DataQuery Class |  |
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Allows spatial data to be queried directly. Example queries are to
find Streets that pass through a given
BoundingBox (see QueryStreets(BoundingBox, StreetType))
or to find the nearest feature to a given point (see QueryPolygonsAtPoint(LatLon, String)).
Inheritance HierarchyNamespace: Telogis.GeoBase
Assembly: geobase.net (in geobase.net.dll) Version: 4.99.0.0
SyntaxThe DataQuery type exposes the following members.
ConstructorsMethods| Name | Description | |
|---|---|---|
  | AbortQueryPoi |
Ends or cancels an asynchronous search for points of interest.
|
| AbortQueryPoiAsynchronously |
Ends or cancels an asynchronous search for points of interest.
|
 | BeginQueryPoi |
Begins an asynchronous search for points of interest within a bounding box, starting from the center of
the box and moving outwards.
|
| BulkQueryConstraintsAtLink(QueryConstraintsArgs) |
Bulk request for QueryConstraintsAtLink(QueryConstraintsArgs).
|
| BulkQueryConstraintsAtLink(QueryConstraintsArgs, Int32) |
Bulk request for QueryConstraintsAtLink(QueryConstraintsArgs).
Same as BulkQueryConstraintsAtLink(QueryConstraintsArgs),
but allows for requests to be sent in batches when using a GeoStream.
|
| BulkQueryConstraintsAtLink(QueryConstraintsArgs, Int32, CancellationToken) |
Bulk request for QueryConstraintsAtLink(QueryConstraintsArgs).
Same as BulkQueryConstraintsAtLink(QueryConstraintsArgs),
but allows for requests to be sent in batches when using a GeoStream.
|
| BulkQueryLinks(BoundingBox) |
Bulk requests for QueryLinks(BoundingBox), which
queries the StreetLinks that lie underneath the given
BoundingBox.
|
| BulkQueryLinks(BoundingBox, Int32) |
Bulk requests for QueryLinks(BoundingBox).
Same as BulkQueryLinks(BoundingBox), but
allows for requests to be sent in batches if using a GeoStream.
|
| BulkQueryLinks(BoundingBox, Int32, CancellationToken) |
Bulk requests for QueryLinks(BoundingBox).
Same as BulkQueryLinks(BoundingBox), but
allows for requests to be sent in batches if using a GeoStream.
|
| EndQueryPoi |
Receive the next set of Poi results from an asynchronous Poi query.
|
| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| FindNearbyPopulationCenter(LatLon, Double, UInt32) |
Finds the nearest population center (usually a city) based on distance and population criteria.
|
| FindNearbyPopulationCenter(LatLon, Double, UInt32, Double) |
Finds a nearby population center (usually a city) based on distance and population criteria.
|
| FindNearbyPopulationCenter(LatLon, Double, UInt32, CancellationToken) |
Finds the nearest population center (usually a city) based on distance and population criteria.
|
| FindNearbyPopulationCenter(LatLon, Double, UInt32, Double, CancellationToken) |
Finds a nearby population center (usually a city) based on distance and population criteria.
|
| FindNearestLines(LatLon, String) |
Finds the nearest Line (such as a stream or railway line)
to the location given, in the specified table. See CustomTable
for a list of predefined tables.
|
| FindNearestLines(LatLon, String, Double) |
Finds the nearest Line (such as a stream or railway line)
to the location given, in the specified table. See CustomTable
for a list of predefined tables.
|
| FindNearestLines(LatLon, String, Double, CancellationToken) |
Finds the nearest Line (such as a stream or railway line)
to the location given, in the specified table. See CustomTable
for a list of predefined tables.
|
| FindNearestPoints(LatLon, String) |
Finds the nearest PointFeature (usually a city)
to the location given, in the specified table. See CustomTable
for a list of predefined tables.
|
| FindNearestPoints(LatLon, String, CancellationToken) |
Finds the nearest PointFeature (usually a city)
to the location given, in the specified table. See CustomTable
for a list of predefined tables.
|
| FindNearestPolygons(LatLon, String) |
Gets an array of Polygon objects from a given table that
are near the given location. Polygons are used to represent features such as lakes, golf courses,
parking lots and forests.
|
| FindNearestPolygons(LatLon, String, Double) |
Gets an array of Polygon objects from a given table that
are near the given location. Polygons are used to represent features such as lakes, golf courses,
parking lots and forests.
|
| FindNearestPolygons(LatLon, String, Double, CancellationToken) |
Gets an array of Polygon objects from a given table that
are near the given location. Polygons are used to represent features such as lakes, golf courses,
parking lots and forests.
|
| GetCorrectedLocation(LatLon, String) |
Gets a CorrectedLocation, which is a location that has been corrected to be situated on the
appropriate side of the street, with a suitable distance from the street.
|
| GetCorrectedLocation(LatLon, String, String) |
Gets a CorrectedLocation, which is a location that has been corrected to be situated on the
appropriate side of the street, with a suitable distance from the street.
