Пример #1
0
        private bool FoundModeWithName(string name, IModeChoiceNode mode)
        {
            if (mode.ModeName == name)
            {
                return(true);
            }
            var cat = mode as IModeCategory;

            if (cat != null)
            {
                var children = cat.Children;
                if (children == null)
                {
                    return(false);
                }
                var length = children.Count;
                for (int i = 0; i < length; i++)
                {
                    if (FoundModeWithName(name, children[i]))
                    {
                        return(true);
                    }
                }
            }
            return(false);
        }
Пример #2
0
        private TreeData <float[][]> GetAutoModeData(TreeData <float[][]> tree, IModeChoiceNode mode)
        {
            if (mode.ModeName == AutoModeName)
            {
                return(tree);
            }
            var cat = mode as IModeCategory;

            if (cat == null)
            {
                return(null);
            }
            var treeChildren = tree.Children;
            var modeChildren = cat.Children;

            // make sure that it actually contains children first
            if (treeChildren == null | modeChildren == null)
            {
                return(null);
            }
            for (int i = 0; i < treeChildren.Length; i++)
            {
                var temp = GetAutoModeData(treeChildren[i], modeChildren[i]);
                if (temp != null)
                {
                    return(temp);
                }
            }
            return(null);
        }
Пример #3
0
 private void WriteModeSplit(TreeData <float[][]> split, IModeChoiceNode modeNode, string directoryName)
 {
     if (!Directory.Exists(directoryName))
     {
         Directory.CreateDirectory(directoryName);
     }
     using (StreamWriter writer = new StreamWriter(Path.Combine(directoryName, modeNode.ModeName + ".csv")))
     {
         var header = true;
         var zones  = this.Root.ZoneSystem.ZoneArray.GetFlatData();
         for (int i = 0; i < zones.Length; i++)
         {
             var first = true;
             if (header)
             {
                 header = false;
                 for (int j = 0; j < zones.Length; j++)
                 {
                     if (first)
                     {
                         first = false;
                         writer.Write("Zones O\\D,");
                         writer.Write(zones[j].ZoneNumber);
                     }
                     else
                     {
                         writer.Write(',');
                         writer.Write(j);
                     }
                 }
                 writer.WriteLine();
                 first = true;
             }
             for (int j = 0; j < zones.Length; j++)
             {
                 var s = split.Result[i][j];
                 if (first)
                 {
                     first = false;
                     writer.Write(i);
                     writer.Write(',');
                     writer.Write(s);
                 }
                 else
                 {
                     writer.Write(',');
                     writer.Write(s);
                 }
             }
             writer.WriteLine();
         }
     }
     if (split.Children != null)
     {
         for (int i = 0; i < split.Children.Length; i++)
         {
             WriteModeSplit(split.Children[i], ((IModeCategory)modeNode).Children[i], directoryName);
         }
     }
 }
Пример #4
0
        private bool GatherUtility(TreeData <float[]> treeData, IModeChoiceNode node, int o, int d, IZone[] zones)
        {
            var cat   = node as IModeCategory;
            int index = o * zones.Length + d;

