Tool NameGlobal OpenTopography
Tool ID4
Library IDio_webservices
Version1.0
Author(s)O.Conrad (c) 2025

Description

Download and optionally project global digital elevation model (DEM) data for the area of your interest provided by the OpenTopography project. The download needs a personal API key which can be obtained easily after login at the OpenTopography Data Portal.

Available DEM products are:

References

OpenTopography Homepage

OpenTopography Data Portal


Parameters

NameTypeIdentifierDescriptionConstraints
Input
Gridgrid, inputGRID
Shapesshapes, inputSHAPES
Output
Griddata object Grid, output, optionalRESULT
Options
DEM TypechoiceDEMTYPEAvailable Choices:
[0] SRTM GL3 90m
[1] SRTM GL1 30m
[2] SRTM GL1 Ellipsoidal 30m
[3] ALOS World 3D 30m
[4] ALOS World 3D Ellipsoidal, 30m
[5] Global Bathymetry SRTM15+ V2.1 500m
[6] NASADEM Global DEM
[7] Copernicus Global DSM 30m
[8] Copernicus Global DSM 90m
[9] EU DTM 30m
[10] GEDI_L3 DTM 1000m
[11] Global Ice Bathymetry 500m
[12] Global Sub-Ice Bathymetry 500m
Default: 3
API KeytextAPI_KEY
ExtentchoiceEXTENTAvailable Choices:
[0] user defined
[1] shapes extent
[2] grid system extent
[3] grid system
Default: 0
Westfloating point numberXMINDefault: 538350.000000
Eastfloating point numberXMAXDefault: 598020.000000
Southfloating point numberYMINDefault: 5906910.000000
Northfloating point numberYMAXDefault: 5965170.000000
Bufferfloating point numberBUFFERadd buffer (map units) to extentMinimum: 0.000000
Default: 0.000000
Take CellsizechoiceCELLSIZEDEFAvailable Choices:
[0] data type resolution
[1] user defined
Default: 0
Cellsizefloating point numberCELLSIZEMinimum: 0.000100
Default: 90.000000
Coordinate System DefinitiontextCRS_STRINGSupported formats comprise PROJ and WKT strings, object codes (e.g. "EPSG:4326").