CIP A 2003 XIX th International Symposium, 30 September - 04 October, 2003, Antalya, Turkey 
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fig6 Comparison between orthophoto (original nominal scale 1:5000) and true orthophoto (original nominal scale 1:2000) 
Conclusions 
The experiences of St. Mark's Square illustrated here 
demonstrate how laser techniques, along with photogrammic 
elaborations in the terrestrial field and the aerial cartographic 
area, are able to provide extremely functional, complete and 
accurate products. 
These are essentially digital images given either a geometry that 
enables direct measurability (true orthophotos) or are provided 
with a supplementary layer of information containing the 3D 
images (solid images). Both elaborations can be in turn 
integrated into a true 3D orthophoto. Added to this, as shown, is 
the information that enables a more widespread diffusion of 
survey products and cartography contributing to the diffusion of 
the cartographic culture. 
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