iclient for js 如何使用面数据集裁剪等值线, clipParam这样设置不行
surfaceAnalystParameters = new SuperMap.DatasetSurfaceAnalystParameters({
extractParameter: new SuperMap.SurfaceAnalystParametersSetting({
clipParam: new SuperMap.ClipParameter({
clipDatasetName:"ChinaRegion",
clipDatasourceName:"China",
isClipInRegion:true,
isExactClip:true
}),
datumValue: 1,
interval: 1,
resampleTolerance: 0,
smoothMethod: SuperMap.SmoothMethod.BSPLINE,
smoothness: 2
}),