- 894 -
Fig. 1 Transitional zone between the densified cote of
Brussels and the suburbs (Uccle)
Sign. 2 refers to densified housing; ©6,to concrete roofs and
infrastructures; M and 4 (class 4 and 5) form a transition with
residential settlements; = refers to class 7 (see text p. 890).
Open spaces and tree covered parks are left in white. Sign - re-
presents water pools or little valleys but also dark shadowed
areas (unsupervised classification)
By courtesy of the Ministère des Travaux Publics, Bruxelles,
feuille 31, 02/05/71, n 515
Fig. 2 Southern fringe of Brussels
Built up areas and infrastructures are left in white.Sign B refers
to meadows and fodders; O and 1, (sometimes with ©) to bare soils,
waste lands and highly reflecting surfaces such as the cemetery
at upper left corner. Sign M associated with O, 1 and . repre-
sents crops (bottom of image) highly reflecting in march (the
reflection of soils being still predominant). Sign - refers
to wooded areas associated with scattered villas.
Photo: By courtesy of the Ministère des Travaux Publics,
Bruxelles, may 1971, scale of photography is 1/15 ooo,
and that of unsupervised classification, 1/23 ooo
Fig. 3a The airfield of Zaventhem on an aerial photograph and
the corresponding unsupervised classification of LANDSAT (march
73)
The runway pattern is given by the regular disposal of signs -,
1 and X. The bright concrete parts correspond to -; the darkest
to X (especially brake marks).Visitor parkings and Terminal are
left in white. The roofs of some shelters are represented by
sign B but it also may be the case for other land uses such as
taxitracks. Notice two antennas from terminal to the planes in
A and B. Main runway axes are underlined by a black line to help
identification.
Photograph: By courtesy of the Ministère des Travaux
Publics, Bruxelles, 1971/05/07, feuille 31, 112, 1/15 ooo.
Fig. 3 b The new Campus of the Free University of Brussels under
construction
The same classes of values as for Zaventhem but without any clear
organization except for sign B which almost stands round about
other higher values (sandy and high reflecting patches).
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