/// <summary>
/// Handles the graphical plotting of the 2D function.
/// </summary>
protected override void PlotFunction()
{
// Create a temporary PFunction2D which will be used
// in order to preview current data.
PFunction2D tempFunction = new PFunction2D();
DataGridToPointFunctionData(tempFunction);
if (tempFunction.Xcoordinates.Length == 0 || tempFunction.Ycoordinates.Length == 0)
{
MessageBox.Show(this, "Cannot draw underlying function, it contains inconsistencies!");
return;
}
// Get the defined coordinates for the function in order
// to define its edges and set them for the plot.
// The values are in this order.
// 0 => X1 start
// 1 => X1 end
// 2 => X2 start
// 3 => X2 end.
Vector startingValues = new Vector(4);
startingValues[0] = tempFunction.Xcoordinates[0].V();
startingValues[1] = tempFunction.Xcoordinates[tempFunction.Xcoordinates.Length - 1].V();
startingValues[2] = tempFunction.Ycoordinates[0].V();
startingValues[3] = tempFunction.Ycoordinates[tempFunction.Ycoordinates.Length - 1].V();
// The coordinates are always 2 here as it's a 2D function.
base.OnPlotGenericFunction(2, tempFunction, startingValues);
}
public void TestZeroOrderInterpolation1()
{
PFunction2D func = SetTestData1();
func.Interpolation = EInterpolationType.ZERO_ORDER;
func.Parse(null);
Assert.AreEqual(100, func.Evaluate(50, 50));
}
public void TestLinearInterpolation1()
{
PFunction2D func = SetTestData1();
func.Interpolation = EInterpolationType.LINEAR;
func.Parse(null);
Assert.AreEqual(50, func.Evaluate(50, 50));
}
/// <summary>
/// Copies the data stored in this object in another object.
/// </summary>
/// <remarks>
/// Anything stored in the other object is overwritten.
/// </remarks>
/// <param name="other">The object where to copy this object to.</param>
internal void CopyTo(PFunction2D other)
{
other.SetSizes(this.coordinatesX.Length, this.coordinatesY.Length);
other.coordinatesX = (IRightValue[])this.coordinatesX.Clone();
other.coordinatesY = (IRightValue[])this.coordinatesY.Clone();
other.values = (IRightValue[, ]) this.values.Clone();
other.extrapolationType = this.extrapolationType;
other.interpolationType = this.interpolationType;
other.leastSquaresCoefficients = this.leastSquaresCoefficients;
}
/// <summary>
/// Loads the data from the function on the grid
/// so it's possible to view and edit it.
/// </summary>
private void PointFunctionDataToDataGrid()
{
// Take a reference to the function casted to PFunction2D
// so we can access its members, it's assured to be one
// from checks in Fairmat (due to the ProvidesTo implementation).
PFunction2D function = (PFunction2D)base.m_Function;
// Clear all the columns so it's possible to populate them from clean.
base.fairmatDataGridViewPointData.Columns.Clear();
// As we use our numbers disable the functionality to
// number the rows from the fairmatDataGridView control.
base.fairmatDataGridViewPointData.ShowRowNumber = false;
// Creates the columns for each given x coordinate point stored in the function.
for (int i = 0; i < function.Xcoordinates.Length; i++)
{
// The column name will have the coordinate associated to the specific x entry.
base.fairmatDataGridViewPointData.ColumnAdd(function.Xcoordinates[i].Expression);
}
// Populates all the rows of the matrix which defines the function.
for (int y = 0; y < function.Ycoordinates.Length; y++)
{
// Creates a row for each y coordinate present in the function definition.
DataGridViewRow row = new DataGridViewRow();
// Sets the header cell for the row to contain the value of the coordinate.
row.HeaderCell.Value = function.Ycoordinates[y].Expression;
// Finally fill each cell of the current row with the respective value.
for (int x = 0; x < function.Xcoordinates.Length; x++)
{
DataGridViewTextBoxCell cell = new DataGridViewTextBoxCell();
cell.Value = function[x, y].Expression;
row.Cells.Add(cell);
}
// Finally add the row which was just constructed to the grind.
base.fairmatDataGridViewPointData.Rows.Add(row);
}
}
/// <summary>
/// Gets the data from the Data Grid and puts it back in the function.
/// </summary>
/// <param name="destination">
/// The <see cref="PFunction2D"/> object where
/// the data will be stored if it succeeds validation.
