# Parameter definitions for thorn TimeGeodesic
# $Header$

shares: grid

private:

BOOLEAN num_active "Integration of geodesics in numerical spacetime"
{
} "no"

BOOLEAN exa_active "Integration of geodesics in exact spacetime"
{
} "no"

BOOLEAN findnum_IJ "Find I and J on geodesics in numerical spacetime"
{
} "no"

BOOLEAN findexa_IJ "Find I and J on geodesics in exact spacetime"
{
} "no"

BOOLEAN num_test "Tests of geodesic integration"
{
} "no"

BOOLEAN out_xgraph "Output of geodesic components in xgraph format"
{
} "no"


KEYWORD geopos "Initial position of geodesics"
{
  "x00"  :: "Uniform distribution along x axis"
  "0y0"  :: "Uniform distribution along y axis"
  "00z"  :: "Uniform distribution along z axis"
  "xy0"  :: "Uniform distribution along xy diagonal"
  "x0z"  :: "Uniform distribution along xz diagonal"
  "0yz"  :: "Uniform distribution along yz diagonal"
  "xyz"  :: "Uniform distribution along xyz diagonal"
  "grid" :: "Uniform 3D down-sampled distribution"
  "file" :: "Positions read from an external file (not impemented)"
} "grid"


INT geodesics "Number of geodesics"
{
  1:*  :: "At least one geodesic please"
} 32

INT downsample "Downsample parameter for 3D array of geodesics"
{
  1:* :: "Downsampling must be positive"
} 4

INT out_every "Output geodesics every nth timestep"
{
  1:* :: "out_every must be a positive number"
} 1