Example #1
0
        /// <summary>
        /// The main run method called to fill tables in the specified DataStore.
        /// </summary>
        /// <param name="dataStore">The DataStore to work with</param>
        public void Run(IStorageReader dataStore)
        {
            dataStore.DeleteDataInTable(this.Name);

            DataTable simulationData = dataStore.GetData(TableName, fieldNames: dataStore.GetTableColumns(TableName));

            if (simulationData != null)
            {
                // Add all the necessary columns to our data table.
                DataTable probabilityData = new DataTable();
                probabilityData.Columns.Add("Probability", typeof(double));
                foreach (DataColumn column in simulationData.Columns)
                {
                    if (column.DataType == typeof(double))
                    {
                        probabilityData.Columns.Add(column.ColumnName, typeof(double));
                    }
                }

                string[] simulationNames = dataStore.SimulationNames;

                DataView view = new DataView(simulationData);
                foreach (string simulationName in simulationNames)
                {
                    view.RowFilter = "SimulationName = '" + simulationName + "'";

                    int startRow = probabilityData.Rows.Count;

                    // Add in a simulation column.
                    string[] simulationNameColumnValues = StringUtilities.CreateStringArray(simulationName, view.Count);
                    DataTableUtilities.AddColumn(probabilityData, "SimulationName", simulationNameColumnValues, startRow, simulationNameColumnValues.Length);

                    // Add in the probability column
                    double[] probabilityValues = MathUtilities.ProbabilityDistribution(view.Count, this.Exceedence);
                    DataTableUtilities.AddColumn(probabilityData, "Probability", probabilityValues, startRow, view.Count);

                    // Add in all other numeric columns.
                    foreach (DataColumn column in simulationData.Columns)
                    {
                        if (column.DataType == typeof(double))
                        {
                            double[] values = DataTableUtilities.GetColumnAsDoubles(view, column.ColumnName);
                            Array.Sort <double>(values);
                            DataTableUtilities.AddColumn(probabilityData, column.ColumnName, values, startRow, values.Length);
                        }
                    }
                }

                // Write the stats data to the DataStore
                probabilityData.TableName = this.Name;
                dataStore.WriteTable(probabilityData);
            }
        }
Example #2
0
        /// <summary>
        /// The main run method called to fill tables in the specified DataStore.
        /// </summary>
        /// <param name="dataStore">The DataStore to work with</param>
        public void Run(IStorageReader dataStore)
        {
            dataStore.DeleteDataInTable(this.Name);

            DataTable simulationData = dataStore.GetData(TableName, fieldNames: dataStore.GetTableColumns(TableName));

            if (simulationData != null)
            {
                IndexedDataTable simData         = new IndexedDataTable(simulationData, new string[] { FieldToSplitOn });
                IndexedDataTable probabilityData = new IndexedDataTable(new string[] { FieldToSplitOn });

                foreach (var group in simData.Groups())
                {
                    object keyValue = group.IndexValues[0];

                    // Add in our key column
                    probabilityData.SetIndex(new object[] { keyValue });
                    probabilityData.Set <object>(FieldToSplitOn, keyValue);

                    // Add in all other numeric columns.
                    bool haveWrittenProbabilityColumn = false;

                    foreach (DataColumn column in simulationData.Columns)
                    {
                        if (column.DataType == typeof(double))
                        {
                            var values = group.Get <double>(column.ColumnName).ToList();
                            values.Sort();

                            if (!haveWrittenProbabilityColumn)
                            {
                                // Add in the probability column
                                double[] probabilityValues = MathUtilities.ProbabilityDistribution(values.Count, this.Exceedence);
                                probabilityData.SetValues("Probability", probabilityValues);
                                haveWrittenProbabilityColumn = true;
                            }

                            probabilityData.SetValues(column.ColumnName, values);
                        }
                    }
                }

                // Write the stats data to the DataStore
                DataTable t = probabilityData.ToTable();
                t.TableName = this.Name;
                dataStore.WriteTable(t);
            }
        }
Example #3
0
        /// <summary>Main run method for performing our calculations and storing data.</summary>
        /// <param name="dataStore">The data store.</param>
        /// <exception cref="ApsimXException">
        /// Could not find model data table:  + PredictedTableName
        /// or
        /// Could not find observed data table:  + ObservedTableName
        /// </exception>
        public void Run(IStorageReader dataStore)
        {
            if (PredictedTableName != null && ObservedTableName != null)
            {
                dataStore.DeleteDataInTable(this.Name);

                List <string> predictedDataNames = dataStore.GetTableColumns(PredictedTableName);
                List <string> observedDataNames  = dataStore.GetTableColumns(ObservedTableName);

                if (predictedDataNames == null)
                {
                    throw new ApsimXException(this, "Could not find model data table: " + PredictedTableName);
                }

                if (observedDataNames == null)
                {
                    throw new ApsimXException(this, "Could not find observed data table: " + ObservedTableName);
                }

