natgrid_params(3) This document briefly describes all the

DESCRIPTION

Each entry below includes the name of a parameter, its Fortran type (use the obvious equivalents for C), its default value, and a short description of the parameter.
'ADF' - Integer - 0
Flags if the data file of algorithmic information for display with nnalg is produced - see parameter alg (0=no; 1=yes).
'ALG' - Character - 'nnalg.dat'
File name for input to the algorithmic display tool nnalg (see parameter adf).
'ASC' - Integer - 1
Flags if automatic scaling is allowed (0 = no; 1 = yes).
'bI' - Real - 1.5
Tautness factor that increases the effect of the gradient estimates as bI increases.
'bJ' - Real - 7.0
Tautness factor that decreases the breadth of the region affected by the gradient estimates as bJ increases.
'EXT' - Integer - 1
Flags whether extrapolation is allowed outside the convex hull (0=no; 1=yes).
'HOR' - Real - 0.1*(extent of X output grid)
Specifies the amount of horizontal overlap to be included outside of the current region when doing subblocking.
'IGR' - Integer - 0
Flag indicating if gradient estimates are to be computed (1=yes; 0=no).
'MAGX' - Real - 1.0
Scale factor for X coordinate input values.
'MAGY' - Real - 1.0
Scale factor for Y coordinate input values.
'MAGZ' - Real - 1.0
Scale factor for Z coordinate input values.
'MDM' - Integer - 10
Maximum number of informational messages about duplicate point culls.
'NON' - Integer - 0
Flags whether interpolated values are allowed to be negative (0=yes; 1=no).
'NUL' - Real - 0.0
The value to be used on output for points outside of the convex hull when extrapolation is not allowed.
'RAD' - Integer - 0
Flags if slopes and aspects are returned in radians or degrees (1=radians;0=degrees).
'SDI' - Integer - 0
Flags if slopes and aspects are computed (0=no; 1=yes).
'UPD' - Integer - 1
Flags if the output array goes from south to north or north to south (0=north to south; 1=south to north).
'VER' - Real - 0.1*(extent of Y output grid)
Specifies the amount of vertical overlap to be included outside of the current region when doing subblocking.
'XAS' - Real - 1.0
Contains the scale value for automatic scaling of X input values in the most recent interpolation call. For retrieval only.
'YAS' - Real - 1.0
Contains the scale value for automatic scaling of Y input values in the most recent interpolation call. For retrieval only.
'ZAS' - Real - 1.0
Contains the scale value for automatic scaling of Z input values in the most recent interpolation call. For retrieval only.

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