Пример #1
0
        public Feature CreateZustandsabschnittFeature(ZustandsabschnittGIS zustandsabschnitt, Guid inspektionsrouteid)
        {
            Feature          zaFeature    = new Feature();
            IAttributesTable zaAttributes = new AttributesTable();

            zaFeature.Geometry = zustandsabschnitt.Shape;
            //ID
            zaAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.ZustandsabschnittID), zustandsabschnitt.Id.ToString());
            //StrassenabschnittID
            zaAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.StrassenabschnittGISID), zustandsabschnitt.StrassenabschnittGIS.Id.ToString());
            //inspektionsRouteID
            zaAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.InspektionsRouteID), inspektionsrouteid.ToString());
            //Zustandsindex
            //zaAttributes.AddAttribute(CheckOutGISDefaults.ZustandsIndex, zustandsabschnitt.Zustandsindex.ToString().Replace('.', ','));
            if (zustandsabschnitt.Zustandsindex != null)
            {
                zaAttributes.AddAttribute(CheckOutGISDefaults.ZustandsIndex, double.Parse(zustandsabschnitt.Zustandsindex.ToString()));
            }
            else
            {
                zaAttributes.AddAttribute(CheckOutGISDefaults.ZustandsIndex, double.Parse("-1"));
            }

            zaFeature.Attributes = zaAttributes;
            return(zaFeature);
        }
Пример #2
0
        public string GenerateGeoJsonStringFromEntity(InspektionsRouteGIS inspektionsroute)
        {
            if (inspektionsroute == null)
            {
                return("{ \"type\": \"FeatureCollection\", \"features\": []}");
            }

            FeatureWithID    feature    = new FeatureWithID();
            IAttributesTable attributes = new AttributesTable();

            IList <FeatureWithID> strassenabschnitte = new List <FeatureWithID>();


            feature.Id       = inspektionsroute.Id.ToString();
            feature.Geometry = inspektionsroute.Shape;
            attributes.AddAttribute(geoJSONAttribute_InspektionsrouteID, inspektionsroute.Id);
            attributes.AddAttribute(geoJSONAttribute_InspektionsrouteBezeichnung, inspektionsroute.Bezeichnung);
            attributes.AddAttribute(geoJSONAttribute_IsLocked, inspektionsroute.IsLocked);

            //GEOJSON PROPERTIES: Strassenabschnitte
            foreach (InspektionsRtStrAbschnitte inspektionsrouteStrassenabschnitt in inspektionsroute.InspektionsRtStrAbschnitteList)
            {
                FeatureWithID          featureIrs          = new FeatureWithID();
                IAttributesTable       attributeIrs        = new AttributesTable();
                IList <AchsenReferenz> achsenreferenzenIrs = achsenReferenzService.GetAchsenReferenzGruppe(inspektionsrouteStrassenabschnitt.StrassenabschnittGIS.ReferenzGruppe.Id);
                IList <FeatureWithID>  achsenreferenzen    = new List <FeatureWithID>();

                featureIrs.Id       = inspektionsrouteStrassenabschnitt.StrassenabschnittGIS.Id.ToString();
                featureIrs.Geometry = inspektionsrouteStrassenabschnitt.StrassenabschnittGIS.Shape;


                foreach (AchsenReferenz achsenreferenz in achsenreferenzenIrs)
                {
                    FeatureWithID    featAr = new FeatureWithID();
                    IAttributesTable attAr  = new AttributesTable();

                    featAr.Id       = achsenreferenz.Id.ToString();
                    featAr.Geometry = achsenreferenz.Shape;
                    attAr.AddAttribute(geoJSONAttribute_AchsenSegmentId, achsenreferenz.AchsenSegment.Id);
                    featAr.Attributes = attAr;

                    achsenreferenzen.Add(featAr);
                }

                attributeIrs.AddAttribute(geoJSONAttribute_childs, achsenreferenzen);

                featureIrs.Attributes = attributeIrs;
                strassenabschnitte.Add(featureIrs);
            }

            attributes.AddAttribute(geoJSONAttribute_Strassenabschnitte, strassenabschnitte);
            feature.Attributes = attributes;

            TextWriter sw = new StringWriter();

            GeoJSONWriter.WriteWithID(feature, sw);
            string geoJSONstring = sw.ToString();

            return(geoJSONstring);
        }
Пример #3
0
        public FeatureCollection GetBestObvFeatures(List <Network> networks)
        {
            var features = new List <Feature>(networks.Count);

            for (int i = 0; i < networks.Count; i++)
            {
                var      net     = networks[i];
                Location bestObv = PickBestObservation(net);

                if (bestObv == null)
                {
                    //cell tower?
                    continue;
                }



                var atts = new AttributesTable();
                atts.AddAttribute("ssid", net.ssid);
                atts.AddAttribute("bssid", net.bssid);
                atts.AddAttribute("accuracy", bestObv.accuracy);
                atts.AddAttribute("level", bestObv.level);


                var f = new Feature(bestObv.GetPoint(), atts);
                features.Add(f);
            }

