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A data block that 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).
See this block on the marketplace.
- The DSM is hydro-enforced and includes surface elevations from terrain, vegetation and cultural features (buildings, roads).
- The DTM is hydro-enforced and includes the bare earth, where surface features (buildings, vegetation etc.) have been removed.
- K-Means Clustering
- RF Viewshed
The datasets are available worldwide. Please note that the coverage for DSM and DTM can differ.
Data coverage for Nextmap One DTM
Data coverage for Nextmap One DSM
For more information about data coverage, please refer to the Intermap website.
|Spatial resolution||1 m|
|Vertical accuracy||1 m (LE90)|
|Horizontal accuracy||3.5 m (CE90)|
|Image type||Radar (IFSAR)|
|Acquisition date||Data acquisition upon request|
|Bit depth per pixel||32-bit|
|Horizontal coordinate system||WGS84|
|Vertical coordinate system||EGM2008|
|Can be reused in an UP42 workflow||No|
- The streamed image or any derived dataset that contains the original pixel values can't be downloaded. For more information about the end user license agreement, please refer to the marketplace.
- The minimum AOI size is 1 km2.
- This block can return a maximum of 1000 tiles per job, which means that the maximum AOI size is 250 km2.
|Supported JSON parameters||Default value||Min||Max||Examples|
|1 km2||250 km2||Please check the examples from the JSON parameters.|
Example based on a workflow created with the data block NEXTMap One - Elevation Data (Streaming) and Viewshed: