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WorldDEM Neo DSM

A medium resolution 5 m digital surface model, acquired worldwide. The collection contains data from 2017 to 2021.

Overview

WorldDEM Neo DSM is a satellite-based digital surface model (DSM) with worldwide availability. See more on the marketplace or download sample data.

A WorldDEM Neo DSM of Jinzhong (China)

Geographic coverage and restrictions

The geographic coverage is global.

Data products

Data products

Data productTypeModelCoverage
WorldDEM NEO DSMCatalogDSMGlobal

Specifications

General

SpecificationDescription
Collection typeCatalog
Product typeElevation
Data sourceTerraSAR-X

Data

SpecificationDescription
Resolution5 m
Bit depth per pixel32-bit
Delivery formatA ZIP file containing the following files:
  • Data (GeoTIFF)
  • Metadata (PDF)
  • Masks (CSV, GeoTIFF, KML)
  • Visuals (GeoTIFF)
MasksTransparency
NoData value-32767
Hydro-flatteningOceans: set to 0 m
Lakes: set to a single elevation value
Rivers: flattened in steps of 50 cm

Geographic reference

SpecificationDescription
Coordinate reference systemGeographic-WGS84 with EGM2008 height
Positional accuracyHorizontal: 6 m CE90 absolute
Vertical:
  • 1.4 m LE90 absolute
  • Relative:
    • For flat surfaces: 2 m LE90
    • For slopes greater than 20%: 4 m LE90

Limitations

LimitationValue
InputAOI from 1 km2 and at least 1 km wide, up to 250 km2
AvailabilityAcquisition date range:* 2017–2021
OutputAOI-clipped imagery
* The data for this collection was acquired sometime between the start and end dates of the range and represents the latest processed data available.

API integration

Data productTypeName and IDCollection name
WorldDEM NEO DSMCatalogName: worlddem-neo-dsm
ID: ec016f4c-332c-4190-b18b-13fb12519c40		worlddem-neo