// Service
Aerial Triangulation
Connect overlapping aerial photographs to supplied ground control for consistent photogrammetric mapping.
Mapping led by Steve Dillon, ASPRS Certified Photogrammetrist #790
What is it?
Aerial triangulation establishes the relationship between overlapping photographs and the project coordinate framework. It supports consistent stereo mapping across image blocks. Arrowhead provides aerial triangulation as part of its photogrammetric services; field control is supplied by the client’s surveyor.
Typical uses
- Multi-image mapping blocks
- Corridor and large-area mapping
- Stereo compilation
- Preparation for orthophotography
What you get
- D-01 Image orientation for the mapping block
- D-02 Control-referenced photogrammetric setup
- D-03 Inputs for stereo compilation and orthophoto production
Typical process
- 01
Define the scope
Share the site limits, intended use, accuracy requirements and required formats.
- 02
Review inputs
Review available imagery, control supplied by the client’s surveyor and project specifications.
- 03
Prepare the mapping product
Process the agreed inputs and review the result against the project requirements.
- 04
Review and deliver
Check the files and package the agreed deliverables for the receiving team.
Frequently asked questions
What is aerial triangulation?
It connects overlapping aerial images to one another and to known control so measurements can be made consistently across the image block.
Who provides ground control?
The client’s surveyor supplies the field ground control used to reference the image block.
What should I supply when requesting this service?
Share the imagery or planned collection, control information, mapping limits, coordinate system and accuracy requirements.
// Request a quote
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Questions or quotes: Jeff Dillon, jeff@arrowheadmapping.com · (909) 889-2420