GCPs and Checkpoints Explained
Ғылым және технология
Following on from the discussion of RTK and PPK, we will now look at Ground Control Points (GCPs) and Checkpoints.
These are important items for any accurate mapping process, and definitely something to be aware of.
00:00 Introduction and Review
00:42 What are GCPs and how do they work?
01:30 What can be used as a GCP?
01:45 Marking locations and storing data
02:20 Using the GCPs in photogrametery software
02:45 Correcting the map
03:30 Checkpoints
04:00 Delivering reports to clients
04:20 Propeller Aeropoints
Avios Media offers drone automation training, and video production for Commercial Real Estate (CRE) and Construction Projects
GCP images kindly provided by Willis Worxs, LLC
For inquiries contact:
Barry@aviosaerialmedia.com
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Пікірлер: 8
Excellent overview, thanks. Interesting that there's so many ways to produce a final deliverable. Lot of options limited only by one's budget!
@aviosmedia
Ай бұрын
Glad it was helpful! It's also worth noting that it's best to include more than one if you can. e.g. use RTK during the capture and then PPK, GCPs or both. The MOST important one though is to use checkpoints. Without that you cannot be sure that everything came out as expected.
Thanks again- great video. Has the one explaining how to use and process GCP’s/checkpoints come out?
@aviosmedia
3 күн бұрын
Is this the one you are looking for? kzread.info/dash/bejne/gquMptytp8i7Y6w.html
Great again Barry... Thanks.
@aviosmedia
Ай бұрын
Glad you enjoyed it
Not sure I understand. Does the GNSS receiver (base station) sends RTK correction to the rover in direct or it sends it to the controller then the controller send it to the rover. If second option, with which protocol?
@aviosmedia
Ай бұрын
When setting the GCPs you don't use the drone at all. Typically you use two GNSS receivers - one placed on a known location (future video on how to find those coming) and one that moves around. The first GNSS receiver (base) sends corrections to the second GNSS receiver (rover).