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NEXTMap 5 - Elevation Data (Streaming)

Provides NEXTMap 5 DSM and DTM at 5 meter resolution.


Introduction

This block provides streamed high-resolution elevation data acquired on a global basis. The datasets are available as a digital terrain model (DTM) and digital surface model (DSM).

NextMap
NextMap

Technical information

Description

  1. The DSM is hydro-enforced and includes surface elevations from terrain, vegetation and cultural features (buildings, roads).
  2. The DTM is hydro-enforced and includes the bare earth, where surface features (buildings, vegetation etc.) have been removed.

Compatible blocks

Compatible blocks
K-Means Clustering
RF Viewshed
Viewshed

Geographic coverage

The datasets are available worldwide. Please note that the coverage for DSM and DTM can differ.

Data coverage for Nextmap 5m DTM

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Data coverage for Nextmap 5m DSM

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For more information about data coverage, please refer to the Intermap website.

Dataset information

SpecificationsDescription
Spatial resolution5 m
Vertical accuracy1.6 m (LE90)
Horizontal accuracy3.5 m (CE90)
Image typeRadar (IFSAR)
Acquisition dateData acquisition upon request
Bit depth32 bits per pixel
Horizontal coordinate systemWGS84
Vertical coordinate systemvaries depending on region*
Can be reused in an UP42 workflowNo

Vertical Coordinate Systems

RegionVertical datumCorresponding horizontal datum
AustraliaAHD (AUSGeoid98)GDA94
CanadaCGVD28 (GSD95)NAD83
EuropeEVRS2000 (EGG07)ETRS89
United KingdomODN (OSGM91)OSGB1936
USANAVD88 (Geoid99)NAD83
OtherEGM96ITRF2000

Limitations

  1. The streamed image or any derived dataset that contains the original pixel values cannot be downloaded. For more information about the end user license agreement, please refer to the marketplace.
  2. The minimum AOI size is 25 km2.
  3. This block can return a maximum of 1000 tiles per job, which means that the maximum AOI size is 6250 km2.

How it works

Supported JSON parametersDefault valueMinMaxExamples
clip_to_aoitruen.a.n.a."clip_to_aoi": true
bbox/intersectsnull25 km26250 km2Please check the examples from the JSON parameters.

Examples

Example based on a workflow created with the data block NEXTMap 5 - Elevation Data (Streaming) and Viewshed:

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Capabilities

Output

To know more please check the block capabilities specifications.

For more information, please refer to the marketplace.