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topographic-mapping

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Collection of ~180 GMT (Generic Mapping Tools) shell scripts producing shaded-relief topographic and bathymetric maps of countries and regions worldwide from global DEMs (ETOPO1, GEBCO, SRTM, GLOBE), with DCW country clipping, custom CPTs, contours and cartographic layout.

  • Updated Sep 12, 2026
  • Shell

R scripts for downloading and reprojecting OpenStreetMap and web tile-server basemaps via the OpenStreetMap package: openmap tile fetching, projectMercator, openproj reprojection to Lambert Conformal Conic, plus maps/ggplot2 choropleths. Topographic mapping of Peru; Lemenkova (2021), Entorno Geografico 22:36-55.

  • Updated Sep 12, 2026
  • R

GRASS GIS scripts (k-means clustering, i.maxlik and SVM via r.learn) plus a GMT topographic map and an R workflow diagram for land-cover classification of a Landsat 8-9 OLI/TIRS time series (2015-2023) of the Saloum River Delta, Senegal. Figures for Lemenkova, Earth 2024, 5(3):420-462.

  • Updated Sep 12, 2026
  • Shell

Download Therion — an educational tool for geography on Windows with a free download. Create detailed topographic maps featuring contour lines and vector drawings, while utilizing image guides for projects. Install and start in minutes.

  • Updated Sep 27, 2026

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