Urban Landscape Pattern Of Lanzhou In Ming And Qing Dynasties From The Perspective Of Digital Humanity Research

With the development of modern cities,the unique landscape culture context,landscape construction texture and humanistic image characteristics of traditional Chinese cities are being nibbled away.Chinese traditional urban landscape pattern and Chinese traditional culture complement each other.Studying the urban traditional landscape pattern from the perspective of humanity is helpful to excavate the humanistic image connection in the traditional landscape pattern.With the depiction of the ancients and the perspective of the ancients to view the spatial relationship of the ancient urban landscape,we can further learn and understand the concept of landscape construction contained in the traditional landscape pattern.Taking the landscape of the ancient city of Lanzhou in the Ming and Qing dynasties as the research object,this paper firstly sorted out the natural environmental conditions,historical evolution,transportation development,economic and social development and regional cultural characteristics of the ancient Lanzhou,so as to provide an overall vision for understanding the construction concept of the urban landscape pattern of the ancient Lanzhou.Collect,sort out and analyze the text data of ancient books which recorded the landscape elements of Lanzhou in Ming and Qing dynasties.The collected landscape element information was input into QGIS software for spatial placement,and the text data database was analyzed by ROST CM6 to analyze the word frequency,word frequency,emotion coefficient and text semantic network of different periods and different landscapes,and the data was input into QGIS for visualization processing.By further analyzing and studying the obtained charts,the author summarized the features of element layout,overall landscape image and landscape spatial emotion perception of traditional landscape pattern in Lanzhou,analyzed the formation reasons of these characteristics combined with the development background,and summarized the construction experience of traditional landscape pattern in Lanzhou.The main conclusions are as follows:(1)In the Ming and Qing Dynasties,the urban landscape pattern of Lanzhou showed a layout pattern of "one heart,two belts and multiple nodes".The construction of Buddhist temples is spreading from inside to outside the city.Taoist temple landscape elements are distributed in the natural landscape nodes;Government yamen landscape follows strict etiquette layout;Urban defense landscape elements are mostly built with the terrain.As the main traffic node,they have a certain concentration on the layout of landscape elements.Private garden landscape elements are divided into two categories: royal garden and private garden.Royal garden is mainly arranged in the inner city,which is closely related to the government and yar landscape,while private garden is mainly arranged in the southwest suburbs.The landscape elements of the landscape architecture are mostly arranged in the high place and the extending bank,which has good visual field conditions.The landscape of colleges and universities is evenly distributed throughout the city;In the Qing Dynasty,commercial hall type landscape elements were clustered in Jinta Lane in the southwest of the inner city and Houxian Street in the northwest corner of the inner city.(2)At the macro level,the "water environment" and "mountain environment" centered on the Yellow River and Gaolan Mountains were the stable human image,while the city image gradually changed from the "military town" in the Ming Dynasty to the "traffic environment" in the Qing Dynasty.At the same time,the traditional humanistic landscape image pays particular attention to the relationship between heaven,earth and man.The humanistic image focus of Lanzhou urban landscape in the Ming and Qing dynasties shows the trend of transformation from natural landscape and macroscopic scenery to humanistic landscape and microscopic scenery.In the Ming and Qing dynasties,the overall emotional perception of Lanzhou urban landscape showed that landscape elements on the north bank of the Yellow River were the gathering point of negative emotions,while landscape elements on the south bank of the Yellow River were mainly positive emotions.In the Ming and Qing Dynasties,due to the influence of military,economic,transportation and other factors,the overall landscape emotion coefficient increased,while the negative emotion coefficient on the north bank of the Yellow River decreased significantly.(3)Through the correlation analysis of Lanzhou urban landscape in the Ming and Qing Dynasties,it is found that the distribution of traditional landscape pattern in Lanzhou has the following characteristics: the distribution of landscape elements such as landscape architecture and religious architecture is closely related to the natural environment;The layout of human landscape elements has interrelation;The traditional way of landscape construction gradually changed from "top-down" to "bottom-up".Based on the above research results,this paper attempts to analyze the green space landscape planning from the first to the fourth edition of Lanzhou urban master planning,combined with the current distribution of modern Lanzhou urban landscape elements,and shapes the overall landscape pattern of Lanzhou from the two aspects of Lanzhou urban landscape spatial layout and Lanzhou urban cultural spatial layout.In order to provide a certain reference for the construction of Lanzhou urban landscape pattern in the future.