            return(new FeatureCollection(new Collection <Feature>(features)));
        }
Пример #4
0
        public void write_polygon_with_hole()
        {
            Coordinate      c0         = new Coordinate(10.1, 10);
            Coordinate      c1         = new Coordinate(20.2, 20);
            Coordinate      c2         = new Coordinate(30.3, 30);
            ILinearRing     shell      = Factory.CreateLinearRing(new[] { c0, c1, c2, c0 });
            Coordinate      h0         = new Coordinate(15, 15);
            Coordinate      h1         = new Coordinate(17, 15);
            Coordinate      h2         = new Coordinate(15, 17);
            ILinearRing     hole       = Factory.CreateLinearRing(new[] { h0, h1, h2, h0 });
            IGeometry       geometry   = Factory.CreatePolygon(shell, new[] { hole });
            AttributesTable attributes = new AttributesTable();

            attributes.AddAttribute("prop0", "value0");
            attributes.AddAttribute("prop1", "value1");
            IFeature feature = new Feature(geometry, attributes);

            TopoJsonWriter writer = new TopoJsonWriter();
            string         actual = writer.Write(feature);

            Assert.That(actual, Is.Not.Null);
            Assert.That(actual, Is.Not.Empty);
            Console.WriteLine(actual);
            Assert.That(actual, Is.EqualTo(TopoWriterData.PolygonWithHole));
        }
        static void Main(string[] args)
        {
            FeatureCollection features = new FeatureCollection();
            // Polygon 1
            List <Coordinate> coords = new List <Coordinate>();

            coords.Add(new Coordinate(0, 0));
            coords.Add(new Coordinate(0, 10));
            coords.Add(new Coordinate(10, 10));
            coords.Add(new Coordinate(10, 0));
            coords.Add(new Coordinate(0, 0));
            LinearRing ring = new LinearRing(coords.ToArray());
            Polygon    poly = new Polygon(ring);
            // Polygon1 attributes
            AttributesTable attr = new AttributesTable();

            attr.AddAttribute("Column1", "HELLO");
            attr.AddAttribute("Column2", "WORLD !");
            Feature featureForPolygon = new Feature(poly, attr);

            features.Add(featureForPolygon);
            ShapefileDataWriter writer = new ShapefileDataWriter(@"%userprofile%\documents\outFile");

            writer.Header = new DbaseFileHeader();
            writer.Header.AddColumn("Column1", 'C', 10, 0);
            writer.Header.AddColumn("Column2", 'C', 10, 0);
            writer.Write(features.Features);
        }
Пример #6
0
        /// <summary>
        /// Gets a feature collection with features representing the stop links.
        /// </summary>
        /// <returns></returns>
        public static FeatureCollection GetStopLinks(this MultimodalDb db,
                                                     Profile profile, uint stopId)
        {
            var features = new FeatureCollection();

            var stopEnumerator = db.TransitDb.GetStopsEnumerator();

            if (stopEnumerator.MoveTo(stopId))
            {
                var stopLocation = new GeoAPI.Geometries.Coordinate(stopEnumerator.Longitude, stopEnumerator.Latitude);
                var attributes   = new AttributesTable();
                attributes.AddAttribute("stop_id", stopId);
                features.Add(new Feature(new Point(stopLocation), attributes));

                var stopLinksDb = db.GetStopLinksDb(profile).GetEnumerator();
                stopLinksDb.MoveTo(stopId);
                while (stopLinksDb.MoveNext())
                {
                    var routerPoint  = new RouterPoint(0, 0, stopLinksDb.EdgeId, stopLinksDb.Offset);
                    var linkLocation = routerPoint.LocationOnNetwork(db.RouterDb).ToCoordinate();

                    attributes = new AttributesTable();
                    attributes.AddAttribute("edge_id", stopLinksDb.EdgeId.ToInvariantString());
                    attributes.AddAttribute("offset", stopLinksDb.Offset.ToInvariantString());
                    features.Add(new Feature(new Point(linkLocation), attributes));
                    features.Add(new Feature(new LineString(new GeoAPI.Geometries.Coordinate[] { stopLocation, linkLocation }), new AttributesTable()));
                }
            }
            return(features);
        }
Пример #7
0
        public static IFeature FromByteBuffer(ByteBuffer bb, GeometryType geometryType, byte dimensions, IList <ColumnMeta> columns = null)
        {
            var feature = Feature.GetRootAsFeature(bb);
            IAttributesTable attributesTable = null;
            var propertiesArray = feature.GetPropertiesArray();

            if (propertiesArray != null && propertiesArray.Length > 0)
            {
                var memoryStream = new MemoryStream(propertiesArray);
                var reader       = new BinaryReader(memoryStream);
                attributesTable = new AttributesTable();
                while (memoryStream.Position < memoryStream.Length)
                {
                    ushort i      = reader.ReadUInt16();
                    var    column = columns[i];
                    var    type   = column.Type;
                    var    name   = column.Name;
                    switch (type)
                    {
                    case ColumnType.Bool:
                        attributesTable.AddAttribute(name, reader.ReadBoolean());
                        break;

