private void UpdatePieces(List <Point> data)
{
d_ignoreUpdatePreview = true;
bool hasperiod = ValidPeriod;
List <Undo.IAction> actions = new List <Undo.IAction>();
Biorob.Math.Range range = DeterminePeriod();
double period = 0;
if (hasperiod)
{
period = Period;
}
foreach (Cdn.FunctionPolynomialPiece piece in d_function.Pieces)
{
actions.Add(new Undo.RemoveFunctionPolynomialPiece(d_function, piece));
}
if (hasperiod && range != null)
{
// Remove data outside the range
data.RemoveAll(d => d.X <range.Min || d.X> range.Max);
}
// Then make it periodic
Biorob.Math.Interpolation.PChip pchip = new Biorob.Math.Interpolation.PChip();
data.Sort();
if (hasperiod)
{
Biorob.Math.Interpolation.Periodic.Extend(data, 0, period);
}
Biorob.Math.Functions.PiecewisePolynomial poly = pchip.InterpolateSorted(data);
foreach (Biorob.Math.Functions.PiecewisePolynomial.Piece piece in poly.Pieces)
{
Cdn.FunctionPolynomialPiece p;
p = new FunctionPolynomialPiece(piece.Begin, piece.End, piece.Coefficients);
actions.Add(new Undo.AddFunctionPolynomialPiece(d_function, p));
}
try
{
d_actions.Do(new Undo.Group(actions));
}
catch (Exception e)
{
Error(this, e);
}
d_ignoreUpdatePreview = false;
UpdatePreview();
}
private void DoAddPiece()
{
FunctionPolynomialPiece piece;
if (d_function.Pieces.Length == 0)
{
piece = new FunctionPolynomialPiece(0, 1, 0, 0, 0, 1);
}
else
{
FunctionPolynomialPiece last = d_function.Pieces[d_function.Pieces.Length - 1];
piece = new FunctionPolynomialPiece(last.End, last.End + (last.End - last.Begin), last.Coefficients);
}
d_select = true;
d_actions.Do(new Undo.AddFunctionPolynomialPiece(d_function, piece));
d_select = false;
}
private void BeginEdited(string newBegin, string path)
{
if (String.IsNullOrEmpty(newBegin.Trim()))
{
return;
}
Node node = d_treeview.NodeStore.FindPath(path);
if (node == null)
{
return;
}
double val = 0;
try
{
val = double.Parse(newBegin.Trim());
}
catch (Exception e)
{
Error(this, e);
return;
}
if (node.Piece == null)
{
/* Add a new piece */
try
{
FunctionPolynomialPiece piece;
if (d_function.Pieces.Length == 0)
{
piece = new FunctionPolynomialPiece(val, val + 1, 0, 0, 0, 1);
}
else
{
FunctionPolynomialPiece last = d_function.Pieces[d_function.Pieces.Length - 1];
piece = new FunctionPolynomialPiece(val, val + (last.End - last.Begin), 0, 0, 0, 1);
}
d_actions.Do(new Undo.AddFunctionPolynomialPiece(d_function, piece));
}
catch (GLib.GException err)
{
// Display could not remove, or something
Error(this, err);
}
return;
}
if (val == node.Piece.Begin)
{
return;
}
try
{
d_actions.Do(new Undo.ModifyFunctionPolynomialPieceBegin(d_function, node.Piece, val));
}
catch (GLib.GException err)
{
// Display could not remove, or something
Error(this, err);
return;
}
}
