Example #1
0
        private Coordinate GetCoordinate(StreamTokenizer tokenizer)
        {
            Coordinate coord = null;
            double     dX    = GetNextNumber(tokenizer);
            double     dY    = GetNextNumber(tokenizer);

            if (m_bMeasured)
            {
                double dT = GetNextNumber(tokenizer);
                if (IsNumberNext(tokenizer))
                {
                    double dM = GetNextNumber(tokenizer);
                    coord = new Coordinate3DM(dX, dY, dT, dM);
                }
                else
                {
                    coord = new CoordinateM(dX, dY, dT);
                }
            }
            else
            {
                if (IsNumberNext(tokenizer))
                {
                    double dZ = GetNextNumber(tokenizer);
                    coord = new Coordinate3D(dX, dY, dZ);
                }
                else
                {
                    coord = new Coordinate(dX, dY);
                }
            }

            return(coord);
        }
        private void WritePostGIS(Coordinate coord)
        {
            m_objWriter.WriteDouble(coord.X);
            m_objWriter.WriteDouble(coord.Y);

            CoordinateType CoordType = coord.CoordinateType;

            if (coord.Dimension == 2)
            {
                if (CoordType == CoordinateType.Measured)
                {
                    CoordinateM measured = (CoordinateM)coord;

                    m_objWriter.WriteDouble(measured.Measure);
                }
            }
            else
            {
                // write the Z-value
                m_objWriter.WriteDouble(coord.GetOrdinate(2));

                // check and write the Measure
                if (CoordType == CoordinateType.Measured)
                {
                    Coordinate3DM measured = (Coordinate3DM)coord;

                    m_objWriter.WriteDouble(measured.Measure);
                }
            }
        }
        /// <inheritdoc cref="CoordinateSequence.ToCoordinateArray"/>>
        public override Coordinate[] ToCoordinateArray()
        {
            var ret = GetCachedCoords();

            if (ret != null)
            {
                return(ret);
            }

            ret = new Coordinate[Count];
            if (_z != null)
            {
                if (_m != null)
                {
                    for (int i = 0; i < ret.Length; i++)
                    {
                        ret[i] = new CoordinateZM(_points[i].X, _points[i].Y, _z[i], _m[i]);
                    }
                }
                else
                {
                    for (int i = 0; i < ret.Length; i++)
                    {
                        ret[i] = new CoordinateZ(_points[i].X, _points[i].Y, _z[i]);
                    }
                }
            }
            else
            {
                if (_m != null)
                {
                    for (int i = 0; i < ret.Length; i++)
                    {
                        ret[i] = new CoordinateM(_points[i].X, _points[i].Y, _m[i]);
                    }
                }
                else
                {
                    for (int i = 0; i < ret.Length; i++)
                    {
                        ret[i] = new Coordinate(_points[i].X, _points[i].Y);
                    }
                }
            }

            _coordinateArrayRef = new WeakReference <Coordinate[]>(ret);
            return(ret);
        }
        public void TestMixedCoordinates()
        {
            var factory = CsFactory;
            var coord1  = new CoordinateZ(1.0, 1.0, 1.0);
            var coord2  = new Coordinate(2.0, 2.0);
            var coord3  = new CoordinateM(3.0, 3.0, 3.0);

            var array = new Coordinate[] { coord1, coord2, coord3, null };
            var seq   = factory.Create(array);

            Assert.That(seq.Dimension, Is.EqualTo(4));
            Assert.That(seq.Measures, Is.EqualTo(1));
            Assert.That(seq.GetCoordinate(0), Is.EqualTo(coord1));
            Assert.That(seq.GetCoordinate(1), Is.EqualTo(coord2));
            Assert.That(seq.GetCoordinate(2), Is.EqualTo(coord3));
            Assert.That(seq.GetCoordinate(3), Is.Null);
        }
Example #5
0
        public void LineStringElmtBasedWrapperTest()
        {
            ICoordinate[] coordinates = new ICoordinate[4];
            coordinates[0] = new CoordinateM(1, 2, 0, 0);
            coordinates[1] = new CoordinateM(3, 4, 0, 1);
            coordinates[2] = new CoordinateM(5, 6, -5, 2);
            coordinates[3] = new CoordinateM(7, 8, 0, 3.5);

            LineString lineString = new LineString()
            {
                Coordinates = coordinates,
                HasZ        = false,
                IsNodeBased = false,
            };

