The process:
Heavy Hexacopter with rotating camera, canon 500d 8 mm lens, 6 photos.
Use PT GUI, Photoshop and convert to SWF.
High 80 - 120 meter.
For the building project in the centre of the town 30 - 40 meter.
Hope this will help,
rgds,
Koos Maring
http://www.broadwing.eu