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Figure 1.
Topographic map of Iran. Data source: General Bathymetric Chart of the Oceans (GEBCO), GEBCO Compilation Group (2020). Mapping in GMT.
Figure 2.
Geologic map of Iran. Data source: United States Geological Survey (USGS). Mapping in QGIS.
Figure 3.
Lithologic map of Iran. Data source: United States Geological Survey (USGS). Mapping in QGIS.
Figure 4.
Geoid model of Iran. Data source: Earth Gravitational Model (EGM-2008), Pavlis et al. (2012). Mapping in GMT.
Figure 5.
3D model of Zagros mountains. Data source: ETOPO 5-minute gridded elevation data, Data Announcement 88-MGG-02, Digital relief of the surface of the Earth. NOAA, National Geophysical Data Center, Boulder, Colorado, U.S.A., 1988. URL: ETOPO5. Mapping in GMT.
Figure 6.
Free-air gravity anomaly of Iran. Data source: gravity anomaly from Geosat and ERS 1 satellite altimetry, Sandwell and Smith (1997). Mapping in GMT.
Figure 7.
Elevation model by R ‘raster’ package. Data source: Shuttle Radar Topography Mission (SRTM) DEM, Farr and Kobrick (2000). Mapping in R.
Figure 8.
Slope terrain model based on DEM of Iran. Data source: Shuttle Radar Topography Mission (SRTM) DEM, Farr and Kobrick (2000). Mapping in R.
Figure 9.
Aspect terrain model of Iran. Data source: Shuttle Radar Topography Mission (SRTM) DEM, Farr and Kobrick (2000). Mapping in R.
Figure 10.
Hillshade terrain model of Iran. Data source: Shuttle Radar Topography Mission (SRTM) DEM, Farr and Kobrick (2000). Mapping in R.
Figure 11.
DEM elevation model of Iran. Data source: Shuttle Radar Topography Mission (SRTM) DEM, Farr and Kobrick (2000). Mapping in R.
Listing 1.
GMT code for converting formats and visualising raster in Figure 4
Listing 2.
GMT code for plotting cartographic grid on the image
Listing 3.
GMT code for plotting textual annotations on the image
Listing 4.
GMT code for inserting a small globe map on the image in Figure 1.
Listing 5.
GMT code visualizing the image
Listing 6.
GMT code for 3D image visualisation in Figure 5.
Listing 7.
R code for data capture and uploading necessary packages
Listing 8.
R code visualizing the geomorphological parameters and saving the output data
Listing 9.
R code for visualisation of the geographic map in Figure 8.