ncl_nngetaspectd man page

NNGETASPECTD — retrieve the double precision aspect at a specified coordinate.

Synopsis

CALL NNGETASPECTD (I,J,ASPECT,IER)

Description

I

(Integer, Input) - A subscript indexing the first dimensioned variable  in the output grid of the most recent call to NATGRIDD.

J

(Integer, Input) - A subscript indexing the second dimensioned variable  in the output grid of the most recent call to NATGRIDD.

ASPECT

(Double precision, Output) - The slope at the  grid point Z(I,J), where Z is the  output grid in the most recent call to NATGRIDD.

IER

(Integer, Output) - An error return value. If IER is returned as 0, then  no errors were detected. If IER is non-zero, then refer to the man page for natgrid_errors for details.

Access

To use NNGETASPECTD, load the NCAR Graphics library ngmath.

See Also

natgrid, natgridd, natgrid_params.

Complete documentation for Natgrid is available at URL
http://ngwww.ucar.edu/ngdoc/ng/ngmath/natgrid/nnhome.html

Info

March 1997-1998 UNIX NCAR GRAPHICS