GMT (Generic Mapping Tools) shell scripts gridding scattered XYZ point data with the nearneighbor local nearest-neighbour / sector-search interpolation algorithm, then contouring and mapping the modelled surfaces over ocean-trench regions.
cartography geoscience netcdf generic-mapping-tools scientific-visualization digital-elevation-model nearest-neighbor gmt geostatistics shell-scripting surface-modeling topography gridding bathymetry geospatial-visualization spatial-interpolation xyz-data grid-processing nearneighbor sector-search
-
Updated
Sep 12, 2026 - Shell