コード例 #1
0
 public string[] GetFields()
 {
     string[] result = null;
     try
     {
         using (DotNetDBF.DBFReader dbf = new DotNetDBF.DBFReader(string.Format("{0}dbf", _shpFilename.Substring(0, _shpFilename.Length - 3)), _dbfEncoding))
         {
             var fields = dbf.Fields;
             result = (from s in fields select s.Name).ToArray();
         }
     }
     catch
     {
     }
     return(result);
 }
コード例 #2
0
 public string[] GetFields()
 {
     string[] result = null;
     try
     {
         using (DotNetDBF.DBFReader dbf = new DotNetDBF.DBFReader(string.Format("{0}dbf", _shpFilename.Substring(0, _shpFilename.Length - 3)), _dbfEncoding))
         {
             var fields = dbf.Fields;
             result = (from s in fields select s.Name).ToArray();
         }
     }
     catch (Exception e)
     {
         Core.ApplicationData.Instance.Logger.AddLog(this, e);
     }
     return(result);
 }
コード例 #3
0
        public bool Initialize(string dbfNameFieldName, CoordType coordType, Framework.Data.AreaType areaType, string namePrefix, string dbfEncoding)
        {
            bool result = false;

            try
            {
                _coordType     = coordType;
                _shpFileStream = File.OpenRead(_shpFilename);
                _areaType      = areaType;
                _dbfEncoding   = dbfEncoding;
                int FileCode = GetInt32(_shpFileStream, false);
                if (FileCode == 9994)
                {
                    _shpFileStream.Position = 24;
                    _shpFileSize            = GetInt32(_shpFileStream, false);
                    _shpVersion             = GetInt32(_shpFileStream, true);
                    _shpShapeType           = (ShapeType)GetInt32(_shpFileStream, true);
                    _shpXMin = GetDouble(_shpFileStream, true);
                    _shpYMin = GetDouble(_shpFileStream, true);
                    _shpXMax = GetDouble(_shpFileStream, true);
                    _shpYMax = GetDouble(_shpFileStream, true);

                    using (FileStream fs = File.OpenRead(string.Format("{0}shx", _shpFilename.Substring(0, _shpFilename.Length - 3))))
                    {
                        FileCode = GetInt32(fs, false);
                        if (FileCode == 9994)
                        {
                            fs.Position = 24;
                            int shxFileSize = GetInt32(fs, false);
                            int shxVersion  = GetInt32(fs, true);

                            int intRecordCount = ((shxFileSize * 2) - 100) / 8;
                            fs.Position   = 100;
                            _indexRecords = new IndexRecord[intRecordCount];
                            for (int i = 0; i < intRecordCount; i++)
                            {
                                _indexRecords[i] = new IndexRecord()
                                {
                                    Offset = GetInt32(fs, false) * 2, ContentLength = GetInt32(fs, false) * 2
                                };
                            }
                            for (int i = 0; i < intRecordCount; i++)
                            {
                                IndexRecord ir = _indexRecords[i];
                                _shpFileStream.Position = ir.Offset + 8;
                                ir.ShapeType            = (ShapeType)GetInt32(_shpFileStream, true);
                                if (ir.ShapeType == ShapeType.NullShape)
                                {
                                    ir.ShapeType = _shpShapeType;
                                }
                                switch (ir.ShapeType)
                                {
                                case ShapeType.Polygon:
                                case ShapeType.PolygonZ:
                                case ShapeType.PolygonM:
                                case ShapeType.MultiPatch:
                                    ir.XMin   = GetDouble(_shpFileStream, true);
                                    ir.YMin   = GetDouble(_shpFileStream, true);
                                    ir.XMax   = GetDouble(_shpFileStream, true);
                                    ir.YMax   = GetDouble(_shpFileStream, true);
                                    ir.Ignore = false;
                                    break;