            if (!node.Feasible(zones[o], zones[d], SimulationTime))
            {
                treeData.Result[index] = float.NaN;
                return(false);
            }
            if (cat == null)
            {
                treeData.Result[index] = node.CurrentlyFeasible > 0 ? (float)Math.Exp(node.CalculateV(zones[o], zones[d], SimulationTime)) : float.NaN;
                return(!float.IsNaN(treeData.Result[index]));
            }
            else if (cat.Correlation > 0)
            {
                bool  hasAlternatives = false;
                float totalUtility    = 0;
                var   treeChildren    = treeData.Children;
                var   catChildren     = cat.Children;
                for (int i = 0; i < treeData.Children.Length; i++)
                {
                    if (GatherUtility(treeChildren[i], catChildren[i], o, d, zones))
                    {
                        hasAlternatives = true;
                        totalUtility   += treeChildren[i].Result[index];
                    }
                }
                if (hasAlternatives)
                {
                    if (totalUtility >= this.MinLogSumToE)
                    {
                        var localUtility = cat.CalculateCombinedV(zones[o], zones[d], SimulationTime);
                        if (cat.Correlation == 1f)
                        {
                            if (localUtility == 0f)
                            {
                                treeData.Result[index] = (float)(totalUtility);
                            }
                            else
                            {
                                treeData.Result[index] = (float)(totalUtility * Math.Exp(localUtility));
                            }
                        }
                        else
                        {
                            treeData.Result[index] = (float)(Math.Pow(totalUtility, cat.Correlation) * Math.Exp(localUtility));
                        }
                        return(true);
                    }
                }
            }
            treeData.Result[index] = float.NaN;
            return(false);
        }
Пример #5
0
 internal void Apply(IModeChoiceNode mode, int parameterIndex)
 {
     if (Field != null)
     {
         Field.SetValue(mode, Values[parameterIndex]);
     }
     else
     {
         Property.SetValue(mode, Values[parameterIndex], null);
     }
 }
Пример #6
0
 private static void CreateMirroredTree <T>(TreeData <T> node, IModeChoiceNode mode)
 {
     if (mode is IModeCategory asCat && asCat.Children != null)
     {
         node.Children = new TreeData <T> [asCat.Children.Count];
         for (int j = 0; j < node.Children.Length; j++)
         {
             node.Children[j] = new TreeData <T>();
             CreateMirroredTree(node.Children[j], asCat.Children[j]);
         }
     }
 }
Пример #7
0
 private void WriteHeader(StreamWriter writer, IModeChoiceNode mode)
 {
     writer.Write(mode.ModeName);
     if (mode is IModeCategory cat)
     {
         foreach (var child in cat.Children)
         {
             writer.Write(',');
             WriteHeader(writer, child);
         }
     }
 }
Пример #8
0
        private bool StoreProperty(IModeChoiceNode selectedMode, string parameterName, out FieldInfo field, out PropertyInfo property)
        {
            // Search for a field or property that has an attribute with this name
            field    = null;
            property = null;
            var modeType = selectedMode.GetType();

            foreach (var f in modeType.GetProperties())
            {
                // search the attributes
                var attributes = f.GetCustomAttributes(true);
                foreach (var at in attributes)
                {
                    // if we find an attribute from XTMF
                    ParameterAttribute parameter;
                    if ((parameter = (at as ParameterAttribute)) != null)
                    {
                        // Check to see if this is our parameter
                        if (parameter.Name == parameterName)
                        {
                            property = f;
                            return(true);
                        }
                    }
                }
            }
            foreach (var f in modeType.GetFields())
            {
                // search the attributes
                var attributes = f.GetCustomAttributes(true);
                foreach (var at in attributes)
                {
                    // if we find an attribute from XTMF
                    ParameterAttribute parameter;
                    if ((parameter = (at as ParameterAttribute)) != null)
                    {
                        // Check to see if this is our parameter
                        if (parameter.Name == parameterName)
                        {
                            field = f;
                            return(true);
                        }
                    }
                }
            }
            if (!IgnoreBadParameters)
            {
                // If we get here then we did not find it!
                throw new XTMFRuntimeException(this, "We were unable to find a parameter with the name \"" + parameterName + "\" in the mode " + selectedMode.ModeName);
            }
            return(false);
        }
Пример #9
0
        private bool LinkMode(string modeName, out IModeChoiceNode mode)
        {
            var modes  = this.Root.Modes;
            var length = modes.Count;

            for (int i = 0; i < length; i++)
            {
                if (LinkMode(modeName, modes[i], out mode))
                {
                    return(true);
                }
            }
            mode = null;
            return(false);
        }
Пример #10
0
        private int GetNumberOfModes(IModeChoiceNode node)
        {
            var cat   = node as IModeCategory;
            var total = 1;

