Drone Mapping (photogrammetry) turns overlapping images into a 3D model. This page helps when processing fails or ground control points (GCPs) are not found.
Plan the flight and the targets
Read Sodex Drone Mapping Best Practices and Photogrammetry Processing by Sodex.
GCPs are not detected
Read Drone Mapping: Ground control points are not detected. For how GCPs are used, read Use Ground Control Points during photogrammetry import.
Processing fails
For too few overlapping images, read Photogrammetry fails with too few overlapping images in moving vegetation. For very large datasets, read Drone Mapping: Very large datasets fail to process. For the choice between LiDAR and photogrammetry, read Sodex Mobile: Lidar vs Photogrammetry processing. Credit use is explained in SDX-Cloud: How photogrammetry credits are calculated.
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