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authormiguel <miguel@89daf98e-ef62-4674-b946-b8ff9de2216c>2000-10-16 17:53:12 +0000
committermiguel <miguel@89daf98e-ef62-4674-b946-b8ff9de2216c>2000-10-16 17:53:12 +0000
commit2b0348c6e74fe1897e79f688a1acd7d6bfc5367f (patch)
tree4b6abba190e8a4426119eba7e9b0e07c629136a5 /README
parentdf428299462e7cf664184401b9bc6ddc6bd4ba9a (diff)
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git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinder/trunk@136 89daf98e-ef62-4674-b946-b8ff9de2216c
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@@ -24,19 +24,18 @@ BRIEF DESCRIPTION
This thorn looks for apparent horizons (AH) in 3D using two
different algorithms. In the default mode, it uses a minimization
algorithm. It can also use a flow algorithm if one sets the
-parameter "mahf_flow" equal to "yes":
+parameter "ahf_flow" equal to "yes":
-mahf_flow = "yes"
+ahf_flow = "yes"
The minimization algorithm is VERY slow if one has a lot of terms
in the spherical harmonics expansion (see below), but it is quite
fast for a small number of terms.
-The thorn is activated by adding the following lines to the
-parameter file:
+The thorn is activated by adding the following line to the parameter
+file:
-ah_persists = "yes"
-minimumAHF_active = "yes"
+ahfinder::ahf_active = "yes"
Also, one needs to tell the routine how often we want to
look for AH by using the parameter `mahf_findevery' (its
@@ -44,7 +43,7 @@ default value is 1).
The routine defines the grid function `mahfgrid' as:
-mahfgrid = r - f(theta,phi)
+ahfgrid = r - f(theta,phi)
So that the surface being considered corresponds to the zero level of
`mahfgrid'. The function f(theta,phi) is expanded in spherical