Skip to main content
U.S. flag

An official website of the United States government

Checkpoint Photographs Update

By NGP Standards and Specifications

This change pertains to checkpoint photograph delivery requirement. The current requirement is for checkpoint photographs to be delivered embedded in a single PDF document. This modification allows for delivery as individual photographs in sub-directories to maintain image quality and allow for redaction of single images, if necessary. 

Return to Revision Status page

Status of this revision: Published in Lidar Base Specification 2021 rev. A

Please Note: This change only provides for an additional delivery option--no other requirements for checkpoint photographs are changed. 

Requirement in Lidar Base Specification 2020 rev. A Data Processing and Handling: Checkpoints section:

  • All photographs shall be embedded and delivered in a single PDF document, preferably in the ground survey report.

  • Each photograph shall be labeled in the PDF with the checkpoint ID so that it can be readily located.

Change:

  • All photographs shall be delivered

    • embedded in a single PDF document, preferably in the ground survey report, or

    • as individual images in sub-directories 

  • All images shall be labeled with, or image file names shall include, the checkpoint ID.