> What exactly is the "gmt package"? Inquiring minds want
> to know.
The Generic Mapping Tools (GMT) were recently described in the article:
"Free Software Helps Map and Display Data," by Paul Wessel and Walter H.
F. Smith, EOS Transactions, American Geophysical Union, Volume 72, Number
41, October 8, 1991, page 441.
This article describes a package of tools and a library
that can be used to manipulate columns of tabular data, time series, and
gridded data sets and to display these data in a variety of forms ranging
from simple x-y plots to maps and color, perspective, and shaded-relief
illustrations. GMT uses the PostScript page description languagem which
can create arbitrarily complex images in gray tones or 24-bit true color
by superimposing multiple plot files. Line drawings, bitmapped images,
and text can easily be combined in one illustration. ... GMT software is
written as a set of UNIX tols and is totally self-contained [except for
needing netCDF] and fully documented. The system is offered free of
charge to federal agencies and nonprofit educational organizations
worldwide and is distributed over the computer network Internet.
The package uses netCDF for representing two dimensional data on regular
grids. I've obtained and built the software, but haven't yet had a chance
to look at it in any detail. If you want to get it, it's available from
host: kiawe.soest.hawaii.edu [128.171.151.16]
file: pub/gmt/gmtv2.0.tar.Z
--Russ
