# ncl_cssgrid_errors man page

cssgrid_errors — This document briefly describes all the errors reported from Cssgrid.

## Description

Each entry below includes the error number and its meaning.

- 1
Invalid number of input points (must be greater than 3).

- 2
Invalid dimension for latitudes in the output grid.

- 3
Invalid dimension for longitudes in the output grid.

- 4
First three nodes of input array are collinear.

- 5
Extrapolation failed due to the uniform grid extending too far beyond the triangulation boundary.

- 6
Internal algorithm error - please report this.

- 7
Vertex of a triangle containing an interpolation point is outside its valid range.

- 8
The angular distance between an interpolated point and the nearest point of the triangulation is at least 90 degrees.

- 9
Not enough input points to calculate a gradient.

- 10
Insufficient space for the triangulation (must be >= number of boundary nodes minus 2).

- 11
Degenerate triangle (two vertices lie on same geodesic).

- -L
Coordinates L and M coincide for some M > L >= 1 (coordinate numbering starting at 1).

## See Also

css_overview, cssgrid, csstri, csscoord, cstrans, csvoro, c_cssgrid, c_csstri, c_csscoord, c_cstrans, c_csvoro

Complete documentation for Cssgrid is available at URL

http://ngwww.ucar.edu/ngdoc/ng/ngmath/cssgrid/csshome.html

## Copyright

Copyright (C) 2000

University Corporation for Atmospheric Research

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