                    case ColumnType.Int:
                        attributesTable.AddAttribute(name, reader.ReadInt32());
                        break;

                    case ColumnType.Long:
                        attributesTable.AddAttribute(name, reader.ReadInt64());
                        break;

                    case ColumnType.Double:
                        attributesTable.AddAttribute(name, reader.ReadDouble());
                        break;

                    case ColumnType.String:
                        int len = reader.ReadInt32();
                        var str = Encoding.UTF8.GetString(memoryStream.ToArray(), (int)memoryStream.Position, len);
                        memoryStream.Position += len;
                        attributesTable.AddAttribute(name, str);
                        break;

                    default: throw new ApplicationException("Unknown type");
                    }
                }
            }

            IGeometry geometry = null;

            if (feature.Geometry.HasValue)
            {
                geometry = GeometryConversions.FromFlatbuf(feature.Geometry.Value, geometryType);
            }
            var f = new NetTopologySuite.Features.Feature(geometry, attributesTable);

            return(f);
        }
Пример #8
0
        private static AttributesTable CreateAttributes(int id, string label)
        {
            var res = new AttributesTable();

            res.AddAttribute("id", id);
            res.AddAttribute("label", label);

            return(res);
        }
Пример #9
0
        public string GetNearestAchsenSegment(double x, double y, double tolerance)
        {
            IGeometry clickedPoint = EMSG.Business.Services.GIS.GISService.CreateGeometryFactory().CreatePoint(new Coordinate((double)x, (double)y, 0));
            var       buffer       = clickedPoint.Buffer(tolerance);

            IList <AchsenSegment> achsegmentList        = GetCurrentEntityListBySpatialFilter(buffer);
            AchsenSegment         selectedAchsensegment = gisService.GetNearestGeometry(clickedPoint, achsegmentList);

            TextWriter       tw    = new StringWriter();
            IAttributesTable table = new AttributesTable();

            //GEOJSON PROPERTIES: STRASSENABSCHNITTE

            List <FeatureWithID> features = new List <FeatureWithID>();

            if (selectedAchsensegment == null)
            {
                return(GeoJSONStrings.GeoJSONFailure("No Achsen found"));
            }
            foreach (AchsenReferenz achsenreferenz in selectedAchsensegment.AchsenReferenzen.Where(ar => ar.Erfassungsperiod == historizationService.GetCurrentErfassungsperiod()))
            {
                if (achsenreferenz.ReferenzGruppe.StrassenabschnittGIS != null)
                {
                    FeatureWithID    feat = new FeatureWithID();
                    IAttributesTable att  = new AttributesTable();

                    feat.Id         = achsenreferenz.ReferenzGruppe.StrassenabschnittGIS.Id.ToString();
                    feat.Geometry   = achsenreferenz.ReferenzGruppe.StrassenabschnittGIS.Shape;
                    feat.Attributes = att;

                    if (!features.Contains(feat))
                    {
                        features.Add(feat);
                    }
                }
            }

            table.AddAttribute("Strassenabschnitte", features);

            table.AddAttribute("AchsenId", selectedAchsensegment.Achse.Id);
            table.AddAttribute("AchsenName", selectedAchsensegment.Achse.Name);
            table.AddAttribute("IsInverted", selectedAchsensegment.IsInverted);

            FeatureWithID feature = new FeatureWithID();

            feature.Id         = selectedAchsensegment.Id.ToString();
            feature.Geometry   = selectedAchsensegment.Shape;
            feature.Attributes = table;
            TextWriter sw = new StringWriter();

            GeoJSONWriter.WriteFeatureWithID(feature, sw);

            return(sw.ToString());
        }
        /// <summary>
        /// Advances the IDataReader to the next record.
        /// </summary>
        /// <returns>true if there are more rows; otherwise, false.</returns>
        public bool Read()
        {
            if (RecordCount == 0)
            {
                return(false);
            }
            bool moreDbfRecords = _dbfEnumerator.MoveNext();
            bool moreShpRecords = _shpEnumerator.MoveNext();

            /*
             * if (!moreDbfRecords)
             * {
             *  int a = 0;
             *  a++;
             * }
             * if (!moreShpRecords)
             * {
             *  int b = 0;
             *  b++;
             * }
             */
            _moreRecords = moreDbfRecords && moreShpRecords;

            // get current shape
            geometry = (IGeometry)_shpEnumerator.Current;

            // get current dbase record
            var columnValues = (ArrayList)_dbfEnumerator.Current;

            _columnValues = new ArrayList(1 + columnValues.Count);
            _columnValues.Add(geometry /*.AsBinary()*/);
            _columnValues.AddRange(columnValues);
            //_columnValues = (ArrayList)_dbfEnumerator.Current;

