GMT (Generic Mapping Tools) shell scripts rendering 3D bar histograms of bathymetric depth values: relief grids converted to XYZ (grd2xyz) and drawn as perspective 3D columns with psxyz to show the spatial depth distribution of ocean trenches.
cartography geoscience data-visualization generic-mapping-tools digital-elevation-model gmt shell-scripting 3d-visualization geomorphometry bathymetry geospatial-visualization perspective-view marine-geophysics 3d-histogram grid-processing depth-distribution ocean-trenches etopo1 psxyz grd2xyz
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Updated
Sep 12, 2026 - Shell