# ncl_shgrid_errors man page

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/s…

## Copyright

Copyright (C) 2000

University Corporation for Atmospheric Research

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

## Info

January 1999 UNIX NCAR GRAPHICS