Our objective in this paper is to argue for a new use of geographic information systems—GIS in local planning as an auxiliary tool for decision-making. We review the use of the GIS technique in earlier research studies and represent the empirical findings from using GIS in a quality-of-life study in conjunction with an urban renewal project of a residential area in Stockholm County, Sweden. Special attention is given to the potential of GIS for mapping qualitative data representing people's needs and judgments about their residential areas. We conclude with a discussion of future challenges in using GIS techniques in combination with the Internet for social analysis in renewal planning. One of the arguments proposed is that the tool can be used to promote the involvement of urban residents.
All the inhabitants of a city who participate in the choice of a place of residence are assumed to have a propensity to visit the urban centre. The distribution of residential locations is represented by a probability density surface whose horizontal plane projection is coextensive with that of the city. A spatially continuous system is thus defined in which it is shown that, under conditions of maximum entropy and subject to specific normalisation and cost constraints, the population is distributed in accordance with the negative exponential model of urban population densities.
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