/// </param>
/// <returns>True if the operation was successful, False otherwise.</returns>
private bool DataGridToPointFunctionData(PFunction2D destination)
{
PFunction2D tempFunction = new PFunction2D(null);
// Check if bind was executed. Is it still needed?
if (m_Project != null)
{
m_Project.ResetExpressionParser();
m_Project.CreateSymbols();
#if MONO
// If it's running on Mono the event EditingControlShowing doesn't work, so
// convert the decimal separators in the data grid before calculating the points.
if (Engine.RunningOnMono)
fairmatDataGridViewPointData.ConvertDecimalSeparators();
#endif
DataGridViewRowCollection rows = fairmatDataGridViewPointData.Rows;
DataGridViewColumnCollection columns = fairmatDataGridViewPointData.Columns;
// Sets the sizes of the function. Additionally check if the row.Count is zero,
// in that case it means there are no columns and rows and so must be handled
// separately
tempFunction.SetSizes(columns.Count, rows.Count > 0 ? rows.Count - 1 : 0);
// First load the column headers values
for (int x = columns.Count - 1; x >= 0; x--)
{
// DataGridView in case the header cell is edited to an empty string replaces
// its value with DBNull (non existent value).
// So, substitute the cell value explicitly with the empty string.
if (columns[x].HeaderCell.Value is DBNull ||
columns[x].HeaderCell.Value == null)
{
columns[x].HeaderCell.Value = string.Empty;
}
try
{
tempFunction[x, -1] = RightValue.ConvertFrom(columns[x].HeaderText, true);
}
catch (Exception e)
{
MessageBox.Show("The string " + columns[x].HeaderText + " (position " +
(x + 1) + ") is invalid due to: " + e.Message,
DataExchange.ApplicationName);
return false;
}
}
// Then the rows and the cells.
for (int y = rows.Count - 2; y >= 0; y--)
{
// DataGridView in case the header cell is edited to an empty string replaces
// its value with DBNull (non existent value).
// So, substitute the cell value explicitly with the empty string.
if (rows[y].HeaderCell.Value is DBNull || rows[y].HeaderCell.Value == null)
{
rows[y].HeaderCell.Value = string.Empty;
}
try
{
tempFunction[-1, y] = RightValue.ConvertFrom(rows[y].HeaderCell.Value, true);
}
catch (Exception e)
{
MessageBox.Show("The string " + rows[y].HeaderCell.Value + " (position " +
(y + 1) + ") is invalid due to: " + e.Message,
DataExchange.ApplicationName);
return false;
}
for (int x = 0; x < columns.Count; x++)
{
// DataGridView in case the cell is edited to an empty string replaces
// its value with DBNull (non existent value).
// So, substitute the cell value explicitly with the empty string.
if (rows[y].Cells[x].Value is DBNull)
{
rows[y].Cells[x].Value = string.Empty;
}
try
{
tempFunction[x, y] = RightValue.ConvertFrom(rows[y].Cells[x].Value, true);
}
catch (Exception e)
{
MessageBox.Show("The string " + rows[y].Cells[x].Value +
" is invalid due to: " + e.Message,
DataExchange.ApplicationName);
return false;
}
}
}
}
try
{
// Save the information about the interpolation/extrapolation
tempFunction.Interpolation = this.interpolationExtrapolationControlPF.GetInterpolationType();
tempFunction.LeastSquaresCoefficients = this.interpolationExtrapolationControlPF.LeastSquareCoefficients;
tempFunction.Extrapolation = this.interpolationExtrapolationControlPF.GetExtrapolationType();
}
catch (Exception e)
{
MessageBox.Show("The selected functionality is currently not usable: " + e.Message,
DataExchange.ApplicationName);
return false;
}
tempFunction.CopyTo(destination);
return true;
}
/// <summary>
/// Handles the graphical plotting of the 2D function.
/// </summary>
protected override void PlotFunction()
{
// Create a temporary PFunction2D which will be used
// in order to preview current data.
PFunction2D tempFunction = new PFunction2D(null);
DataGridToPointFunctionData(tempFunction);
// The coordinates are always 2 here as it's a 2D function.
base.OnPlotGenericFunction(2, tempFunction);
}
/// <summary>
/// Handles the graphical plotting of the 2D function.
/// </summary>
protected override void PlotFunction()
{
// Create a temporary PFunction2D which will be used
// in order to preview current data.
PFunction2D tempFunction = new PFunction2D();
DataGridToPointFunctionData(tempFunction);
if (tempFunction.Xcoordinates.Length == 0 || tempFunction.Ycoordinates.Length == 0)
{
MessageBox.Show(this, "Cannot draw underlying function, it contains inconsistencies!");
return;
}
// Get the defined coordinates for the function in order
// to define its edges and set them for the plot.
// The values are in this order.
// 0 => X1 start
// 1 => X1 end
// 2 => X2 start
// 3 => X2 end.
Vector startingValues = new Vector(4);
startingValues[0] = tempFunction.Xcoordinates[0].V();
startingValues[1] = tempFunction.Xcoordinates[tempFunction.Xcoordinates.Length - 1].V();
startingValues[2] = tempFunction.Ycoordinates[0].V();
startingValues[3] = tempFunction.Ycoordinates[tempFunction.Ycoordinates.Length - 1].V();
// The coordinates are always 2 here as it's a 2D function.
base.OnPlotGenericFunction(2, tempFunction, startingValues);
}
/// <summary>
/// Copies the data stored in this object in another object.
