GMT
GMT ist eine Kollektion von etwa 60 UNIX Werkzeugen, die das Manipulieren von 2- und 3-dimensionalen Datensätzen erlaubt (Filterung, Trend-Fitting, Gridding, Projezieren, etc). Ausgabeformat ist EPS: xy-plots, Kontur-Karten, künstlich beleuchtete Oberflächen und 3-D Perspektive. Es werden die üblichen Projektionen unterstützt (insgesamt 25).
GMT is a collection of about 60 UNIX tools that allow users to manipulate (x,y) and (x,y,z) data sets (including filtering, trend fitting, gridding, projecting, etc.) and produce Encapsulated PostScript File (EPS) illustrations ranging from simple x-y plots through contour maps to artificially illuminated surfaces and 3-D perspective views in black and white, gray tone, hachure patterns, and 24-bit color. GMT supports 25 common map projections plus linear, log and power scaling, and comes with support data such as coastlines, rivers, and political boundaries.
http://gmt.soest.hawaii.edu/gmt/examples/ex04/example_04_100dpi.gif
