GMT (Generic Mapping Tools) shell scripts applying histogram equalization to topography/bathymetry grids with grdhisteq, comparing original, equalized, Gaussian-normalized and quadratic transforms of ETOPO1 relief in multi-panel figures.
cartography image-processing geoscience generic-mapping-tools scientific-visualization digital-elevation-model data-normalization gmt shell-scripting topography geomorphometry contrast-enhancement histogram-equalization image-enhancement bathymetry raster-processing geospatial-visualization grid-processing etopo1 grdhisteq
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Updated
Sep 12, 2026 - Shell