            if (cat != null)
            {
                var children = cat.Children;
                var length   = children.Count;
                for (int i = 0; i < length; i++)
                {
                    total += GetNumberOfModes(children[i]);
                }
            }
            return(total);
        }
Пример #11
0
        private void WriteModeSplit(TreeData <float[][]> split, IModeChoiceNode modeNode, string directoryName)
        {
            if (!Directory.Exists(directoryName))
            {
                Directory.CreateDirectory(directoryName);
            }
            Task writeTask = new Task(delegate()
            {
                using (StreamWriter writer = new StreamWriter(Path.Combine(directoryName, modeNode.ModeName + ".csv")))
                {
                    var header = true;
                    var zones  = this.Root.ZoneSystem.ZoneArray.GetFlatData();
                    for (int i = 0; i < zones.Length; i++)
                    {
                        if (header)
                        {
                            header = false;
                            writer.Write("Zones O\\D");
                            for (int j = 0; j < zones.Length; j++)
                            {
                                writer.Write(',');
                                writer.Write(zones[j].ZoneNumber);
                            }
                            writer.WriteLine();
                        }
                        var row = split.Result == null ? null : split.Result[i];
                        writer.Write(zones[i].ZoneNumber);
                        for (int j = 0; j < zones.Length; j++)
                        {
                            writer.Write(',');
                            writer.Write(row == null ? 0 : row[j]);
                        }
                        writer.WriteLine();
                    }
                }
            });

            writeTask.Start();
            if (split.Children != null)
            {
                for (int i = 0; i < split.Children.Length; i++)
                {
                    WriteModeSplit(split.Children[i], ((IModeCategory)modeNode).Children[i], directoryName);
                }
            }
            writeTask.Wait();
        }
Пример #12
0
        protected virtual bool LinkModeParameter(ref string error)
        {
            IModeChoiceNode mode = this.Parent.Mode;

            this.AssignTo = this.Parent.Mode;
            if (mode == null)
            {
                error = "In '" + this.Parent.Name + "' it failed to present a mode for '" + this.Name + "'!";
                return(false);
            }
            var modeType      = mode.GetType();
            var parameterType = typeof(ParameterAttribute);

            foreach (var field in modeType.GetFields())
            {
                var attributes = field.GetCustomAttributes(parameterType, true);
                if (attributes != null)
                {
                    for (int i = 0; i < attributes.Length; i++)
                    {
                        if ((attributes[i] as ParameterAttribute).Name == this.ModeParameterName)
                        {
                            this.Field = field;
                            return(true);
                        }
                    }
                }
            }

            foreach (var field in modeType.GetProperties())
            {
                var attributes = field.GetCustomAttributes(parameterType, true);
                if (attributes != null)
                {
                    for (int i = 0; i < attributes.Length; i++)
                    {
                        if ((attributes[i] as ParameterAttribute).Name == this.ModeParameterName)
                        {
                            this.Property = field;
                            return(true);
                        }
                    }
                }
            }
            error = "We were unable to find a parameter in the mode '" + mode.ModeName + "' called '" + this.ModeParameterName + "'!";
            return(false);
        }
Пример #13
0
        protected void WriteModeSplit(TreeData <float[]> split, IModeChoiceNode modeNode, string directoryName)
        {
            Task writeTask = new Task(delegate
            {
                if (split.Result != null)
                {
                    using (StreamWriter writer = new StreamWriter(Path.Combine(directoryName, modeNode.ModeName + ".csv")))
                    {
                        var header = true;
                        var zones  = Root.ZoneSystem.ZoneArray.GetFlatData();
                        var data   = split.Result;
                        for (int i = 0; i < zones.Length; i++)
                        {
                            if (header)
                            {
                                header = false;
                                writer.Write("Zones O\\D");
                                for (int j = 0; j < zones.Length; j++)
                                {
                                    writer.Write(',');
                                    writer.Write(zones[j].ZoneNumber);
                                }
                                writer.WriteLine();
                            }
                            writer.Write(zones[i].ZoneNumber);
                            for (int j = 0; j < zones.Length; j++)
                            {
                                writer.Write(',');
                                writer.Write(data[i * zones.Length + j]);
                            }
                            writer.WriteLine();
                        }
                    }
                }
            });

            writeTask.Start();
            if (split.Children != null)
            {
                for (int i = 0; i < split.Children.Length; i++)
                {
                    WriteModeSplit(split.Children[i], ((IModeCategory)modeNode).Children[i], directoryName);
                }
            }
            writeTask.Wait();
        }
Пример #14
0
        private bool GatherAllUtility(IModeChoiceNode node, IZone o, IZone d, out float utility)
        {
            var cat = node as IModeCategory;

