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NAME

       cssgrid_params - This document briefly describes all the internal parameters of Cssgrid.

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.

       ´SIG´   -   Real   -    computed
              value of the tension factor for the splines

       ´TOL´   -   Real   -   0.01
              Tolerance to use in calculating gradient differences to terminate the iteration
              sequence when computing global gradients

       ´TTF´   -   Real   -   0.01
              Tolerance to use in determining how accurately each tension factor should be
              calculated to approximate its optimum value

       ´NLS´   -   Integer   -   10
              Number of nodes to use in the least squares fit.

       ´NSG´   -   Integer   -   10
              Maximum number of iterations to use in the algorithm for computing automatic
              tension factors

       ´ISG´   -   Integer   -   0
              Flag to revert to calculating automatic tension factors rather than use a constant
              tension. Using a constant tension is effected by setting a value for the control
              parameter sig. If isg is 0, then a tension array is used, otherwise a constant
              tension is used.

       ´IGR´   -   Integer   -   1
              Flags whether global or local gradients are used (1 implies global, anything else
              implies local).

       ´MVL´   -   Real   -   -8.
              Fill value to use in returns for NCL functions. Used only if mvl has been changed
              from its default.

SEE ALSO

       cssgrid, csstri, csvoro, css2c, csc2s, csseti, csgeti, cssetr, csgetr, cssetd, csgetd,
       cssgridd, csstrid, csvorod, css2cd, csc2sd, c_cssgrid, c_csstri, c_csvoro, c_css2c,
       c_csc2s, c_csseti, c_csgeti, c_cssetr, c_csgetr, c_cssetd, c_csgetd, c_cssgridd,
       c_csstrid, c_csvorod, c_css2cd, c_csc2sd.  Complete documentation for Cssgrid is available
       at URL
       http://ngwww.ucar.edu/ngdoc/ng/ngmath/csgrid/cshome.html

COPYRIGHT

       Copyright (C) 2000
       University Corporation for Atmospheric Research

       The use of this Software is governed by a License Agreement.