NAME

       shgrid_errors - This document briefly describes all the errors reported from Shgrid.

DESCRIPTION

       Each entry below includes the error number and its meaning.

         0    No error.

         1    number of input data must be > 9

         2    NLS must be .GT. 9

         3    number of data points used in least squares fit must be > 9

         4    NFL (number of points used to calculate weights) must be at least 1

         5    number of points used in least squares fit too large

         6    number of points used in calculating weights too large

         7    cell grid dimensions must be positive

         8    duplicate input points encountered

         9    collinear input, no unique solution

        10    at least two points must have different X coordinates

        11    at least two points must have different Y coordinates

        12    at least two points must have different Z coordinates

        13    no cells contain a point within the radius of influence of the input point

        14    negative search radius in calculating least squares fit

SEE ALSO

       shgrid, shseti, shgeti, shsetnp, c_shgrid, c_shseti, c_shseti, c_shgetnp.

       Complete documentation for Shgrid is available at URL
       http://ngwww.ucar.edu/ngdoc/ng/ngmath/shgrid/shhome.html

COPYRIGHT

       Copyright (C) 2000
       University Corporation for Atmospheric Research

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

UNIX                                              January 1999                             shgrid_errors(3NCARG)