            if (cat == null)
            {
                if (node.Feasible(o, d, SimulationTime))
                {
                    utility = (float)Math.Exp(node.CalculateV(o, d, SimulationTime));
                    return(!float.IsNaN(utility));
                }
            }
            else
            {
                // check to make sure that we are feasible
                if (!node.Feasible(o, d, SimulationTime))
                {
                    utility = 0f;
                    return(false);
                }
                // if we are feasible then go through and get the utility of our children
                float totalUtility        = 0f;
                var   length              = cat.Children.Count;
                bool  anyChildrenFeasible = false;
                for (int i = 0; i < length; i++)
                {
                    float res;
                    if (GatherAllUtility(cat.Children[i], o, d, out res))
                    {
                        anyChildrenFeasible = true;
                        totalUtility       += res;
                    }
                }
                if (anyChildrenFeasible)
                {
                    utility = (float)(Math.Pow(totalUtility, cat.Correlation)
                                      * Math.Exp(cat.CalculateCombinedV(o, d, SimulationTime)));
                    return(true);
                }
            }
            // if we got here then there were no feasible alternatives
            utility = 0f;
            return(false);
        }
Пример #15
0
 protected void WriteModeSplit(TreeData <float[][]> split, IModeChoiceNode modeNode, string directoryName)
 {
     if (!Directory.Exists(directoryName))
     {
         Directory.CreateDirectory(directoryName);
     }
     if (split.Result != null)
     {
         var zones = Root.ZoneSystem.ZoneArray.GetFlatData();
         Functions.SaveData.SaveMatrix(zones, split.Result, Path.Combine(directoryName, modeNode.ModeName + ".csv"));
     }
     if (split.Children != null)
     {
         for (int i = 0; i < split.Children.Length; i++)
         {
             WriteModeSplit(split.Children[i], ((IModeCategory)modeNode).Children[i], directoryName);
         }
     }
 }
Пример #16
0
 private bool FindOurMode(IModeChoiceNode node)
 {
     if (node.ModeName == ModeName)
     {
         _Mode = node;
         return(true);
     }
     if (node is IModeCategory cat)
     {
         for (int i = 0; i < cat.Children.Count; i++)
         {
             if (FindOurMode(cat))
             {
                 return(true);
             }
         }
     }
     return(false);
 }
Пример #17
0
 private bool GetModeIndex(string trimmed, IModeChoiceNode node, ref int index)
 {
     if (node.ModeName == trimmed)
     {
         return(true);
     }
     index++;
     if (node is IModeCategory cat)
     {
         var length = cat.Children.Count;
         for (int i = 0; i < length; i++)
         {
             if (GetModeIndex(trimmed, cat.Children[i], ref index))
             {
                 return(true);
             }
         }
     }
     return(false);
 }
Пример #18
0
            private bool FindOurMode(IModeChoiceNode node)
            {
                if (node.ModeName == this.ModeName)
                {
                    this._Mode = node;
                    return(true);
                }
                var cat = node as IModeCategory;

                if (cat != null)
                {
                    for (int i = 0; i < cat.Children.Count; i++)
                    {
                        if (FindOurMode(cat))
                        {
                            return(true);
                        }
                    }
                }
                return(false);
            }
Пример #19
0
 private IModeChoiceNode GetMode(ref int current, int index, IModeChoiceNode mode)
 {
     if (current == index)
     {
         return(mode);
     }
     current++;
     if (mode is IModeCategory cat)
     {
         var length = cat.Children.Count;
         for (int i = 0; i < length; i++)
         {
             var m = GetMode(ref current, index, cat.Children[i]);
             if (m != null)
             {
                 return(m);
             }
         }
     }
     return(null);
 }
Пример #20
0
 private bool AttachMode(string modeName, ref IMode mode, IModeChoiceNode current)
 {
     // ReSharper disable once SuspiciousTypeConversion.Global
     if (mode is IModeCategory cat)
     {
         foreach (var m in Root.Modes)
         {
             if (AttachMode(modeName, ref mode, m))
             {
                 return(true);
             }
         }
     }
     else
     {
         if (modeName == current.ModeName)
         {
             return(current is IMode);
         }
     }
     return(false);
 }
Пример #21
0
 private bool LinkModeName(string p, IModeChoiceNode current)
 {
     if (current.ModeName == p)
     {
         return(true);
     }
     if (current is IModeCategory cat)
     {
         var modes  = cat.Children;
         var length = modes.Count;
         for (int i = 0; i < length; i++)
         {
             if (LinkModeName(p, modes[i]))
             {
                 // insert at the front
                 AutoDrivePath.Insert(0, i);
                 return(true);
             }
         }
     }
     return(false);
 }
Пример #22
0
 private bool LinkMode(string modeName, IModeChoiceNode current, out IModeChoiceNode mode)
 {
     if (current.ModeName == modeName)
     {
         mode = current;
         return(true);
     }
     if (current is IModeCategory cat)
     {
         var modes  = cat.Children;
         var length = modes.Count;
         for (int i = 0; i < length; i++)
         {
             if (LinkMode(modeName, modes[i], out mode))
             {
                 return(true);
             }
         }
     }
     mode = null;
     return(false);
 }
Пример #23
0
        private bool AttachMode(string modeName, ref IMode mode, IModeChoiceNode current)
        {
            var cat = mode as IModeCategory;

