# Parameter definitions for thorn CarpetAdaptiveRegrid

# Refinement criteria for automatic refining

CCTK_INT min_width "Minimum width of refined region" STEERABLE=always
{
  1:* :: "must be positive"
} 8

CCTK_REAL min_fraction "Minimum fraction of points in need of refinement in a refined region" STEERABLE=always
{
  0:1 :: "must be positive and less than one"
} 0.75

CCTK_REAL max_error "Maximum allowed error for non-refined grid points" STEERABLE=always
{
  *:* :: "everything goes"
} 1.0

CCTK_STRING error_var "Name of grid function that contains the error" STEERABLE=always
{
  ".*" :: "must be the name of a grid function"
} ""

CCTK_INT regrid_every "Regrid every n time steps" STEERABLE=always
{
  -1   :: "regrid never"
   0   :: "regrid during initial data calculation only"
   1:* :: "regrid every n time steps"
} 0

CCTK_INT pad "Number of cells that the error should be padded" STEERABLE=always
{
  0:* :: "Non negative"
} 2

CCTK_BOOLEAN verbose "Should we be verbose"
{
} "no"

CCTK_BOOLEAN veryverbose "Should we be very verbose"
{
} "no"

CCTK_BOOLEAN maskpicture "Should we print a picture of the mask"
{
} "no"

CCTK_INT refinement_levels "Number of initial refinement levels (including the base level)" STEERABLE=always
{
  1:* :: "must be positive, and must not be larger than Carpet::max_refinement_levels"
} 1

CCTK_STRING coordinates "List of bounding box coordinates for the initial data" STEERABLE=always
{
  "^$" :: "leave empty for no refinement"
  ".*" :: "[ [ ([<xmin>,<ymin>,<zmin>]:[<xmax>,<ymax>,<zmax>]:[<xstride>,<ystride>,<zstride>]), ... ], ... ]"
} ""