Ma 
‘The | 
class 
(The 
Figure 2: Compactness index applied to one 
land cover class (Bourgueil- Loire 
valley) 
Both grey and white is the only per point classified forest. 
Grey areas and white one are differentiated from each other by 
the computed compactness index. The threshold value is 18. White 
areas are over 18 (very compact), grey areas under (linear element 
and heterogeneous areas). Colo 
Fig 
We Htm ORA, dM I GHI dI her HAE WR m 
The 
are © 
Figure 5-1: Image of the Loire test site 
after multidensity and several compactness studies. 
A description of the units is given in 5-2. 
202 
ee MODE E