            if (cat != null)
            {
                foreach (var m in this.Root.Modes)
                {
                    if (AttachMode(modeName, ref mode, m))
                    {
                        return(true);
                    }
                }
            }
            else
            {
                if (modeName == current.ModeName)
                {
                    mode = current as IMode;
                    return(mode != null);
                }
            }
            return(false);
        }
Пример #24
0
 private bool LinkMode(string modeName, out IModeChoiceNode mode)
 {
     var modes = this.Root.Modes;
     var length = modes.Count;
     for ( int i = 0; i < length; i++ )
     {
         if ( LinkMode( modeName, modes[i], out mode ) )
         {
             return true;
         }
     }
     mode = null;
     return false;
 }
Пример #25
0
 internal void Apply(IModeChoiceNode mode, int parameterIndex)
 {
     if ( this.Field != null )
     {
         this.Field.SetValue( mode, Values[parameterIndex] );
     }
     else
     {
         this.Property.SetValue( mode, Values[parameterIndex], null );
     }
 }
Пример #26
0
 private bool GatherAllUtility(IModeChoiceNode node, IZone o, IZone d, out float utility)
 {
     var cat = node as IModeCategory;
     if ( cat == null )
     {
         if ( node.Feasible( o, d, SimulationTime ) )
         {
             utility = (float)Math.Exp( node.CalculateV( o, d, SimulationTime ) );
             return !float.IsNaN( utility );
         }
     }
     else
     {
         // check to make sure that we are feasible
         if ( !node.Feasible( o, d, SimulationTime ) )
         {
             utility = 0f;
             return false;
         }
         // if we are feasible then go through and get the utility of our children
         float totalUtility = 0f;
         var length = cat.Children.Count;
         bool anyChildrenFeasible = false;
         for ( int i = 0; i < length; i++ )
         {
             float res;
             if ( GatherAllUtility( cat.Children[i], o, d, out res ) )
             {
                 anyChildrenFeasible = true;
                 totalUtility += res;
             }
         }
         if ( anyChildrenFeasible )
         {
             utility = (float)( Math.Pow( totalUtility, cat.Correlation )
                 * Math.Exp( cat.CalculateCombinedV( o, d, SimulationTime ) ) );
             return true;
         }
     }
     // if we got here then there were no feasible alternatives
     utility = 0f;
     return false;
 }
Пример #27
0
 private bool LinkMode(string modeName, IModeChoiceNode current, out IModeChoiceNode mode)
 {
     if ( current.ModeName == modeName )
     {
         mode = current;
         return true;
     }
     var cat = current as IModeCategory;
     if ( cat != null )
     {
         var modes = cat.Children;
         var length = modes.Count;
         for ( int i = 0; i < length; i++ )
         {
             if ( LinkMode( modeName, modes[i], out mode ) )
             {
                 return true;
             }
         }
     }
     mode = null;
     return false;
 }
Пример #28
0
 private bool FindOurMode(IModeChoiceNode node)
 {
     if ( node.ModeName == this.ModeName )
     {
         this._Mode = node;
         return true;
     }
     var cat = node as IModeCategory;
     if ( cat != null )
     {
         for ( int i = 0; i < cat.Children.Count; i++ )
         {
             if ( FindOurMode( cat ) )
             {
                 return true;
             }
         }
     }
     return false;
 }
Пример #29
0
 private void ProcessMode(TreeData<float[][]> treeData, int i, int j, float flow, IModeChoiceNode node, int matrixNumber)
 {
     var cat = node as IModeCategory;
     if ( cat != null )
     {
         // then go 1 level deeper
         for ( int m = cat.Children.Count - 1; m >= 0; m-- )
         {
             ProcessMode( treeData.Children[m], i, j, flow, cat.Children[m], matrixNumber );
         }
         // then sum
         var sum = 0f;
         for ( int m = cat.Children.Count - 1; m >= 0; m-- )
         {
             var res = treeData.Children[m].Result;
             if ( res == null || res[i] == null ) continue;
             sum += res[i][j];
         }
         SetData( treeData.Result, i, j, sum );
     }
     else
     {
         for ( int dataIndex = 0; dataIndex < this.Data.Count; dataIndex++ )
         {
             if ( this.Data[dataIndex].Mode == node )
