Parameters

ahf_1doutput	Scope: private		BOOLEAN
Description: 1D output of grid functions?
			Default: no

ahf_2doutput	Scope: private		BOOLEAN
Description: 2D output of grid functions?
			Default: no

ahf_3doutput	Scope: private		BOOLEAN
Description: 3D output of grid functions?
			Default: no

ahf_areamap	Scope: private		BOOLEAN
Description: Find area map?
			Default: no

ahf_cartoon	Scope: private		BOOLEAN
Description: Cartoon mode?
			Default: no

ahf_find3	Scope: private		BOOLEAN
Description: Searching for 3 surfaces?
			Default: no

ahf_findafter	Scope: private		INT
Description: After how many iterations look for horizons
Range			Default: (none)
0:	Any positive integer

ahf_findaftertime	Scope: private		REAL
Description: After how much time look for horizons
Range			Default: 0.0
0.0:	Any positive real number. If non-zero overides ahf_findafter

ahf_findevery	Scope: private		INT
Description: How often to look for horizons
Range			Default: 1
1:	Set to 1 for searching each iteration

ahf_flow	Scope: private		BOOLEAN
Description: Use flow instead of minimization?
			Default: no

ahf_flowa	Scope: private		REAL
Description: alpha parameter for flow
Range			Default: 0.01
:	Anything

ahf_flowb	Scope: private		REAL
Description: beta parameter for flow
Range			Default: 0.5
:	Anything

ahf_flowc	Scope: private		REAL
Description: Weight of C flow
Range			Default: 1.0
:	Anything

ahf_flowh	Scope: private		REAL
Description: Weight of H flow
Range			Default: 0.0
:	Anything

ahf_flowiter	Scope: private		INT
Description: Maximum number of iterations for flow
Range			Default: 200
0:	Anything

ahf_flown	Scope: private		REAL
Description: Weight of N flow
Range			Default: 0.0
:	Anything

ahf_flowtol	Scope: private		REAL
Description: Tolerance for flow
Range			Default: 0.0001
:	Anything

ahf_gaussout	Scope: private		BOOLEAN
Description: Output gaussian curvature of horizon?
			Default: yes

ahf_guess_absmin	Scope: private		BOOLEAN
Description: Use absolute min to start minimization?
			Default: no

ahf_guessold	Scope: private		BOOLEAN
Description: Use old horizon as initial guess?
			Default: no

ahf_guessverbose	Scope: private		BOOLEAN
Description: Print info on initial guess?
			Default: no

ahf_hdf5output	Scope: private		BOOLEAN
Description: HDF5 output of AHFinder data?
			Default: no

ahf_inner	Scope: private		BOOLEAN
Description: Look for inner horizon?
			Default: no

ahf_l0_guess	Scope: private		REAL
Description: Manual guess for l=0 component
Range			Default: 1.0
:	Anything

ahf_l10_guess	Scope: private		REAL
Description: Manual guess for l=10 component
Range			Default: 0.0
:	Anything

ahf_l12_guess	Scope: private		REAL
Description: Manual guess for l=12 component
Range			Default: 0.0
:	Anything

ahf_l14_guess	Scope: private		REAL
Description: Manual guess for l=14 component
Range			Default: 0.0
:	Anything

ahf_l16_guess	Scope: private		REAL
Description: Manual guess for l=16 component
Range			Default: 0.0
:	Anything

ahf_l18_guess	Scope: private		REAL
Description: Manual guess for l=18 component
Range			Default: 0.0
:	Anything

ahf_l2_guess	Scope: private		REAL
Description: Manual guess for l=2 component
Range			Default: 0.0
:	Anything

ahf_l4_guess	Scope: private		REAL
Description: Manual guess for l=4 component
Range			Default: 0.0
:	Anything

ahf_l6_guess	Scope: private		REAL
Description: Manual guess for l=6 component
Range			Default: 0.0
:	Anything

ahf_l8_guess	Scope: private		REAL
Description: Manual guess for l=8 component
Range			Default: 0.0
:	Anything

