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Including a social perspective into urban planning using visualisations based on self-organising maps
 

Including a social perspective into urban planning using visualisations based on self-organising maps

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Including a social perspective into urban planning using visualisations based on self-organising maps

Including a social perspective into urban planning using visualisations based on self-organising maps

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    Including a social perspective into urban planning using visualisations based on self-organising maps Including a social perspective into urban planning using visualisations based on self-organising maps Presentation Transcript

    • hansjoerg.stark@fhnw.ch Including a Social Perspective into Urban Planning using Visualisations based on Self-Organising Maps Hans-Jörg Stark*, Tanja Klöti**, Daria Hollenstein*, Susanne Bleisch***, Carlo Fabian** * Institute of Geomatics Engineering, School of Architecture, Civil Engineering and Geomatics, University of Applied Sciences and Arts Northwestern Switzerland FHNW ** Institute for Social Planning and Urban Development, School of Social Work, University of Applied Sciences and Arts Northwestern Switzerland FHNW *** Department of Infrastructure Engineering, University of Melbourne, Australia
    • hansjoerg.stark@fhnw.ch Introduction Starting position… Urban planning very technical process (maximum building heights, gross floor space, type of use etc.) Very controllable and measurable, most of all financially! (ROI)
    • hansjoerg.stark@fhnw.ch Introduction Goal: Support the development of liveable and socially sustainable environments Means: Integration of social factors into the rather technical urban planning process
    • hansjoerg.stark@fhnw.ch Social Sustainability = an integrated view of societal developments • taking into account economic, ecological and social aspects for future decisions • on every level of society (global, national, regional, local). (World Commission on Environment and Development 1987)
    • hansjoerg.stark@fhnw.ch Introduction BUT… Social factors are highly multidimensional and thus very complex Approach: Application of Self-Organising Maps (SOM)
    • hansjoerg.stark@fhnw.ch Socially Sustainable Urban Planning Rieselfeld, Freiburg i.B. (Germany) Solar-City, Linz (Austria) 1990ies: First urban development projects in Europe termed socially sustainable Key dimensions are • social equity • sustainability of community (Drilling 2013)
    • hansjoerg.stark@fhnw.ch Indicators for Socially Sustainable Urban Planning Social Structure Which social groups live here and how can their community life be enhanced? Usage What kind of (social) infrastructure is needed and where should it be located? Design for All How can the accessibility of buildings, public spaces and mobility be improved and ensured? Mobility How are living spaces, workplaces, leisure activities, supply infrastructure and educational institutions spread over the area and how are they connected to each other? Participation How can residents participate in the planning and decision making process? Soziale Nachhaltigkeit in der Siedlungsentwicklung (Drilling & Weiss 2012)
    • hansjoerg.stark@fhnw.ch Social Aspects in Urban Planning Process Visualisation of • social structure • spacial structure • building structure need for action review of basic knowledge problem description task definition  Provision of a socially sensitive view of the planning problem Planning Process
    • hansjoerg.stark@fhnw.ch SOM in Urban Planning Fundamental assumption: relation between the living place and the socio-economic level of an individual (Neme et al. 2011; Niemelä & Honkela 2009; Harris et al. 2005) Neighbourhood Effects: correlation of numerous variables to a person’s residence (Harris et al. 2005) SOM are a special form of artificial neural network (Kohonnen 2001)
    • hansjoerg.stark@fhnw.ch SOM in Urban Planning SOM use algorithms to faciliate the self-organisation of the multidimensional input data through a series of iterations Result: multidimensional attribute space is reduced to a 2D space Why SOM?  The development of urban areas is seen as a self-organising organism!
    • hansjoerg.stark@fhnw.ch Study Area Langenthal, Markthallenareal
    • hansjoerg.stark@fhnw.ch Study Area Software • Socially sensitive planning must visualize the actual distribution of all variables • Quickly and easily model different planning scenarios (i.e. change the original dataset / variables) • Apply SOM to show the planner the effect in attribute-space of the modeled changes
    • hansjoerg.stark@fhnw.ch Results 1. Compute Streetblocks 2. Aggregate attributes 3. Run SOM
    • hansjoerg.stark@fhnw.ch Results
    • hansjoerg.stark@fhnw.ch Results
    • hansjoerg.stark@fhnw.ch Results Software Urban ROI Designer (URD) by tsquare
    • hansjoerg.stark@fhnw.ch Conclusion • SOM proved to be a valid tool for planning scenarios (technically) • SOM must be evaluated as valid tool for planners • Integration of SOM into URD currently in progress • Study Area (City of Langenthal) is currently verifying