             {
                 var zones = this.Root.ZoneSystem.ZoneArray.GetFlatData();
                 var data = this.Data[dataIndex].Data;
                 if ( data == null )
                 {
                     throw new XTMFRuntimeException( "In '" + this.Name + "' we tried to access the data for mode split from mode '" + this.Data[dataIndex].ModeName + "' however it was not initialized!" );
                 }
                 if ( treeData.Result == null )
                 {
                     lock ( treeData )
                     {
                         Thread.MemoryBarrier();
                         if ( treeData.Result == null )
                         {
                             treeData.Result = new float[zones.Length][];
                         }
                     }
                 }
                 SetData( treeData.Result, i, j, flow * data.GetDataFrom( zones[i].ZoneNumber, zones[j].ZoneNumber, matrixNumber ) );
             }
         }
     }
 }
Пример #30
0
 private TreeData<float[][]> GetAutoModeData(TreeData<float[][]> tree, IModeChoiceNode mode)
 {
     if ( mode.ModeName == this.AutoModeName )
     {
         return tree;
     }
     else
     {
         var cat = mode as IModeCategory;
         if ( cat == null )
         {
             return null;
         }
         var treeChildren = tree.Children;
         var modeChildren = cat.Children;
         // make sure that it actually contains children first
         if ( treeChildren == null | modeChildren == null )
         {
             return null;
         }
         for ( int i = 0; i < treeChildren.Length; i++ )
         {
             var temp = GetAutoModeData( treeChildren[i], modeChildren[i] );
             if ( temp != null )
             {
                 return temp;
             }
         }
     }
     return null;
 }
Пример #31
0
 private bool StoreProperty(IModeChoiceNode selectedMode, string parameterName, out FieldInfo field, out PropertyInfo property)
 {
     // Search for a field or property that has an attribute with this name
     field = null;
     property = null;
     var modeType = selectedMode.GetType();
     foreach ( var f in modeType.GetProperties() )
     {
         // search the attributes
         var attributes = f.GetCustomAttributes( true );
         foreach ( var at in attributes )
         {
             // if we find an attribute from XTMF
             ParameterAttribute parameter;
             if ( ( parameter = ( at as XTMF.ParameterAttribute ) ) != null )
             {
                 // Check to see if this is our parameter
                 if ( parameter.Name == parameterName )
                 {
                     property = f;
                     return true;
                 }
             }
         }
     }
     foreach ( var f in modeType.GetFields() )
     {
         // search the attributes
         var attributes = f.GetCustomAttributes( true );
         foreach ( var at in attributes )
         {
             // if we find an attribute from XTMF
             ParameterAttribute parameter;
             if ( ( parameter = ( at as XTMF.ParameterAttribute ) ) != null )
             {
                 // Check to see if this is our parameter
                 if ( parameter.Name == parameterName )
                 {
                     field = f;
                     return true;
                 }
             }
         }
     }
     if ( !IgnoreBadParameters )
     {
         // If we get here then we did not find it!
         throw new XTMFRuntimeException( "We were unable to find a parameter with the name \"" + parameterName + "\" in the mode " + selectedMode.ModeName );
     }
     return false;
 }
Пример #32
0
 private bool GatherUtility(TreeData<float> treeData, IModeChoiceNode node, int o, int d, IZone[] zones)
 {
     var cat = node as IModeCategory;
     treeData.Result = float.NaN;
     if ( !node.Feasible( zones[o], zones[d], SimulationTime ) )
     {
         treeData.Result = float.NaN;
         return false;
     }
     if ( cat == null )
     {
         treeData.Result = ( node.CurrentlyFeasible > 0 ? (float)Math.Exp( node.CalculateV( zones[o], zones[d], SimulationTime ) ) : float.NaN );
         return !float.IsNaN( treeData.Result );
     }
     else if ( cat.CurrentlyFeasible > 0 )
     {
         bool hasAlternatives = false;
         float totalUtility = 0;
         var treeChildren = treeData.Children;
         var catChildren = cat.Children;
         for ( int i = 0; i < treeData.Children.Length; i++ )
