/// <summary>
/// Constructs a point by projecting a point on surface with given
/// project direction.
/// </summary>
/// <param name="contextSurface">The surface on which the projection is to be made.</param>
/// <param name="direction">The direction vector of the projection</param>
/// <returns>Projected point on surface</returns>
public Point Project(Surface contextSurface, Vector direction)
{
if (null == contextSurface)
{
throw new ArgumentNullException("contextSurface");
}
if (null == direction || direction.IsZeroVector())
{
throw new ArgumentException(string.Format(Properties.Resources.InvalidInput, direction, "Project on surface"), "direction");
}
Point pt = ProjectOnGeometry(contextSurface, direction);
pt.Context = contextSurface;
pt.Direction = direction;
pt.ReferencePoint = this;
double[] parameters = contextSurface.ParameterAtPoint(pt);
if (null != parameters)
{
pt.U = parameters[0];
pt.V = parameters[1];
}
return(pt);
}
/// <summary>
/// Constructs a point by projecting a point on surface. It is equivalent
/// to finding the nearest point on the surface
/// </summary>
/// <param name="contextSurface">The surface on which the projection is to be made.</param>
/// <returns>Projected point on surface</returns>
public Point Project(Surface contextSurface)
{
if (null == contextSurface)
{
throw new ArgumentNullException("contextSurface");
}
Point pt = ProjectOnGeometry(contextSurface, null);
if (null == pt)
{
throw new InvalidOperationException(string.Format(Properties.Resources.OperationFailed, "Project on surface"));
}
pt.Context = contextSurface;
pt.ReferencePoint = this;
double[] parameters = contextSurface.ParameterAtPoint(pt);
if (null != parameters)
{
pt.U = parameters[0];
pt.V = parameters[1];
}
return(pt);
}
/// <summary>
/// Constructs a point by projecting a point on surface with given
/// project direction.
/// </summary>
/// <param name="contextSurface">The surface on which the projection is to be made.</param>
/// <param name="direction">The direction vector of the projection</param>
/// <returns>Projected point on surface</returns>
public Point Project(Surface contextSurface, Vector direction)
{
if (null == contextSurface)
throw new ArgumentNullException("contextSurface");
if (null == direction || direction.IsZeroVector())
throw new ArgumentException(string.Format(Properties.Resources.InvalidInput, direction, "Project on surface"), "direction");
Point pt = ProjectOnGeometry(contextSurface, direction);
pt.Context = contextSurface;
pt.Direction = direction;
pt.ReferencePoint = this;
double[] parameters = contextSurface.ParameterAtPoint(pt);
if (null != parameters)
{
pt.U = parameters[0];
pt.V = parameters[1];
}
return pt;
}
/// <summary>
/// Constructs a point by projecting a point on surface. It is equivalent
/// to finding the nearest point on the surface
/// </summary>
/// <param name="contextSurface">The surface on which the projection is to be made.</param>
/// <returns>Projected point on surface</returns>
public Point Project(Surface contextSurface)
{
if (null == contextSurface)
throw new ArgumentNullException("contextSurface");
Point pt = ProjectOnGeometry(contextSurface, null);
if (null == pt)
throw new InvalidOperationException(string.Format(Properties.Resources.OperationFailed, "Project on surface"));
pt.Context = contextSurface;
pt.ReferencePoint = this;
double[] parameters = contextSurface.ParameterAtPoint(pt);
if (null != parameters)
{
pt.U = parameters[0];
pt.V = parameters[1];
}
return pt;
}
