Abstract: Space division is an important prerequisite for space syntax analysis, and as one of its basic methods —the axial division is widely used in the analysis of complex space. However, in traditional analysis process, the axis’s drawing procedure’s efficiency is low and axis’s generating standard is uncertain. Based on the classic definition of the axial map with constraint, this paper proposes an axis extraction method. Firstly, this method extracts the configuration’s contour information to generate the original point set, then generates the all-line set based on constraints and conditions.  Moreover, it constructs the all-line-map intersect line sets after the category analysis for all-line-map. Finally, by eliminating the redundant lines according to the intersect line sets’ inclusion relations, the axial map can be got. Experimental results show that this method can generate the axial map quickly and efficiently. Compared to the traditional hand drawing procedure, this method ensures the uniqueness of the generate results under the premise that the results shall be in line with people’s cognitive habits. It can also improve the space syntax analysis efficiency for complex space with broad application prospects.

Key words: configuration, axis extraction, axial map, all-line-map, space syntax

摘要： 空间分割是进行空间句法分析的重要前提，而轴线分割作为其基本方法在对复杂空间的空间句法分析中应用广泛。针对传统轴线分析中轴线绘制过程效率低下和生成标准不确定的情况，提出一种基于轴线约束定义的轴线提取方法。首先提取构形的轮廓信息生成原始点集，然后根据约束性的准则和条件生成所有线集，对所有线集进行类别分析后，构建所有线的交线集合，最后根据交线集合的包含关系来对所有线集进行冗余度消减，得到轴线图。实验结果表明，该方法可以快速高效地生成轴线图，与传统的手工绘制相比，在符合认知习惯的情况下保证了结果的唯一性，能够提高复杂空间的空间句法分析的效率，应用前景广泛。

关键词: 构形, 轴线提取, 轴线图, 所有线图, 空间句法