GEODIS GROUP has developed a unique technology for acquiring oblique images - PixoView. At this moment, we are documenting cities in the Czech Republic with the aid of this technology. The integral part of this system is the delivery of SW applications to the final user that will secure easy work with the image database.
Unlike classic vertical shots, in which the buildings are mostly shown in outline, oblique photographs provide information from a sideways perspective. Details shown on oblique photographs are also an ideal means of supplementing information acquired from orthophotomaps.
Oblique photography is planned in such a way that each building on the terrain is displayed from at least 4 directions.
What is PixoView good for?
In these pictures it is possible to determine the relation between neighbouring buildings, their relation to access points to the buildings and the connections between each entrance and the surrounding infrastructure.
Due to the high resolution in these pictures, ranging from 0.1 to 0.2 m, it is possible to see details of balconies, galleries and facades, including the fittings on them.
Oblique photographs can also be used to study underpasses, tunnel portals, viaduct flyovers, and similar sites.
When can PixoView be used?
The PixoView system can be used for photography at altitudes of 300 m and higher without restriction. Flying at the lowest height gives a resolution of 0.05 m, but photographs are usually taken from heights of 600 m above ground level, where the resolution of oblique photographs ranges from 0.1 to 0.2 m.
In order to optimalise oblique photography, a flight plan has been created which takes the terrain relief and the urban layout of the buildings into account. Careful planning ensures that each object on the terrain is visible from 4 sides. When shooting with an overlap, most buildings are captured on a considerably greater number of images.
