We're having issues with our photogrametry flight routes missing taking some pictures.

We thought flying at 3m/s horizontally may have been a culprit but even with a wait set at 1 second before snapping a picture at each waypoint - the odd time the camera doesn't trigger. We've tried flying at 1m/s speeds and still have this issue of missing pictures. We experienced this all morning today through a total of 8 photogrametry flights. One example of this from a route: We expected 75 pictures and the camera only took 67. This creates gaps in post processed orthomosaics.

Has anyone else experienced this and found a solution? Help is much appreciated. We have upcoming work using this feature for multiple drones/camera configurations - this is a problem we need to solve.

Thanks,
Steve

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Hi Steve,

could you export your mission to XML file and post it here? I'll check what can be wrong.

Could you give more information with regards to your setup?

Not sure how to post XML files here without uploading externally - I sent the mission file to the email ugcs@ugcs.com.
Not sure how to post XML files here without uploading externally - I sent the mission file to the email ugcs@ugcs.com.

OK, I have got your mission. All routes look good. I have checked segments length and speed - it seems that minimum time between shots will be 3s in most routes. 

I didn't find any information of minimum triggering interval for your camera, but 3s should work in most cases.

The only idea - please try to change SD cards. May be some problem with write speed here.

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