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How to query for features in ArcGIS API?
You can query for features in one of these categories or use elements of each in a single query. To query features based on attribute values, specify a SQL where clause in the where property. You can optionally use the text property for a LIKE statement. Setting the outFields of the query will limit the attributes returned from the query.
When to use ArcGIS API for JavaScript 4.0?
Since: ArcGIS API for JavaScript 4.0 This class defines parameters for executing queries for features from a layer or layer view. Once a Query object’s properties are defined, it can then be passed into an executable function, which will return the features in a FeatureSet.
How do you move a vertex in ArcGIS?
Note that once you double-click the feature both vertices and ghost vertices (white) appear. Once the vertices are active you do the following: Drag a vertex to move it to a new location. Right-click to delete a vertex. Drag a ghost vertices to add a new point. Double-click the feature to exit editing and have changes pushed back to the service.
How does the edit toolbar work in ArcGIS?
The edit toolbar is a non-ui component that provides events that simplify the process of moving and editing vertices. To activate the toolbar, pass in a graphic and a constant defining the type of editing you want to perform. The map displays polygons representing fire perimeter boundaries.
How is a spatial query defined in ArcGIS?
For spatial queries, this parameter defines the spatial relationship to query features in the layer or layer view against the input geometry. This parameter can be either standard SQL92 standard or it can use the native SQL of the underlying datastore native. The zero-based index indicating where to begin retrieving features.
Can you query features by geometry or location?
You can query features by geometry/location. While where is not required in this workflow, you can use where as part of the query to get more refined results. To execute a spatial query, you must set the geometry parameter to a Geometry object and specify a valid spatialRelationship .
What happens when true is true in ArcGIS query?
If true then returns distinct values based on the fields specified in the outFields. If “true”, each feature in the FeatureSet includes the geometry. The spatial relationship to be applied on the input geometry while performing the query. Zero-based index indicating where to begin retrieving features.
What are the optional properties of ArcGIS query?
Optional properties include outFields, outSpatialReference, and returnGeometry. Search for samples that use this class. Creates a new Query object used to execute a query on the layer resource identified by the URL. Part or all of a feature from feature class 1 is contained within a feature from feature class 2.