This gallery contains 12 photos.
Aerial mapping with the Mavic 2 Pro for 1:200 sale topographic survey is possible and the theoretical GSD is adequate. As the Mavic has no DGPS capacity GCPs are essential. Issues of image resolution, GPS/barometric heighting* and autonomous mission control … Continue reading
This gallery contains 10 photos.
A look back Next year will see the 20th ArchDoc week at the RLICC. In preparation for this I have been asked to write a summary of the 20 editions of the initiative for publication. I have collected my … Continue reading
This gallery contains 6 photos.
A new edition of CAP722. Following discussion with PfCO holders I have been looking at the prohibited space restriction as published in the July 2019 edition of CAP722: The hatched area are those zones in which small UAS flight is … Continue reading
This gallery contains 6 photos.
I am a little surprised at how operating SUA has changed my approach to low level aerial photography. In theory, with a drone I can wait for the light, launch, shoot and bag the frame I want. In practice this … Continue reading
There are probably better ways of getting a handle on how high to fly the Mavic Pro2 but seeing the numbers is how I like to work, the sequence of scales is obvious and the ceiling of 120m AGL is … Continue reading
This gallery contains 6 photos.
The relationship between GSD and map scale is simple in theory but the practice of getting sharp ortho results such that they function as a photo-map is not so straightforward. From the excellent Pix4D support pages: The printing scale indicates … Continue reading
This gallery contains 6 photos.
The Mavic 2Pro’s L1D-20c camera has photogrammetric potential. To establish flight parameters for 1:200 scale mapping with it an effective minimum ceiling and shot interval need to be tested. In theory this is a simple application of the photo-scale equation … Continue reading
This gallery contains 19 photos.
There are 3 elements to setting up the coms. Preparing the TS15 Connecting TheoLt to the TS15 Achieving the connection to CAD This post deals with the first 2 elements, the connection to CAD will wait for another day.. Step … Continue reading
This gallery contains 2 photos.
Positioning a camera by kite is a straight forward affair. You can either get over your subject or you can’t. The camera lies on the path between you and the kite and although catenary or slack line comes into play … Continue reading
This gallery contains 7 photos.
The Ecclesiological (late Cambridge Camden) Society published working drawings of church fittings. Here is a selection of 7 of the plates, full size scans are available on application by email.
