/// <summary>
///
/// </summary>
/// <param name="argIndex"></param>
/// <param name="coord"></param>
/// <param name="onLocation"></param>
private void InsertPoint(int argIndex, Coordinate coord, Location onLocation)
{
var n = NodeMap.AddNode(coord);
var lbl = n.Label;
if (lbl == null)
{
n.Label = new Label(argIndex, onLocation);
}
else
{
lbl.SetLocation(argIndex, onLocation);
}
}
/// <summary>
/// Adds candidate boundary points using the current <see cref="IBoundaryNodeRule"/>.
/// This is used to add the boundary
/// points of dim-1 geometries (Curves/MultiCurves).
/// </summary>
/// <param name="argIndex"></param>
/// <param name="coord"></param>
private void InsertBoundaryPoint(int argIndex, Coordinate coord)
{
var n = NodeMap.AddNode(coord);
// nodes always have labels
var lbl = n.Label;
// the new point to insert is on a boundary
int boundaryCount = 1;
// determine the current location for the point (if any)
//Location loc = Location.Null;
var loc = lbl.GetLocation(argIndex, Positions.On);
if (loc == Location.Boundary)
{
boundaryCount++;
}
// determine the boundary status of the point according to the Boundary Determination Rule
var newLoc = DetermineBoundary(_boundaryNodeRule, boundaryCount);
lbl.SetLocation(argIndex, newLoc);
}
/// <summary>
///
/// </summary>
public PlanarGraph()
{
_nodes = new NodeMap(new NodeFactory());
}
/// <summary>
///
/// </summary>
/// <param name="nodeFact"></param>
public PlanarGraph(NodeFactory nodeFact)
{
_nodes = new NodeMap(nodeFact);
}