Series Connection And Optimization Of Cultural Tourist Routes In Yuzhong District Of Chongqing Based On Spatial Vitality

Historical and cultural heritage is the dominant resource of urban stock development,which directly and profoundly reflects the humanistic value,ethical value and aesthetic value of cultural landscape.The cultural tour line provides an innovative path for heritage protection and inheritance.Based on the relevant literature,it is found that most of the existing researches on tourist routes are focused on scenic spots,parks and regional linear heritage,while less on urban scale;quantitative optimization is an important research direction;thematic research on tourist routes is rare.Therefore,starting from the historical and cultural heritage tour line of Yuzhong District,this paper further discusses the series optimization of theme tour line,which has important theoretical and practical significance.This paper takes the cultural tour line as the research object,and defines the material carrier of culture as historical and cultural heritage.With the research idea of "theoretical basis object investigation quantitative analysis series optimization",the historical and cultural heritage sites are systematically integrated,related and reorganized to activate the vitality of declining space and continue the historical and cultural context of the city.The research methods and conclusions are as follows:(1)Yuzhong District’s historical and cultural heritage mainly includes three historical and cultural blocks,nine traditional landscape areas,149 173 sites of cultural relics protection units,showing the characteristics of recessive,scattered and weak correlation in the geographical space.Combing the existing 24 cultural tourist routes,it is found that the theme of cultural tourism products in Yuzhong District is single;city landmarks and shopping malls have a significant "drainage" effect on the tourist routes;there is a lack of vertical tourist routes,and the number of scenic spots along the tourist routes along the city’s central ridge needs to be enriched.(2)The multi-source big data,such as Baidu heat map and microblog semantic text,are collected,analyzed,expressed quantitatively and cross verified.This paper quantifies the "spatial vitality" with the index of crowd concentration degree,and selects Baidu thermal map to measure the spatial vitality.Firstly,the heritage sites with high vitality or vitality potential are selected as the main body of the tour line.Secondly,the spatial-temporal characteristics of urban crowd concentration are analyzed,and the emerging vitality points reflecting the six elements of tourism are excavated to assist the route positioning of the tour line.Based on the quantitative results of spatial vitality,the cultural tour routes are connected and optimized,which is in line with the background of stock revitalization and the trend of quantitative and humanistic discipline development.This study puts forward the hypothesis that "the protection level of historical and cultural heritage is positively correlated with its space vitality(i.e.actual use efficiency)".According to the data collection and quantitative data analysis,the evaluation of heritage protection level and the measurement of spatial vitality are divided into three levels: high,medium and low,respectively,and the correlation between them is analyzed by listing.In view of the six results that the hypothesis is not tenable and deviates from the hypothesis,this paper focuses on the investigation,and summarizes three influencing factors of spatial vitality,namely,traffic accessibility,diversification of functional formats,and richness of landscape nodes.(3)Combined with the current situation of Yuzhong District tour line,three principles of series optimization of cultural tour line are extracted,including the integrity of tour line network,the richness of cultural theme and the diversity of space vitality.The complete tour line consists of scenic spots and routes connecting scenic spots.This paper divides the series optimization of Yuzhong District’s cultural tourist routes into four steps: first,condense the theme of tourist routes into three categories:Bayu mountains and waters,red memory,port opening and city building;second,connect 24 existing cultural tourist routes;third,optimize the route level from the overall level of the tourist route network,including expanding and extending the route to the concentration range of six elements of high vitality tourism;third,optimize the route level 4 、 Screening,association and re organization of historical and cultural heritage sites on the tour line;fifthly,optimizing the visualization scheme.