Spatial Distribution of Tourism Resources Based on POI Data——A Case Study of Dalian City
From the perspective of residents'behavior,taking the POI data of Dalian as the research object,using ArcGIS software,the spatial pattern of express outlets in Dalian was studied by comprehensive use of kernel den-sity analysis,standard deviation ellipse and spatial autocorrelation analysis.The results show that the distribution pattern of express delivery outlets in Dalian is"middle secret,outer sparse and core".The high density is generally located in the central urban area,and the low density is located in the far urban area.The spatial distribution of express outlets shows obvious directivity and develops along the direction of"northeast-southwest".Based on this,suggestions are put forward for the future planning of Dalian City to be customer-oriented,coordinated with urban development planning,and make full use of surrounding public infrastructure for layout.
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