internal override void ReDrawStep(DateTime timeBegin, DateTime timeEnd)
{
//if (!CheckNeedReDraw(timeBegin, timeEnd)) return;
GraphicVisual.ClearPoints();
if (_dots.Count == 0)
{
return;
}
//int j = -1;
if (_dots.Count <= AnalogDotsMaxCount)
{
if (_dots[0].Time > timeBegin)
{
GraphicVisual.AddPoint(timeBegin, _dots[0].Mean, true);
}
foreach (var dot in _dots)
{
GraphicVisual.AddPointStep(dot.Time, dot.Mean, dot.Nd != 0);
}
var lastDot = _dots.Last();
if (lastDot.Time < timeEnd)
{
GraphicVisual.AddPoint(timeEnd, lastDot.Mean, lastDot.Nd != 0);
}
}
else
{
TimeSpan ts = timeEnd.Subtract(timeBegin);
double step = Math.Truncate(ts.TotalSeconds / AnalogDotsMaxCount);
MomentValue <double> curDot = null;
DateTime curTime;
int i = 0;
while ((i < _dots.Count) && (_dots[i].Time < timeBegin))
{
curDot = _dots[i];
i++;
}
if (curDot != null)
{
GraphicVisual.AddPoint(curDot.Time, curDot.Mean, curDot.Nd != 0);
curTime = curDot.Time;
curDot = null;
}
else
{
if (_dots[0].Time > timeBegin)
{
GraphicVisual.AddPoint(timeBegin, _dots[0].Mean, true);
curTime = timeBegin;
}
else
{
curTime = timeBegin.AddSeconds(-2 * step);
curDot = _dots[0];
i++;
}
}
int n = i;
while ((n < _dots.Count) && (_dots[i].Time <= timeEnd))
{
n++;
}
if ((n - i) < AnalogDotsMaxCount)
{
while ((i < _dots.Count) && (_dots[i].Time < timeEnd))
{
GraphicVisual.AddPointStep(_dots[i].Time, _dots[i].Mean, _dots[i].Nd != 0);
i++;
}
}
else //если точек много
{
while ((i < _dots.Count) && (_dots[i].Time < timeEnd))
{
if (_dots[i].Time.Subtract(curTime).TotalSeconds > step)
{
if (curDot != null)
{
GraphicVisual.AddPoint(curDot.Time, curDot.Mean, curDot.Nd != 0);
}
GraphicVisual.DuplicatePoint(_dots[i].Time.AddMilliseconds(-1));
}
MomentValue <double> dotFirst = _dots[i];
MomentValue <double> dotMin = _dots[i];
MomentValue <double> dotMax = _dots[i];
DateTime lastTime = dotFirst.Time.AddSeconds(step);
curDot = null;
i++;
while ((i < _dots.Count) && (_dots[i].Time <= lastTime))
{
curDot = _dots[i];
if (_dots[i].Mean < dotMin.Mean)
{
dotMin = _dots[i];
}
if (_dots[i].Mean > dotMax.Mean)
{
dotMax = _dots[i];
}
i++;
}
MomentValue <double> dot1;
MomentValue <double> dot2;
if (dotMin.Time <= dotMax.Time)
{
dot1 = dotMin;
dot2 = dotMax;
}
else
{
dot1 = dotMax;
dot2 = dotMin;
}
bool isEmpty = (dot1.Nd != 0);
if ((dot2 == dot1) && (curDot != null))
{
isEmpty = (curDot.Nd != 0);
}
GraphicVisual.AddPoint(dot1.Time, dot1.Mean, isEmpty);
isEmpty = (dot2.Nd != 0);
if (curDot != null)
{
isEmpty = (curDot.Nd != 0);
}
if (dot2 != dot1)
{
GraphicVisual.AddPoint(dot2.Time, dot2.Mean, isEmpty);
}
if (curDot != null)
{
if (curDot.Mean == dot2.Mean)
{
curDot = null;
}
}
curTime = (curDot == null) ? dot2.Time : curDot.Time;
}
if (curDot != null)
{
GraphicVisual.AddPoint(curDot.Time, curDot.Mean, curDot.Nd != 0);
}
}
GraphicVisual.DuplicatePoint((i < _dots.Count) ? _dots[i].Time.AddMilliseconds(-1) : timeEnd);
}
}
//Добавление точек для отрисовки
internal override void ReDrawLin(DateTime timeBegin, DateTime timeEnd)
{
//if (!CheckNeedReDraw(timeBegin, timeEnd)) return;
GraphicVisual.ClearPoints();
//if (_dots.Count == 0) return;
if (_dots.Count <= AnalogDotsMaxCount)
{
foreach (var dot in _dots)
{
GraphicVisual.AddPoint(dot.Time, dot.Mean);
}
DrawState = EDrawState.AllDots;
}
else
{
TimeSpan ts = timeEnd.Subtract(timeBegin);
double step = Math.Truncate(ts.TotalSeconds / AnalogDotsMaxCount);
MomentValue <double> curDot = null;
DateTime lastTime = timeBegin.AddSeconds(-2 * step);
int i = 0;
while ((i < _dots.Count) && (_dots[i].Time < timeBegin))
{
curDot = _dots[i];
i++;
}
if (curDot != null)
{
GraphicVisual.AddPoint(curDot.Time, curDot.Mean);
lastTime = curDot.Time;
curDot = null;
}
while ((i < _dots.Count) && (_dots[i].Time < timeEnd))
{
bool fgFirst = false;
if (_dots[i].Time.Subtract(lastTime).TotalSeconds > step)
{
if (curDot != null)
{
GraphicVisual.AddPoint(curDot.Time, curDot.Mean);
}
GraphicVisual.AddPoint(_dots[i].Time, _dots[i].Mean);
fgFirst = true;
}
MomentValue <double> dotFirst = _dots[i];
MomentValue <double> dotMin = _dots[i];
MomentValue <double> dotMax = _dots[i];
bool fgEx = false;
i++;
while ((i < _dots.Count) && (_dots[i].Time < dotFirst.Time.AddSeconds(step)))
{
curDot = _dots[i];
if (_dots[i].Mean < dotMin.Mean)
{
dotMin = _dots[i];
fgEx = true;
}
if (_dots[i].Mean > dotMax.Mean)
{
dotMax = _dots[i];
fgEx = false;
}
i++;
}
MomentValue <double> dot1 = fgEx ? dotMax : dotMin;
MomentValue <double> dot2 = fgEx ? dotMin : dotMax;
if ((!fgFirst) || (dotFirst != dot1))
{
GraphicVisual.AddPoint(dot1.Time, dot1.Mean);
}
if (dot2 != dot1)
{
GraphicVisual.AddPoint(dot2.Time, dot2.Mean);
}
if ((curDot != null) && (curDot.Mean == dot2.Mean))
{
curDot = null;
}
lastTime = (curDot == null) ? dot2.Time : curDot.Time;
}
if (curDot != null)
{
GraphicVisual.AddPoint(curDot.Time, curDot.Mean);
}
if (i < _dots.Count)
{
GraphicVisual.AddPoint(_dots[i].Time, _dots[i].Mean);
}
}
}