FeatureQuery Class
Specifies additional query parameters in feature queries.
Namespace: Carmenta.Engine
NuGet/Assembly: Carmenta.Engine.5.16.2.nupkg (in the CECore assembly)
NuGet/Assembly: Carmenta.Engine.5.16.2.nupkg (in the CECore assembly)
Thread safety: Members defined in this type are, in general, not thread-safe.
Syntax
public class FeatureQuery : EngineObjectRemarks
This class is used to specify additional query parameters in calls to DataSet.GetFeatures, Operator.GetFeatures and Layer.GetFeatures.
Inheritance Hierarchy
System.Object (not available in C#)
EngineObject
FeatureQuery
Platforms
Windows, Linux, Android
FeatureQuery Members
The FeatureQuery type has the following members.
Constructors
| Name | Description |
|---|---|
| FeatureQuery | Initializes a new instance of the FeatureQuery class. |
Properties
| Name | Description |
|---|---|
| Area | Gets or sets the geographic area a Feature of the feature query. |
| Condition | Gets or sets a feature condition for the query. |
| Ids | Gets the collection that contains the identities of the features the query should return. |
| IsDisposed | Gets a value that tells whether the current FeatureQuery has been disposed. Inherited from EngineObject |
| NativeHandle | Gets the native Carmenta Engine kernel object the current FeatureQuery represents. Inherited from EngineObject |
| Resolution | Gets or sets the size of a pixel, in the unit of the Crs of the feature request. |
| SearchCount | Gets or sets the maximum number of features that can be returned from a dataset when a search text has been specified. |
| SearchText | Gets or sets a search text to use in the query. |
| SunPosition | Gets or sets the position of the sun for the query. |
| UpdateAttributes | Gets the update attributes of the query. |
Methods
| Name | Description |
|---|---|
| Clone | Creates a copy of an object. Inherited from EngineObject |
| Dispose | Releases the reference to the native Carmenta Engine kernel instance the EngineObject represents. Inherited from EngineObject |
| Equals | Determines whether this instance is equal to another. Inherited from EngineObject |
| SetResolutionFromNominalScale | Sets the Resolution property from an inverted scale. |