public MPoint this[int index]
{
get
{
MPoint mPoint = new MPoint();
mPoint.X = X[index];
for (int i = 0; i < Y.Length; i++)
{
mPoint.Y[i] = Y[i].Value[index];
}
return(mPoint);
}
set
{
X[index] = value.X;
for (int i = 0; i < Y.Length; i++)
{
Y[i].Value[index] = value.Y[i];
}
}
}
public MPoints Decode(MemoryStream memoryStream)
{
List <MPoint> mPoints = new List <MPoint>();
while (true)
{
if (PSP.Decode(memoryStream, ref package) == true)
{
break;
}
MPoint mPoint = new MPoint();
DateTime dateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
dateTime = dateTime.AddSeconds(package.Item[0].Value);
dateTime = dateTime.AddMilliseconds(package.Item[1].Value);
mPoint.X = dateTime;
for (int i = 0; i < mPoint.Y.Length; i++)
{
mPoint.Y[i] = (int)package.Item[i + 2].Value;
}
;
mPoints.Add(mPoint);
}
//Debug.Print(mPoints.Count.ToString());
if (mPoints.Count == 0)
{
return(null);
}
MPoints points = new MPoints(mPoints.Count);
for (int i = 0; i < mPoints.Count; i++)
{
points[i] = mPoints[i];
}
return(points);
}
private async Task <MPoints> BlockDecreaseAsync(int position, int blockSize)
{
return(await Task.Run(() =>
{
using (FileStream fs = File.OpenRead(fileName))
{
//StreamDecoding sd = new StreamDecoding(fs);
MPoints mPointsOut = new MPoints(2);
MPoints mPointsBlock;
//Создание блока из потока
//mPointsBlock = sd.DecodingBlock(blockSize, position);
//StreamControl sc = new StreamControl();
//sc.SeleсtStream(fs);
//var s = sc.ReadStream(blockSize, position);
PackagePSP package = new PackagePSP(new PackagePSPStructure(StartBit.ZERO, 32, 10, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12));
List <MPoint> mPoints = new List <MPoint>();
while (true)
{
// if (PSP.Decode(s, ref package) == true) break;
MPoint mPoint = new MPoint();
DateTime dateTime = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
dateTime = dateTime.AddSeconds(package.Item[0].Value);
dateTime = dateTime.AddMilliseconds(package.Item[1].Value);
mPoint.X = dateTime;
for (int i = 0; i < mPoint.Y.Length; i++)
{
mPoint.Y[i] = (int)package.Item[i + 2].Value;
}
;
mPoints.Add(mPoint);
}
//Debug.Print(mPoints.Count.ToString());
if (mPoints.Count == 0)
{
return null;
}
MPoints points = new MPoints(mPoints.Count);
for (int i = 0; i < mPoints.Count; i++)
{
points[i] = mPoints[i];
}
//Выборка первой и последней даты в блоке
mPointsOut.X[0] = points.X.First();
mPointsOut.X[1] = points.X.Last();
//Выборка минимальных и максимальных Y значений
for (int g = 0; g < mPointsOut.Y.Length; g++)
{
mPointsOut.Y[g].Value[0] = points.Y[g].Value.Min();
mPointsOut.Y[g].Value[1] = points.Y[g].Value.Max();
}
return mPointsOut;
}
}
));
}
