//For each triangle, find its neighbors, note that there are 2 types of neighbors, sharedEdge neighbors and sharedPoint neighbors. the TidyNeighbor() function would do the classification.
private void CalculateTriangleNeighbor()
{
for (int i = 0; i < g_triangleList.Count; i++)
{
EPMTriangle t = g_triangleList[i];
List <EPMPoint> vertices = t.g_pointList;
for (int j = 0; j < vertices.Count; j++)
{
List <EPMTriangle> shared = m_pointIndexToTriangleList[vertices[j].g_indexInList];
for (int k = 0; k < shared.Count; k++)
{
t.g_sharePointNeighbors.Add(shared[k]);
}
}
t.TidyNeighbors();
}
}