Beispiel #1
0
        public ShapefileWriter(IGeometryFactory geometryFactory, IStreamProviderRegistry streamProviderRegistry,
                               ShapeGeometryType geomType)
            : this(geometryFactory)
        {
            _shpStream = streamProviderRegistry[StreamTypes.Shape].OpenWrite(true);
            _shxStream = streamProviderRegistry[StreamTypes.Index].OpenWrite(true);

            _geometryType = geomType;

            _shpBinaryWriter = new BigEndianBinaryWriter(_shpStream);

            WriteShpHeader(_shpBinaryWriter, 0, new Envelope(0, 0, 0, 0));
            if (_shxStream != null)
            {
                _shxBinaryWriter = new BigEndianBinaryWriter(_shxStream);
                WriteShxHeader(_shxBinaryWriter, 0, new Envelope(0, 0, 0, 0));
            }

            _shapeHandler = Shapefile.GetShapeHandler(geomType);
        }
Beispiel #2
0
        /// <summary>
        /// Reads the shapefile and returns a GeometryCollection representing all the records in the shapefile.
        /// </summary>
        /// <returns>GeometryCollection representing every record in the shapefile.</returns>
        public IGeometryCollection ReadAll()
        {
            var list = new List <IGeometry>();
            ShapeGeometryType type    = _mainHeader.ShapeType;
            ShapeHandler      handler = Shapefile.GetShapeHandler(type);

            if (handler == null)
            {
                throw new NotSupportedException("Unsupported shape type:" + type);
            }

            int i = 0;

            foreach (IGeometry geometry in this)
            {
                list.Add(geometry);
                i++;
            }

            IGeometry[] geomArray = GeometryFactory.ToGeometryArray(list);
            return(_geometryFactory.CreateGeometryCollection(geomArray));
        }