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coastline-masking

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paulinelemenkova / gmt-coastline-raster-clipping

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GMT (Generic Mapping Tools) shell scripts demonstrating coastline-based raster clipping (pscoast clip paths) to render one dataset over the ocean and a differently styled, gray-shaded version over masked land, for geoid and relief maps of ocean-trench regions.

cartography geoscience generic-mapping-tools geophysics scientific-visualization clipping gmt shell-scripting topography clip-path bathymetry geoid map-projection raster-processing geospatial-visualization land-sea-mask grid-processing coastline-masking raster-masking pscoast
  • Updated Sep 12, 2026
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paulinelemenkova / gmt-land-water-mask

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GMT (Generic Mapping Tools) shell script building a land/water mask grid from GSHHG shorelines with grdlandmask (land = 1, ocean = NaN) and rendering it over an ETOPO1 relief basemap for the Kuril-Kamchatka Trench area.

cartography geoscience generic-mapping-tools geophysics scientific-visualization gmt shell-scripting topography shoreline bathymetry map-projection raster-processing geospatial-visualization land-sea-mask land-mask gshhg grid-processing coastline-masking raster-masking grdlandmask
  • Updated Sep 12, 2026
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paulinelemenkova / gmt-coastline-clip-trench-maps

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GMT (Generic Mapping Tools) shell scripts demonstrating coastline-based raster clipping (pscoast clip paths) to render a colour geoid over the ocean and gray-shaded relief over masked land, for the Kuril-Kamchatka and Mariana Trenches.

geoscience generic-mapping-tools geophysics clipping gmt shell-scripting topography clip-path bathymetry geoid map-projection raster-processing geospatial-visualization land-sea-mask marine-geophysics grid-processing ocean-trenches coastline-masking raster-masking pscoast
  • Updated Sep 12, 2026
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