OGC 全称 Open Geospatial Consortium,是一个非盈利的、国际化的、自愿协商的标准化组织,它的主要目的就是制定与空间信息、基于位置服务相关的标准
DescribeFeatureType
返回WFS服务支持的字段类型的描述
入参
参数是否必须示例描述SERVICE是WFS服务类型REQUEST是DescribeFeatureType方法名VERSION是1.0.0,1.1.0版本号TYPENAMES否workspace:layer工作空间:图层名OUTPUTFORMAT否text/xml,subtype=gml/3.1.1,application/json输出格式出参
示例- {
- "elementFormDefault": "qualified",
- "targetNamespace": "topp",//命名空间
- "targetPrefix": "topp",
- "featureTypes": [
- {
- "typeName": "state",//图层名
- "properties": [
- {
- "name": "geom",//字段名
- "maxOccurs": 1,
- "minOccurs": 0,
- "nillable": true,
- "type": "gml:MultiPolygon",
- "localType": "MultiPolygon"//字段类型
- },
- {
- "name": "objectid",
- "maxOccurs": 1,
- "minOccurs": 0,
- "nillable": true,
- "type": "xsd:int",
- "localType": "int"
- },
- {
- "name": "name",
- "maxOccurs": 1,
- "minOccurs": 0,
- "nillable": true,
- "type": "xsd:string",
- "localType": "string"
- }
- ]
- }
- ]
- }
复制代码 GetFeature
返回指定图层中选择的数据,包括几何图形和属性值
入参
参数是否必须示例描述SERVICE是WFS服务类型REQUEST是GetFeature方法名VERSION是1.1.0,2.0.0版本号TYPENAME是workspace:layer工作空间:图层名OUTPUTFORMAT否application/json输出格式PropertyName否field指定字段sortBy否field指定字段,+A升序,+D降序MAXFEATURES否50最大数量FEATUREID否featureIdCQL_FILTER否INTERSECTS(the_geom,POINT(-74.817265 40.5296504))cql过滤出参
示例- {
- "type": "FeatureCollection",
- "features": [
- {
- "type": "Feature",
- "id": "fid.1",
- "geometry": {// geometry
- "type": "MultiPolygon",
- "coordinates": [
- [
- [
- [
- 123.49846,
- 25.74109
- ],
- [
- 123.49878,
- 25.74333
- ],
- [
- 123.48812,
- 25.74812
- ],
- [
- 123.47404,
- 25.74846
- ],
- [
- 123.46312,
- 25.74766
- ],
- [
- 123.43935,
- 25.7406
- ],
- [
- 123.43155,
- 25.72788
- ],
- [
- 123.45451,
- 25.72004
- ],
- [
- 123.48675,
- 25.7197
- ],
- [
- 123.49728,
- 25.72717
- ],
- [
- 123.49846,
- 25.74109
- ]
- ]
- ]
- ]
- },
- "geometry_name": "the_geom", // geometry字段名
- "properties": { //图层结构化数据
- "SmUserID": 0,
- "SmID": 679,
- "SmGeometrySize": 188,
- "SmGeoPosition": 293879664,
- "SmArea": 1.6862486784110367E7,
- "SQMI": null,
- "SQKM": null,
- "POP_1994": null,
- "ColorID": 1,
- "COUNTRY": "",
- "CONTINENT": "",
- "COLOR_MAP": "1",
- "CAPITAL": ""
- }
- }
- ],
- "totalFeatures": 1889,//总条数
- "numberMatched": 1889,//命中条数
- "numberReturned": 1,//返回条数
- "timeStamp": "2023-04-25T07:33:34.281Z",
- "crs": {//坐标系
- "type": "name",
- "properties": {
- "name": "urn:ogc:def:crs:EPSG::4490"
- }
- }
- }
复制代码 GetCapabilities
生成一个元数据文档,描述提供的WFS服务以及有效的WFS操作和参数。
有关WMS提供的操作、服务和数据的元数据。
参数是否必须示例描述SERVICE是WFS/WMS/WCS服务REQUEST是GetCapabilities方法VERSIONS否1.0.0,1.1.0,1.1.1,1.3.0,2.0.0版本SECTIONS否Contents/FeatureTypeList获取部分NAMESPACE否text/xml输出格式WMS示例WFS示例WMTS示例免责声明:如果侵犯了您的权益,请联系站长,我们会及时删除侵权内容,谢谢合作! |