ERDAS APOLLO 2020

GeoServices Home > Aerial Imagery_Aerial Imagery 1994 (MapServer)

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Service Description:

 The 1994 digital orthophoto displays colour image covering the Cape metro. It was processed from 1994 aerial photography at the scale of 1:10 000 and pixel size is 20 cm. Vertical aerial photography is widely used for cartography, environmental studies and engineering purposes. Aerial photography forms the basis of orthophotos which are geometrically ‘corrected’ for the effects of image perspective and terrain relief, thereby representing features in their 'true' positions. Flown using Zeiss RMK A15/23 camera. The orthophoto has a constant scale and pixel size which allows for accurate direct measurement of distances, angles and areas. The digital orthophoto is available in ECW format at 25cm GSD (ground sampling distance).

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Metadata:
  • Description: The 1994 digital orthophoto displays colour image covering the Cape metro. It was processed from 1994 aerial photography at the scale of 1:10 000 and pixel size is 20 cm. Vertical aerial photography is widely used for cartography, environmental studies and engineering purposes. Aerial photography forms the basis of orthophotos which are geometrically ‘corrected’ for the effects of image perspective and terrain relief, thereby representing features in their 'true' positions. Flown using Zeiss RMK A15/23 camera. The orthophoto has a constant scale and pixel size which allows for accurate direct measurement of distances, angles and areas. The digital orthophoto is available in ECW format at 25cm GSD (ground sampling distance).
  • Copyright Text:
  • Spatial Reference: 20482
  • Title: Aerial Imagery 1994
  • Author:
  • Comments:
  • Subject:
  • Category:
  • Keywords: ECW,JPEG 2000,OTDF
  • Credits:
  • Supported Interfaces: REST
  • Supported Operations:
  • Export Map

Map info:
  • Single Fused Map Cache: false
  • Initial Extent:
      XMin: -62679.25
      YMin: -3787724.5
      XMax: -8292.75
      YMax: -3708049.25
      Spatial Reference: 20482
  • Full Extent:
      XMin: -62679.25
      YMin: -3787724.5
      XMax: -8292.75
      YMax: -3708049.25
      Spatial Reference: 20482
  • Units: esriMeters
  • Supported Image Format Types: PNG8,PNG24,JPG,WEBP,JPGPNG,TIFF8

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Geoservices Protocol

Geoservices is a proprietary protocol from ESRI. ERDAS APOLLO currently implements the Map Service type to aid image serving interoperability with existing ESRI clients.