            IAttributesTable tbl  = new AttributesTable();
            ArrayList        data = _columnValues;

            if (!_hasFID)
            {
                tbl.AddAttribute("FID", _currentIndex);
            }
            else
            {
            }

            for (int i = 0; i < DbaseHeader.Fields.Length; i++)
            {
                tbl.AddAttribute(DbaseHeader.Fields[i].Name, data[i + 1]);
            }
            attributeTable = tbl;

            _currentIndex++;
            return(_moreRecords); // moreDbfRecords && moreShpRecords;
        }
Пример #11
0
        //returns geoJSON of boundaries from DB filters by type
        public string GetGeoJsonCollectionFromBoundaryCollection(ICollection <Boundary> collectionOfBoundaries, BoundaryType boundaryType)
        {
            //create GeoJSON writer
            GeoJsonWriter geoJsonWriter = new GeoJsonWriter();
            //create WKT Binary reader
            WKBReader wKBReader = new WKBReader();
            //create empty feature collection
            FeatureCollection features = new FeatureCollection();

            //setup return boundary flag
            bool returnBoundary = false;

            //iterate through collection
            foreach (Boundary boundary in collectionOfBoundaries)
            {
                returnBoundary = false;
                switch (boundaryType)
                {
                case BoundaryType.ALL:
                    returnBoundary = true;
                    break;

                case BoundaryType.COVERAGE:
                    if (boundary.isCoverageArea)
                    {
                        returnBoundary = true;
                    }
                    break;

                case BoundaryType.DISPLAY:
                    if (boundary.displayOnMap)
                    {
                        returnBoundary = true;
                    }
                    break;
                }
                if (returnBoundary)
                {
                    //set up feature attributes table
                    AttributesTable attributesTable = new AttributesTable();
                    //add attributes to table from boundary
                    attributesTable.AddAttribute("id", boundary.BoundaryId);
                    attributesTable.AddAttribute("Name", boundary.Name);
                    //convert DbGeometry to GeoApi.IGeometry
                    IGeometry iGeom = wKBReader.Read(boundary.Area.AsBinary());
                    //create feature from geom and attributes
                    Feature feature = new Feature(iGeom, attributesTable);
                    //add feature to feature collection
                    features.Add(feature);
                }
            }
            return(geoJsonWriter.Write(features));
        }
Пример #12
0
        public void WriteJsonTest()
        {
            AttributesTableConverter target = new AttributesTableConverter();
            StringBuilder            sb     = new StringBuilder();
            JsonTextWriter           writer = new JsonTextWriter(new StringWriter(sb));
            AttributesTable          value  = new AttributesTable();

            value.AddAttribute("test1", "value1");
            value.AddAttribute("test2", "value2");
            JsonSerializer serializer = new JsonSerializer();

            target.WriteJson(writer, value, serializer);
            writer.Flush();
            Assert.AreEqual("\"properties\":{\"test1\":\"value1\",\"test2\":\"value2\"}", sb.ToString());
        }
Пример #13
0
        public IEnumerable <TimeZoneFeature> ReadShapeFile()
        {
            var factory = new GeometryFactory();

            using (var reader = new ShapefileDataReader(_shapeFile, factory))
            {
                var header = reader.DbaseHeader;

                while (reader.Read())
                {
                    var attributes = new AttributesTable();
                    for (int i = 0; i < header.NumFields; i++)
                    {
                        var name  = header.Fields[i].Name;
                        var value = reader.GetValue(i);
                        attributes.AddAttribute(name, value);
                    }

                    // skip uninhabited areas
                    var zone = (string)attributes["TZID"];
                    if (zone.Equals("uninhabited", StringComparison.OrdinalIgnoreCase))
                    {
                        continue;
                    }

                    var geometry = reader.Geometry;

                    yield return(new TimeZoneFeature
                    {
                        TzName = zone,
                        Geometry = geometry,
                    });
                }
            }
        }
        public static string ToGeoJson(this IGeometry geometry, int srId, KeyValuePair <string, object>[] attributes = null)
        {
            var attributesTable = new AttributesTable();

            if (attributes != null)
            {
                foreach (var attribute in attributes)
                {
                    attributesTable.AddAttribute(attribute.Key, attribute.Value);
                }
            }

            var feature = new Feature(geometry, attributesTable);

            var featureCollection = new FeatureCollection()
            {
                CRS      = new NamedCRS(string.Format("EPSG:{0}", srId)),
                Features = { feature }
            };

            var geoJsonSerializer = new GeoJsonSerializer(geometry.Factory);
            var stringBuilder     = new StringBuilder();

            using (var sw = new StringWriter(stringBuilder))
                geoJsonSerializer.Serialize(sw, featureCollection);
            return(stringBuilder.ToString());
        }
Пример #15
0
        public static IAttributesTable ReadAttributesTable(JsonTextReader jreader)
        {
            if (jreader == null)
            {
                throw new ArgumentNullException("jreader", "A valid JSON reader object is required.");
            }