            LineStringWrapper wrapper = new LineStringWrapper(lineString);

            Assert.AreEqual(ElementType.PolyLine, wrapper.ElementType);
            Assert.AreEqual(3, wrapper.ElementCount);

            Assert.AreEqual(2, wrapper.GetVertexCount(0));
            Assert.AreEqual(2, wrapper.GetVertexCount(1));
            Assert.AreEqual(2, wrapper.GetVertexCount(2));

            Assert.AreEqual(1, wrapper.GetVertexXCoordinate(0, 0));
            Assert.AreEqual(2, wrapper.GetVertexYCoordinate(0, 0));
            Assert.AreEqual(0, wrapper.GetVertexMCoordinate(0, 0));
            Assert.AreEqual(3, wrapper.GetVertexXCoordinate(0, 1));
            Assert.AreEqual(4, wrapper.GetVertexYCoordinate(0, 1));
            Assert.AreEqual(1, wrapper.GetVertexMCoordinate(0, 1));

            Assert.AreEqual(3, wrapper.GetVertexXCoordinate(1, 0));
            Assert.AreEqual(4, wrapper.GetVertexYCoordinate(1, 0));
            Assert.AreEqual(1, wrapper.GetVertexMCoordinate(1, 0));
            Assert.AreEqual(5, wrapper.GetVertexXCoordinate(1, 1));
            Assert.AreEqual(6, wrapper.GetVertexYCoordinate(1, 1));
            Assert.AreEqual(2, wrapper.GetVertexMCoordinate(1, 1));

            Assert.AreEqual(5, wrapper.GetVertexXCoordinate(2, 0));
            Assert.AreEqual(6, wrapper.GetVertexYCoordinate(2, 0));
            Assert.AreEqual(2, wrapper.GetVertexMCoordinate(2, 0));
            Assert.AreEqual(7, wrapper.GetVertexXCoordinate(2, 1));
            Assert.AreEqual(8, wrapper.GetVertexYCoordinate(2, 1));
            Assert.AreEqual(3.5, wrapper.GetVertexMCoordinate(2, 1));
        }
Example #6
0
        public void TestCoordinateXYM()
        {
            var xym = new CoordinateM();

            CheckZUnsupported(xym);

            xym.M = 1.0;
            Assert.That(xym.M, Is.EqualTo(1.0));

            var coord = new CoordinateZ(xym); // copy

            Assert.That(coord, Is.EqualTo(xym));
            Assert.That(coord.Z, Is.NaN);
            Assert.That(coord.M, Is.NaN);

            coord = new CoordinateZ(1.0, 1.0, 1.0); // 2.5d
            xym   = new CoordinateM(coord);         // copy
            Assert.That(xym, Is.EqualTo(coord));
        }
        /// <summary>
        /// Converts a Coordinate to &lt;Point&gt; format, then appends
        /// it to the writer.
        /// </summary>
        /// <param name="coordinate">The Coordinate to process.</param>
        /// <param name="writer">The output writer to append to.</param>
        private void AppendCoordinate(Coordinate coordinate, TextWriter writer)
        {
            if (m_bIsMeasured)
            {
                if (coordinate.Dimension > 2)
                {
                    Coordinate3DM measured = (Coordinate3DM)(coordinate);

                    writer.Write(WriteNumber(measured.X) + " "
                                 + WriteNumber(measured.Y) + " "
                                 + WriteNumber(measured.Z) + " "
                                 + WriteNumber(measured.Measure));
                }
                else
                {
                    CoordinateM measured = (CoordinateM)(coordinate);

                    writer.Write(WriteNumber(measured.X) + " "
                                 + WriteNumber(measured.Y) + " "
                                 + WriteNumber(measured.Measure));
                }
            }
            else
            {
                if (coordinate.Dimension > 2)
                {
                    double dZ = coordinate.GetOrdinate(2);

                    writer.Write(WriteNumber(coordinate.X) + " "
                                 + WriteNumber(coordinate.Y) + " "
                                 + WriteNumber(dZ));
                }
                else
                {
                    writer.Write(WriteNumber(coordinate.X) + " "
                                 + WriteNumber(coordinate.Y));
                }
            }
        }
        private Coordinate ReadCoordinate(bool hasZ, bool hasM)
        {
            double     x     = m_objReader.ReadDouble();
            double     y     = m_objReader.ReadDouble();
            Coordinate coord = null;

            if (hasZ)
            {
                double z = m_objReader.ReadDouble();
                if (hasM)
                {
                    double m = m_objReader.ReadDouble();

                    coord = new Coordinate3DM(x, y, z, m);
                }
                else
                {
                    coord = new Coordinate3D(x, y, y);
                }
            }
            else
            {
                if (hasM)
                {
                    double m = m_objReader.ReadDouble();
                    coord = new CoordinateM(x, y, m);
                }
                else
                {
                    coord = new Coordinate(x, y);
                }
            }

            coord.MakePrecise(m_objPrecision);

            return(coord);
        }
        /// <summary>
        ///
        /// </summary>
        /// <param name="coordinate"></param>
        /// <param name="writer"></param>
        /// <param name="usePrefix"></param>
        /// <param name="coordPrefix"></param>
        private void WriteCoord(Coordinate coordinate, XmlWriter writer,
                                bool usePrefix, string coordPrefix)
        {
            if (usePrefix)
            {
                writer.WriteStartElement(m_strPrefix, GeometryGml2.GmlCoord, null);
            }
            else
            {
                writer.WriteStartElement(GeometryGml2.GmlCoord);
            }

            // write the X and Y
            if (usePrefix)
            {
                writer.WriteElementString(coordPrefix + GeometryGml2.GmlCoordX,
                                          WriteNumber(coordinate.X));
                writer.WriteElementString(coordPrefix + GeometryGml2.GmlCoordY,
                                          WriteNumber(coordinate.Y));
            }
            else
            {
                writer.WriteElementString(GeometryGml2.GmlCoordX,
                                          WriteNumber(coordinate.X));
                writer.WriteElementString(GeometryGml2.GmlCoordY,
                                          WriteNumber(coordinate.Y));
            }

            // if available, write the Z
            if (coordinate.Dimension > 2)
            {
                double dZ = coordinate.GetOrdinate(2);

                if (usePrefix)
                {
                    writer.WriteElementString(coordPrefix + GeometryGml2.GmlCoordZ,
                                              WriteNumber(dZ));
                }
                else
                {
                    writer.WriteElementString(GeometryGml2.GmlCoordZ,
                                              WriteNumber(dZ));
                }
            }

            // if available, add the M
            if (m_bIsMeasured)
            {
                if (coordinate.Dimension > 2)
                {
                    Coordinate3DM measured = (Coordinate3DM)(coordinate);

                    if (usePrefix)
                    {
                        writer.WriteElementString(coordPrefix +
                                                  GeometryGml2.GmlCoordM, WriteNumber(measured.Measure));
                    }
                    else
                    {
                        writer.WriteElementString(GeometryGml2.GmlCoordM,
                                                  WriteNumber(measured.Measure));
                    }
                }
                else
                {
                    CoordinateM measured = (CoordinateM)(coordinate);

                    if (usePrefix)
                    {
                        writer.WriteElementString(coordPrefix +
                                                  GeometryGml2.GmlCoordM, WriteNumber(measured.Measure));
                    }
                    else
                    {
                        writer.WriteElementString(GeometryGml2.GmlCoordM,
                                                  WriteNumber(measured.Measure));
                    }
                }
            }

            writer.WriteEndElement();
        }
        /// <summary>
        ///
        /// </summary>
        /// <param name="coordinate"></param>
        /// <param name="writer"></param>
        private void Write(Coordinate coordinate, XmlWriter writer)
        {
            bool   usePrefix   = false;
            string coordPrefix = null;

            if (m_bUsePrefix && (m_strPrefix != null && m_strPrefix.Length != 0))
            {
                usePrefix = true;

                coordPrefix = m_strPrefix + ":";
            }

            // if used to use the "coord" coordinates option or we have the
            // measured coordinate type...
            if (m_bUseCoord || m_bIsMeasured)
            {
                if (usePrefix)
                {
                    writer.WriteStartElement(m_strPrefix, GeometryGml2.GmlCoord, null);
                }
                else
                {
                    writer.WriteStartElement(GeometryGml2.GmlCoord);
                }

                // write the X and Y
                if (usePrefix)
                {
                    writer.WriteElementString(coordPrefix + GeometryGml2.GmlCoordX,
                                              WriteNumber(coordinate.X));
                    writer.WriteElementString(coordPrefix + GeometryGml2.GmlCoordY,
                                              WriteNumber(coordinate.Y));
                }
                else
                {
                    writer.WriteElementString(GeometryGml2.GmlCoordX,
                                              WriteNumber(coordinate.X));
                    writer.WriteElementString(GeometryGml2.GmlCoordY,
                                              WriteNumber(coordinate.Y));
                }

                // if available, write the Z
                if (coordinate.Dimension > 2)
                {
                    double dZ = coordinate.GetOrdinate(2);

                    if (usePrefix)
                    {
                        writer.WriteElementString(coordPrefix + GeometryGml2.GmlCoordZ,
                                                  WriteNumber(dZ));
                    }
                    else
                    {
                        writer.WriteElementString(GeometryGml2.GmlCoordZ,
                                                  WriteNumber(dZ));
                    }
                }

                // if available, add the M
                if (m_bIsMeasured)
                {
                    if (coordinate.Dimension > 2)
                    {
                        Coordinate3DM measured = (Coordinate3DM)(coordinate);

                        if (usePrefix)
                        {
                            writer.WriteElementString(coordPrefix +
                                                      GeometryGml2.GmlCoordM, WriteNumber(measured.Measure));
                        }
                        else
                        {
                            writer.WriteElementString(GeometryGml2.GmlCoordM,
                                                      WriteNumber(measured.Measure));
                        }
                    }
                    else
                    {
                        CoordinateM measured = (CoordinateM)(coordinate);

                        if (usePrefix)
                        {
                            writer.WriteElementString(coordPrefix +
                                                      GeometryGml2.GmlCoordM, WriteNumber(measured.Measure));
                        }
                        else
                        {
                            writer.WriteElementString(GeometryGml2.GmlCoordM,
                                                      WriteNumber(measured.Measure));
                        }
                    }
                }

                writer.WriteEndElement();
            }
            else
            {
                if (usePrefix)
                {
                    writer.WriteStartElement(m_strPrefix,
                                             GeometryGml2.GmlCoordinates, null);
                }
                else
                {
                    writer.WriteStartElement(GeometryGml2.GmlCoordinates);
                }

                if (coordinate.Dimension > 2)
                {
                    double dZ = coordinate.GetOrdinate(2);

                    writer.WriteString(WriteNumber(coordinate.X) +
                                       GeometryGml2.GmlCoordinateSeparator
                                       + WriteNumber(coordinate.Y) + GeometryGml2.GmlCoordinateSeparator
                                       + WriteNumber(dZ));
                }
                else
                {
                    writer.WriteString(WriteNumber(coordinate.X) +
                                       GeometryGml2.GmlCoordinateSeparator
                                       + WriteNumber(coordinate.Y));
                }

                writer.WriteEndElement();
            }
        }
        /// <summary>
        ///
        /// </summary>
        /// <param name="reader"></param>
        /// <returns></returns>
        private Coordinate ReadCoord(XmlReader reader)
        {
            Coordinate coordinate = null;

            double x = 0, y = 0, z = Double.NaN, m = Double.NaN;

            while (reader.Read())
            {
                if (reader.NodeType == XmlNodeType.Element)
                {
                    if (reader.Name == GeometryGml2.GmlCoordX)
                    {
                        x = Convert.ToDouble(reader.ReadString());
                    }
                    else if (reader.Name == GeometryGml2.GmlCoordY)
                    {
                        y = Convert.ToDouble(reader.ReadString());
                    }
                    else if (reader.Name == GeometryGml2.GmlCoordZ)
                    {
                        z = Convert.ToDouble(reader.ReadString());
                    }
                    else if (reader.Name == GeometryGml2.GmlCoordM)
                    {
                        m = Convert.ToDouble(reader.ReadString());
                    }
                }
                else if (reader.NodeType == XmlNodeType.EndElement)
                {
                    if (reader.Name == GeometryGml2.GmlCoord)
                    {
                        break;
                    }
                }
            }

            if (Double.IsNaN(z) || Double.IsInfinity(z))
            {
                if ((Double.IsNaN(m) || Double.IsInfinity(m)))
                {
                    coordinate = new Coordinate(x, y);
                }
                else
                {
                    coordinate = new CoordinateM(x, y, m);
                }
            }
            else
            {
                if ((Double.IsNaN(m) || Double.IsInfinity(m)))
                {
                    coordinate = new Coordinate3D(x, y, z);
                }
                else
                {
                    coordinate = new Coordinate3DM(x, y, z, m);
                }
            }

            return(coordinate);
        }