 26030505
+0 0 0 0 0 4 5 5 26040505
+0 0 0 0 0 5 5 5 26050505
+0 0 0 0 0 6 5 5 26060505
+0 0 0 0 0 7 5 5 26070505
+0 0 0 0 0 8 5 5 26080505
+0 0 0 0 0 9 5 5 26090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 26000505
+1 0 0 0 0 1 5 5 26010505
+1 0 0 0 0 2 5 5 26020505
+1 0 0 0 0 3 5 5 26030505
+1 0 0 0 0 4 5 5 26040505
+1 0 0 0 0 5 5 5 26050505
+1 0 0 0 0 6 5 5 26060505
+1 0 0 0 0 7 5 5 26070505
+1 0 0 0 0 8 5 5 26080505
+1 0 0 0 0 9 5 5 26090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tzz.yl b/CarpetAttic/Cart3dTest/test/periodic-z/tzz.yl
new file mode 100644
index 000000000..88ab8faba
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tzz.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::tzz y (tzz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 26050005
+0 0 0 0 0 5 1 5 26050105
+0 0 0 0 0 5 2 5 26050205
+0 0 0 0 0 5 3 5 26050305
+0 0 0 0 0 5 4 5 26050405
+0 0 0 0 0 5 5 5 26050505
+0 0 0 0 0 5 6 5 26050605
+0 0 0 0 0 5 7 5 26050705
+0 0 0 0 0 5 8 5 26050805
+0 0 0 0 0 5 9 5 26050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 26050005
+1 0 0 0 0 5 1 5 26050105
+1 0 0 0 0 5 2 5 26050205
+1 0 0 0 0 5 3 5 26050305
+1 0 0 0 0 5 4 5 26050405
+1 0 0 0 0 5 5 5 26050505
+1 0 0 0 0 5 6 5 26050605
+1 0 0 0 0 5 7 5 26050705
+1 0 0 0 0 5 8 5 26050805
+1 0 0 0 0 5 9 5 26050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/tzz.zl b/CarpetAttic/Cart3dTest/test/periodic-z/tzz.zl
new file mode 100644
index 000000000..7687b70da
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/tzz.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::tzz z (tzz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 26050500
+0 0 0 0 0 5 5 1 26050501
+0 0 0 0 0 5 5 2 26050502
+0 0 0 0 0 5 5 3 26050503
+0 0 0 0 0 5 5 4 26050504
+0 0 0 0 0 5 5 5 26050505
+0 0 0 0 0 5 5 6 26050506
+0 0 0 0 0 5 5 7 26050507
+0 0 0 0 0 5 5 8 26050508
+0 0 0 0 0 5 5 9 26050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 26050506
+1 0 0 0 0 5 5 1 26050507
+1 0 0 0 0 5 5 2 26050502
+1 0 0 0 0 5 5 3 26050503
+1 0 0 0 0 5 5 4 26050504
+1 0 0 0 0 5 5 5 26050505
+1 0 0 0 0 5 5 6 26050506
+1 0 0 0 0 5 5 7 26050507
+1 0 0 0 0 5 5 8 26050502
+1 0 0 0 0 5 5 9 26050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vx.xl b/CarpetAttic/Cart3dTest/test/periodic-z/vx.xl
new file mode 100644
index 000000000..d4dafe57f
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vx.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::vx x (vx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 11000505
+0 0 0 0 0 1 5 5 11010505
+0 0 0 0 0 2 5 5 11020505
+0 0 0 0 0 3 5 5 11030505
+0 0 0 0 0 4 5 5 11040505
+0 0 0 0 0 5 5 5 11050505
+0 0 0 0 0 6 5 5 11060505
+0 0 0 0 0 7 5 5 11070505
+0 0 0 0 0 8 5 5 11080505
+0 0 0 0 0 9 5 5 11090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 11000505
+1 0 0 0 0 1 5 5 11010505
+1 0 0 0 0 2 5 5 11020505
+1 0 0 0 0 3 5 5 11030505
+1 0 0 0 0 4 5 5 11040505
+1 0 0 0 0 5 5 5 11050505
+1 0 0 0 0 6 5 5 11060505
+1 0 0 0 0 7 5 5 11070505
+1 0 0 0 0 8 5 5 11080505
+1 0 0 0 0 9 5 5 11090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vx.yl b/CarpetAttic/Cart3dTest/test/periodic-z/vx.yl
new file mode 100644
index 000000000..198564f76
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vx.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::vx y (vx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 11050005
