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Laboratorio URB&COM                                                                 Urbanistica e Commercio               ...
SummaryRetail planning and urban planning;Representation of the retail phenomenon;The Kernel Density Estimation (KDE);Phas...
Retail planning and urban planningNational deregulation (principal acts):-   Legislative Decree no. 114/1998 (liberalizati...
Representation of the retail phenomenonHighly accurate mapping method:To reconstruct the complexity of the uses at the bui...
The Kernel Density Estimation (KDE)- The geometry of the input    from point to line   linear extension of windows   high ...
Phases of the analysis’ process                             Retail and services Clustering Area (RCAs)Phase of the analysi...
Analysis and General Urban PlanPiano di Governo del Territorio (General Urban Plan)   Documento di Piano (Strategic plan) ...
Analysis and General Urban Plan1                                   23                                   4    Laboratorio U...
Conclusions•   It’s necessary to define some methodologies for representation and analysis the retail and    services dyna...
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Limonta - Input2012

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Giorgio Limonta on "Representation and analysis of retail phenomena to support
urban planning policies.Some applications of the Kernel Density Estimation method in the Milan area."

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Transcript of "Limonta - Input2012"

  1. 1. Laboratorio URB&COM Urbanistica e Commercio DiAP - Politecnico di MilanoRepresentation and analysis of retail phenomena to supporturban planning policies.Some applications of the Kernel Density Estimation method in the Milan areaGiorgio LimontaLaboratorio URB&COM – Politecnico di MilanoUrbanism and Retail Management Research Groupmail: giorgio.limonta@yahoo.itcell: +393384635443
  2. 2. SummaryRetail planning and urban planning;Representation of the retail phenomenon;The Kernel Density Estimation (KDE);Phases of the analysis’ process;Analysis and general urban planConclusion Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
  3. 3. Retail planning and urban planningNational deregulation (principal acts):- Legislative Decree no. 114/1998 (liberalization of the retail businnes);- Legislative Decree no. 59/2010 (implementation of the European Directive ‘Bolkestein’);Led retail planning policies into a gradual transition from a “quantitative need” to a “qualitative need”;Led the management of retailing structure’ allocation within urban planning policies (especially at the municipal level); Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
  4. 4. Representation of the retail phenomenonHighly accurate mapping method:To reconstruct the complexity of the uses at the buildings’ ground floor. Not only the retail store but all type of situations that one can find at the ground level (food and beverage stores, offices, abandoned and vacant stores,…); Two different features for define the shape of the retail business: - Point, to represent the main entrance of the store; - Line, to represent the extension of the shop window; Identify the shopping potential of local contexts and not just the geography of commercial density Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
  5. 5. The Kernel Density Estimation (KDE)- The geometry of the input from point to line linear extension of windows high densities large glass front- Choice of bandwidth various (adaptive) depending which urban space are used perception by a users passing Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
  6. 6. Phases of the analysis’ process Retail and services Clustering Area (RCAs)Phase of the analysis: 11. Identify different clustering value of retail and services businesses;2. Identification of Potential RCAs with least 3 stores;3. “Shopping relevance value” of RCAs;2 3 Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
  7. 7. Analysis and General Urban PlanPiano di Governo del Territorio (General Urban Plan) Documento di Piano (Strategic plan) Identify strengths and weakness of the RCAs define the strategic guidelines for development the urban sales activities; Piano delle Regole (Regulation plan) The KDE’ result was a basic references areas for identify specific prescription zones (differentiate the dimension for the new medium size store); Piano dei Servizi (Services Plan) Value the “shopping effect” of the different part of the city able to qualify in terms of sociability and livability define public strategies for retail and services; Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
  8. 8. Analysis and General Urban Plan1 23 4 Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
  9. 9. Conclusions• It’s necessary to define some methodologies for representation and analysis the retail and services dynamics for best interact with the General Urban Plan;• KDE method could be a good tool for the analysis and the interpretation of the retail phenomena (well-know method, implemented in some GIS software);• Could be a good way to support the public retail strategies: helpful to define and describe the RCAs; give an objective evaluation of the retail and services densities (compromise between subjective depiction and geo-statistical analysis);• Make the interpretation objective and transparent: easy to explain the input variables choice (bandwidth);• Could be also used to define the perimeters of the retail planning and regulation zones within the General Urban Plan (strictly connected to the mapping detail of the input); Laboratorio URB&COM Representation and analysis of retail phenomena to support urban planning policies DiAP - Politecnico di Milano Some applications of the Kernel Density Estimation method in the Milan area Giorgio Limonta Session: Spatial Data Analysis
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