Thank you Prof. Bill Hillier for your valuable information, i will try both ways

Nabil Mohareb

----- Original Message -----
From: Professor Bill Hillier <[log in to unmask]>
Date: Thursday, March 29, 2007 7:44 pm
Subject: Re: traditional commercial markets (Souq)

> Dear Nabil - This is actually a very interesting question. In 
> general, line based analysis, and in particular the segment 
> angular 
> analysis available in DepthMap is the best - and best tested - 
> syntactic technique for urban pedestrian movement. VGA is much 
> less 
> good for urban movement because it conflates one and two 
> dimensional 
> analysis i.e. a space may be integrated either because it is well 
> connected in the linear pattern or because it is wider, and the 
> technique does not tell you which. This is why in urban analysis 
> we 
> tend to put the width of spaces into the regression model rather 
> than 
> the spatial model, so that the spatial aspect of movement remains 
> clear. Where we have found VGA, and in particular visual 
> integration 
> analysis, strong is in buildings like department stores, and we 
> think 
> it is because movement is less linear and more exploratory, and so 
> movement used the breadth dimension of space to complement the 
> linear 
> dimension much more than in urban movement which is in general 
> less 
> exploratory and more linear.
> 
> So the question as to which would work best in a traditional 
> market 
> in Cairo is a nice open question. It would be very interesting to 
> try 
> both to see which was best - and then write a paper about it for 
> the 
> Symposium ! - Bill Hillier
> 
> At 10:03 23/03/2007, you wrote:
> >Dear Sir
> >I want to study traditional commercial markets in historical 
> Cairo 
> >(Khan El Kalily Souq) as an example in part of my PhD courses 
> using 
> >space syntax, my question is which method should i use: axial map 
> or 
> >VGA to understand the pedestrian flow logic through those spaces, 
> >and is there any paper or sources of information regarding this 
> subjects>
> >Thanks for your time
> >
> >Nabil Mohareb
> >UAE University
>