/// <summary>
/// Renumber vertex and triangle id's.
/// </summary>
public void Renumber(NodeNumbering num)
{
// Don't need to do anything if the nodes are already numbered.
if (num == this.numbering)
{
return;
}
int id;
if (num == NodeNumbering.Linear)
{
id = 0;
foreach (var node in this.vertices.Values)
{
node.id = id++;
}
}
else if (num == NodeNumbering.CuthillMcKee)
{
CuthillMcKee rcm = new CuthillMcKee();
int[] perm_inv = rcm.Renumber(this);
// Permute the node indices.
foreach (var node in this.vertices.Values)
{
node.id = perm_inv[node.id];
}
}
// Remember the current numbering.
numbering = num;
// Triangles will always be numbered from 0 to n-1
id = 0;
foreach (var item in this.triangles.Values)
{
item.id = id++;
}
}
/// <summary>
/// Smooth the current mesh.
/// </summary>
public void Smooth()
{
numbering = NodeNumbering.None;
ISmoother smoother = new SimpleSmoother(this);
smoother.Smooth();
}
/// <summary>
/// Reset the mesh triangulation state.
/// </summary>
private void Reset()
{
numbering = NodeNumbering.None;
undeads = 0; // No eliminated input vertices yet.
checksegments = false; // There are no segments in the triangulation yet.
checkquality = false; // The quality triangulation stage has not begun.
Statistic.InCircleCount = 0;
Statistic.CounterClockwiseCount = 0;
Statistic.InCircleCountDecimal = 0;
Statistic.CounterClockwiseCountDecimal = 0;
Statistic.Orient3dCount = 0;
Statistic.HyperbolaCount = 0;
Statistic.CircleTopCount = 0;
Statistic.CircumcenterCount = 0;
}