SigmaTer cadastre — Trust points

Updated cadastral information useful for planning, programming and monitoring the development of the regional territory and related economic activities.The data come from the Territory Agency through the interchange system integrated with other regional data related to the cadastral database and of which the Regional Administration has ownership.The stratum contains the trust points of the map sheet, both as geometry (symbol) and as associated text (progressive number of the point), suitable to be used as a reference for each cadastral update topographical survey.本数据集为经更新的地籍信息（cadastral information），可用于规划、统筹与监测区域国土开发及相关经济活动。数据由区域国土管理机构（Territory Agency）提供，通过与其他既关联地籍数据库、又归区域行政当局所有的区域数据相整合的交换系统获取。本数据图层包含图幅基准控制点，其表现形式兼具几何图形（符号）与关联文本（点的累进编号）两类，可作为每次地籍更新地形测量的参考基准。