# Parameter definitions for thorn PsiKadelia
# $Header$

KEYWORD psif_vec "Where does the basis vector point?"
{
	"radial" 	:: ""
	"cartesian"	:: ""
	"metric_diag"	:: ""
	"shock"		:: ""
} "radial"

KEYWORD pnd_routine "GOTO principal null directions routine?"
{
	"yes"	:: ""
	"no"	:: ""
} "no"

KEYWORD pnd_output "output PNDs with Hisaaki's Mathmetica form?"
{
	"yes"	:: ""
	"no"	:: "No means no!"
} "no"

KEYWORD pnd_project "project plane"
{
	"xy" 	:: ""
	"xz"	:: ""
	"yz"	:: ""
	"all"	:: ""
} "xy"

REAL pnd_arrowlength "output arrow length at Mathematica"
{
	0:	:: ""
} 0.6

REAL pnd_tinycut "tiny number to cutout psi's"
{
	0:	:: ""
} 1.0e-6

REAL petrov_eps "tiny number to judge Petrov type"
{
	0:	:: ""
} 1.0e-6

INT pnd_arrownum "number of points to cal PNDs in one direction"	
{
	0:	:: ""
} 10

INT petrov_output_dim "output Petrov type in 2d or 3d"
{
	2:2	:: "2D"
	3:3	:: "3D"
} 3

BOOLEAN scale_with_radius "Multiply all scalars by power of radial coordinate"
{
} "no"

INT radius_power "Power of radial coordinate to multiply by"
{
 1:* :: ""
} 1

shares:einstein

EXTENDS BOOLEAN use_conformal_derivs 
{
}