/// </summary>
/// <remarks>
/// Anything stored in the other object is overwritten.
/// </remarks>
/// <param name="other">The object where to copy this object to.</param>
internal void CopyTo(PFunction2D other)
{
other.SetSizes(this.coordinatesX.Length, this.coordinatesY.Length);
other.coordinatesX = (IRightValue[])this.coordinatesX.Clone();
other.coordinatesY = (IRightValue[])this.coordinatesY.Clone();
other.values = (IRightValue[,])this.values.Clone();
other.extrapolationType = this.extrapolationType;
other.interpolationType = this.interpolationType;
other.leastSquaresCoefficients = this.leastSquaresCoefficients;
}
/// <summary>
/// Gets the data from the Data Grid and puts it back in the function.
/// </summary>
/// <param name="destination">
/// The <see cref="PFunction2D"/> object where
/// the data will be stored if it succeeds validation.
/// </param>
/// <returns>True if the operation was successful, False otherwise.</returns>
private bool DataGridToPointFunctionData(PFunction2D destination)
{
PFunction2D tempFunction = new PFunction2D();
// Check if bind was executed. Is it still needed?
if (base.m_Project != null)
{
base.m_Project.ResetExpressionParser();
base.m_Project.CreateSymbols();
#if MONO
// If it's running on Mono the event EditingControlShowing doesn't work, so
// convert the decimal separators in the data grid before calculating the points.
if (Engine.RunningOnMono)
{
fairmatDataGridViewPointData.ConvertDecimalSeparators();
}
#endif
DataGridViewRowCollection rows = fairmatDataGridViewPointData.Rows;
DataGridViewColumnCollection columns = fairmatDataGridViewPointData.Columns;
// Sets the sizes of the function. Additionally check if the row.Count is zero,
// in that case it means there are no columns and rows and so must be handled
// separately
tempFunction.SetSizes(columns.Count, rows.Count > 0 ? rows.Count - 1 : 0);
// First load the column headers values
for (int x = columns.Count - 1; x >= 0; x--)
{
// DataGridView in case the header cell is edited to an empty string replaces
// its value with DBNull (non existent value).
// So, substitute the cell value explicitly with the empty string.
if (columns[x].HeaderCell.Value is DBNull ||
columns[x].HeaderCell.Value == null)
{
columns[x].HeaderCell.Value = string.Empty;
}
try
{
tempFunction[x, -1] = RightValue.ConvertFrom(columns[x].HeaderText, true);
}
catch (Exception e)
{
MessageBox.Show("The string " + columns[x].HeaderText + " (column " +
"position " + (x + 1) + ") is invalid due to: " +
e.Message, DataExchange.ApplicationName);
return(false);
}
}
// Then the rows and the cells.
for (int y = rows.Count - 2; y >= 0; y--)
{
// DataGridView in case the header cell is edited to an empty string replaces
// its value with DBNull (non existent value).
// So, substitute the cell value explicitly with the empty string.
if (rows[y].HeaderCell.Value is DBNull || rows[y].HeaderCell.Value == null)
{
rows[y].HeaderCell.Value = string.Empty;
}
try
{
tempFunction[-1, y] = RightValue.ConvertFrom(rows[y].HeaderCell.Value, true);
}
catch (Exception e)
{
MessageBox.Show("The string " + rows[y].HeaderCell.Value + " (row " +
"position " + (y + 1) + ") is invalid due to: " +
e.Message, DataExchange.ApplicationName);
return(false);
}
for (int x = 0; x < columns.Count; x++)
{
// DataGridView in case the cell is edited to an empty string replaces
// its value with DBNull (non existent value).
// So, substitute the cell value explicitly with the empty string.
if (rows[y].Cells[x].Value is DBNull)
{
rows[y].Cells[x].Value = string.Empty;
}
try
{
tempFunction[x, y] = RightValue.ConvertFrom(rows[y].Cells[x].Value, true);
}
catch (Exception e)
{
MessageBox.Show("The string " + rows[y].Cells[x].Value +
" (position " + (x + 1) + ", " + (y + 1) + ") " +
"is invalid due to: " + e.Message,
DataExchange.ApplicationName);
return(false);
}
}
}
}
try
{
// Save the information about the interpolation/extrapolation
tempFunction.Interpolation = this.interpolationExtrapolationControlPF.GetInterpolationType();
tempFunction.LeastSquaresCoefficients = this.interpolationExtrapolationControlPF.LeastSquareCoefficients;
tempFunction.Extrapolation = this.interpolationExtrapolationControlPF.GetExtrapolationType();
}
catch (Exception e)
{
MessageBox.Show("The selected functionality is currently not usable: " + e.Message,
DataExchange.ApplicationName);
return(false);
}
tempFunction.CopyTo(destination);
return(true);
}
