Values for these parameters can be set by using the subroutines NNSETI, NNSETR, NNSETRD, and NNSETC for Fortran programs or the functions c_nnseti, c_nnsetr, c_nnsetrd, and c_nnsetc for C programs.
| | | |
Parameter | parameter | | |
name | type | description | legal values | default value
| | | |
------------------------------------------------------------------------------
adf | int | flags if the data | 0 = no | 0
| | file of algorithmic | 1 = yes |
| | info for display is | |
| | produced (see | |
| | parameter alg). | |
------------------------------------------------------------------------------
alg | char | file name for the | any file name | "nnalg.dat"
| | algorithm display | |
| | tool (see parameter | |
| | adf). | |
------------------------------------------------------------------------------
asc | int | flags if automatic | 0 = no | 1
| | scaling is allowed | 1 = yes |
------------------------------------------------------------------------------
bI | float | tautness factor that| >= 1. | 1.5
| | increases the | |
| | effect of the | |
| | gradients as bI | |
| | increases. | |
------------------------------------------------------------------------------
bJ | float | tautness factor that| >= 1. | 7.0
| | decreases the | |
| | breadth of the | |
| | region affected by | |
| | the gradients. | |
------------------------------------------------------------------------------
dup | - | this parameter is | - | -
| | obsolete as of | |
| | July, 2005 | |
------------------------------------------------------------------------------
ext | int | flags whether | 0 = no | 1
| | extrapolation is | 1 = yes |
| | allowed outside the | |
| | convex hull. | |
------------------------------------------------------------------------------
hor | float | Specifies the | >= 0. | 0.1*(extent of
| | amount of horizontal| | X values in
| | overlap to be | | output grid in
| | included outside of | | the natgrid
| | the current region. | | invocation)
------------------------------------------------------------------------------
igr | int | flag indicating if | 0 = no | 0
| | gradients are to be | 1 = yes |
| | computed. | |
------------------------------------------------------------------------------
magx | float | scale factor for | > 0. | 1.0
| | X coordinate values.| |
------------------------------------------------------------------------------
magy | float | scale factor for | > 0. | 1.0
| | Y coordinate values.| |
------------------------------------------------------------------------------
magz | float | scale factor for | > 0. | 1.0
| | Z coordinate values.| |
------------------------------------------------------------------------------
mdm | int | controls the number | >= 0 | 10
| | of messages issued | |
| | about duplicate | |
| | points. | |
-------------------------------------------------------------------------------
non | int | flags whether in- | 0 = yes | 0
| | terpolated values | 1 = no |
| | are allowed to be | |
| | negative. | |
------------------------------------------------------------------------------
nul | float | the value to be used| Any float | 0.0
| | on output for points| |
| | outside of the | |
| | convex hull when | |
| | extrapolation is not| |
| | allowed. | |
------------------------------------------------------------------------------
rad | int | flags if slopes and | 0 = radians | 0
| | aspects are returned| 1 = degrees |
| | in radians or | |
| | degrees. | |
------------------------------------------------------------------------------
sdi | int | flags if slopes and | 0 = no | 0
| | aspects are computed| 1 = yes |
------------------------------------------------------------------------------
upd | int | flags if the output | 0 = N to S | 1
| | array goes from | 1 = S to N |
| | south to north or | |
| | north to south. | |
------------------------------------------------------------------------------
ver | float | Specifies the | >= 0. | 0.1*(extent of
| | amount of vertical | | Y values in the
| | overlap to be | | output grid in
| | included outside of | | the natgrid
| | the current region. | | invocation)
------------------------------------------------------------------------------
xas | float | Contains the | > 0. | 1.
| | scale value for | |
| | automatic scaling | |
| | of X values in the | |
| | most recent | |
| | interpolation call. | |
------------------------------------------------------------------------------
yas | float | Contains the | > 0. | 1.
| | scale value for | |
| | automatic scaling | |
| | of Y values in the | |
| | most recent | |
| | interpolation call. | |
------------------------------------------------------------------------------
zas | float | Contains the | > 0. | 1.
| | scale value for | |
| | automatic scaling | |
| | of Z values in the | |
| | most recent | |
| | interpolation call. | |
------------------------------------------------------------------------------