         {
             if ( GatherUtility( treeChildren[i], catChildren[i], o, d, zones ) )
             {
                 hasAlternatives = true;
                 totalUtility += treeChildren[i].Result;
             }
         }
         if ( hasAlternatives )
         {
             if ( totalUtility >= this.MinLogSumToE )
             {
                 var localUtility = cat.CalculateCombinedV( zones[o], zones[d], SimulationTime );
                 treeData.Result = (float)( Math.Pow( totalUtility, cat.Correlation ) * Math.Exp( localUtility ) );
                 return true;
             }
         }
     }
     treeData.Result = float.NaN;
     return false;
 }
Пример #33
0
 private bool GetModeIndex(string trimmed, IModeChoiceNode node, ref int index)
 {
     if ( node.ModeName == trimmed )
     {
         return true;
     }
     index++;
     var cat = node as IModeCategory;
     if ( cat != null )
     {
         var length = cat.Children.Count;
         for ( int i = 0; i < length; i++ )
         {
             if ( GetModeIndex( trimmed, cat.Children[i], ref index ) )
             {
                 return true;
             }
         }
     }
     return false;
 }
Пример #34
0
 private void WriteModeSplit(TreeData<float[][]> split, IModeChoiceNode modeNode, string directoryName)
 {
     if ( !Directory.Exists( directoryName ) )
     {
         Directory.CreateDirectory( directoryName );
     }
     Task writeTask = new Task( delegate()
         {
             using ( StreamWriter writer = new StreamWriter( Path.Combine( directoryName, modeNode.ModeName + ".csv" ) ) )
             {
                 var header = true;
                 var zones = this.Root.ZoneSystem.ZoneArray.GetFlatData();
                 for ( int i = 0; i < zones.Length; i++ )
                 {
                     if ( header )
                     {
                         header = false;
                         writer.Write( "Zones O\\D" );
                         for ( int j = 0; j < zones.Length; j++ )
                         {
                             writer.Write( ',' );
                             writer.Write( zones[j].ZoneNumber );
                         }
                         writer.WriteLine();
                     }
                     var row = split.Result == null ? null : split.Result[i];
                     writer.Write( zones[i].ZoneNumber );
                     for ( int j = 0; j < zones.Length; j++ )
                     {
                         writer.Write( ',' );
                         writer.Write( row == null ? 0 : row[j] );
                     }
                     writer.WriteLine();
                 }
             }
         } );
     writeTask.Start();
     if ( split.Children != null )
     {
         for ( int i = 0; i < split.Children.Length; i++ )
         {
             WriteModeSplit( split.Children[i], ( (IModeCategory)modeNode ).Children[i], directoryName );
         }
     }
     writeTask.Wait();
 }
Пример #35
0
 private bool LinkModeName(string p, IModeChoiceNode current)
 {
     if ( current.ModeName == p )
     {
         return true;
     }
     var cat = current as IModeCategory;
     if ( cat != null )
     {
         var modes = cat.Children;
         var length = modes.Count;
         for ( int i = 0; i < length; i++ )
         {
             if ( LinkModeName( p, modes[i] ) )
             {
                 // insert at the front
                 this.AutoDrivePath.Insert( 0, i );
                 return true;
             }
         }
     }
     return false;
 }
Пример #36
0
 private bool FoundModeWithName(string name, IModeChoiceNode mode)
 {
     if ( mode.ModeName == name ) return true;
     var cat = mode as IModeCategory;
     if ( cat != null )
     {
         var children = cat.Children;
         if ( children == null ) return false;
         var length = children.Count;
         for ( int i = 0; i < length; i++ )
         {
             if ( FoundModeWithName( name, children[i] ) ) return true;
         }
     }
     return false;
 }
Пример #37
0
 private IModeChoiceNode GetMode(ref int current, int index, IModeChoiceNode mode)
 {
     if ( current == index )
     {
         return mode;
     }
     current++;
     var cat = mode as IModeCategory;
     if ( cat != null )
     {
         var length = cat.Children.Count;
         for ( int i = 0; i < length; i++ )
         {
             var m = GetMode( ref current, index, cat.Children[i] );