+0 0 0 0 0 5 1 5 11050105
+0 0 0 0 0 5 2 5 11050205
+0 0 0 0 0 5 3 5 11050305
+0 0 0 0 0 5 4 5 11050405
+0 0 0 0 0 5 5 5 11050505
+0 0 0 0 0 5 6 5 11050605
+0 0 0 0 0 5 7 5 11050705
+0 0 0 0 0 5 8 5 11050805
+0 0 0 0 0 5 9 5 11050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 11050005
+1 0 0 0 0 5 1 5 11050105
+1 0 0 0 0 5 2 5 11050205
+1 0 0 0 0 5 3 5 11050305
+1 0 0 0 0 5 4 5 11050405
+1 0 0 0 0 5 5 5 11050505
+1 0 0 0 0 5 6 5 11050605
+1 0 0 0 0 5 7 5 11050705
+1 0 0 0 0 5 8 5 11050805
+1 0 0 0 0 5 9 5 11050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vx.zl b/CarpetAttic/Cart3dTest/test/periodic-z/vx.zl
new file mode 100644
index 000000000..233bb7a3d
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vx.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::vx z (vx)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 11050500
+0 0 0 0 0 5 5 1 11050501
+0 0 0 0 0 5 5 2 11050502
+0 0 0 0 0 5 5 3 11050503
+0 0 0 0 0 5 5 4 11050504
+0 0 0 0 0 5 5 5 11050505
+0 0 0 0 0 5 5 6 11050506
+0 0 0 0 0 5 5 7 11050507
+0 0 0 0 0 5 5 8 11050508
+0 0 0 0 0 5 5 9 11050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 11050506
+1 0 0 0 0 5 5 1 11050507
+1 0 0 0 0 5 5 2 11050502
+1 0 0 0 0 5 5 3 11050503
+1 0 0 0 0 5 5 4 11050504
+1 0 0 0 0 5 5 5 11050505
+1 0 0 0 0 5 5 6 11050506
+1 0 0 0 0 5 5 7 11050507
+1 0 0 0 0 5 5 8 11050502
+1 0 0 0 0 5 5 9 11050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vy.xl b/CarpetAttic/Cart3dTest/test/periodic-z/vy.xl
new file mode 100644
index 000000000..487f382f4
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vy.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::vy x (vy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 12000505
+0 0 0 0 0 1 5 5 12010505
+0 0 0 0 0 2 5 5 12020505
+0 0 0 0 0 3 5 5 12030505
+0 0 0 0 0 4 5 5 12040505
+0 0 0 0 0 5 5 5 12050505
+0 0 0 0 0 6 5 5 12060505
+0 0 0 0 0 7 5 5 12070505
+0 0 0 0 0 8 5 5 12080505
+0 0 0 0 0 9 5 5 12090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 12000505
+1 0 0 0 0 1 5 5 12010505
+1 0 0 0 0 2 5 5 12020505
+1 0 0 0 0 3 5 5 12030505
+1 0 0 0 0 4 5 5 12040505
+1 0 0 0 0 5 5 5 12050505
+1 0 0 0 0 6 5 5 12060505
+1 0 0 0 0 7 5 5 12070505
+1 0 0 0 0 8 5 5 12080505
+1 0 0 0 0 9 5 5 12090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vy.yl b/CarpetAttic/Cart3dTest/test/periodic-z/vy.yl
new file mode 100644
index 000000000..47c58e06a
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vy.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::vy y (vy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 12050005
+0 0 0 0 0 5 1 5 12050105
+0 0 0 0 0 5 2 5 12050205
+0 0 0 0 0 5 3 5 12050305
+0 0 0 0 0 5 4 5 12050405
+0 0 0 0 0 5 5 5 12050505
+0 0 0 0 0 5 6 5 12050605
+0 0 0 0 0 5 7 5 12050705
+0 0 0 0 0 5 8 5 12050805
+0 0 0 0 0 5 9 5 12050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 12050005
+1 0 0 0 0 5 1 5 12050105
+1 0 0 0 0 5 2 5 12050205
+1 0 0 0 0 5 3 5 12050305
+1 0 0 0 0 5 4 5 12050405
+1 0 0 0 0 5 5 5 12050505
+1 0 0 0 0 5 6 5 12050605
+1 0 0 0 0 5 7 5 12050705
+1 0 0 0 0 5 8 5 12050805
+1 0 0 0 0 5 9 5 12050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vy.zl b/CarpetAttic/Cart3dTest/test/periodic-z/vy.zl
new file mode 100644
index 000000000..9f158aa08
