private void RebuildGuideHistoryList()
{
lock (lockObj) {
if (overallGuideSteps.Count > 0)
{
var collection = new LinkedList <HistoryStep>();
var startIndex = overallGuideSteps.Count - historySize;
if (startIndex < 0)
{
startIndex = 0;
}
RMS.Clear();
for (int i = startIndex; i < overallGuideSteps.Count; i++)
{
var p = overallGuideSteps.ElementAt(i);
RMS.AddDataPoint(p.RADistanceRaw, p.DECDistanceRaw);
if (Scale == GuiderScaleEnum.ARCSECONDS)
{
p = p.AdjustPixelScale(PixelScale);
}
else
{
p = p.AdjustPixelScale(1);
}
collection.AddLast(p);
}
GuideSteps = new AsyncObservableLimitedSizedStack <HistoryStep>(historySize, collection);
CalculateMaximumDurationY();
}
}
}
public GuideStepsHistory(int historySize, GuiderScaleEnum scale, double maxY)
{
RMS = new RMS();
PixelScale = 1;
HistorySize = historySize;
MaxY = maxY;
Scale = scale;
GuideSteps = new AsyncObservableLimitedSizedStack <HistoryStep>(historySize);
MaxDurationY = 1;
}
public void Clear()
{
lock (lockObj) {
overallGuideSteps.Clear();
GuideSteps.Clear();
RMS.Clear();
MaxDurationY = 1;
HistoryStep.ResetIdProvider();
}
}
public void AddGuideStep(IGuideStep step)
{
lock (lockObj) {
var historyStep = HistoryStep.FromGuideStep(step, Scale == GuiderScaleEnum.PIXELS ? 1 : PixelScale);
overallGuideSteps.AddLast(historyStep);
if (GuideSteps.Count == HistorySize)
{
var elementIdx = overallGuideSteps.Count - HistorySize;
if (elementIdx >= 0)
{
var stepToRemove = overallGuideSteps.ElementAt(elementIdx);
RMS.RemoveDataPoint(stepToRemove.RADistanceRaw, stepToRemove.DECDistanceRaw);
}
}
RMS.AddDataPoint(step.RADistanceRaw, step.DECDistanceRaw);
GuideSteps.Add(historyStep);
CalculateMaximumDurationY();
}
}