            IAttributesTable attributes = null;

            if (jreader.MoveToContent() && jreader.TokenClass == JsonTokenClass.Object)
            {
                attributes = new AttributesTable();
                jreader.ReadToken(JsonTokenClass.Object);

                while (jreader.TokenClass == JsonTokenClass.Member)
                {
                    string key   = jreader.ReadMember();
                    string value = jreader.ReadString();

                    if (!attributes.Exists(key))
                    {
                        attributes.AddAttribute(key, null);
                    }
                    attributes[key] = value;
                }

                jreader.ReadToken(JsonTokenClass.EndObject);
            }
            return(attributes);
        }
Пример #16
0
        public List <Feature> LoadFeatureList(string filename)
        {
            List <Feature> features = new List <Feature>();

            if (File.Exists(filename))
            {
                using (ShapefileDataReader sdr = new ShapefileDataReader(filename, GeometryFactory.Default))
                {
                    DbaseFileHeader header = sdr.DbaseHeader;
                    while (sdr.Read())
                    {
                        Feature         feature         = new Feature();
                        AttributesTable attributesTable = new AttributesTable();
                        string[]        keys            = new string[header.NumFields];
                        Geometry        geometry        = (Geometry)sdr.Geometry;
                        for (int i = 0; i < header.NumFields; i++)
                        {
                            DbaseFieldDescriptor fldDescriptor = header.Fields[i];
                            keys[i] = fldDescriptor.Name;
                            attributesTable.AddAttribute(fldDescriptor.Name, sdr.GetValue(i));
                        }
                        feature.Geometry   = geometry;
                        feature.Attributes = attributesTable;
                        features.Add(feature);
                    }
                }
            }
            return(features);
        }
Пример #17
0
        /// <summary>
        /// Builds from the given provider.
        /// </summary>
        /// <param name="provider">
        /// The base <see cref="SharpMap.Data.Providers.IProvider"/>
        /// from witch initialize the <see cref="NtsProvider"/> instance.
        /// </param>
        private void BuildFromProvider(IProvider provider)
        {
            // Features list initialization
            _features = new List <Feature>(provider.GetFeatureCount());

            try
            {
                // Load all features from the given provider
                provider.Open();
                Collection <uint> ids = provider.GetObjectIDsInView(provider.GetExtents());
                foreach (uint id in ids)
                {
                    FeatureDataRow dataRow = provider.GetFeature(id);
                    GeoAPI.Geometries.IGeometry geometry   = GeometryConverter.ToNTSGeometry(dataRow.Geometry, _geometryFactory);
                    AttributesTable             attributes = new AttributesTable();
                    foreach (DataColumn column in dataRow.Table.Columns)
                    {
                        if (dataRow[column] == null || dataRow[column] is DBNull)
                        {
                            throw new ApplicationException("Null values not supported");
                        }
                        attributes.AddAttribute(column.ColumnName, dataRow[column]);
                    }
                    _features.Add(new Feature(geometry, attributes));
                }
            }
            finally
            {
                if (provider.IsOpen)
                {
                    provider.Close();
                }
            }
        }
        private void TestShapeCreation()
        {
            var points = new Coordinate[3];

            points[0] = new Coordinate(0, 0);
            points[1] = new Coordinate(1, 0);
            points[2] = new Coordinate(1, 1);

            var line_string = new LineString(points);

            var attributes = new AttributesTable();

            attributes.AddAttribute("FOO", "FOO");

            var feature  = new Feature(Factory.CreateMultiLineString(new ILineString[] { line_string }), attributes);
            var features = new Feature[1];

            features[0] = feature;

            var shp_writer = new ShapefileDataWriter("line_string")
            {
                Header = ShapefileDataWriter.GetHeader(features[0], features.Length)
            };

            shp_writer.Write(features);
        }
Пример #19
0
        public IAttributesTable ReadEntry(int index)
        {
            if (m_IsDisposed)
            {
                throw new InvalidOperationException("Reader was disposed, cannot read from a disposed reader");
            }

            if (index < 0)
            {
                throw new ArgumentException("Index must be positive", "index");
            }

            int seekLocation = m_Header.HeaderLength + (index * m_Header.RecordLength);

            if (seekLocation >= m_FileReader.BaseStream.Length)
            {
                throw new ArgumentOutOfRangeException("index", "No DBF entry with index " + index);
            }

            m_FileReader.BaseStream.Seek(seekLocation, SeekOrigin.Begin);

            AttributesTable tbl  = new AttributesTable();
            ArrayList       data = ReadCurrentEntry();

            for (int i = 0; i < data.Count; i++)
            {
                tbl.AddAttribute(m_Header.Fields[i].Name, data[i]);
            }

            return(tbl);
        }
Пример #20
0
        private static object InternalReadJson(JsonReader reader, JsonSerializer serializer)
        {
            // TODO: refactor to remove check when reading TopoJSON
            if (reader.TokenType == JsonToken.StartArray)
            {
                reader.Read(); // move to first item
                IList <object> array = new List <object>();
                do
                {
                    object inner = InternalReadJson(reader, serializer);
                    array.Add(inner);
                    reader.Read(); // move to next item
                } while (reader.TokenType != JsonToken.EndArray);
                return(array);
            }