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vy.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::vy z (vy)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 12050500
+0 0 0 0 0 5 5 1 12050501
+0 0 0 0 0 5 5 2 12050502
+0 0 0 0 0 5 5 3 12050503
+0 0 0 0 0 5 5 4 12050504
+0 0 0 0 0 5 5 5 12050505
+0 0 0 0 0 5 5 6 12050506
+0 0 0 0 0 5 5 7 12050507
+0 0 0 0 0 5 5 8 12050508
+0 0 0 0 0 5 5 9 12050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 12050506
+1 0 0 0 0 5 5 1 12050507
+1 0 0 0 0 5 5 2 12050502
+1 0 0 0 0 5 5 3 12050503
+1 0 0 0 0 5 5 4 12050504
+1 0 0 0 0 5 5 5 12050505
+1 0 0 0 0 5 5 6 12050506
+1 0 0 0 0 5 5 7 12050507
+1 0 0 0 0 5 5 8 12050502
+1 0 0 0 0 5 5 9 12050503
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vz.xl b/CarpetAttic/Cart3dTest/test/periodic-z/vz.xl
new file mode 100644
index 000000000..7385d5001
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vz.xl
@@ -0,0 +1,34 @@
+# CART3DTEST::vz x (vz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 0 5 5 13000505
+0 0 0 0 0 1 5 5 13010505
+0 0 0 0 0 2 5 5 13020505
+0 0 0 0 0 3 5 5 13030505
+0 0 0 0 0 4 5 5 13040505
+0 0 0 0 0 5 5 5 13050505
+0 0 0 0 0 6 5 5 13060505
+0 0 0 0 0 7 5 5 13070505
+0 0 0 0 0 8 5 5 13080505
+0 0 0 0 0 9 5 5 13090505
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 0 5 5 13000505
+1 0 0 0 0 1 5 5 13010505
+1 0 0 0 0 2 5 5 13020505
+1 0 0 0 0 3 5 5 13030505
+1 0 0 0 0 4 5 5 13040505
+1 0 0 0 0 5 5 5 13050505
+1 0 0 0 0 6 5 5 13060505
+1 0 0 0 0 7 5 5 13070505
+1 0 0 0 0 8 5 5 13080505
+1 0 0 0 0 9 5 5 13090505
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vz.yl b/CarpetAttic/Cart3dTest/test/periodic-z/vz.yl
new file mode 100644
index 000000000..b19d78d54
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vz.yl
@@ -0,0 +1,34 @@
+# CART3DTEST::vz y (vz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 0 5 13050005
+0 0 0 0 0 5 1 5 13050105
+0 0 0 0 0 5 2 5 13050205
+0 0 0 0 0 5 3 5 13050305
+0 0 0 0 0 5 4 5 13050405
+0 0 0 0 0 5 5 5 13050505
+0 0 0 0 0 5 6 5 13050605
+0 0 0 0 0 5 7 5 13050705
+0 0 0 0 0 5 8 5 13050805
+0 0 0 0 0 5 9 5 13050905
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 0 5 13050005
+1 0 0 0 0 5 1 5 13050105
+1 0 0 0 0 5 2 5 13050205
+1 0 0 0 0 5 3 5 13050305
+1 0 0 0 0 5 4 5 13050405
+1 0 0 0 0 5 5 5 13050505
+1 0 0 0 0 5 6 5 13050605
+1 0 0 0 0 5 7 5 13050705
+1 0 0 0 0 5 8 5 13050805
+1 0 0 0 0 5 9 5 13050905
+
+
+
diff --git a/CarpetAttic/Cart3dTest/test/periodic-z/vz.zl b/CarpetAttic/Cart3dTest/test/periodic-z/vz.zl
new file mode 100644
index 000000000..34c262e57
--- /dev/null
+++ b/CarpetAttic/Cart3dTest/test/periodic-z/vz.zl
@@ -0,0 +1,34 @@
+# CART3DTEST::vz z (vz)
+#
+# iteration 0
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+0 0 0 0 0 5 5 0 13050500
+0 0 0 0 0 5 5 1 13050501
+0 0 0 0 0 5 5 2 13050502
+0 0 0 0 0 5 5 3 13050503
+0 0 0 0 0 5 5 4 13050504
+0 0 0 0 0 5 5 5 13050505
+0 0 0 0 0 5 5 6 13050506
+0 0 0 0 0 5 5 7 13050507
+0 0 0 0 0 5 5 8 13050508
+0 0 0 0 0 5 5 9 13050509
+
+
+
+# iteration 1
+# time level 0 refinement level 0 component 0 multigrid level 0
+# column format: it tl rl c ml x y z data
+1 0 0 0 0 5 5 0 13050506
+1 0 0 0 0 5 5 1 13050507
+1 0 0 0 0 5 5 2 13050502
+1 0 0 0 0 5 5 3 13050503
+1 0 0 0 0 5 5 4 13050504
+1 0 0 0 0 5 5 5 13050505
+1 0 0 0 0 5 5 6 13050506
+1 0 0 0 0 5 5 7 13050507
+1 0 0 0 0 5 5 8 13050502
+1 0 0 0 0 5 5 9 13050503
+
+
+