面向三维界址编码的产权体无损降维表达方法

Lossless dimensionality reduction representation method of product right body for 3D address coding

针对三维地籍产权体证书制作数据存储复杂、模型识别度不高以及界址点列表无法清晰准确表达三维产权体模型等问题,该文以部分规则的三维产权体模型为研究对象,以图论及拓扑学为基础,提出了针对不同几何特征类型的产权体模型的无损降维表达方法,实现了三维产权体模型与其界址点列表之间的唯一映射。运用该方法对三种典型的产权体模型进行了实验。结果表明,所提方法实现了对模型的降维存储与无损还原,研究结果能够有效应用于三维产权证书中对于产权体模型的描述。

Aiming at the problems of complex data storage,low model recognition and inability to clearly and accurately express the 3D property rights model in the list of boundary points for the production of 3D cadastre property rights certificates,the partly regular 3D property rights model was taken as the research object in this paper,and a non-destructive dimensionality reduction expression method for property rights models with different geometric feature types was proposed based on graph theory and topology,also the unique mapping between the 3D property rights model and its boundary points lists was realized.Experiments were carried out on three typical property rights body models.The results showed that the proposed method realized the dimensionality reduction storage and non-destructive restoration of the model,and the research results could be effectively applied to the description of the property rights body model in the 3D property right certificate.