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In my view, the axial map is a fundamental object, and many of the most important structural properties of urban street networks relate directly to it - for example, the scale-free distribution of line lengths. Also properties like intelligibility and synergy are I think essentially properties of the line map. But segment analysis using least angle change as the definition of distance finds the linear structure from the segment map, and so in key ways mimics the axial map while being at the same time much more disaggregated and precise than the axial map, and so can do more things analytically. So in my view, the axial map is fundamental theoretically, but least angle segment analysis can do more practically and so is the preferred form of analysis in most cases. - Bill At 15:20 24/10/2010, you wrote: >Hello every body >I have read that segment analysis offers several alternatives for >analysis including standard topological analysis, then the question >is what,s the significance of running alaysis depending on axial map >if segment map can play its role? is this indicates the end of axial >map usage in the future?