JiscMail Logo
Email discussion lists for the UK Education and Research communities

Help for SPACESYNTAX Archives


SPACESYNTAX Archives

SPACESYNTAX Archives


SPACESYNTAX@JISCMAIL.AC.UK


View:

Message:

[

First

|

Previous

|

Next

|

Last

]

By Topic:

[

First

|

Previous

|

Next

|

Last

]

By Author:

[

First

|

Previous

|

Next

|

Last

]

Font:

Proportional Font

LISTSERV Archives

LISTSERV Archives

SPACESYNTAX Home

SPACESYNTAX Home

SPACESYNTAX  June 2007

SPACESYNTAX June 2007

Options

Subscribe or Unsubscribe

Subscribe or Unsubscribe

Log In

Log In

Get Password

Get Password

Subject:

FW: What is an axial line?

From:

Rui Carvalho <[log in to unmask]>

Reply-To:

[log in to unmask]

Date:

Sat, 9 Jun 2007 15:24:04 +0100

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (140 lines)

FYI

________________________________________
Dr. Rui Carvalho
http://www.casa.ucl.ac.uk/rui/
Senior Research Fellow
Centre for Advanced Spatial Analysis
University College London
1-19 Torrington Place
Gower Street  
London WC1E 6BT, U.K.


-----Original Message-----
From: Alan Penn [mailto:[log in to unmask]] 
Sent: 09 June 2007 14:57
To: 'Rui Carvalho'
Cc: 'Michael Batty'
Subject: RE: What is an axial line?

Rui, and why send off line messages addressed to you personally to the list?
Again they just annoy people...

All the best,
Alan

> -----Original Message-----
> From: [log in to unmask] [mailto:[log in to unmask]] On
> Behalf Of Rui Carvalho
> Sent: 09 June 2007 14:20
> To: [log in to unmask]
> Subject: FW: What is an axial line?
> 
> FYI
> 
> ________________________________________
> Dr. Rui Carvalho
> http://www.casa.ucl.ac.uk/rui/
> Senior Research Fellow
> Centre for Advanced Spatial Analysis
> University College London
> 1-19 Torrington Place
> Gower Street
> London WC1E 6BT, U.K.
> 
> 
> -----Original Message-----
> From: Alan Penn [mailto:[log in to unmask]]
> Sent: 09 June 2007 14:09
> To: 'Rui Carvalho'
> Cc: 'Bill Hillier'
> Subject: RE: What is an axial line?
> 
> Rui,
> 
> why are you resending messages to the list that were sent there in the
> first
> place? This is very much against mail list etiquette as it annoys people
> having their mail boxes filled up...
> 
> Alan
> 
> > -----Original Message-----
> > From: [log in to unmask] [mailto:[log in to unmask]] On
> > Behalf Of Rui Carvalho
> > Sent: 09 June 2007 13:59
> > To: [log in to unmask]
> > Subject: Re: What is an axial line?
> >
> > FYI
> >
> > ________________________________________
> > Rui Carvalho
> > http://www.casa.ucl.ac.uk/rui/
> > Senior Research Fellow
> > Centre for Advanced Spatial Analysis
> > University College London
> > 1-19 Torrington Place
> > Gower Street
> > London WC1E 6BT, U.K.
> >
> >
> >
> > On Tue, 5 Jun 2007 13:59:24 +0100, Professor Bill Hillier
> > <[log in to unmask]> wrote:
> >
> > >Rui, in syntax every axial line is drawn with respect to all others,
> > >and you can only be sure that any line is a correct one by checking
> > >it with reference to the system as a whole. The proper question is:
> > >'Are axial graphs unique', that is, is there a correct one for every
> > >urban system. I believe we showed two ways in which we could be sure
> > >of this in my Rejoinder to Carlo Ratti. At that time - I think on
> > >this mailbase - I challenged sceptics to show a case of a settlement
> > >where, given that we agreed what was to be mapped, the definitions we
> > >offered allowed more than one interpretation of the axial graph. So
> > >far we have had no candidates.
> > >
> > >Anyway, until someone shows that axial graphs as we defined them are
> > >not unique, and that there is not a 'correct' graph for each
> > >settlement, we can say with reasonable confidence that an axial line
> > >is any line that is a member of the set making up a correct axial
> > >graph. In all other respects it is just a line drawn on a map.
> > >
> > >Since we cannot limit its length, connectivity or straightness, which
> > >are the only intrinsic properties a line has, it is clear that we can
> > >only define axial lines with respect to the system of which they form
> > >a part, that is, with respect to the extrinsic, not intrinsic,
> > >properties of each line.
> > >
> > >So if you are interested in the rigour or otherwise of axial mapping,
> > >your question seems to be the wrong one. It really should be: Do
> > >settlements have unique axial graphs ? To expect to build such a
> > >graph from some kind of essentialist definition of a line, however
> > >derived, is really a 'reifying slices' error.
> > >
> > >By the way, I don't like beer. But Portuguese wine is another matter
> > >if you have access to a good producer ! - Bill
> > >
> > >
> > >
> > >
> > >At 11:06 05/06/2007, you wrote:
> > >>Free pints for life to the first who can give an unambiguous
> definition
> > >>of "axial line" -and that's out of a post-doc's salary, so you see how
> > >>sure I am that this is mission impossible!
> > >>
> > >>C'mon Alan!
> > >>
> > >>Rui
> > >>________________________________________
> > >>Rui Carvalho
> > >>http://www.casa.ucl.ac.uk/rui/
> > >>Senior Research Fellow
> > >>Centre for Advanced Spatial Analysis
> > >>University College London
> > >>1-19 Torrington Place
> > >>Gower Street
> > >>London WC1E 6BT, U.K.
> > >

