public void ClearAxisLines()
{
for (int i = 0; i < plotObjects.Count; i++)
{
Plottables.PlottableThing plotObject = plotObjects[i];
if (plotObject is Plottables.AxLine)
{
plotObjects[i] = null;
}
}
plotObjects.RemoveAll(item => item == null);
}
public double[] GetAxisLimits()
{
if (plotObjects.Count() == 0)
{
return(null);
}
double xMin = 0;
double xMax = 0;
double yMin = 0;
double yMax = 0;
// then expand as needed
for (int i = 0; i < plotObjects.Count(); i++)
{
Plottables.PlottableThing thing = plotObjects[i];
double[] axisLimits = thing.AxisLimits();
// skip things without clear axes
if (axisLimits is null)
{
continue;
}
if (xMin == xMax)
{
// if this is the first, use all limits
xMin = axisLimits[0];
xMax = axisLimits[1];
yMin = axisLimits[2];
yMax = axisLimits[3];
}
else
{
// otherwise use if expanding
xMin = Math.Min(xMin, axisLimits[0]);
xMax = Math.Max(xMax, axisLimits[1]);
yMin = Math.Min(yMin, axisLimits[2]);
yMax = Math.Max(yMax, axisLimits[3]);
}
}
return(new double[] { xMin, xMax, yMin, yMax });
}