                // get the common columns between these lists of columns
                IEnumerable <string> commonCols = predictedDataNames.Intersect(observedDataNames);

                StringBuilder query = new StringBuilder("SELECT ");
                foreach (string s in commonCols)
                {
                    if (s == FieldNameUsedForMatch || s == FieldName2UsedForMatch || s == FieldName3UsedForMatch)
                    {
                        query.Append("I.'@field', ");
                    }
                    else
                    {
                        query.Append("I.'@field' AS 'Observed.@field', R.'@field' AS 'Predicted.@field', ");
                    }

                    query.Replace("@field", s);
                }

                query.Append("FROM " + ObservedTableName + " I INNER JOIN " + PredictedTableName + " R USING (SimulationID) WHERE I.'@match1' = R.'@match1'");
                if (FieldName2UsedForMatch != null && FieldName2UsedForMatch != string.Empty)
                {
                    query.Append(" AND I.'@match2' = R.'@match2'");
                }
                if (FieldName3UsedForMatch != null && FieldName3UsedForMatch != string.Empty)
                {
                    query.Append(" AND I.'@match3' = R.'@match3'");
                }

                int checkpointID = dataStore.GetCheckpointID("Current");
                query.Append(" AND R.CheckpointID = " + checkpointID);

                query.Replace(", FROM", " FROM"); // get rid of the last comma
                query.Replace("I.'SimulationID' AS 'Observed.SimulationID', R.'SimulationID' AS 'Predicted.SimulationID'", "I.'SimulationID' AS 'SimulationID'");

                query = query.Replace("@match1", FieldNameUsedForMatch);
                query = query.Replace("@match2", FieldName2UsedForMatch);
                query = query.Replace("@match3", FieldName3UsedForMatch);

                if (Parent is Folder)
                {
                    // Limit it to particular simulations in scope.
                    List <string> simulationNames = new List <string>();
                    foreach (Experiment experiment in Apsim.FindAll(this, typeof(Experiment)))
                    {
                        simulationNames.AddRange(experiment.GetSimulationNames());
                    }
                    foreach (Simulation simulation in Apsim.FindAll(this, typeof(Simulation)))
                    {
                        if (!(simulation.Parent is Experiment))
                        {
                            simulationNames.Add(simulation.Name);
                        }
                    }

                    query.Append(" AND I.SimulationID in (");
                    foreach (string simulationName in simulationNames)
                    {
                        if (simulationName != simulationNames[0])
                        {
                            query.Append(',');
                        }
                        query.Append(dataStore.GetSimulationID(simulationName));
                    }
                    query.Append(")");
                }

                DataTable predictedObservedData = dataStore.RunQuery(query.ToString());

                if (predictedObservedData != null)
                {
                    predictedObservedData.TableName = this.Name;
                    dataStore.WriteTable(predictedObservedData);

                    List <string> unitFieldNames = new List <string>();
                    List <string> unitNames      = new List <string>();

                    // write units to table.
                    foreach (string fieldName in commonCols)
                    {
                        string units = dataStore.GetUnits(PredictedTableName, fieldName);
                        if (units != null && units != "()")
                        {
                            string unitsMinusBrackets = units.Replace("(", "").Replace(")", "");
                            unitFieldNames.Add("Predicted." + fieldName);
                            unitNames.Add(unitsMinusBrackets);
                            unitFieldNames.Add("Observed." + fieldName);
                            unitNames.Add(unitsMinusBrackets);
                        }
                    }
                    if (unitNames.Count > 0)
                    {
                        dataStore.AddUnitsForTable(Name, unitFieldNames, unitNames);
                    }
                }

                else
                {
                    // Determine what went wrong.
                    DataTable predictedData = dataStore.RunQuery("SELECT * FROM " + PredictedTableName);
                    DataTable observedData  = dataStore.RunQuery("SELECT * FROM " + ObservedTableName);
                    if (predictedData == null || predictedData.Rows.Count == 0)
                    {
                        throw new Exception(Name + ": Cannot find any predicted data.");
                    }
                    else if (observedData == null || observedData.Rows.Count == 0)
                    {
                        throw new Exception(Name + ": Cannot find any observed data in node: " + ObservedTableName + ". Check for missing observed file or move " + ObservedTableName + " to top of child list under DataStore (order is important!)");
                    }
                    else
                    {
                        throw new Exception(Name + ": Observed data was found but didn't match the predicted values. Make sure the values in the SimulationName column match the simulation names in the user interface. Also ensure column names in the observed file match the APSIM report column names.");
                    }
                }
            }
        }