Execute 示例

示例

Supermap iServer WPS1.0.0 服务封装了 iServer 自带的一系列分析功能（请参考WPS 概述）。用户可通过 Supermap iServer 自带的 WPS 服务执行这些分析操作，得到分析后的结果。

本示例对 WPS 服务的 Execute 操作支持的分析功能，进行 Execute 操作，执行 POST 请求，如下所示：

叠加分析功能 Clip

对 World.Countries.188 和 World.Ocean.1 两个相交面做裁剪分析，POST 请求地址：http://localhost:8090/iserver/services/spatialanalyst-changchun/wps100 请求体如下：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<wps:Execute service="WPS" version="1.0.0"

xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1"

xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.opengis.net/wps/1.0.0

../wpsExecute_request.xsd">

<ows:Identifier>Clip</ows:Identifier>

<wps:DataInputs>

<wps:Input>

<ows:Identifier>sourceGeometry</ows:Identifier>

<ows:Title>sourceGeometry</ows:Title>

<wps:Reference

xlink:href="http://localhost:8090/iserver/services/data-world/wfs100?SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&TYPENAME=World:Countries&FEATUREID=World.Countries.188&MAXFEATURES=1" />

</wps:Input>

<wps:Input>

<ows:Identifier>operatePolygon</ows:Identifier>

<ows:Title>operatePolygon</ows:Title>

<wps:Reference

xlink:href="http://localhost:8090/iserver/services/data-world/wfs100?SERVICE=WFS&VERSION=1.0.0&REQUEST=GetFeature&TYPENAME=World:Ocean&FEATUREID=World.Ocean.1&MAXFEATURES=1" />

</wps:Input>

<wps:Input>

<ows:Identifier>outputformat</ows:Identifier>

<ows:Title>format.</ows:Title>

<wps:Data>

<wps:LiteralData>gml212</wps:LiteralData>

</wps:Data>

</wps:Input>

</wps:DataInputs>

<wps:ResponseForm>

<wps:ResponseDocument storeExecuteResponse="true">

<wps:Output asReference="true">

<ows:Identifier>ClippedPolygon</ows:Identifier>

<ows:Title>Clip from polygon.</ows:Title>

<ows:Abstract>Clip polygon by other polygon. Accepts the polygon as

GML and provides GML output for the clip feature.

</ows:Abstract>

</wps:Output>

</wps:ResponseDocument>

</wps:ResponseForm>

</wps:Execute>

响应结果如下：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <wps:ExecuteResponse xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:wps="http://www.opengis.net/wps/1.0.0" serviceInstance="http://localhost:8090/iserver/services/spatialanalyst-changchun/wps100" statusLocation="http://foo.bar/buffered_polygon.xml" service="WPS" version="1.0.0" xml:lang="en-US"> <wps:Process wps:processVersion="1"> <ows:Identifier>Clip</ows:Identifier> <ows:Title>Clip from polygon</ows:Title> <ows:Abstract>Clip geometry by other polygon.</ows:Abstract> <wps:Profile>SuperMap:WPS:Clip</wps:Profile> </wps:Process> <wps:Status creationTime="2013-01-18T09:51:06.312+08:00"> <wps:ProcessSucceeded></wps:ProcessSucceeded> </wps:Status> <wps:ProcessOutputs> <wps:Output> <ows:Identifier>ClippedPolygon</ows:Identifier> <ows:Title>Clipped Polygon</ows:Title> <ows:Abstract>GML/JSON stream describing the clipped polygon feature.</ows:Abstract> <wps:Reference href="http://localhost:8090/iserver/services/spatialanalyst-changchun/wps100?request=getxml&file=ClippedPolygon.xml" mimeType="text/xml" encoding="UTF-8" schema="http://localhost:8090/iserver/services/spatialanalyst-changchun/wps100?request=getschema&file=wps,1.0.0,Polygon.xsd"/> </wps:Output> </wps:ProcessOutputs> </wps:ExecuteResponse>

表面分析功能 ExtractIsoline

对点数据集 Company@Changchun 进行提取等值线操作，POST 地址：http://localhost:8090/iserver/services/spatialanalyst-changchun/wps100 请求体为：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<wps:Execute service="WPS" version="1.0.0"

xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1"

xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.opengis.net/wps/1.0.0

../wpsExecute_request.xsd">

<ows:Identifier>ExtractIsoline</ows:Identifier>

<wps:DataInputs>

<wps:Input>

<ows:Identifier>pointDataset</ows:Identifier>

<ows:Title>pointDataset</ows:Title>

<wps:Data>

<wps:LiteralData>Company@Changchun</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>zValueField</ows:Identifier>

<ows:Title>zValueField.</ows:Title>

<wps:Data>

<wps:LiteralData>SMID</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>Resolution</ows:Identifier>

<ows:Title>Distance which people will walk to get to a playground.

