Is a square another of those ill defined entities that space syntax
researchers work with?
Do you need four edges to have a square? Can a square be round?
Comments welcome as usual!!!
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.
On Tue, 5 Jun 2007 08:27:33 +0530, Nena Zutshi <[log in to unmask]>
wrote:
>Dear Ruth,
>
>The difference between a street & square....maybe a street has two
>interactive edges while a square has four??
>Sometimes a street is defined within a plaza/square on the basis of
>function,which is why some squares that are "too big" lie vacant in bits
and
>"organic" streets are defined within.
>
>
>Nena Singh
>PGCert AAS
>India
>
>On 6/1/07, Alan Penn <[log in to unmask]> wrote:
>>
>> The route down the ramp at Torrington Place seems to me to be relatively
>> unproblematic. If you are mapping 'private space' (within an individual
>> building curtilage) it should be there as it provides real access to the
>> back door and the way into CASA. The more problematic street segments on
>> OS
>> Mastermap are the very short bits that go round traffic bollards in the
>> middle of roads and at junctions - perhaps it is these that give rise to
>> the
>> curve at the tail of the distribution? Sticking to geometry based
>> definitions seems to me to be much simpler than semantic or heuristic
>> definitions for this kind of thing.
>>
>>
>> Alan
>>
>> >
>> > Lucas
>> >
>> > A question: If we include, following 'TeleAtlas' for instance, to map
>> such
>> > countless bits of space as 'The ramp to the car park at 1-19
Torrington
>> > Plc' or 'The entrance to the emergency services at UCH' into a street
>> > network, could it change its degree distribution from a 'log-normal'
to
>> > a 'power-law'? If so, can we really claim that the degree distribution
>> of
>> > street networks does not follow a power law but a log-normal?
>> >
>> > Regards,
>> > Hoon
>> >
>> >
>> > >On Thu, 31 May 2007 19:24:49 +0100, Lucas Figueiredo
>> > ><[log in to unmask]> wrote:
>> > >
>> > >>On 31/05/07, Rui Carvalho <[log in to unmask]> wrote:
>> > >>> Pitty no one knows what a street is...
>> > >>
>> > >>Certainly it is not a segment (or route) between two junctions.
>> > >>Otherwise we would have things like "Oxford Street sector A, B, C"
and
>> > >>so on...
>> > >
>> > >The ramp to the car park at 1-19 Torrington Plc. This comes in GPS
car
>> > >navigation systems as a decision point? is it a street?
>> > >
>> > >The entrance to the emergency services at UCH (that's UCL Hospital
for
>> > non
>> > >Londoners). Is it a street?
>> > >
>> > >This question appears when you process data from services like
>> TeleAtlas
>> > -
>> > >the most accurate data available on street networks...
>> > >
>> > >Looks like Alan should organize that 'mass observation' on what a
>> street
>> > >is after all...
>> > >
>> > >Comments welcome!
>> > >
>> > >Rui
>> > >
>> > >
>> > >>
>> > >>Regards,
>> > >>
>> > >>Lucas Figueiredo
>> > >>http://www.flickr.com/photos/lucasfigueiredo/
>> > >>
>> > >>Mindwalk
>> > >>http://www.mindwalk.com.br
>> >
>>
>========================================================================
>>
>
>
>
>--
>Nena Singh Zutshi
>Architect
>1806,Sector 17,Gurgaon-122001.
>
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