中文摘要：

室内地图是室内空间信息的载体,是实现室内位置服务的基础。本文在当前研究和应用的基础上,从室内空间整体轮廓、单楼层和多楼层叠加3个层次对室内空间轮廓、室内通道要素、室内空间单元的表达方法进行了研究与实践,并以广州白云万达广场为例,基于Web前端3D引擎threejs实现了三维室内地图的表达和应用。通过该方法,用户可以对室内空间从整体到局部进行全面了解,满足室内地图应用和导航的需求,从而提高人们对室内空间的认知效果。

英文摘要：

Indoor maps are the carrier of indoor space information, and the basis for realization of the indoor location service. This paper designed and practiced the expression method of indoor space outline, indoor space channel elements and space unit, from overall indoor space outline, single floor and multi floor three levels. Taking Guangzhou Baiyun Wanda Plaza as an example, the expression and application of 3D indoor map were implemented based on threejs which is a web 3D engine. Through this method, users can comprehensive understand indoor space from the whole to local. This method can satisfy the demand of indoor maps application and navigation and improve the effects of people＇s perception of indoor space.