Exemple #1
0
        private void ProcessEE(SparseTriIndex <float> distribution, SparseArray <float> population, SparseArray <float> employment)
        {
            var indexes = population.ValidIndexArray();

            Parallel.For(0, indexes.Length, delegate(int i)
            {
                var zones       = this.Root.ZoneSystem.ZoneArray;
                var origin      = indexes[i];
                var originTotal = population[origin] + employment[origin];
                var originZone  = zones[origin];
                // The factor to apply to the distribution to map it to the results
                var factor = originTotal / (originZone.Population + originZone.Employment);
                if (originTotal <= 0 | originZone.RegionNumber > 0 | float.IsInfinity(factor))
                {
                    return;
                }
                var originIndex   = zones.GetFlatIndex(origin);
                var numberOfZones = zones.GetFlatData().Length;
                foreach (var destination in distribution.ValidIndexes(origin))
                {
                    var destinationIndex = zones.GetFlatIndex(destination);
                    // do not process EE trips
                    if (zones[destination].RegionNumber != 0)
                    {
                        continue;
                    }
                    foreach (var mode in distribution.ValidIndexes(origin, destination))
                    {
                        var ammount = distribution[origin, destination, mode] * factor;
                        AddData(mode, originIndex, destinationIndex, ammount, numberOfZones);
                    }
                }
            });
        }
Exemple #2
0
        private void Save(int layerIndex, float[][] flatData, SparseTriIndex <float> data)
        {
            var origins = data.ValidIndexes(layerIndex).ToArray();

            // if there is no data there is nothing to save!
            if (origins.Length <= 0)
            {
                return;
            }
            var destinations = data.ValidIndexes(origins[0]).ToArray();

            switch (FileFormat)
            {
            case FileFormats.MTX:
                SaveMTX(layerIndex, flatData, origins, destinations);
                return;

            case FileFormats.CSVThirdNormalized:
                SaveThirdNormalizedCSV(layerIndex, flatData, origins, destinations);
                return;

            case FileFormats.CSVSquare:
                SaveSquareMatrixToCSV(layerIndex, flatData, origins, destinations);
                return;

            default:
                throw new XTMFRuntimeException(this, "Unknown file format!");
            }
        }
Exemple #3
0
        private void ProcessExternalToInternal(SparseTriIndex <float> distribution, SparseArray <float> population)
        {
            var indexes = population.ValidIndexArray();

            Parallel.For(0, indexes.Length, delegate(int i)
            {
                var zones            = Root.ZoneSystem.ZoneArray;
                var zoneNumber       = indexes[i];
                var originPopulation = population[zoneNumber];
                var originZone       = zones[zoneNumber];
                var factor           = originPopulation / originZone.Population;
                if (originPopulation <= 0 | originZone.RegionNumber > 0 | float.IsInfinity(factor))
                {
                    return;
                }
                var originIndex = zones.GetFlatIndex(zoneNumber);
                // The factor to apply to the distribution to map it to the results

                var numberOfZones = zones.GetFlatData().Length;
                foreach (var destination in distribution.ValidIndexes(zoneNumber))
                {
                    var destinationIndex = zones.GetFlatIndex(destination);
                    // do not process EE trips
                    if (zones[destination].RegionNumber == 0)
                    {
                        continue;
                    }
                    foreach (var mode in distribution.ValidIndexes(zoneNumber, destination))
                    {
                        var ammount = distribution[zoneNumber, destination, mode] * factor;
                        AddData(mode, originIndex, destinationIndex, ammount, numberOfZones);
                    }
                }
            });
        }
Exemple #4
0
        private void Save(SparseTriIndex <float> data)
        {
            var layerIndex = data.ValidIndexes().ToArray();

            System.Threading.Tasks.Parallel.For(0, layerIndex.Length, (int i) =>
            {
                Save(layerIndex[i], data.GetFlatData()[i], data);
            });
        }
Exemple #5
0
        private void ProcessInternalToExternal(SparseTriIndex <float> distribution, SparseArray <float> employment)
        {
            var indexes = employment.ValidIndexArray();

