Figure 1 . The macro-scale spatial system under study ( after Robinson 1946 , plate 271 )
Macro-scale analysis : the street network Figure 2 shows the axial map ( 2a ) and the visibility graph ( 2b ) resulting from Depthmap . The integration value per axial line together with the street name that each line represents , is listed in table 1 . 4
4 As the axial lines have to be straight for the analysis , Avenues D and E consist of more than one axial line , respectively two and three , since they are curved . The different segments are numbered in table 1 according to their position from north to south .