public PPoint(double x, double y, double val)
{
X = x;
Y = y;
VAL = val;
AdjacentPoints.Clear();
AdjacentTriangles.Clear();
}
/// <summary>
/// Calculates the adjacent triangles of all of the triangles.
/// Uses quadnodes in order to speed up adjacent triangle search.
/// </summary>
private void CalculateTriangleAdjacents()
{
AdjacentTriangles.CalculateTriangleAdjacentsV2(_quadtreeData);
}