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+iGMT stands for "Interactive GMT" or "Interactive Mapping of
+Geoscientific Datasets". It integrates the processing of various Earth
+science datasets with a Tcl/Tk graphical user interface for the
+generic mapping tools (GMT).
+
+iGMT software is intended to assist in the creation of GMT scripts and
+has built-in data processing capabilities for raster data sets such as
+topography, sea-floor age, free air-gravity, the geoid, and various
+polygon data files such as earthquake hypocentre lists or hot-spot
+locations. Clicking on "Map it!" when running iGMT produces a GMT
+script whose postscript output is converted and displayed as a GIF
+image.
+
+iGMT is used world-wide at more than 120 institutions for everyday
+map-making and teaching GMT.
+
+iGMT itself is distributed under the GNU public license. In addition,
+iGMT is not to be used for any military purposes or for any other
+activities that are against the spirit as expressed in the Student
+Pugwash Pledge (http://www.igc.org/pugwash/pledge/).