ahf_lmax	Scope: private		INT
Description: Maximum number of terms in theta expansion
Range			Default: 8
0:19	Range from 0 to 19

ahf_logfile	Scope: private		BOOLEAN
Description: Write log file?
			Default: no

ahf_manual_guess	Scope: private		BOOLEAN
Description: Use specified coefficients for guess?
			Default: no

ahf_mask	Scope: private		KEYWORD
Description: Use mask?
Range			Default: off
off	Mask is off
strong	Mask set only for definite horizons
weak	Mask set for both definite and probable horizons

ahf_mask_0	Scope: private		BOOLEAN
Description: Mask for first horizon with find3?
			Default: yes

ahf_mask_1	Scope: private		BOOLEAN
Description: Mask for second horizon with find3?
			Default: yes

ahf_mask_2	Scope: private		BOOLEAN
Description: Mask for third horizon with find3?
			Default: yes

ahf_mask_time	Scope: private		REAL
Description: Time after which to start setting the mask
Range			Default: -1.0
:	Anything goes. Negative number means setting the mask as soon as possible

ahf_maskbuffer	Scope: private		INT
Description: Number of grid points in mask buffer zone
Range			Default: 5
	Positive please

ahf_maskshrink	Scope: private		REAL
Description: Shrink factor for mask
Range			Default: 0.8
0.0:1.0	Must be positive and not larger than 1

ahf_masktype	Scope: private		KEYWORD
Description: Type of mask
Range			Default: cube
lego	Mask is a lego sphere
cube	Mask is a cube
poly	Mask is a polyhedra

ahf_maxchange	Scope: private		REAL
Description: Maximum relative difference between 1 big and 2 small steps
Range			Default: 0.1
:	Anything

ahf_maxiter	Scope: private		INT
Description: Maximum number of iterations of POWELL
Range			Default: 10
:	Any sensible integer value

ahf_minarea	Scope: private		BOOLEAN
Description: Minimize area instead of expansion?
			Default: no

ahf_minchange	Scope: private		REAL
Description: Minimum relative difference between 1 big and 2 small steps
Range			Default: 0.01
:	Anything

ahf_nn0	Scope: private		INT
Description: Number of subdivisions of c0(0) for initial guess
Range			Default: 10
:	Some positive integer

ahf_nn2	Scope: private		INT
Description: Number of subdivisions of c0(2) for initial guess
Range			Default: 10
:	Some positive integer

ahf_nphi	Scope: private		INT
Description: Number of subdivisions in phi
Range			Default: 100
1:	Any sensible integer

ahf_ntheta	Scope: private		INT
Description: Number of subdivisions in theta
Range			Default: 100
1:	Any sensible integer

ahf_octant	Scope: private		KEYWORD
Description: Octant symmetry?
Range			Default: no
no	No octant symmetry
yes	Octant symmetry: reflection symmetry on all three coordinate planes
high	Octant symmetry + symmetry of rotation of pi/2 around z axis

ahf_offset	Scope: private		BOOLEAN
Description: Center offset from origin?
			Default: no

ahf_phi	Scope: private		BOOLEAN
Description: Expand also in phi? (seach for non-axisymmetric surface)
			Default: no

ahf_r0	Scope: private		REAL
Description: Radius of initial sphere (0 forces largest sphere)
Range			Default: 0.0
:	Anything

ahf_r0_0	Scope: private		REAL
Description: Radius of first initial sphere for find3 (0 forces largest sphere)
Range			Default: 0.0
:	Anything

ahf_r0_1	Scope: private		REAL
Description: Radius of second initial sphere for find3 (0 forces largest sphere)
Range			Default: 0.0
:	Anything

ahf_r0_2	Scope: private		REAL
Description: Radius of third initial sphere for find3 (0 forces largest sphere)
Range			Default: 0.0
:	Anything

ahf_refx	Scope: private		BOOLEAN
Description: Reflection symmetry x->-x?
			Default: no

ahf_refy	Scope: private		BOOLEAN
Description: Reflection symmetry y->-y?
			Default: no

