Cartographie et Relevé
Calculateur de Recouvrement
Espacement des lignes de vol et des prises de vue à partir de l'empreinte d'image et du % de recouvrement.
Aide à la planification uniquement — pas un logiciel certifié de planification de vol ni une autorisation d'espace aérien. Vérifiez toujours les résultats avec le manuel de votre appareil et consultez la réglementation en vigueur avant de voler. Avis de non-responsabilité complet.
Don't know your footprint? Work it out first with the GSD Calculator.
Spacing
Flight-line spacing: 40.0 m
Capture spacing (along each line): 22.5 m
Front vs. side overlap
Front overlap is how much consecutive photos along one flight line overlap each other — higher front overlap means the drone triggers the shutter more often. Side overlap is how much adjacent flight lines overlap — higher side overlap means flight lines are spaced closer together. Both matter for photogrammetry software to successfully stitch images into a map.
Typical values
75% front / 65% side overlap is a common default for orthomosaic mapping; simpler visual surveys can often use less (60%/50%), while complex terrain or 3D modeling often wants more (85%+/75%+).