            Parallel.For(0, indexes.Length, delegate(int i)
            {
                var zones                 = Root.ZoneSystem.ZoneArray;
                var destination           = indexes[i];
                var destinationEmployment = employment[destination];
                var destinationZone       = zones[destination];
                var factor                = destinationEmployment / destinationZone.Employment;
                if (destinationEmployment <= 0 | destinationZone.RegionNumber > 0 | float.IsInfinity(factor))
                {
                    return;
                }
                var destinationIndex = zones.GetFlatIndex(destination);
                // The factor to apply to the distribution to map it to the results
                var numberOfZones = zones.GetFlatData().Length;
                foreach (var origin in distribution.ValidIndexes())
                {
                    var originIndex = zones.GetFlatIndex(origin);
                    // do not process EE trips
                    if (zones[origin].RegionNumber == 0)
                    {
                        continue;
                    }
                    foreach (var mode in distribution.ValidIndexes(origin, destination))
                    {
                        var ammount = distribution[origin, destination, mode] * factor;
                        if (ammount <= 0)
                        {
                            continue;
                        }
                        AddData(mode, originIndex, destinationIndex, ammount, numberOfZones);
                    }
                }
            });
        }
Exemple #6
0
 private void ProcessIE(SparseTriIndex<float> distribution, SparseArray<float> employment)
 {
     var indexes = employment.ValidIndexArray();
     Parallel.For( 0, indexes.Length, delegate(int i)
     {
         var zones = this.Root.ZoneSystem.ZoneArray;
         var destination = indexes[i];
         var destinationEmployment = employment[destination];
         var destinationZone = zones[destination];
         var factor = destinationEmployment / destinationZone.Employment;
         if ( destinationEmployment <= 0 | destinationZone.RegionNumber > 0 | float.IsInfinity( factor ) )
         {
             return;
         }
         var destinationIndex = zones.GetFlatIndex( destination );
         // The factor to apply to the distribution to map it to the results
         var numberOfZones = zones.GetFlatData().Length;
         foreach ( var origin in distribution.ValidIndexes() )
         {
             var originIndex = zones.GetFlatIndex( origin );
             // do not process EE trips
             if ( zones[origin].RegionNumber == 0 )
             {
                 continue;
             }
             foreach ( var mode in distribution.ValidIndexes( origin, destination ) )
             {
                 var ammount = distribution[origin, destination, mode] * factor;
                 if ( ammount <= 0 )
                 {
                     continue;
                 }
                 AddData( mode, originIndex, destinationIndex, ammount, numberOfZones );
             }
         }
     } );
 }
Exemple #7
0
        private void ProcessEI(SparseTriIndex<float> distribution, SparseArray<float> population)
        {
            var indexes = population.ValidIndexArray();
            Parallel.For( 0, indexes.Length, delegate(int i)
            {
                var zones = this.Root.ZoneSystem.ZoneArray;
                var zoneNumber = indexes[i];
                var originPopulation = population[zoneNumber];
                var originZone = zones[zoneNumber];
                var factor = originPopulation / originZone.Population;
                if ( originPopulation <= 0 | originZone.RegionNumber > 0 | float.IsInfinity( factor ) )
                {
                    return;
                }
                var originIndex = zones.GetFlatIndex( zoneNumber );
                // The factor to apply to the distribution to map it to the results

                var numberOfZones = zones.GetFlatData().Length;
                foreach ( var destination in distribution.ValidIndexes( zoneNumber ) )
                {
                    var destinationIndex = zones.GetFlatIndex( destination );
                    // do not process EE trips
                    if ( zones[destination].RegionNumber == 0 )
                    {
                        continue;
                    }
                    foreach ( var mode in distribution.ValidIndexes( zoneNumber, destination ) )
                    {
                        var ammount = distribution[zoneNumber, destination, mode] * factor;
                        AddData( mode, originIndex, destinationIndex, ammount, numberOfZones );
                    }
                }
            } );
        }