GMT (Generic Mapping Tools) shell scripts mapping marine magnetic anomalies from the EMAG2 (v3) and WDMAM global magnetic-anomaly grids over ocean basins and trenches, with cyclic colour-shaded grids, contours and cartographic layout.
cartography geoscience generic-mapping-tools geophysics scientific-visualization gmt shell-scripting bathymetry geomagnetism magnetics map-projection plate-tectonics magnetic-anomaly geospatial-visualization potential-field marine-geophysics grid-processing ocean-basins emag2 wdmam
-
Updated
Sep 12, 2026 - Shell