381 
Fig.5: Villefranche-sur-Cher (France), scale 1:35 000 (by courtesy 
of OFVLR) 
topographic map 1:50 000 
(original scale 1:25 000) 
o 1 2 km 
stereopair 1:35 000 
Ha.6: Simulations of digital scanner imagery (Villefranche, scale 
= 1:35 0001 
pixel size 100 pm = 3.50 m 
pixel size 800 pm = 28.oo m 
1 2 3 4 5 km 
I k TTTWTTT 1 1