EGM2008 Earth Geoid

Load the EGM2008 Earth geoid dataset in various resolutions.

The available resolutions for this grid are:

  • "01d", "30m", "20m", "15m", "10m", "06m", "05m", "04m", "03m", "02m", "01m". Where the suffix d, m and s stand for arc-degrees, arc-minutes, and arc-seconds. See also the manual of remotegrid for information about the grid registrations.

On first usage, the grids are downloaded to the user ./gmt/server/... directory. On later usages, the grid(s) are loaded from that local directory.

Refer to earth_geoid for more details about technical detail, available resolutions, sizes, version information and references.

Example

G = gmtread(remotegrid("geoid", res="6m"))
viz(G, shade=true)