Research On Vitality Measurement Of Xi’an Huifang Living Street Based On Multi-source Big Data

With the rapid development of China’s urbanization process,the vitality of streets is withered,the quality of space is dilapidated,and it has become a lost public space.Information technology goes deep into people’s daily life,making the individual emotional needs can be accurately captured,amplified and met.Urban space design facing individual emotional needs has become a new possibility and future trend.New data,new tools and new methods bring opportunities for the study of human-oriented urban space.With the revival of humanism,as a container of life,streets are once again concerned by the discipline of built environment,and theoretical research and practical projects has been explored.In this background,with the help of quantitative research tools and methods,it has become a new research focus to recognize the street space from the perspective of humanistic scale and analyze the influencing factors of street vitality.In this context,this paper takes Huifang street in Xi’an as the research object,uses urban spatial data,business POI data,baidu thermal map data and street view image data as multi-source Street database,and takes advantage of the massive and high-precision advantages of big data to focus the research scope of urban space on the living streets closely related to daily life,so as to explore the real use space of people The current situation and practical problems of vitality.This article first summarizes the relevant theories of street vitality,and defines the research contents of street space,life street and street vitality.The evaluation index system of street vitality is constructed based on previous theoretical research results,including the external representation of street vitality and the dual dimensions of spatial carriers.Secondly,we use the evaluation index of street vitality to measure the street vitality of Huifang in Xi’an.The quantitative analysis of the external representation of street vitality including time aspect and spatial aspect.The quantitative analysis of the spatial property of street vitality including space accommodation factor and space attraction factor,and then making the correlation analysis between the street vitality index and the spatial factor index,mining the influencing factors of street vitality.According to the influencing factors of street vitality,the space design strategy is put forward to guide the practice of urban planning,realize the reconstruction of street vitality and improve the quality of life of residents.