SPOT 3D

HRS instrument on SPOT 5
- HRS instrument on SPOT 5 is dedicated to simultaneous stereopairs acquisition:
  • 2 telescopes, one pointing forward and one aft of nadir, at a fixed angle of 20°
  • acquisition interval: 90 seconds along the track
  • an imaging swath of 600 km x 120 km (72,000 km2)
  • base/height ratio (B/H) of 0.8



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SPOT DEM
- A digital elevation model (DEM) is a file containing elevation values distributed on a uniform grid of an area of interest.
SPOT DEMs are produced by automatic correlation of stereopairs acquired by HRS.


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[ ] Download the technical description (554 k - 12 pages)
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SPOT DEM Precision
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SPOT DEM Precision is a DTED level 2 product .
It contains two layers of information:

  • an HRS DEM
  • quality and traceability metadata
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[ ] Download the Technical Description (18 pages -721 k)
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Reference3D
- Reference3D is a global, geocoded database developed jointly by Spot Image and the French mapping and survey agency, IGN.

It is the foundation for any application that relies on very-high-quality elevation databases. It contains three layers of information:
  • HRS DEM
  • HRS orthoimages
  • quality and traceability data
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[ ] Download the technical description (397 kb - 17 pages)
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