面向属性的参数化建模在Revit API中的应用
2016-10-29贾盈平李春祥
贾盈平 李春祥



摘要: 为改进目前构件级建模过程存在的效率低问题,提出面向属性的参数化建模过程.此方法使建模师不需要重复传统建模操作,通过设置模型属性参数就可以实现相关数据的统计和计算从而快速建模.以球面网格结构为例,将参数化建模思想融入到Revit 二次开发技术中,借用VS开发工具实现三维模型的快速生成.在操作时,用户只需通过用户界面输入矢高、跨度和环数等结构参数即可以完成模型的快速建立.通过此程序,还可以实现肋环形和施威德勒型2种类型的选择,实时监测设置的参数是否满足规范要求.
关键词: 建筑信息模型; 参数化建模; Revit API; 网格结构; 快速建模
中图分类号: TU391文献标志码: B
Abstract: To improve the low efficiency problem of the component modeling process, an attribute-oriented parametrization modeling process is proposed. By the method, the model architect do not need to repeat the traditional steps. By setting some property arguments, all the related data can be calculated to realize the rapid modeling. Taking a spherical grid structure as the example, combining the parametrization modeling with the secondary development in Revit, the rapid creation of a 3D model is implemented by the VS development tools. During the model generation, the user only needs to input some parameters through user interface, such as vector height, span and ring number. By the program, the structure types can be chosen between the ribbed type and the Schwedler type. It can also monitor whether the parameters meet the requirements of the specification at real-time.
Key words: building information model; parametrization modeling; Revit API; grid structure; rapid modeling
0引言
建筑信息模型(Building Information Modeling,BIM)技术是计算机辅助设计与数字技术的结合,其使得建筑模型从独立的二维CAD图纸转化为带有参数信息的三维模型.虽然BIM设计具有数字建模、数据库共享等优点,然而设计师创建一个模型结构时,必须对墙、梁、板等构件级依次单独建模,需要反复进行剪切、拉伸等低级操作,影响模型创建质量与效率.高效高质量地完成BIM模型的创建,是BIM技术应用中的重要环节之一.
本文阐述空间球面网格结构BIM模型创建过程中的问题,结合Revit二次开发技术和参数化建模思想,研发快速建模程序,实现可想即可现的创作过程.
1二次开发背景
1.1BIM技术
BIM是现今建筑行业信息化发展中备受关注的概念,包含建筑物所有信息.BIM使……
