【摘要】 针对基于信息模型的建筑工程应用越来越广泛的现状,通过选定基于ifcXML的建筑几何信息模型表达方式并给予详述,比较了基于文件和数据库这两种途径的查询方法,并针对第二种方法进行了研究。更多还原

【Abstract】 According to the more and more application of building engineering based upon information model expression ways of architectural geometric information model based upon selected ifcXML are elaborated in detail.Information inquiring ways based upon file and database are comparatively analyzed.in addition,further study is made on the later way.更多还原