/// <summary>
/// Centers the envelope around the specified point preserving the envelope's
/// width and height.
/// </summary>
/// <param name="c">The new center point.</param>
public virtual void CenterAt(com.epl.geometry.Point c)
{
_touch();
if (c.IsEmpty())
{
SetEmpty();
return;
}
m_envelope.CenterAt(c.GetX(), c.GetY());
}