/// <summary>
/// Draws the graphs and saves them to local files
/// </summary>
public void DrawGraphs()
{
StringBuilder log = new StringBuilder();
log.AppendLine("starting DrawGraphs..");
try
{
List<Station> stations = Station.ReadListOfStations(StationXmlFile);
List<Channel> channels = Channel.ReadFromXml(StationXmlFile);
DataManager m = DataManager.CreateDefault();
DateTime end = DateTime.Now.Date.AddHours(DateTime.Now.Hour);
int interval = ReadIntervalFromConfig();
DateTime start = end.AddDays(interval * (-1));
TimeSeries ts = new TimeSeries(start, end);
TimeSeries curTs;
List<TimeSeries> tslist = new List<TimeSeries>(4);
ChartEngine eng = ChartEngine.FromConfigFile(StationXmlFile, GraphDir);
ChartLabelInfo chi = new ChartLabelInfo();
Channel curCh;
chi.UnitsName = "mm";
chi.Copyright = "Data: KFGG PřF UK Praha";
chi.ChannelName = "hladina";
string fileName;
List<Channel> stch;
List<Channel> chTypeList;
List<string> labelList = new List<string>();
Hashtable stHash = new Hashtable();
foreach (Station st in stations)
{
stch = Channel.FindByStation(channels, st.Id);
chi.StationName = st.Label;
//add channels to hashtable
//the hashtable now contains lists of multiple channels
stHash.Clear();
foreach (Channel ch in stch)
{
if (stHash.ContainsKey(ch.ChType))
{
((List<Channel>)stHash[ch.ChType]).Add(ch);
}
else
{
stHash.Add(ch.ChType, new List<Channel>(4));
((List<Channel>)stHash[ch.ChType]).Add(ch);
}
}
m.LocalDataDir = LocalDataDir;
foreach (DictionaryEntry de in stHash)
{
chTypeList = (List<Channel>)de.Value; //list of channels of same type
if (chTypeList.Count == 1)
{
curCh = chTypeList[0];
fileName = curCh.ChType + "-" + st.Name;
chi.ChannelName = curCh.ChLabel;
chi.UnitsName = curCh.Unit;
m.LoadObservationsFromFile(curCh.StId, curCh, start, end, ts);
//m.LoadObservations(curCh.StId, curCh, start, end, ts);
eng.CreateChart(ts, chi, curCh.ChType, fileName);
}
else if (chTypeList.Count > 1)
{
tslist.Clear();
labelList.Clear();
foreach (Channel ch in chTypeList)
{
curTs = new TimeSeries(start, end);
m.LoadObservationsFromFile(ch.StId, ch, start, end, curTs);
tslist.Add(curTs);
labelList.Add(ch.ChLabel);
}
chi.ChannelName = chTypeList[0].ChLabel;
if (chi.ChannelName.IndexOf(" ") >= 0)
{
chi.ChannelName = chi.ChannelName.Remove(chi.ChannelName.LastIndexOf(" "));
}
chi.UnitsName = chTypeList[0].Unit;
fileName = chTypeList[0].ChType + "-" + st.Name;
eng.CreateChart(tslist, chi, chTypeList[0].ChType, labelList, fileName);
}
}
}
}
catch (Exception ex)
{
log.AppendLine("DrawGraphs ERROR - " + ex.Source + " " + ex.Message);
}
finally
{
log.AppendLine("finished DrawGraphs..");
Logger logger = new Logger(logFile);
logger.WriteMessage(log.ToString());
}
}
public object Clone()
{
TimeSeries ts2 = new TimeSeries();
ts2._list = this._list.Clone();
ts2._maxTime = this.MaxTime;
ts2._maxVal = this.MaxValue;
ts2._minTime = this.MinTime;
ts2._minVal = this.MinValue;
ts2._numValid = this.NumValid;
return ts2;
}
