/// <summary>
/// Performs any processing when the line associated with this topology
/// is being de-activated. This should mark adjacent polygons for deletion, and
/// remove line references from any intersections.
/// </summary>
internal override void OnLineDeactivation()
{
// By default, we don't cleanup the starting terminal of each section. Unless
// the preceding section was an overlap (since intersections aren't cross-referenced
// to overlaps).
bool doFrom = false;
foreach (SectionTopology s in m_Sections)
{
if (s.IsOverlap)
{
doFrom = true;
}
else
{
Topology.MarkPolygons(s);
// The starting terminal only needs to be cleaned up if the preceding
// section was an overlap.
if (doFrom)
{
OnLineDeactivation(s.From);
doFrom = false;
}
OnLineDeactivation(s.To);
}
}
}
/// <summary>
/// Performs any processing when the line associated with this topology
/// is being de-activated. This should mark adjacent polygons for deletion, and
/// remove line references from any intersections.
/// </summary>
internal override void OnLineDeactivation()
{
// Mark adjacent polygons for deletion
Topology.MarkPolygons(this);
// Don't need to do anything about intersections, since LineTopology relates
// to a complete line, and complete lines must terminate on concrete PointFeature
// objects.
}