public bool Read()
{
BinaryReader br = null;
mDataList = new List <RealData>();
if (!File.Exists(Fname))
{
return(false);
}
var flag = false;
try {
br = new BinaryReader(new FileStream(Fname, FileMode.Open));
var pos = 0;
var length = br.BaseStream.Length;
while (pos < length)
{
var nr = new RealData();
nr.T1 = br.ReadSingle();
nr.T2 = br.ReadSingle();
nr.H1 = br.ReadSingle();
nr.H2 = br.ReadSingle();
var a = br.ReadInt64();
var t = new DateTime(a);
nr.Time = t;
if (!mDataList.Contains(nr))
{
mDataList.Add(nr);
}
pos += 24;
}
flag = true;
} catch {
} finally {
if (br != null)
{
br.Close();
}
}
return(flag);
}
public void Add(RealData value)
{
if (mDataList == null)
{
mDataList = new List <RealData>();
}
if (mDataList.Contains(value))
{
return;
}
mDataList.Add(value);
var sl = mDataList.Count - DataCount;
if (sl > 0)
{
for (var i = 0; i < sl; i++)
{
mDataList.RemoveAt(0);
}
}
}
void UpdatePointList()
{
x1 = DateTime.Now;
x0 = x1.AddSeconds(-DisplayTimeSpan);
var x = x0;
int i;
for (i = 1; i < DisplayTimeSpan / timeGap; i++)
{
TopTemp[i - 1] = TopTemp[i];
BMTTemp[i - 1] = BMTTemp[i];
TopHR[i - 1] = TopHR[i];
BMTHR[i - 1] = BMTHR[i];
date[i - 1] = date[i];
}
TopTemp[i - 1] = double.Parse(myOPC.Items[PLCTagName.TopTemp.ToString()].Value.ToString());
BMTTemp[i - 1] = double.Parse(myOPC.Items[PLCTagName.BTMTemp.ToString()].Value.ToString());
TopHR[i - 1] = double.Parse(myOPC.Items[PLCTagName.TopHR.ToString()].Value.ToString());
BMTHR[i - 1] = double.Parse(myOPC.Items[PLCTagName.BTMHR.ToString()].Value.ToString());
date[i - 1] = new XDate(x1).XLDate;
for (var j = 0; j < DisplayTimeSpan / timeGap; j++)
{
TempAVG[j] = (TopTemp[j] + BMTTemp[j]) / 2.0;
HRAVG[j] = (TopHR[j] + BMTHR[j]) / 2.0;
}
var r = new RealData();
r.T1 = (float)TopTemp[i - 1];
r.T2 = (float)BMTTemp[i - 1];
r.H1 = (float)TopHR[i - 1];
r.H2 = (float)BMTHR[i - 1];
r.Time = x1;
rdo.Add(r);
LTopTemp = new PointPairList(date, TopTemp);
LBMTTemp = new PointPairList(date, BMTTemp);
LTopHR = new PointPairList(date, TopHR);
LBMTHR = new PointPairList(date, BMTHR);
var g1 = GC.MasterPane[0];
var g2 = GC.MasterPane[1];
g1.CurveList.Clear();
g2.CurveList.Clear();
CurveItem c = g1.AddCurve("温度上", LTopTemp, Color.Blue, SymbolType.None);
c = g1.AddCurve("温度下", LBMTTemp, Color.YellowGreen, SymbolType.None);
c = g1.AddCurve("温度", new PointPairList(date, TempAVG), Color.DarkRed, SymbolType.None);
c = g2.AddCurve("湿度上", LTopHR, Color.MediumVioletRed, SymbolType.None);
// c.IsY2Axis = true;
c = g2.AddCurve("湿度下", LBMTHR, Color.BlueViolet, SymbolType.None);
c = g2.AddCurve("湿度", new PointPairList(date, HRAVG), Color.Blue, SymbolType.None);
// c.IsY2Axis = true;
g1.XAxis.Scale.Max = date[i - 1];
g1.XAxis.Scale.Min = date[minIndex];
g2.XAxis.Scale.Max = date[i - 1];
g2.XAxis.Scale.Min = date[minIndex];
g1.AxisChange();
g2.AxisChange();
SetScalFormat(g1.XAxis, g1);
SetScalFormat(g2.XAxis, g2);
if (checkBox1.Checked)
{
GC.MasterPane[0].CurveList["温度"].IsVisible = true;
GC.MasterPane[1].CurveList["湿度"].IsVisible = true;
}
else
{
GC.MasterPane[0].CurveList["温度"].IsVisible = false;
GC.MasterPane[1].CurveList["湿度"].IsVisible = false;
}
GC.Refresh();
}