|
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| QueryConstraintsAtLink(LogicalStreetLink) |
Gets an array of ConstraintLinks that affect the
given LogicalStreetLink. All underlying links are queried
for constraints.
|
| QueryConstraintsAtLink(QueryConstraintsArgs) |
Gets an array of ConstraintLinks that affect the
StreetLink, represented by the given QueryConstraintsArgs.
|
| QueryConstraintsAtLink(StreetLink) |
Gets an array of ConstraintLinks that affect the
given StreetLink.
|
| QueryConstraintsAtLink(LatLon, UInt64) |
Gets an array of ConstraintLinks that affect the
link represented by the given LatLon array points and
UInt64 linkId.
|
| QueryConstraintsAtPoint |
Gets an array of ConstraintLinks that affect
links starting at the given LatLon.
|
| QueryIndex(String, Object) |
Queries a given object for an index. See also CustomTable and CustomColumn.
|
| QueryIndex(String, String, Object) |
Queries a given object for an index. See also CustomTable and CustomColumn.
|
| QueryIndex(String, QueryType, Object) |
Queries a given object for an index. See also CustomTable and CustomColumn.
|
| QueryIndex(String, String, QueryType, Object) |
Queries a given object for an index. See also CustomTable and CustomColumn.
|
| QueryIndex(String, QueryType, Object, Double) |
Queries a given object for an index. See also CustomTable and CustomColumn.
|
| QueryIndex(String, String, QueryType, Object, Double) |
Queries a given object for an index. See also CustomTable and CustomColumn.
|
| QueryIndex(String, String, QueryType, Object, Double, CancellationToken) |
Queries a given object for an index. See also CustomTable and CustomColumn.
|
| QueryLines(BoundingBox, String) |
Gets an array of Lines that
lie underneath the given BoundingBox.
|
| QueryLines(BoundingBox, String, Double) |
Gets an array of Lines that
lie underneath the given BoundingBox.
|
| QueryLines(BoundingBox, String, Double, CancellationToken) |
Gets an array of Lines that
lie underneath the given BoundingBox.
|
| QueryLinks(BoundingBox) |
Gets an array of StreetLinks that
lie underneath the given BoundingBox.
|
| QueryLinks(BoundingBox, CancellationToken) |
Gets an array of StreetLinks that
lie underneath the given BoundingBox.
|
| QueryPoi(BoundingBox) |
Gets all the Points of Interest that lie within the given BoundingBox.
|
| QueryPoi(BoundingBox, PoiType, String) |
Gets all the Points of Interest of a given type that lie underneath the given
BoundingBox, with the ability to filter on a POI's name.
|
| QueryPoi(BoundingBox, PoiType, String, CancellationToken) |
Gets all the Points of Interest of a given type that lie underneath the given
BoundingBox, with the ability to filter on a POI's name.
|
| QueryPoints(BoundingBox, String) |
Finds PointFeature objects that lie within the given
BoundingBox.
|
| QueryPoints(BoundingBox, String, CancellationToken) |
Finds PointFeature objects that lie within the given
BoundingBox.
|
| QueryPolygons(BoundingBox, String) |
Gets an array of Polygons that
lie underneath the given BoundingBox.
|
| QueryPolygons(BoundingBox, String, Double) |
Gets an array of Polygons that
lie underneath the given BoundingBox.
|
| QueryPolygons(BoundingBox, String, Double, CancellationToken) |
Gets an array of Polygons that
lie underneath the given BoundingBox.
|
| QueryPolygonsAtPoint(LatLon, String) | |
| QueryPolygonsAtPoint(LatLon, String, Double) | |
| QueryPolygonsAtPoint(LatLon, String, Double, CancellationToken) | |
| QuerySpeedLimit(LatLon, VehicleSpec) | |
| QuerySpeedLimit(LatLon, Double, VehicleSpec) |
Gets a SpeedLimit, for the specified location (LatLon), heading, and vehicle specifications (VehicleSpec).
|
| QuerySpeedLimit(LatLon, VehicleSpec, DateTime) |
Gets a SpeedLimit, for the specified location (LatLon), vehicle specifications (VehicleSpec), and time of day.
|
| QuerySpeedLimit(LatLon, Double, VehicleSpec, DateTime) |
Gets a SpeedLimit, for the specified location (LatLon), heading, vehicle specifications (VehicleSpec), and time of day.
|
| QuerySpeedLimit(LatLon, Double, VehicleSpec, DateTime, RegionalSpeedLimitProfile) |
Gets a SpeedLimit, for the specified location (LatLon), heading, vehicle specifications (VehicleSpec), time of day, and RegionalSpeedLimitProfile.
|
| QueryStreets(BoundingBox, StreetType) | |
| QueryStreets(BoundingBox, StreetType, CancellationToken) | |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
RemarksRelated articles: Data Query Concept. Alchemy Data Import Tool, Predefined Query Tables.
See Also