/// <summary>
/// Locate line features along the route and writes the result to a new line event table.
/// </summary>
/// <param name="locateLinesAlongRouteName">The name of the event table of the located features.</param>
/// <param name="lines">The lines to locate.</param>
/// <param name="clusterTolerance">
/// The cluster tolerance which is a numeric value
/// representing the maximum tolerated distance between the input lines and the target routes.
/// </param>
/// <param name="filter">An optional filter used to use a subset of the line data.</param>
/// <param name="keepAllFields">
/// Allows you to include or disinclude the attributes of the point feature class. If this is
/// set to False, the output event table will only contain the route event properties.
/// </param>
/// <param name="workspace">The workspace that will contain the event data table.</param>
/// <returns>
/// Returns a <see cref="ITable" /> representing the event table of the results.
/// </returns>
public ITable Locate(string locateLinesAlongRouteName, IFeatureClass lines, double clusterTolerance, IQueryFilter filter, bool keepAllFields, IWorkspace workspace)
{
var properties = new RouteMeasureLinePropertiesClass();
properties.EventRouteIDFieldName = this.Name.RouteIDFieldName;
properties.ToMeasureFieldName = "TMEAS";
properties.FromMeasureFieldName = "FMEAS";
return(this.Locate(locateLinesAlongRouteName, lines, clusterTolerance, properties, filter, keepAllFields, workspace));
}
/// <summary>
/// Locates the polygon features along the route and writes the result to a new line event table.
/// </summary>
/// <param name="locatePolygonsAlongRouteName">Name of the locate polygons along route.</param>
/// <param name="polygons">The polygons to locate.</param>
/// <param name="keepZeroLengthEvents">
/// if set to <c>true</c> allows you to keep or not keep the zero length line events in
/// the output event table. The zero length line events result from a case where the geometric intersection of the
/// route (line) and the polygon is a point.
/// </param>
/// <param name="filter">An optional filter used to use a subset of the polygon data.</param>
/// <param name="keepAllFields">
/// Allows you to include or disinclude the attributes of the point feature class. If this is
/// set to False, the output event table will only contain the route event properties.
/// </param>
/// <param name="workspace">The workspace that will contain the event data table.</param>
/// <returns>
/// Returns a <see cref="ITable" /> representing the event table of the results.
/// </returns>
public ITable Locate(string locatePolygonsAlongRouteName, IFeatureClass polygons, bool keepZeroLengthEvents, IQueryFilter filter, bool keepAllFields, IWorkspace workspace)
{
var properties = new RouteMeasureLinePropertiesClass();
properties.EventRouteIDFieldName = this.Name.RouteIDFieldName;
properties.ToMeasureFieldName = "TMEASURE";
properties.FromMeasureFieldName = "FMEASURE";
return(this.Locate(locatePolygonsAlongRouteName, polygons, keepZeroLengthEvents, properties, filter, keepAllFields, workspace));
}
/// <summary>
/// 动态分段，作者：刘宇
/// </summary>
/// <param name="_pRouteFC"></param>
/// <param name="_pPKName"></param>
/// <param name="_pEventTable"></param>
/// <param name="_pFKName"></param>
/// <param name="_pFrom"></param>
/// <param name="_pTo"></param>
/// <returns></returns>
IFeatureClass EventTable2FeatureClass(IFeatureClass _pRouteFC, string _pPKName, ITable _pEventTable, string _pFKName, string _pFrom, string _pTo)
{
IDataset pDataset = (IDataset)_pRouteFC;
IName pName = pDataset.FullName;
IRouteLocatorName pRouteLocatorName = new RouteMeasureLocatorNameClass();
pRouteLocatorName.RouteFeatureClassName = pName;
pRouteLocatorName.RouteIDFieldName = _pPKName;
pRouteLocatorName.RouteMeasureUnit = esriUnits.esriFeet;
pName = (IName)pRouteLocatorName;
IRouteEventProperties2 pRouteProp = new RouteMeasureLinePropertiesClass();
pRouteProp.AddErrorField = true;
pRouteProp.EventMeasureUnit = esriUnits.esriFeet;
pRouteProp.EventRouteIDFieldName = _pFKName;
IRouteMeasureLineProperties rMLineProp = (IRouteMeasureLineProperties)pRouteProp;
rMLineProp.FromMeasureFieldName = _pFrom;
rMLineProp.ToMeasureFieldName = _pTo;
IDataset pDs = (IDataset)_pEventTable;
IName pNTableName = pDs.FullName;
IRouteEventSourceName pRouteEventSourceName = new RouteEventSourceNameClass();
pRouteEventSourceName.EventTableName = pNTableName;
pRouteEventSourceName.EventProperties = (IRouteEventProperties)pRouteProp;
pRouteEventSourceName.RouteLocatorName = pRouteLocatorName;
pName = (IName)pRouteEventSourceName;
IFeatureClass pFeatureClass = (IFeatureClass)pName.Open();
return pFeatureClass;
}
