The Oracle Spatial and Graph coordinate system support is based on, but is not always identical to, the European Petroleum Survey Group (EPSG) data model and dataset. Three-Dimensional Coordinate Reference Sys
SRID()Return spatial reference system ID for geometryYes ST_Area()Return Polygon or MultiPolygon area ST_AsBinary(),ST_AsWKB()Convert from internal geometry format to WKB ST_AsGeoJSON()Generate GeoJSON object from geometry ST_AsText(),ST_AsWKT()Convert from internal geometry format to WKT ...
The spatial reference system numeric ID. This value is unique. SRS_IDvalues represent the same kind of values as the SRID of geometry values or passed as the SRID argument to spatial functions. SRID 0 (the unitless Cartesian plane) is special. It is always a legal spatial reference system ...
IF NOT EXISTS 指定CREATE SPATIAL REFERENCE IF NOT EXISTS,以查看是否已存在使用该名称的空间参照系。如果不存在,数据库服务器会创建空间参照系。如果确实存在,则不会继续执行任何操作且不会返回错误。 IDENTIFIED BY 空间参照系的 SRID (<srs-id>)。如果空间参照系由具有 <organization-srs-id> 的组织定义,则应...
A feature class's spatial reference can become invalid in the following situations: Data is imported from a non-ArcGIS system. Misuse of the geoprocessing XY Resolution and XY Tolerance environments. Generally, a geoprocessing tool uses the spatial reference from the first input when p...
The spatial reference system name. This value is unique. SRS_ID The spatial reference system numeric ID. This value is unique. SRS_IDvalues represent the same kind of values as the SRID of geometry values or passed as the SRID argument to spatial functions. SRID 0 (the unitless Cartesia...
1. mysql> CREATE OR REPLACE SPATIAL REFERENCE SYSTEM 4326 ...; 2. ERROR 3716 (SR005): Can't modify SRID 4326. There is at 3. least one column depending on it. 1. 2. 3. 要确定哪些列使用 SRID,请使用以下查询,将 4326 替换为要创建的 SRID 值: ...
The spatial reference identification system is defined by the European Petroleum Survey Group (EPSG) standard, which is a set of standards developed for cartography, surveying, and geodetic data storage. This standard is owned by the Oil and Gas Producers (OGP) Surveying and Positioning Committee....
Upgrade-compatible Commands Reference spatial-reuse disable Function The spatial-reuse disable command disables the spatial reuse (SR) function. The undo spatial-reuse disable command enables the SR function. By default, the SR function is enabled. The spatial reuse (SR) function is not supported ...
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