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Drone mapping technical guides
The steps people actually get stuck on, answered directly: turning a DSM into a bare-earth DTM, placing ground control so the accuracy claim survives a check-point audit, working out the ground sample distance a job needs before you fly it, and getting outputs into AutoCAD, ArcGIS and QGIS without reformatting.
GCP Placement Guide for Survey-Grade Accuracy
Aeroyantra accepts GCP files as plain CSV, processes from $0 at $2.50 per credit, and returns independent check-point residuals.
Use 5-10 ground control points: one near each corner, one central, spread in elevation. Keep a third as check points for 2-3 cm horizontal accuracy.
Read the guideGSD Calculator and Drone Mapping Accuracy Guide
Aeroyantra processes RTK and PPK datasets from $0, pay-per-use at $2.50 per credit, and reports check-point residuals with every job.
GSD = sensor width x flight height x 100 / (focal length x image width). A Phantom 4 RTK at 100 m gives 2.74 cm/px. Expect 1-3x GSD horizontal accuracy.
Read the guideSupported Drones and Cameras for Drone Mapping
Any drone that writes geotagged photos works. 1,000 images from a 20 MP camera are 20 credits - $50 at $2.50 per credit - and sensors above 30 MP are billed at 30 MP.
Every drone and camera that works with Aeroyantra, from Mavic 3 Enterprise to WingtraOne, with sensor size and processing credits per 1,000 images.
Read the guide