Orthophoto is an aerophoto that is converted from central to orthogonal projection, taking into account data on relief and absolute orientation of aerial photos. In doing so, the effects of the optics of the aerial camera, its inclination and the influence of the diversity of the terrain are removed. They are comparable in measure to line charts, the split into sheets is the same as for TTN5. All orthophotos are available in TIFF format. Different orthophotos are produced according to resolution and color spectrum:
— DOF025
— color (RGB) orthophoto with floor interval length (DTI) 0.25 m
— DOF050 — Color (RGB) orthophoto with floor interval length (DTI) 0.50 m
— DOF050IR — colored near-infrared (IR, R and G) orthophoto with floor interval length (DTI) 0.50 m
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