Through satellites, we now have a continuing program of data acquisition for the entire world with time frames ranging from a couple of weeks to a matter of hours.

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TerraServer Is Great For:
  • Orthomosaic Creation

An orthomosaic is a collection aerial photograph geometrically corrected (“orthorectified”) where the scale is uniform. Its the mosaic of all aerial photos captured during the flight run corrected for its distortion.

  • 3D Models

Digital Elevation Model (DEM) - A digital elevation model is a digital model or 3D representation of aterrain's surface created from terrain elevation data.

Digital terrain models (DTM) - These are representations of land surface point elevations. They are usedas input for the generation of surface models and contours or theorthorectification process of aerial photography.

Digitial Surface Model (DSM) - A DSM is an elevation model that includes the tops of buildings, trees,powerlines, and any other objects. Commonly this is seen as a canopymodel and only 'sees' ground where there is nothing else overtop of it.

  • Basemap Creation

Basemaps provide a visualization framework for all GIS server applications.

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Benefits of orthomosaics:
  • Creation of 3D models
  • GIS analysis for various other industries (agriculture, archaelogy, environment etc)
  • Post-disaster management
Benefits of 3D models
  • Extracting terrain parameters for geomorphology
  • Precision farming and forestry
  • Surface analysis
  • Modeling water flow for hydrology or mass movement (for example avalanches and landslides)
Benefits of basemaps
  • Incorporate overview maps for display at the smallest map scales
  • Add and work with operational layers
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