public async Task ChangeSnapshotData(IEnumerable <VibrationChannelToken> tokens)
{
if (SelecetedSeriesToken == null)
{
SelecetedSeriesToken = contractsCollection.FirstOrDefault();
}
if (SelecetedSeriesToken != null)
{
if (SelecetedSeriesToken.CurrentIndex != -1)
{
string ipAddress = ServerAddress.CTLAddress.Split('/')[2].Split(':')[0];
VInfoTableAMSContract vInfoAMS = SelecetedSeriesToken.DataContracts[SelecetedSeriesToken.CurrentIndex];
LinqWhereHelper helper = new LinqWhereHelper();
helper.AddCondition("ChannelGlobalIndex", "=", SelecetedSeriesToken.Channel.ChannelGlobalIndex);
helper.AddCondition("STIME", "=", vInfoAMS.Date);
var database = await DatabaseComponent.Instance;
var contracts = await Task.Run(() => database.QuerySnapshot(ipAddress, helper, vInfoAMS.Date));
var contact = contracts.SingleOrDefault();
RaiseSnapshotDataChanged(contact);
}
}
}
private void UpdateCursorResult(double xValue)
{
try
{
m_chart.BeginUpdate();
List <VibrationChannelToken> channelList = new List <VibrationChannelToken>();
AnnotationXY cursorValueDisplay = m_chart.ViewXY.Annotations[0];
float fTargetYCoord = m_chart.ViewXY.GetMarginsRect().Bottom;
double dY;
m_chart.ViewXY.YAxes[0].CoordToValue(fTargetYCoord, out dY);
cursorValueDisplay.TargetAxisValues.X = xValue;
cursorValueDisplay.TargetAxisValues.Y = dY;
StringBuilder sb = new StringBuilder();
int iSeriesNumber = 1;
string strChannelStringFormat = "{0}: {1}({2})";
string strValue = "";
bool bLabelVisible = false;
foreach (PointLineSeries series in m_chart.ViewXY.PointLineSeries)
{
strValue = "";
int index = GetNearestIndex(series, xValue);
bLabelVisible = true;
if (series.Tag is VibrationChannelToken)
{
VibrationChannelToken token = series.Tag as VibrationChannelToken;
token.CurrentIndex = index;
channelList.Add(token);
if (index != -1)
{
VInfoTableAMSContract contract = token.DataContracts[index]; //. series.Points[index].Tag as VInfoTableAMSContract;
string unit = string.Empty;
switch (contract.Unit)
{
case 0:
unit = "m/s2";
break;
case 1:
unit = "mm/s";
break;
case 2:
unit = "mm";
break;
}
strValue = string.Format("{0}: {1}({2})|{3}", token.Channel.Name + token.Channel.MSSN, Math.Round(contract.Value, 3), unit, Math.Round(contract.RPM ?? 0.0, 3));
}
else
{
strValue = string.Format(strChannelStringFormat, token.Channel.Name + token.Channel.MSSN, "---", "Unit");
}
}
else if (series.Tag is AnalogChannelToken)
{
AnalogChannelToken token = series.Tag as AnalogChannelToken;
if (index != -1)
{
AnInfoTableAMSContract contract = token.DataContracts[index]; //series.Points[index].Tag as AnInfoTableAMSContract;
string unit = string.Empty;
switch (contract.Unit)
{
case 3:
unit = "℃";
break;
case 4:
unit = "Pa";
break;
case 5:
unit = "RPM";
break;
}
strValue = string.Format(strChannelStringFormat, token.Channel.Name + token.Channel.MSSN, Math.Round(contract.Value, 3), unit);
}
else
{
strValue = string.Format(strChannelStringFormat, token.Channel.Name + token.Channel.MSSN, "---", "Unit");
}
}
else if (series.Tag is DivFreChannelToken)
{
DivFreChannelToken token = series.Tag as DivFreChannelToken;
if (index != -1)
{
DivFreTableFreContract contract = token.DataContracts[index];
string unit = string.Empty;
switch (contract.Unit)
{
case 0:
unit = "分频-m/s2";
break;
case 1:
unit = "分频-mm/s";
break;
case 2:
unit = "分频-mm";
break;
}
strValue = string.Format(strChannelStringFormat, token.Channel.FreDescription, Math.Round(contract.FreMV, 3), unit);
}
else
{
strValue = string.Format(strChannelStringFormat, token.Channel.FreDescription, "---", "Unit");
}
}
sb.AppendLine(strValue);
// series.Title.Text = strValue;
iSeriesNumber++;
}
sb.AppendLine("Time: " + m_chart.ViewXY.XAxes[0].TimeString(xValue, "yyyy/MM/dd HH:mm:ss"));
//Set text
cursorValueDisplay.Text = sb.ToString().Trim();
cursorValueDisplay.Visible = bLabelVisible;
//Allow chart rendering
m_chart.EndUpdate();
if (channelList.Count > 0)
{
viewModel.RaiseTrackChanged(channelList);
}
}
catch (Exception ex)
{
EventAggregatorService.Instance.EventAggregator.GetEvent <ThrowExceptionEvent>().Publish(Tuple.Create <string, Exception>("数据回放-通频趋势-Track", ex));
m_chart.EndUpdate();
}
}