</ows:Title>

<wps:Data>

<wps:LiteralData>20</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>Interval</ows:Identifier>

<ows:Title>Interval.</ows:Title>

<wps:Data>

<wps:LiteralData>50</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>ResampleTolerance</ows:Identifier>

<ows:Title>ResampleTolerance.</ows:Title>

<wps:Data>

<wps:LiteralData>0.5</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>SmoothMethod</ows:Identifier>

<ows:Title>SmoothMethod.</ows:Title>

<wps:Data>

<wps:LiteralData>POLISH</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>Smoothness</ows:Identifier>

<ows:Title>Smoothness.</ows:Title>

<wps:Data>

<wps:LiteralData>3</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>TerrainInterpolateType</ows:Identifier>

<ows:Title>TerrainInterpolateType.</ows:Title>

<wps:Data>

<wps:LiteralData>IDW</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>outputformat</ows:Identifier>

<ows:Title>format.</ows:Title>

<wps:Data>

<wps:LiteralData>gml212</wps:LiteralData>

</wps:Data>

</wps:Input>

</wps:DataInputs>

<wps:ResponseForm>

<wps:ResponseDocument storeExecuteResponse="true">

<wps:Output asReference="false">

<ows:Identifier>ExtractedIsoregion</ows:Identifier>

<ows:Title>ExtractedIsoregion.</ows:Title>

<ows:Abstract>ExtractedIsoregion.</ows:Abstract>

</wps:Output>

</wps:ResponseDocument>

</wps:ResponseForm>

</wps:Execute>

响应结果如下：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <wps:ExecuteResponse xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:wps="http://www.opengis.net/wps/1.0.0" serviceInstance="http://lcoalhost:8090/iserver/services/spatialanalyst-changchun/wps100" statusLocation="http://foo.bar/buffered_polygon.xml" service="WPS" version="1.0.0" xml:lang="en-US"> <wps:Process wps:processVersion="1"> <ows:Identifier>ExtractIsoline</ows:Identifier> <ows:Title>Extract contours from the points.</ows:Title> <ows:Abstract>Extract contours from the points. output for the contours dataset.</ows:Abstract> <wps:Profile>SuperMap:WPS:ExtractIsoline</wps:Profile> </wps:Process> <wps:Status creationTime="2013-01-22T15:32:18.031+08:00"> <wps:ProcessSucceeded></wps:ProcessSucceeded> </wps:Status> <wps:ProcessOutputs> <wps:Output> <ows:Identifier>ExtractedIsoline</ows:Identifier> <ows:Title>Extracted Isoline</ows:Title> <ows:Abstract>GML/JSON stream describing the extracted Isoline.</ows:Abstract> <wps:Reference href="http://localhost:8090/iserver/services/spatialanalyst- changchun/wps100?request=getxml&file=ExtractedIsoline.xml" mimeType="text/xml" encoding="UTF-8" schema="http://localhost:8090/iserver/services/spatialanalyst-changchun/wps100? request=getschema&file=wps,1.0.0,Polygon.xsd"/> </wps:Output> </wps:ProcessOutputs> </wps:ExecuteResponse>

交通换乘分析 StopListByKeyWord

通过关键字”长春“获取站点信息，对 http://localhost:8090/iserver/services/traffictransferanalyst-sample/wps100 执行 POST 请求，

请求体为：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<wps:Execute service="WPS" version="1.0.0"

xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1"

xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.opengis.net/wps/1.0.0../wpsExecute_request.xsd">

<ows:Identifier>StopListByKeyWord</ows:Identifier>

<wps:DataInputs>

<wps:Input>

<ows:Identifier>keyWord</ows:Identifier>

<ows:Title></ows:Title>

<wps:Data>

<wps:LiteralData>%e9%95%bf%e6%98%a5</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>returnPosition</ows:Identifier>

