UpdateAxis
(
Smrf.WpfGraphicsLib.Axis oAxis,
String sAxisLabel,
Double dSourceCalculationNumber1,
Double dSourceCalculationNumber2,
Double dDestinationNumber1,
Double dDestinationNumber2,
Boolean bLogsUsed
)
{
Debug.Assert(oAxis != null);
Debug.Assert(sAxisLabel != null);
Debug.Assert(oNodeXLControl != null);
// AssertValid();
oAxis.Label = sAxisLabel;
Double dAxisLength =
oAxis.IsXAxis ? oAxis.ActualWidth : oAxis.ActualHeight;
if (dAxisLength == 0)
{
// The axis control hasn't been drawn yet.
oAxis.SetRange(VertexLocationConverter.MinimumXYWorkbook, 0,
VertexLocationConverter.MaximumXYWorkbook, 0, false);
return;
}
// dSourceCalculationNumber1 and dDestinationNumber1 are not
// necessarily at the near end of the axis.
Double dNearSourceCalculationNumber, dNearDestinationNumber,
dFarSourceCalculationNumber, dFarDestinationNumber,
dNearOffset;
if (dDestinationNumber2 >= dDestinationNumber1)
{
dNearSourceCalculationNumber = dSourceCalculationNumber1;
dNearDestinationNumber = dDestinationNumber1;
dFarSourceCalculationNumber = dSourceCalculationNumber2;
dFarDestinationNumber = dDestinationNumber2;
}
else
{
dNearSourceCalculationNumber = dSourceCalculationNumber2;
dNearDestinationNumber = dDestinationNumber2;
dFarSourceCalculationNumber = dSourceCalculationNumber1;
dFarDestinationNumber = dDestinationNumber1;
}
// Use the point-slope equation of a line to map destination units to
// WPF units.
Double dX1 = VertexLocationConverter.MinimumXYWorkbook;
Double dY1 = 0;
Double dX2 = VertexLocationConverter.MaximumXYWorkbook;
Double dY2 = dAxisLength;
Debug.Assert(dX1 != dX2);
Double dM = (dY1 - dY2) / (dX1 - dX2);
dNearOffset = dY1 + dM * (dNearDestinationNumber - dX1);
Double dFarX = dY1 + dM * (dFarDestinationNumber - dX1);
// Use Math.Max() to fix rounding errors that result in very small
// negative offsets, which are prohibited.
oAxis.SetRange(dNearSourceCalculationNumber, Math.Max(dNearOffset, 0),
dFarSourceCalculationNumber, Math.Max(dAxisLength - dFarX, 0),
bLogsUsed);
}
ShouldGroupByMotif
(
Smrf.NodeXL.Algorithms.Motifs eMotif
)
{
return ( (m_oMotifUserSettings.MotifsToCalculate & eMotif) != 0 );
}
