Geodetic Control Points

Control points are captured by land surveyors to create control for orthophotography. These points are captured with survey-grade equipment ensuring the highest accuracy in their location. Horizontal Control Point: Surveyed horizontal geodetic control points that are used in the development of an analytical aerotriangulation solution. Vertical Control Point: Surveyed vertical geodetic control points that are used in the development of an analytical aerotriangulation solution.

Data and Resources

Field Value
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issued 2015-02-27T21:07:19.000Z
landingPage https://opendata.dc.gov/datasets/DCGIS::geodetic-control-points
license https://creativecommons.org/licenses/by/4.0
metadata_type geospatial
modified 2024-09-05T18:40:53.000Z
old-spatial -77.1118,38.7922,-76.9121,38.9976
publisher Office of the Chief Technology Officer
resource-type Dataset
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theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • AmeriGEO
  • AmeriGEOSS
  • CKAN
  • GEO
  • GEOSS
  • National
  • North America
  • United States
  • currentplanimetrics
  • dc
  • district-of-columbia
  • elevation
  • geodetic-control
  • location
  • octo
  • planimetrics
  • survey
  • washington-dc
isopen True
license_id cc-by
license_title Creative Commons Attribution
license_url http://www.opendefinition.org/licenses/cc-by
maintainer DCGISopendata
maintainer_email gisgroup@dc.gov
metadata_created 2025-09-24T15:40:04.801995
metadata_modified 2025-09-24T15:40:04.802004
notes <div style='text-align:Left;'><div><div><p><span>Control points are captured by land surveyors to create control for orthophotography. These points are captured with survey-grade equipment ensuring the highest accuracy in their location. Horizontal Control Point: Surveyed horizontal geodetic control points that are used in the development of an analytical aerotriangulation solution. Vertical Control Point: Surveyed vertical geodetic control points that are used in the development of an analytical aerotriangulation solution.</span></p></div></div></div>
num_resources 7
num_tags 18
title Geodetic Control Points