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RESEARCH ON SKY-VIEW FACTOR OF HIGH-DENSITY URBAN RESIDENTIAL AREAS BASED ON GIS
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摘要: 当前城市空间的高密度化程度越来越高，而城市环境的综合质量却逐渐降低。天空开阔度等相关理论的实践应用对于优化城市视觉环境、改善局地气候具有较大价值，将其引入高密度城市住区空间环境研究依然具有重要意义。结合国内外研究成果，基于地理信息系统软件的三维空间建模、通视分析等功能，优化了城市空间天空开阔度的计算模型。再以城市形态学和建筑设计原理为依据，选取住区空间形态的重要指标并加以分级量化。通过对高密度城市住区进行软件模拟与分析，探究高密度住区天空开阔度与住区空间形态的量化关系，为城市空间环境评价提供合理的定量化分析方法。Abstract: At present, the high-density degree of urban space is getting higher and higher, while the comprehensive quality of urban environment is gradually reduced. The application of the theory of sky-view factor is of great value to optimize the urban visual environment and improve the local climate. Based on the research results at home and abroad, this paper optimized the calculation model of urban space sky-view factor based on the functions of 3D spatial modeling and intervisibility analysis of GIS software. Then based on the urban morphology and architectural design principles, the important indicators of residential space form were selected and quantified. Through the software simulation and analysis of high-density urban residential areas, the paper explored the quantitative relationship between the sky-view factor of high-density residential areas and the spatial form of residential areas, provided a reasonable quantitative analysis method for urban spatial environment evaluation.
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Key words:
- high-density urban residential area /
- sky-view factor /
- GIS /
- 3D modeling /
- spatial form /
- design index
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