buffer接口
URL: |
http:// <ProcessingServer-URL> / buffer |
父资源: |
ProcessingServer |
[ 服务说明 ]
buffer接口提供计算对象缓冲区的功能，接收点，线，面等几何对象，返回缓冲分析后的对象。
[ 参数说明 ]
| 参数 | 参数说明 |
|---|---|
| r |
参数作用：指定缓冲半径的大小 |
| geo |
参数作用：线，面等几何对象的geojson结构描述 参数说明： { "type": "LineString"|"Point"|"Polygon", "coordinates":[<geometry>] } 参数示例： { "type": "LineString", "coordinates": [ [ 105.475843, 39.002044 ], [ 99.938734, 35.222747 ], [ 111.803968, 32.058685 ], [ 105.475843, 39.002044 ] ] } |
| format |
参数作用：指定返回结果的格式 取值范围：html | json，该参数默认值为json |
| callback |
参数作用：Ajax客户端使用JSONP方式进行跨域处理时所指定的回调函数名称 参数说明：可选参数，该参数仅在format参数值为json时有效 |
[ 示例 ]
URL地址示例：
http://127.0.0.1:8099/newmap/rest/services/utilities/Geometry/ProcessingServer/buffer?r=10&geo={ "type": "LineString", "coordinates": [ [ 105.475843, 39.002044 ], [ 99.938734, 35.222747 ], [ 111.803968, 32.058685 ], [ 105.475843, 39.002044 ] ] }&format=json
[ 返回结果 ]
buffer操作成功时的返回结果示例 ：
{
"type":"Polygon",
"coordinates":[ [ [ 99.909505, 47.307389 ], [ 99.978935, 47.355726 ], [ 100.129470, 47.449228 ], [ 100.278402, 47.545264 ], [ 100.351802, 47.587326 ], [ 100.423666, 47.631963 ], [ 100.578888, 47.717459 ], [ 100.732642, 47.805569 ], [ 100.808143, 47.843732 ], [ 100.882245, 47.884547 ], [ 101.041729, 47.961802 ], [ 101.199883, 48.041744 ], [ 101.277278, 48.075903 ], [ 101.353414, 48.112784 ], [ 101.516723, 48.181586 ], [ 101.678845, 48.253141 ]]]
}
"type":"Polygon",
"coordinates":[ [ [ 99.909505, 47.307389 ], [ 99.978935, 47.355726 ], [ 100.129470, 47.449228 ], [ 100.278402, 47.545264 ], [ 100.351802, 47.587326 ], [ 100.423666, 47.631963 ], [ 100.578888, 47.717459 ], [ 100.732642, 47.805569 ], [ 100.808143, 47.843732 ], [ 100.882245, 47.884547 ], [ 101.041729, 47.961802 ], [ 101.199883, 48.041744 ], [ 101.277278, 48.075903 ], [ 101.353414, 48.112784 ], [ 101.516723, 48.181586 ], [ 101.678845, 48.253141 ]]]
}
buffer操作失败时的返回结果示例 ：
{
"error":"无法解析传入的Geometry"
}
"error":"无法解析传入的Geometry"
}