Topographic Datasets (dataset.topo)

pyrocko.dataset.topo offers access to gridded topogrophy data from the following sources. Both modules cache downloaded data for later use.

• pyrocko.dataset.topo.etopo1 access NOAA ETOPO1 Global Relief Map (https://www.ngdc.noaa.gov/mgg/global/)

• pyrocko.dataset.topo.srtmgl3 offers access to NASA Shuttle Radar Topography Mission Global 30 arc second (SRTMGL3) topography data (https://lpdaac.usgs.gov/dataset_discovery/measures/measures_products_table/srtmgl3_v003).

exception UnknownDEM

elevation(lat, lon)

Get elevation at given point.

Tries to use SRTMGL3, falls back to ETOPO01 if not available.

etopo1

srtmgl3

exception AuthenticationRequired