Top of Message | Previous Page | Permalink

JiscMail Tools


RSS Feeds and Sharing


Advanced Options


Archives

August 2018
July 2018
June 2018
May 2018
April 2018
March 2018
February 2018
January 2018
December 2017
November 2017
October 2017
September 2017
August 2017
July 2017
June 2017
May 2017
April 2017
March 2017
February 2017
January 2017
December 2016
November 2016
October 2016
September 2016
August 2016
July 2016
June 2016
May 2016
April 2016
March 2016
February 2016
January 2016
December 2015
November 2015
October 2015
September 2015
August 2015
July 2015
June 2015
May 2015
April 2015
March 2015
February 2015
January 2015
December 2014
November 2014
October 2014
September 2014
August 2014
July 2014
June 2014
May 2014
April 2014
March 2014
February 2014
January 2014
December 2013
November 2013
October 2013
September 2013
August 2013
July 2013
June 2013
May 2013
April 2013
March 2013
February 2013
January 2013
December 2012
November 2012
October 2012
September 2012
August 2012
July 2012
June 2012
May 2012
April 2012
March 2012
February 2012
January 2012
December 2011
November 2011
October 2011
September 2011
August 2011
July 2011
June 2011
May 2011
April 2011
March 2011
February 2011
January 2011
December 2010
November 2010
October 2010
September 2010
August 2010
July 2010
June 2010
May 2010
April 2010
March 2010
February 2010
January 2010
December 2009
November 2009
October 2009
September 2009
August 2009
July 2009
June 2009
May 2009
April 2009
March 2009
February 2009
January 2009
December 2008
November 2008
October 2008
September 2008
August 2008
July 2008
June 2008
May 2008
April 2008
March 2008
February 2008
January 2008
December 2007
November 2007
October 2007
September 2007
August 2007
July 2007
June 2007
May 2007
April 2007
March 2007
February 2007
January 2007
2006
2005
2004
2003
2002
2001
2000
1999
1998


JiscMail is a Jisc service.

View our service policies at https://www.jiscmail.ac.uk/policyandsecurity/ and Jisc's privacy policy at https://www.jisc.ac.uk/website/privacy-notice

Secured by F-Secure Anti-Virus CataList Email List Search Powered by the LISTSERV Email List Manager