featureFenceParameters | Web Map Specification

Fence parameters for a Geotrigger that uses feature data from an online feature service, offline geodatabase table, or layer within a feature collection.

Referenced by: Fence Geotrigger

Properties

Property	Details
bufferDistance	An optional buffer distance to apply to fence features in meters.
fenceSource	An object defining the source for a feature layer to be used as fences. Must be one of the following values: Feature Collection Sub-Layer Source Feature Layer Source
filter	An optional filter to reduce the features used for the parameters. See filter properties table.
type	String indicating the fence parameters type. Valid value of this property `features`

filter properties

Property	Details
geometry	A geometry used to filter the features from a feature table. Any features that intersect the area of interest will be used. It can be any of the supported geometry types.
where	A SQL-based where clause that narrows the data to be used. Any features that satisfy the query will be used.

Fence Geotrigger Example

{
  "type": "features",
  "bufferDistance": 50,
  "fenceSource": {
    "layerUrl": "http://sampleserver6.arcgisonline.com/arcgis/rest/services/Recreation/MapServer/0",
    "type": "featureLayer"
  },
  "filter": {
    "where": "facility = 6",
    "geometry": {
      "x": 13871520.850500003,
      "y": 3910293.086000003,
      "spatialReference": {
        "wkid": 102100,
        "latestWkid": 3857
      }
    }
  }
}