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-rw-r--r--interface.ccl11
1 files changed, 10 insertions, 1 deletions
diff --git a/interface.ccl b/interface.ccl
index e49b5ad..e3cf6d8 100644
--- a/interface.ccl
+++ b/interface.ccl
@@ -14,6 +14,8 @@ CCTK_INT sf_valid[nsurfaces] TYPE=scalar
CCTK_REAL sf_info[nsurfaces] TYPE=scalar
{
+ # The following are coordinate-dependent quantities:
+
# monopole moment; M := sqrt(A / 4pi) with A := int(S) r^2 dS
sf_mean_radius
sf_min_radius sf_max_radius
@@ -27,11 +29,18 @@ CCTK_REAL sf_info[nsurfaces] TYPE=scalar
# bounding box
sf_min_x sf_min_y sf_min_z sf_max_x sf_max_y sf_max_z
+
+
+
+ # The following are covariant quantities:
+
+ # area; A := int(S) sqrt(q) dS with q_ij the 2-metric on the surface
+ sf_area
} "Surface information"
-CCTK_REAL sf_radius[nsurfaces] TYPE=array DIM=2 SIZE=maxntheta,maxnphi DISTRIB=constant TAGS='convergence_power=1'
+CCTK_REAL sf_radius[nsurfaces] TYPE=array DIM=2 SIZE=maxntheta,maxnphi DISTRIB=constant #TAGS='convergence_power=1'
CCTK_REAL sf_origin[nsurfaces] TYPE=scalar
{