/// <summary> /// Common calls of getting Data from AFServer /// </summary> /// <param name="server_database">String representing the server and database</param> /// <param name="AttributeName"> name of the attribute</param> /// <param name="MatlabName">variable name for the Matlab Workspace</param> /// <param name="start">Start time of data collection.</param> /// <param name="end">End time of the data collection.</param> /// <param name="afobject"> AF object - AFAttribute, AFEventFrame, or PIPoint</param> /// <param name="addToListView"> Whether to add to the Listview (generally true)</param> public static void getData(string server_database, string AttributeName, string MatlabName, string start, string end, Object afobject, bool addToListView) { MatlabName = MatlabAccess.modifyMatlabName(MatlabName); LogInput logInput = null; AFValues Values = new AFValues(); AFAttribute attribute; object[] vals; double[] dbVals; double[] timestamps = null; int[] statuses; int baddata; //TIME RANGE AFTimeRange aftr; try { aftr = checkAFTimeRange(start, end); } catch (Exception ex) { MessageBox.Show(ex.Message); throw ex; } /// Get Object Type type = afobject.GetType(); string typestring = type.ToString(); // LogInput logInput = new LogInput(MatlabName, Element.Name, attribute.Name, path, aftr); switch (type.ToString()) { case "OSIsoft.AF.Asset.AFAttribute": attribute = (AFAttribute)afobject; logInput = new LogInput(MatlabName, attribute.Element.Name, attribute.Name, attribute.Element.GetPath(), aftr); if (attribute.PIPoint == null) // Constant Value { aftr = new AFTimeRange("*", "*"); logInput.setAFTimeRange(aftr); Values = attribute.GetValues(aftr, dataPref, null); } else // PI Point - Time Matters!! { /* Summary: Attribute.GetValues - Important Call! * Parameter Int32 => DataPref * = 0 : All Values returned * < 0 : Evenly spaced values, including start and end * > 0 : # of intervals, for each interval 5 points are given (first, last, high, low, and exceptional) */ Values = attribute.GetValues(aftr, dataPref, null); // FULLY UNDERSTAND THIS !!! Important Call!!!! } break; case "OSIsoft.AF.EventFrame.AFEventFrame": AFEventFrame frame = (AFEventFrame)afobject; logInput = new LogInput(MatlabName, frame.Name, frame.Attributes[AttributeName].Name, frame.GetPath(), aftr); attribute = frame.Attributes[AttributeName]; logInput.setAFTimeRange(aftr); AFValue val = attribute.GetValue(aftr); Values = new AFValues() { val }; break; case "OSIsoft.AF.PI.PIPoint": PIPoint piPoint = (PIPoint)afobject; string path = piPoint.GetPath(); logInput = new LogInput(MatlabName, "PI.Point", piPoint.Name, "PI.Point", aftr); Values = piPoint.RecordedValues(aftr, AFBoundaryType.Interpolated, "", true, Int32.MaxValue); break; } //Determine if AFTIME Absolute String isAbsoluteTimeString(start, end, logInput); logInput.setAttributeGetValueFormat(dataPref); logInput.setTimespaceFormat(dataFormat); ConvertAFValues.GetValuesArray(Values, false, out vals, out timestamps, out statuses, out baddata); try { MatlabAccess.sendDataToMatlab(MatlabName, AFValuesToArray(vals)); if (Timestamp) { MatlabAccess.sendDataToMatlab(MatlabName + "Time", timestamps); } } catch { logInput.setServerDatabase(server_database); LogSystem.addLogInput(server_database, logInput, addToListView); throw new NullReferenceException(); } logInput.setServerDatabase(server_database); LogSystem.addLogInput(server_database, logInput, addToListView); }