/// <summary>
/// Overlays two event tables to create an output event table that represents the union or intersection of the input.
/// </summary>
/// <param name="sourceTable">The input event table.</param>
/// <param name="source">
/// Parameter consisting of the route location fields and the type of events in the input event
/// table.
/// </param>
/// <param name="overlayTable">The overlay event table.</param>
/// <param name="overlay">
/// Parameter consisting of the route location fields and the type of events in the overlay event
/// table.
/// </param>
/// <param name="type">The type of overlay to be performed.</param>
/// <param name="output">
/// Parameter consisting of the route location fields and the type of events in the overlay event
/// table.
/// </param>
/// <param name="outputTableName">The table to be created.</param>
/// <param name="outputWorkspace">The workspace that will contain the table that has been created.</param>
/// <param name="trackCancel">Allows the operation be be cancelled.</param>
/// <returns>Returns a <see cref="ITable" /> representing the table that has been created.</returns>
public static ITable Overlay(this ITable sourceTable, IRouteEventProperties2 source, ITable overlayTable, IRouteEventProperties2 overlay, OverlayType type, IRouteEventProperties2 output, string outputTableName, IWorkspace outputWorkspace, ITrackCancel trackCancel)
{
IRouteMeasureEventGeoprocessor2 gp = new RouteMeasureGeoprocessorClass();
gp.InputEventProperties = source;
gp.InputTable = sourceTable;
gp.BuildOutputIndex = true;
gp.OverlayEventProperties = overlay;
gp.OverlayTable = overlayTable;
gp.KeepZeroLengthLineEvents = false;
return(OverlayImpl(gp, type, output, outputTableName, outputWorkspace, trackCancel));
}
/// <summary>
/// Events will be aggregated where the to-measure of one event matches the from-measure of the next event. This option
/// is applicable only for line events.
/// </summary>
/// <param name="table">The table whose rows will be aggregated.</param>
/// <param name="source">Parameter consisting of the route location fields and the type of events in the input event table.</param>
/// <param name="outputWorkspace"></param>
/// <param name="outputTableName">The table to be created.</param>
/// <param name="output">
/// Parameter consisting of the route location fields and the type of events in the concatenate event
/// table.
/// </param>
/// <param name="trackCancel">The object that allows for monitoring the progress.</param>
/// <param name="concatenateFields">The field(s)used to aggregate rows.</param>
/// <returns>Returns a <see cref="ITable" /> representing the table that has been created.</returns>
public static ITable Concatenate(this ITable table, IRouteEventProperties2 source, IWorkspace outputWorkspace, string outputTableName, IRouteEventProperties2 output, ITrackCancel trackCancel, params string[] concatenateFields)
{
var outputName = new TableNameClass();
outputName.WorkspaceName = (IWorkspaceName)((IDataset)outputWorkspace).FullName;
outputName.Name = outputTableName;
outputWorkspace.Delete(outputName);
IRouteMeasureEventGeoprocessor2 gp = new RouteMeasureGeoprocessorClass();
gp.InputEventProperties = source;
gp.InputTable = table;
gp.KeepZeroLengthLineEvents = false;
return(gp.Concatenate2(output, concatenateFields, outputName, trackCancel, ""));
}