            if (reader.TokenType != JsonToken.StartObject)
            {
                throw new ArgumentException("Expected token '{' not found.");
            }

            reader.Read();
            AttributesTable attributesTable = new AttributesTable();

            while (reader.TokenType == JsonToken.PropertyName)
            {
                string attributeName = (string)reader.Value;
                reader.Read();
                object attributeValue;
                if (reader.TokenType == JsonToken.StartObject)
                {
                    // inner object
                    attributeValue = InternalReadJson(reader, serializer);
                }
                else if (reader.TokenType == JsonToken.StartArray)
                {
                    reader.Read(); // move to first item
                    IList <object> array = new List <object>();
                    do
                    {
                        object inner = InternalReadJson(reader, serializer);
                        array.Add(inner);
                        reader.Read(); // move to next item
                    } while (reader.TokenType != JsonToken.EndArray);
                    attributeValue = array;
                }
                else
                {
                    attributeValue = reader.Value;
                }
                attributesTable.AddAttribute(attributeName, attributeValue);
                reader.Read();
            }
            // TODO: refactor to remove check when reading TopoJSON
            if (reader.TokenType != JsonToken.EndObject)
            {
                throw new ArgumentException("Expected token '}' not found.");
            }
            return(attributesTable);
        }
Пример #21
0
        private static object InternalReadJson(JsonReader reader, JsonSerializer serializer)
        {
            if (reader.TokenType != JsonToken.StartObject)
            {
                throw new ArgumentException("Expected token '{' not found.");
            }

            reader.Read();
            AttributesTable attributesTable = new AttributesTable();

            while (reader.TokenType == JsonToken.PropertyName)
            {
                string attributeName = (string)reader.Value;
                reader.Read();
                object attributeValue;
                if (reader.TokenType == JsonToken.StartObject)
                {
                    // inner object
                    attributeValue = InternalReadJson(reader, serializer);
                }
                else
                {
                    attributeValue = reader.Value;
                }
                attributesTable.AddAttribute(attributeName, attributeValue);
                reader.Read();
            }
            return(attributesTable);
        }
Пример #22
0
        public static List <Feature> ReadShapefile(string shpFilename, int max = int.MaxValue)
        {
            var features = new List <Feature>();

            using (ShapefileDataReader dr = new ShapefileDataReader(shpFilename, new GeometryFactory()))
            {
                DbaseFileHeader header = dr.DbaseHeader;
                int             n      = 0;
                while (dr.Read())
                {
                    n++;
                    if (n > max)
                    {
                        break;
                    }
                    AttributesTable attributesTable = new AttributesTable();
                    for (int i = 0; i < header.NumFields; i++)
                    {
                        attributesTable.AddAttribute(header.Fields[i].Name, dr.GetValue(i));
                    }

                    features.Add(new Feature(dr.Geometry, attributesTable));
                }
            }
            return(features);
        }
        public void GeoJsonWriterWriteAnyObjectTest()
        {
            AttributesTable attributes = new AttributesTable();
            DateTime        Date       = new DateTime(2012, 8, 8).Date;

            JsonSerializer g = new GeoJsonSerializer {
                NullValueHandling = NullValueHandling.Ignore
            };
            StringBuilder sb = new StringBuilder();

            using (StringWriter sw = new StringWriter(sb))
                g.Serialize(sw, Date);
            string expectedDateString = sb.ToString();

            string expectedResult = "{\"featureCollection\":{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Point\",\"coordinates\":[23.0,56.0]},\"properties\":{\"test1\":\"value1\"}}],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"name1\"}}},\"Date\":" + expectedDateString + "}";

            attributes.AddAttribute("test1", "value1");
            IFeature feature = new Feature(new Point(23, 56), attributes);

            FeatureCollection featureCollection = new FeatureCollection(new Collection <IFeature> {
                feature
            })
            {
                CRS = new NamedCRS("name1")
            };
            var gjw = new GeoJsonWriter();

            gjw.SerializerSettings.NullValueHandling = NullValueHandling.Ignore;
            string actual = gjw.Write(new { featureCollection, Date = Date });

            Assert.AreEqual(expectedResult, actual);
        }
        public void LoadCountries(string path)
        {
            iso2Countries   = new Dictionary <string, Feature>();
            iso3Countries   = new Dictionary <string, Feature>();
            countryFeatures = new ArrayList();

            countriesDt = new System.Data.DataTable();

            GeometryFactory factory = new GeometryFactory();

            using (ShapefileDataReader reader = new ShapefileDataReader(path, factory))
            {
                foreach (var f in reader.DbaseHeader.Fields)
                {
                    countriesDt.Columns.Add(f.Name, f.Type);
                }
                var keyCol = countryDtKeyCandidates
                             .Intersect(countriesDt.Columns.OfType <System.Data.DataColumn>().Select(col => col.ColumnName))
                             .FirstOrDefault();
                if (keyCol != null)
                {
                    countriesDt.PrimaryKey = new System.Data.DataColumn[] { countriesDt.Columns[keyCol] };
                }
                countriesDt.Columns.Add("WKT", typeof(string));

                while (reader.Read())
                {
                    Feature         feature         = new Feature();
                    AttributesTable attributesTable = new AttributesTable();

                    string[]  keys     = new string[reader.DbaseHeader.NumFields];
                    IGeometry geometry = (Geometry)reader.Geometry;

