// Called when the x-axis selection is changed. Updates the plotting mapper also
private void OnXAxisSelectionChanged(object sender, EventArgs e)
{
currentXAxis = (ControlEnums.AXISOPTIONS)FindSelectedTextInEnum(XAxisSelectionBox.Text, typeof(ControlEnums.AXISOPTIONS));
// Populate the unit selection box with available units
XAxisUnitSelectionBox.Items.Clear();
foreach (Enum unit in Enum.GetValues(ControlEnums.GetAttribute(currentXAxis).units.GetType()))
{
XAxisUnitSelectionBox.Items.Add(ControlEnums.GetAttribute(unit).disp);
}
XAxisUnitSelectionBox.SelectedIndex = 0;
// Update mapper based on selected axis and unit
if (currentXAxis == ControlEnums.AXISOPTIONS.TIME)
{
CalculateTimeUnitConversion(series1Mapper, (ControlEnums.TIMEUNITS)currentXAxisUnit, true);
}
else if (currentXAxis == ControlEnums.AXISOPTIONS.VOLTAGE)
{
CalculateVoltageUnitConversion(series1Mapper, (ControlEnums.VOLTAGEUNITS)currentXAxisUnit, true);
}
else
{
CalculateBaseUnitConversion(series1Mapper, currentXAxis, (ControlEnums.BASEUNITS)currentXAxisUnit, true);
}
WipeGraph();
}
// Calculates the unit conversion factors for position, velocity and acceleration, in deg, rad and revs
public double GetBaseUnitConversionFactor(ControlEnums.AXISOPTIONS axis, ControlEnums.BASEUNITS unit)
{
if (unit == ControlEnums.BASEUNITS.DEG)
{
return(360.0 / 2000.0);
}
if (unit == ControlEnums.BASEUNITS.RAD)
{
return(2.0 * Math.PI / 2000.0);
}
if (unit == ControlEnums.BASEUNITS.REVS)
{
if (axis == ControlEnums.AXISOPTIONS.POSITION)
{
return(1.0 / 2000.0);
}
else
{
return(60.0 / 2000.0);
}
}
return(1.0);
}
// Called when the y-axis 2 selection changes. Updates the plotting mapper also
private void OnYAxis2SelectionChanged(object sender, EventArgs e)
{
currentYAxis2 = (ControlEnums.AXISOPTIONS)FindSelectedTextInEnum(YAxis2SelectionBox.Text, typeof(ControlEnums.AXISOPTIONS));
// Populate unit selection box with available units
YAxis2UnitSelectionBox.Items.Clear();
foreach (Enum unit in Enum.GetValues(ControlEnums.GetAttribute(currentYAxis2).units.GetType()))
{
YAxis2UnitSelectionBox.Items.Add(ControlEnums.GetAttribute(unit).disp);
}
YAxis2UnitSelectionBox.SelectedIndex = 0;
// Update mapper based on selected axis and unit
if (currentYAxis2 == ControlEnums.AXISOPTIONS.TIME)
{
CalculateTimeUnitConversion(series2Mapper, (ControlEnums.TIMEUNITS)currentYAxis2Unit, false);
}
else if (currentYAxis2 == ControlEnums.AXISOPTIONS.VOLTAGE)
{
CalculateVoltageUnitConversion(series2Mapper, (ControlEnums.VOLTAGEUNITS)currentYAxis2Unit, false);
}
else
{
CalculateBaseUnitConversion(series2Mapper, currentYAxis2, (ControlEnums.BASEUNITS)currentYAxis2Unit, false);
}
if (currentYAxis2 == ControlEnums.AXISOPTIONS.ACCELERATION && Series2EnabledCheckbox.Checked)
{
Chart.Series.Add(setLine3);
}
else if (Chart.Series.Contains(setLine3))
{
Chart.Series.Remove(setLine3);
}
WipeGraph();
}
// Sets the unit conversion factors for position, velocity and acceleration, for either axis mapper
public void CalculateBaseUnitConversion(CartesianMapper <GraphingEntry> mapper, ControlEnums.AXISOPTIONS axis, ControlEnums.BASEUNITS unit, bool xAxis)
{
if (axis == ControlEnums.AXISOPTIONS.POSITION)
{
if (xAxis)
{
mapper.X(entry => entry.position * GetBaseUnitConversionFactor(axis, unit));
}
else
{
mapper.Y(entry => entry.position * GetBaseUnitConversionFactor(axis, unit));
}
}
if (axis == ControlEnums.AXISOPTIONS.VELOCITY)
{
if (xAxis)
{
mapper.X(entry => entry.velocity * GetBaseUnitConversionFactor(axis, unit));
}
else
{
mapper.Y(entry => entry.velocity * GetBaseUnitConversionFactor(axis, unit));
}
}
if (axis == ControlEnums.AXISOPTIONS.ACCELERATION)
{
if (xAxis)
{
mapper.X(entry => entry.acceleration * GetBaseUnitConversionFactor(axis, unit));
}
else
{
mapper.Y(entry => entry.acceleration * GetBaseUnitConversionFactor(axis, unit));
}
}
}
