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contour-mapping

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GMT (Generic Mapping Tools) shell scripts gridding scattered XYZ bathymetry with the nearneighbor local nearest-neighbour / sector-search algorithm and contour-mapping the result for the Kuril-Kamchatka and Mariana Trenches.

  • Updated Sep 12, 2026
  • Shell

GMT (Generic Mapping Tools) shell script converting a regularly-spaced XYZ bathymetry table directly to a NetCDF grid with xyz2grd (exact grid registration, no interpolation), then contour-mapping the result for the Kuril-Kamchatka Trench.

  • Updated Sep 12, 2026
  • Shell

GMT (Generic Mapping Tools) shell scripts producing bathymetric contour (isobath) maps of ocean trenches from ETOPO relief, with annotated index contours on an Albers equal-area conic projection and study-area outlines.

  • Updated Sep 12, 2026
  • Shell

GMT (Generic Mapping Tools) shell script building a faceted side-by-side comparison figure: two map panels contrasting gridding algorithms (xyz2grd direct conversion vs nearneighbor interpolation) of the same Kuril-Kamchatka Trench bathymetry, with shared captions and title.

  • Updated Sep 12, 2026
  • Shell

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