                    System.Data.DataRow row = countriesDt.NewRow();
                    for (int i = 0; i < reader.DbaseHeader.NumFields; i++)
                    {
                        DbaseFieldDescriptor fldDescriptor = reader.DbaseHeader.Fields[i];
                        keys[i] = fldDescriptor.Name;
                        attributesTable.AddAttribute(fldDescriptor.Name, reader.GetValue(i));

                        row[i] = reader.GetValue(i);
                    }
                    row["WKT"] = geometry.AsText();
                    countriesDt.Rows.Add(row);
                    feature.Geometry   = geometry;
                    feature.Attributes = attributesTable;

                    if (feature.Attributes.Exists("ISO2") && feature.Attributes.Exists("ISO3"))
                    {
                        int index = countryFeatures.Add(feature);
                        var iso2  = (string)feature.Attributes["ISO2"];
                        var iso3  = (string)feature.Attributes["ISO3"];
                        iso2Countries.Add(iso2, feature);
                        iso3Countries.Add(iso3, feature);
                    }
                }
                reader.Close();
            }
        }
Пример #25
0
        public void write_simple_point()
        {
            IPoint          geometry   = Factory.CreatePoint(new Coordinate(23.4, 56.7));
            AttributesTable attributes = new AttributesTable();

            attributes.AddAttribute("prop0", "value0");
            attributes.AddAttribute("prop1", "value1");
            IFeature feature = new Feature(geometry, attributes);

            TopoJsonWriter writer = new TopoJsonWriter();
            string         actual = writer.Write(feature);

            Assert.That(actual, Is.Not.Null);
            Assert.That(actual, Is.Not.Empty);
            Console.WriteLine(actual);
            Assert.That(actual, Is.EqualTo(TopoWriterData.SimplePoint));
        }
Пример #26
0
        public Feature CreateAchsenReferenzFeature(AchsenReferenz achsenreferenz, Guid inspektionsrouteid)
        {
            Feature          arFeature      = new Feature();
            IAttributesTable saArAttributes = new AttributesTable();

            arFeature.Geometry = achsenreferenz.Shape;

            //ID
            saArAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.AchsenreferenzID), achsenreferenz.Id.ToString());
            //AchsenID
            saArAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.AchsensegmentID), achsenreferenz.AchsenSegment.Id.ToString());
            //ReferenzgruppeID
            saArAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.ReferenzgruppeID), achsenreferenz.ReferenzGruppe.Id.ToString());
            //inspektionsRouteID
            saArAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.InspektionsRouteID), inspektionsrouteid.ToString());

            //ZustandsabschnittID if Achsenreferenz belongs to a Zustandsabschnitt else StrassenabschnittsID (belongs to Strassenabschnitt)
            if (achsenreferenz.ReferenzGruppe.ZustandsabschnittGIS != null)
            {
                saArAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.ZustandsabschnittID), achsenreferenz.ReferenzGruppe.ZustandsabschnittGIS.Id.ToString());
                saArAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.StrassenabschnittGISID), achsenreferenz.ReferenzGruppe.ZustandsabschnittGIS.StrassenabschnittGIS.Id.ToString());
            }
            else if (achsenreferenz.ReferenzGruppe.StrassenabschnittGIS != null)
            {
                saArAttributes.AddAttribute(checkStringLengthforDBF(CheckOutGISDefaults.StrassenabschnittGISID), achsenreferenz.ReferenzGruppe.StrassenabschnittGIS.Id.ToString());
            }


            arFeature.Attributes = saArAttributes;
            return(arFeature);
        }
Пример #27
0
        public string GetAchsensegmentCollection(string achsensegmentIds)
        {
            var splitachsensegmentIds           = achsensegmentIds.Split(',');
            List <FeatureWithID> achsensegmente = new List <FeatureWithID>();
            StringWriter         sw             = new StringWriter();

            foreach (string achsensegmentId in splitachsensegmentIds)
            {
                AchsenSegment        aseg = GetEntityById(Guid.Parse(achsensegmentId));
                FeatureWithID        feat = new FeatureWithID();
                IAttributesTable     att  = new AttributesTable();
                List <FeatureWithID> strassenabschnitte = new List <FeatureWithID>();

                foreach (AchsenReferenz achsenreferenz in aseg.AchsenReferenzen.Where(a => a.Erfassungsperiod == historizationService.GetCurrentErfassungsperiod()))
                {
                    if (achsenreferenz.ReferenzGruppe.StrassenabschnittGIS != null)
                    {
                        FeatureWithID    strabsfeat = new FeatureWithID();
                        IAttributesTable strabsatt  = new AttributesTable();

