Corso Pereira & Rocha - Input2012

Spatial Representations
and Urban Planning
Gilberto Corso Pereira
Federal University of Bahia - corso@ufba.br
Maria Célia Furtado Rocha
PRODEB

terça-feira, 12 de junho de 12

Spatial representations and urban planning

• urban models - idealized representations
urbanism and digital representations
• planning and urban models
• urban models and social representation
• public space/sphere


Urbanism and Digitization
cities and urban planning


cities and urban planning

Urban Planning X political power
asymmetric consequences

participation in planning process
demand for information


urban data / information

digital data
digital representation
public participation


digital city
• network, services;
De Digitale Stad, 1994
• urban models


digital city contemporary vision
large amount of data available
computers in the city x city inside the computer
a. use of virtual environments as an interface for
planning activities and management
b. support and access to data and information by
citizens and organizations
c. provide an infrastructure communication
d. deliver innovative services and value added
information

Planning and Urban Models
types, classiﬁcation
Lowry, 1965

• descriptive

• predictive

• planning

• iconic

• symbolic

•
Ackoff
analogue


technological context

CAD 2D > 3D



CAD 2D > 3D > BIM



Digital photogrametry
laser scan
LIDAR
GPS


Al Gore vision, 1998 science ﬁction, 1992
“Digital Earth” as a multi-resolution, three- “There is something new: A globe about the size
dimensional representation of the planet that of a grapefruit, a perfectly detailed rendition of
would make it possible to ﬁnd, visualize, and Planet Earth, hanging in space at arm's length in
make sense of vast amounts of geo-referenced front of his eyes. Hiro has heard about this but
information on the physical and social never seen it. It is a piece of CIC software called,
environment. Such a system would allow users simply, Earth. It is the user interface that CIC
to navigate through space and time, access to uses to keep track of every bit of spatial
historical data as well as future predictions information that it owns - all the maps, weather
based for example on environmental models, data, architectural plans, and satellite surveillance
and support access and use by scientists, stuff. ... Now it is suddenly here, free of charge”
policy-makers, and children alike
Neal Stephenson’s (1992) novel Snow Crash

2001 - launch of Keyhole’s Earth Viewer 2005 - launch of Google Earth


Urban Models and Social Representation
geometry X geography X demography

topographical
descriptive model, if used
representations fail to
for analysis of urban
capture the essence of
social processes, would
economic, political and
have to incorporate new
cultural place in the
forms of representation
contemporary city
Sassen, 2001


Urban Models and Social Representation
areas, dwelling, adress


Urbanism and public space/sphere
physical X virtual X real

digital simulation of the
real world



digital simulation of the
real world
virtual geographies and
physical arrangements
of cities


public sphere
• not limited to media or public places
for sociospatial interaction
• the cultural/informational repository
for ideas and projects Castells (2008)
• social organizations and socio-
technical networks as systems and
environments
• spatial practices, interaction and
organization that did not previously
exist
Internet is not only a support element
and technological mediation
• environment to information,
communication and action


categories of "public", "public space"
must therefore be revised


Final Remarks
virtual/digital x real/physical

new tools

• display and manage
ﬂows of information
• ubiquitous
technologies
• participatory
planning, scenarios,
alternatives,
interactions ...
Yu Zheng, Urban Computing with Taxicabs, Beijing, 2011


Final Remarks
augmented city http://helsinki.urbanﬂow.io/

• cartography as
interface and
infra-structure
• city as social
network
• city as interface
and infra-
structure


Final Remarks
“the medium is the message”

changes are cultural and technological
architects and urban planners
not very present in this discussion
IT professionals
to increment the existing environment with tons of
digital information
convergence between physical and digital
geographical location - interactions based on “where”


Corso Pereira & Rocha - Input2012

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