             if ( m != null )
             {
                 return m;
             }
         }
     }
     return null;
 }
Пример #38
0
 private void ProcessMode(TreeData <float[][]> treeData, int i, int j, float flow, IModeChoiceNode node, int matrixNumber)
 {
     if (node is IModeCategory cat)
     {
         // then go 1 level deeper
         for (int m = cat.Children.Count - 1; m >= 0; m--)
         {
             ProcessMode(treeData.Children[m], i, j, flow, cat.Children[m], matrixNumber);
         }
         // then sum
         var sum = 0f;
         for (int m = cat.Children.Count - 1; m >= 0; m--)
         {
             var res = treeData.Children[m].Result;
             if (res == null || res[i] == null)
             {
                 continue;
             }
             sum += res[i][j];
         }
         SetData(treeData.Result, i, j, sum);
     }
     else
     {
         for (int dataIndex = 0; dataIndex < Data.Count; dataIndex++)
         {
             if (Data[dataIndex].Mode == node)
             {
                 var zones = Root.ZoneSystem.ZoneArray.GetFlatData();
                 var data  = Data[dataIndex].Data;
                 if (data == null)
                 {
                     throw new XTMFRuntimeException(this, "In '" + Name + "' we tried to access the data for mode split from mode '" + Data[dataIndex].ModeName + "' however it was not initialized!");
                 }
                 if (treeData.Result == null)
                 {
                     lock (treeData)
                     {
                         Thread.MemoryBarrier();
                         if (treeData.Result == null)
                         {
                             treeData.Result = new float[zones.Length][];
                         }
                     }
                 }
                 SetData(treeData.Result, i, j, flow * data.GetDataFrom(zones[i].ZoneNumber, zones[j].ZoneNumber, matrixNumber));
             }
         }
     }
 }
Пример #39
0
 private void WriteModeSplit(TreeData<float[][]> split, IModeChoiceNode modeNode, string directoryName)
 {
     if ( !Directory.Exists( directoryName ) )
     {
         Directory.CreateDirectory( directoryName );
     }
     using ( StreamWriter writer = new StreamWriter( Path.Combine( directoryName, modeNode.ModeName + ".csv" ) ) )
     {
         var header = true;
         var zones = this.Root.ZoneSystem.ZoneArray.GetFlatData();
         for(int i = 0; i < zones.Length; i++)
         {
             var first = true;
             if ( header )
             {
                 header = false;
                 for(int j = 0; j < zones.Length; j++)
                 {
                     if ( first )
                     {
                         first = false;
                         writer.Write( "Zones O\\D," );
                         writer.Write( zones[j].ZoneNumber );
                     }
                     else
                     {
                         writer.Write( ',' );
                         writer.Write( j );
                     }
                 }
                 writer.WriteLine();
                 first = true;
             }
             for ( int j = 0; j < zones.Length; j++ )
             {
                 var s = split.Result[i][j];
                 if ( first )
                 {
                     first = false;
                     writer.Write( i );
                     writer.Write( ',' );
                     writer.Write( s );
                 }
                 else
                 {
                     writer.Write( ',' );
                     writer.Write( s );
                 }
             }
             writer.WriteLine();
         }
     }
     if ( split.Children != null )
     {
         for ( int i = 0; i < split.Children.Length; i++ )
         {
             WriteModeSplit( split.Children[i], ( (IModeCategory)modeNode ).Children[i], directoryName );
         }
     }
 }
Пример #40
0
 private bool AttachMode(string modeName, ref IMode mode, IModeChoiceNode current)
 {
     var cat = mode as IModeCategory;
     if ( cat != null )
     {
         foreach ( var m in this.Root.Modes )
         {
             if ( AttachMode( modeName, ref mode, m ) )
             {
                 return true;
             }
         }
     }
     else
     {
         if ( modeName == current.ModeName )
         {
             mode = current as IMode;
             return ( mode != null );
         }
     }
     return false;
 }