                        strabsfeat.Id         = achsenreferenz.ReferenzGruppe.StrassenabschnittGIS.Id.ToString();
                        strabsfeat.Geometry   = achsenreferenz.ReferenzGruppe.StrassenabschnittGIS.Shape;
                        strabsfeat.Attributes = strabsatt;

                        if (!strassenabschnitte.Contains(strabsfeat))
                        {
                            strassenabschnitte.Add(strabsfeat);
                        }
                    }
                }
                att.AddAttribute("AchsenId", aseg.Achse.Id);
                att.AddAttribute("AchsenName", aseg.Achse.Name);
                att.AddAttribute("IsInverted", aseg.IsInverted);
                att.AddAttribute("Strassenabschnitte", strassenabschnitte);
                feat.Geometry   = aseg.Shape;
                feat.Id         = aseg.Id.ToString();
                feat.Attributes = att;
                achsensegmente.Add(feat);
            }

            GeoJSONWriter.WritewithID(achsensegmente, sw);
            sw.Flush();

            return(sw.ToString());
        }
Пример #28
0
        /// <summary>
        /// Gets a features representing the vertex with the given id.
        /// </summary>
        public static Feature GetFeatureForVertex(this RouterDb routerDb, uint vertex)
        {
            var coordinate = routerDb.Network.GetVertex(vertex).ToCoordinate();

            var attributes = new AttributesTable();

            attributes.AddAttribute("id", vertex);
            return(new Feature(new Point(coordinate), attributes));
        }
        public void GeoJsonWriterWriteAttributesTest()
        {
            AttributesTable attributes = new AttributesTable();

            attributes.AddAttribute("test1", "value1");
            string actual = new GeoJsonWriter().Write(attributes);

            Assert.AreEqual("{\"test1\":\"value1\"}", actual);
        }
Пример #30
0
        /// <summary>
        /// Converts to instructions to features.
        /// </summary>
        public static FeatureCollection ToFeatureCollection(this IList <Instruction> instructions, Route route)
        {
            var features = new FeatureCollection();

            for (var i = 0; i < instructions.Count; i++)
            {
                var instruction = instructions[i];
                var coordinate  = route.Shape[instruction.Shape].ToCoordinate();

                var attributes = new AttributesTable();
                attributes.AddAttribute("text", instruction.Text);
                attributes.AddAttribute("type", instruction.Type.ToInvariantString().ToLowerInvariant());

                var point = new Point(coordinate);

                features.Add(new Feature(point, attributes));
            }
            return(features);
        }
Пример #31
0
        /// <summary>
        /// Builds from the given provider.
        /// </summary>
        /// <param name="provider">
        /// The base <see cref="SharpMap.Data.Providers.IProvider"/> 
        /// from witch initialize the <see cref="NtsProvider"/> instance.
        /// </param>
        private void BuildFromProvider(IProvider provider)
        {
            // Features list initialization
            _features = new List<Feature>(provider.GetFeatureCount());

            try
            {
                // Load all features from the given provider
                provider.Open();
                var ids = provider.GetOidsInView(provider.GetExtents());
                foreach (var id in ids)
                {
                    var dataRow = provider.GetFeatureByOid(id);
                    var geometry = dataRow.Geometry;
                    AttributesTable attributes = new AttributesTable();
                    var att = dataRow.Attributes;
                    foreach (var column in dataRow.Factory.AttributesDefinition)
                    {
                        var attName = column.AttributeName;
                        if (att[attName] == null || att[attName] is DBNull)
                            throw new ApplicationException("Null values not supported");
                        attributes.AddAttribute(attName, att[column.AttributeName]);
                    }
                    _features.Add(new Feature(geometry, attributes));
                }
            }
            finally
            {
                if (provider.IsOpen)
                    provider.Close();
            }
        }
Пример #32
0
        /// <summary>
        /// Builds from the given provider.
        /// </summary>
        /// <param name="provider">
        /// The base <see cref="SharpMap.Data.Providers.IProvider"/> 
        /// from witch initialize the <see cref="NtsProvider"/> instance.
        /// </param>
        private void BuildFromProvider(IProvider provider)
        {
            // Features list initialization
            _features = new List<Feature>(provider.GetFeatureCount());

            try
            {
                // Load all features from the given provider
                provider.Open();
                Collection<uint> ids = provider.GetObjectIDsInView(provider.GetExtents());
                foreach (uint id in ids)
                {
                    var dataRow = provider.GetFeature(id);
                    var geometry = dataRow.Geometry;
                    AttributesTable attributes = new AttributesTable();
                    foreach (DataColumn column in dataRow.Table.Columns)
                    {
                        if (dataRow[column] == null || dataRow[column] is DBNull)
                            throw new ApplicationException("Null values not supported");
                        attributes.AddAttribute(column.ColumnName, dataRow[column]);
                    }
                    _features.Add(new Feature(geometry, attributes));
                }
            }
            finally
            {
                if (provider.IsOpen)
                    provider.Close();
            }
        }