Space syntax and spatial cognition: or why the axial line?
Space syntax and spatial cognition: or why the axial line?
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发表时间:
2001
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通讯作者:
A. Penn
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作者:
A. Penn
Space syntax research has found that spatial configuration alone, represented and measured ina specific manner, explains a substantial proportion of the variance between aggregate humanmovement rates in different locations in both urban and building interior space. Althoughit seems possible to explain "how" people move on the basis of these analyses, thequestion of "why" they move this way has always seemed problematic since the analysiscontains no explicit representations of either motivations or individual cognition. One possibleexplanation for the predictive power of the method is that the way people understandtheir environment and decide on movement behaviours is somehow implicitly embedded inspace syntax analysis. This paper explores the contribution made by space syntax theories andresearch to our understanding of environmental cognition, and addresses the question ofwhy the axial representation is so empirically successful. On the basis of a review of some ofthe relevant findings of space syntax research, it proposes that "cognitive space", defined asthat space which supports our understanding of configurations more extensive than ourcurrent visual field, is not a metric space, but topological or pre-topological in nature. Ahypothetical process for deriving a non-metric space from the metric visibility graph involvingexploratory movement is developed. The resulting space is shown to closely resemble theaxial graph. Recent research using simulation agents with vision confirms that axial movementpatterns follow from a simple random movement rule combined with a forward facingvisual field. It is argued that the social effects of spatial configuration in structuring communicationand transaction between individuals is based on co-presence in space, and that copresenceis determined by the local visual field and the way that configuration brings movementroutes through that field, are thus largely exosomatic in nature.