<ows:Title></ows:Title>

<wps:Data>

<wps:LiteralData>true</wps:LiteralData>

</wps:Data>

</wps:Input>

</wps:DataInputs>

<wps:ResponseForm>

<wps:ResponseDocument storeExecuteResponse="true">

<wps:Output asReference="false">

<ows:Identifier>StopListByKeyWord</ows:Identifier>

<ows:Title>StopListByKeyWord.</ows:Title>

<ows:Abstract>StopListByKeyWord.</ows:Abstract>

</wps:Output>

</wps:ResponseDocument>

</wps:ResponseForm>

</wps:Execute>

该”%e9%95%bf%e6%98%a5“是关键字”长春“通过 URL 编码后得到的。

响应结果如下：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <wps:ExecuteResponse xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:wps="http://www.opengis.net/wps/1.0.0" serviceInstance="http://lcoalhost:8090/iserver/services/traffictransferanalyst-sample/wps100" statusLocation="http://foo.bar/buffered_polygon.xml" service="WPS" version="1.0.0" xml:lang="en-US"> <wps:Process wps:processVersion="1"> <ows:Identifier>StopListByKeyWord</ows:Identifier> <ows:Title>Find stops by keyWord.</ows:Title> <ows:Abstract>Find stops by keyWord,and output the results in json.</ows:Abstract> <wps:Profile>SuperMap:WPS:StopListByKeyWord</wps:Profile> </wps:Process> <wps:Status> <wps:ProcessSucceeded></wps:ProcessSucceeded> </wps:Status> <wps:ProcessOutputs> <wps:Output> <ows:Identifier>FindedStopsByKeyWord</ows:Identifier> <ows:Title>Finded stops by keyWord</ows:Title> <ows:Abstract>JSON stream describing the finded stops by keyWord.</ows:Abstract> <wps:Reference href="http://lcoalhost:8090/iserver/services/traffictransferanalyst- sample/wps100?request=getxml&file=FindedStopsByKeyWord.json" mimeType="text/xml" encoding="UTF-8" schema="http://lcoalhost:8090/iserver/services/traffictransferanalyst-sample/wps100? request=getschema&file=wps,1.0.0,Polygon.xsd"/> </wps:Output> </wps:ProcessOutputs> </wps:ExecuteResponse>

交通网络分析 Path

通过对需要经过的网络结点 ID 数组[ 1,12]，获取最佳路径，对 http://localhost:8090/iserver/services/transportationanalyst-sample/wps100 执行 POST 请求，请求体为：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<wps:Execute service="WPS" version="1.0.0"

xmlns:wps="http://www.opengis.net/wps/1.0.0" xmlns:ows="http://www.opengis.net/ows/1.1"

xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://www.opengis.net/wps/1.0.0

../wpsExecute_request.xsd">

<ows:Identifier>Path</ows:Identifier>

<wps:DataInputs>

<wps:Input>

<ows:Identifier>points</ows:Identifier>

<ows:Title></ows:Title>

<wps:Data>

<wps:LiteralData></wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>nodeIDs</ows:Identifier>

<ows:Title>nodeIDs</ows:Title>

<wps:Data>

<wps:LiteralData>1,12</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>hasLeastEdgeCount</ows:Identifier>

<ows:Title></ows:Title>

<wps:Data>

<wps:LiteralData>false</wps:LiteralData>

</wps:Data>

</wps:Input>

<wps:Input>

<ows:Identifier>networkName</ows:Identifier>

<ows:Title>networkName</ows:Title>

<wps:Data>

<wps:LiteralData>RoadNet@Changchun</wps:LiteralData>

</wps:Data>

</wps:Input>

</wps:DataInputs>

<wps:ResponseForm>

<wps:ResponseDocument storeExecuteResponse="true">

<wps:Output asReference="false">

<ows:Identifier>FindedPath</ows:Identifier>

<ows:Title>FindedPath.</ows:Title>

<ows:Abstract>JSON stream describing the finded Path.</ows:Abstract>

</wps:Output>

</wps:ResponseDocument>

</wps:ResponseForm>

</wps:Execute>

响应结果如下：

<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <wps:ExecuteResponse xmlns:ows="http://www.opengis.net/ows/1.1" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:wps="http://www.opengis.net/wps/1.0.0" serviceInstance="http://lcalhost:8090/iserver/services/transportationanalyst-sample/wps100" statusLocation="http://foo.bar/buffered_polygon.xml" service="WPS" version="1.0.0" xml:lang="en-US"> <wps:Process wps:processVersion="1"> <ows:Identifier>Path</ows:Identifier> <ows:Title>Find path.</ows:Title> <ows:Abstract>Find path,and output the results in json.</ows:Abstract> <wps:Profile>SuperMap:WPS:Path</wps:Profile> </wps:Process> <wps:Status> <wps:ProcessSucceeded></wps:ProcessSucceeded> </wps:Status> <wps:ProcessOutputs> <wps:Output> <ows:Identifier>FindedPath</ows:Identifier> <ows:Title>Finded Path</ows:Title> <ows:Abstract>JSON stream describing the finded Path.</ows:Abstract> <wps:Reference href="http://lcalhost:8090/iserver/services/transportationanalyst- sample/wps100?request=getxml&file=FindedPath.json" mimeType="text/xml" encoding="UTF-8" schema="http://lcalhost:8090/iserver/services/transportationanalyst-sample/wps100? request=getschema&file=wps,1.0.0,Polygon.xsd"/> </wps:Output> </wps:ProcessOutputs> </wps:ExecuteResponse>

说明：以上请求体中，节点<wps:ResponseDocument storeExecuteResponse="true">，故响应文档中的<wps:Output>节点下的 <wps:Reference>节点记录了分析结果的 url 地址，例如在叠加分析功能 Clip 的响应中，返回了分析结果的 RUL 地址，在浏览器中访问该地址：http://localhost:8090/iserver/services/spatialanalyst-changchun/wps100?request=getxml&file=ClippedPolygon.xml，即可得到 Clip 分析后的结果，该结果也存在于“%SuperMap iServer_HOME%\webapps\iserver\output\xml"文件夹下，若节点<wps:ResponseDocument storeExecuteResponse="fasle">，post 请求后，直接反回分析得到的结果，并不存储该结果文件。