private int _depthDelta; // the change in area depth from the R to Curve side of this edge
/// <summary>
/// Updates an IM from the label for an edge.
/// Handles edges from both L and A geometries.
/// </summary>
/// <param name="im"></param>
/// <param name="label"></param>
public static void UpdateIM(Label label, IntersectionMatrix im)
{
im.SetAtLeastIfValid(label.GetLocation(0, Positions.On), label.GetLocation(1, Positions.On), Dimensions.Curve);
if (label.IsArea())
{
im.SetAtLeastIfValid(label.GetLocation(0, Positions.Left), label.GetLocation(1, Positions.Left), Dimensions.Surface);
im.SetAtLeastIfValid(label.GetLocation(0, Positions.Right), label.GetLocation(1, Positions.Right), Dimensions.Surface);
}
}
/// <summary>
/// Update the IM with the contribution for this component.
/// A component only contributes if it has a labelling for both parent geometries.
/// </summary>
public override void ComputeIM(IntersectionMatrix im)
{
im.SetAtLeastIfValid(Label.GetLocation(0), Label.GetLocation(1), Dimensions.Point);
}