ahf_refz	Scope: private		BOOLEAN
Description: Reflection symmetry z->-z?
			Default: no

ahf_reportalways	Scope: private		BOOLEAN
Description: Report for all surfaces found (yes) or just for apparent horizons (no)
			Default: no

ahf_shiftcoeff	Scope: private		REAL
Description: Coefficient for shift
Range			Default: 0.0
:	Anything goes

ahf_sloppyguess	Scope: private		BOOLEAN
Description: Use sphere as initial guess?
			Default: no

ahf_tol	Scope: private		REAL
Description: Tolerance for minimization routines
Range			Default: 0.1
0:	A sensible positive number

ahf_trapped_surface	Scope: private		BOOLEAN
Description: Minimize (expansion + delta) to find trapped surface?
			Default: no

ahf_verbose	Scope: private		BOOLEAN
Description: Print messages to screen?
			Default: yes

ahf_veryverbose	Scope: private		BOOLEAN
Description: Print messages at each iteration step to screen?
			Default: no

ahf_wander	Scope: private		BOOLEAN
Description: Allow the center to wander?
			Default: no

ahf_xc	Scope: private		REAL
Description: x-coordinate of center of expansion
Range			Default: 0.0
:	Anything

ahf_xc_0	Scope: private		REAL
Description: x-coordinate of center of expansion for first surface with find3
Range			Default: 0.0
:	Anything

ahf_xc_1	Scope: private		REAL
Description: x-coordinate of center of expansion for second surface with find3
Range			Default: 0.0
:	Anything

ahf_xc_2	Scope: private		REAL
Description: x-coordinate of center of expansion for third surface with find3
Range			Default: 0.0
:	Anything

ahf_yc	Scope: private		REAL
Description: y-coordinate of center of expansion
Range			Default: 0.0
:	Anything

ahf_yc_0	Scope: private		REAL
Description: y-coordinate of center of expansion for first surface with find3
Range			Default: 0.0
:	Anything

ahf_yc_1	Scope: private		REAL
Description: y-coordinate of center of expansion for second surface with find3
Range			Default: 0.0
:	Anything

ahf_yc_2	Scope: private		REAL
Description: y-coordinate of center of expansion for third surface with find3
Range			Default: 0.0
:	Anything

ahf_zc	Scope: private		REAL
Description: z-coordinate of center of expansion
Range			Default: 0.0
:	Anything

ahf_zc_0	Scope: private		REAL
Description: z-coordinate of center of expansion for first surface with find3
Range			Default: 0.0
:	Anything

ahf_zc_1	Scope: private		REAL
Description: z-coordinate of center of expansion for second surface with find3
Range			Default: 0.0
:	Anything

ahf_zc_2	Scope: private		REAL
Description: z-coordinate of center of expansion for third surface with find3
Range			Default: 0.0
:	Anything

horizon_to_announce_centroid	Scope: private		INT
Description: For which horizon should we announce the centroid to driftcorrect
Range			Default: (none)
	don't announce the centroid
1:3	announce this horizon's centroid each time we find it

horizon_to_output_centroid	Scope: private		INT
Description: For which horizon should we output the centroid
Range			Default: (none)
	don't output any centroids
1:3	output this horizon's centroid each time we find it

interpolation_operator	Scope: private		STRING
Description: Name of interpolation operator to use
Range			Default: uniform cartesian
.+	A valid name for a registered interpolation operator

interpolation_order	Scope: private		INT
Description: Order for interpolation
Range			Default: 2
1:4	Choose between first and fourth order interpolation

trapped_surface_delta	Scope: private		REAL
Description: find (expansion = delta) surface
Range			Default: 0.0
:	Just a real number

ahf_active	Scope: restricted		BOOLEAN
Description: Activate AHFinder?
			Default: no

ahf_persists	Scope: restricted		BOOLEAN
Description: Do the finder grid functions stay around?
			Default: no

use_mask

Scope: shared from SPACEMASK

BOOLEAN