ITGIS_DynamicAggregatorAbstract interface

Abstract base class for dynamic aggregation of vector-layer shapes during drawing, such as clustering or binning.

Available also on: Delphi | .NET | Java | ActiveX | Python.

Syntax

// C#
public interface ITGIS_DynamicAggregatorAbstract: ITBaseObject
{
}

' VisualBasic
Public Interface ITGIS_DynamicAggregatorAbstract
  Implements ITBaseObject
End Class

// Oxygene
type
  ITGIS_DynamicAggregatorAbstract = public interface( ITBaseObject )
  end;

Inherited Overrides Protected

Name	Visibility	Description
AddShape	public	Add an aggregated output shape with optional attribute context for the current aggregation cycle.
AddShape_2	public	Add an aggregated output shape together with an aggregate value and the source shape UIDs it represents.
AttachDelphiObj	public	Only for internal use of TatukGIS. _{(Inherited from ITBaseObject)}
Copy	public	Create a copy of the aggregator, optionally bound to another layer.
Create_	public	Create a dynamic aggregator bound to a vector layer.
DelphiObj	public	Only for internal use of TatukGIS. _{(Inherited from ITBaseObject)}
HideShape	public	Mark a source shape as hidden for the current aggregation cycle.
Prepare	public	Generate aggregated shapes for the visible extent using the current aggregation algorithm.
SetUp	public	Initialize aggregator state after assignment to the layer's DynamicAggregator property.

Inherited Protected

Name	Visibility	Description
Caption	public	User-friendly display caption for the aggregator.
IsPreparing	public	True while the aggregator is executing Prepare for the current draw cycle.
Layer	public	Reference to the parent vector layer that hosts this aggregator.
Name	public	Unique internal identifier for the aggregator type.
Radius	public	Aggregation radius used to group nearby shapes into a single aggregated result.
RadiusAsText	public	Text representation of Radius with an explicit unit suffix.
Threshold	public	Minimum number of source shapes required to create an aggregated result.

All dynamic aggregation implementation classes inherit from this base class.

This class provides properties to customize aggregation behavior: