[1]张吉松,张嘉文.铁路IFC实体结构化解析与层级化JSON生成方法[J].高速铁路技术,2025,16(06):49.[doi:10.12098/j.issn.1674-8247.2025.06.008]
　ZHANG Jisong,ZHANG Jiawen.Method for Structured Parsing and Hierarchical JSON Generation of Railway IFC Entities[J].HIGH SPEED RAILWAY TECHNOLOGY,2025,16(06):49.[doi:10.12098/j.issn.1674-8247.2025.06.008]
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铁路IFC实体结构化解析与层级化JSON生成方法()

《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
16卷
期数:
2025年06期
页码:
49
栏目:
勘察设计
出版日期:
2025-12-30

文章信息/Info

Title:
Method for Structured Parsing and Hierarchical JSON Generation of Railway IFC Entities
文章编号:
1674-8247(2025)06-0049-05
作者:
张吉松; 张嘉文
(大连交通大学, 大连 116028)
Author(s):
ZHANG Jisong;  ZHANG Jiawen
(Dalian Jiaotong University, Dalian 116028, China)
关键词:
BIM;  铁路;  IFC;  格式;  映射;  JSON
Keywords:
BIM;  railway;  IFC;  format;  mapping;  JSON
分类号:
U25
DOI:
10.12098/j.issn.1674-8247.2025.06.008
文献标志码:
A
摘要:
针对铁路IFC文件跨平台轻量化格式转换问题,提出一种规则引擎驱动的递归解析与动态绑定方法。首先,通过构建几何-语义-拓扑三级层次映射机制,深入解析IFC4x3标准扩展的铁路专用实体(如IfcAlignment、IfcRail)。然后,设计基于规则引擎的递归解析算法,实现对IFC文件的逐层拆解,并将其元素精准映射为树形JSON节点。最终,开发相应的Python转换工具进行验证。结果表明,该方法通过动态绑定铁路专用IfcEntity与JSON Schema,能够自动生成保留实体-关系-属性的层级化JSON结构。研究成果为提高铁路 BIM 模型的轻量化与互操作性提供了一种新方法。
Abstract:
To address the issue of lightweight cross-platform format conversion for railway IFC files, a rule-engine-driven recursive parsing and dynamic binding method was proposed. Firstly, the railway-specific entities extended under the IFC4x3 standard(such as IfcAlignment and IfcRail)were analyzed through the construction of a three-tier hierarchical mapping mechanism encompassing geometry, semantics, and topology. Then, a rule-engine-based recursive parsing algorithm was designed to achieve layer-by-layer decomposition of IFC files and map their elements into tree-structured JSON nodes. Finally, a corresponding Python conversion tool was developed for validation. The results demonstrate that by dynamically binding railway-specific IfcEntities with JSON Schema, this method can automatically generate a hierarchical JSON structure that preserves entity-relationship-attribute information. The research outcome provides a novel approach to improving the lightweight processing and interoperability of railway BIM models.

参考文献/References:

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[12] JOHANNES DIMYADI, WAWAN SOLIHIN, CHARLES EASTMAN, et al. Integrating the BIM Rule Language into Compliant Design Audit Processes[C/OL]//Proceedings of the 33rd CIB W78 Conference 2016, Brisbane, Australia. [2025-06-15]. https://itc.scix.net/pdfs/w78-2016-paper-033.pdf.
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备注/Memo

备注/Memo:
收稿日期:2025-07-06
作者简介:张吉松(1983-),男,副教授。
基金项目:辽宁省教育厅面上项目(LJKMZ20220868)
更新日期/Last Update: 2025-12-30