Dioptra™ - a camera tool



Dioptra™- a camera position and angle measurement tool for navigation, surveying, positioning, and measurement.
Press your device's menu button to save an image. View saved images in your device's gallery app

Dioptra™ provides the following overlay information -
- yaw indicator (compass)
- pitch indicator (tilt degrees)
- roll indicator (tilt degrees)
- GPS position
- azimuth and bearing to photo subject

The ancient greek "dioptra" was a classical astronomical and surveying instrument, dating from the 3rd century BCE. The dioptra was a sighting tube or, alternatively, a rod with a sight at both ends, attached to a stand. If fitted with protractors, it could be used to measure angles.


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