Official survey data City of Zurich Year-end 2010

The official survey (AV) provides geometric data on land ownership and is the basis for many other geographical information and applications in business, administration and private life.
Attention: This is the year-end state of the AV data in 2010!

**Purpose**: Official surveys within the meaning of Article 950 of the Civil Code are those surveys approved by the canton and recognised by the Federation for the installation and maintenance of the land register. The official survey data are georeference data used by federal, cantonal and municipal authorities as well as by business, science and third parties to obtain geoinformation. On the GeoServer, table structures optimised for the city-internal users are set up.

官方地籍调查（AV）提供土地权属几何数据，是商业、行政及私人生活中诸多其他地理信息与应用的基础。
注意：此为2010年年末的AV数据状态！

**用途**：符合《民法典》第950条定义的官方调查，是指经州批准并获联邦认可、用于建立和维护土地登记簿的调查。官方调查数据为地理参考数据，可供联邦、州及市级主管部门，以及企业、科研机构与第三方获取地理信息使用。GeoServer平台上已针对城市内部用户搭建优化后的表格结构。