                                default:
                                    ir.Ignore = true;
                                    break;
                                }
                            }
                            using (DotNetDBF.DBFReader dbf = new DotNetDBF.DBFReader(string.Format("{0}dbf", _shpFilename.Substring(0, _shpFilename.Length - 3)), _dbfEncoding))
                            {
                                var fields = dbf.Fields;
                                dbf.SetSelectFields(new string[] { dbfNameFieldName });
                                var rec   = dbf.NextRecord();
                                int index = 0;
                                while (rec != null)
                                {
                                    if (!_indexRecords[index].Ignore)
                                    {
                                        _indexRecords[index].Name = string.Format("{0}{1}", namePrefix, rec[0]);
                                    }
                                    else
                                    {
                                        _indexRecords[index].Name = null;
                                    }
                                    index++;
                                    if (index < _indexRecords.Length)
                                    {
                                        rec = dbf.NextRecord();
                                    }
                                    else
                                    {
                                        rec = null;
                                    }
                                }
                            }

                            // all ok, check if we need to convert the coords to WGS84, the internal coord system
                            if (_coordType == CoordType.DutchGrid)
                            {
                                Utils.Calculus.LatLonFromRD(_shpXMin, _shpYMin, out _shpYMin, out _shpXMin);
                                Utils.Calculus.LatLonFromRD(_shpXMax, _shpYMax, out _shpYMax, out _shpXMax);

                                double lat;
                                double lon;
                                for (int i = 0; i < intRecordCount; i++)
                                {
                                    IndexRecord ir = _indexRecords[i];
                                    Utils.Calculus.LatLonFromRD(ir.XMin, ir.YMin, out lat, out lon);
                                    ir.YMin = lat;
                                    ir.XMin = lon;
                                    Utils.Calculus.LatLonFromRD(ir.XMax, ir.YMax, out lat, out lon);
                                    ir.YMax = lat;
                                    ir.XMax = lon;
                                }
                            }

                            var areaNames = (from a in _indexRecords select a.Name).Distinct();
                            foreach (var name in areaNames)
                            {
                                var records = from r in _indexRecords where r.Name == name select r;
                                Framework.Data.AreaInfo ai = new Framework.Data.AreaInfo();
                                ai.ID       = ai;
                                ai.Level    = areaType;
                                ai.MaxLat   = records.Max(x => x.YMax);
                                ai.MaxLon   = records.Max(x => x.XMax);
                                ai.MinLat   = records.Min(x => x.YMin);
                                ai.MinLon   = records.Min(x => x.XMin);
                                ai.Name     = name;
                                ai.ParentID = null; //not supported
                                _areaInfos.Add(ai);
                            }

                            result = true;
                        }
                    }
                }
            }
            catch
            {
            }
            return(result);
        }
コード例 #4
0
ファイル: ShapeFile.cs プロジェクト: patl12345/GAPP
 public string[] GetFields()
 {
     string[] result = null;
     try
     {
         using (DotNetDBF.DBFReader dbf = new DotNetDBF.DBFReader(string.Format("{0}dbf", _shpFilename.Substring(0, _shpFilename.Length - 3))))
         {
             var fields = dbf.Fields;
             result = (from s in fields select s.Name).ToArray();
         }
     }
     catch
     {
     }
     return result;
 }
コード例 #5
0
ファイル: ShapeFile.cs プロジェクト: patl12345/GAPP
        public bool Initialize(string dbfNameFieldName, CoordType coordType, Framework.Data.AreaType areaType, string namePrefix)
        {
            bool result = false;
            try
            {
                _coordType = coordType;
                _shpFileStream = File.OpenRead(_shpFilename);
                _areaType = areaType;
                int FileCode = GetInt32(_shpFileStream, false);
                if (FileCode==9994)
                {
                    _shpFileStream.Position = 24;
                    _shpFileSize = GetInt32(_shpFileStream, false);
                    _shpVersion = GetInt32(_shpFileStream, true);
                    _shpShapeType = (ShapeType)GetInt32(_shpFileStream, true);
                    _shpXMin = GetDouble(_shpFileStream, true);
                    _shpYMin = GetDouble(_shpFileStream, true);
                    _shpXMax = GetDouble(_shpFileStream, true);
                    _shpYMax = GetDouble(_shpFileStream, true);

                    using (FileStream fs = File.OpenRead(string.Format("{0}shx", _shpFilename.Substring(0, _shpFilename.Length - 3))))
                    {
                        FileCode = GetInt32(fs, false);
                        if (FileCode == 9994)
                        {
                            fs.Position = 24;
                            int shxFileSize = GetInt32(fs, false);
                            int shxVersion = GetInt32(fs, true);

                            int intRecordCount = ((shxFileSize * 2) - 100) / 8;
                            fs.Position = 100;
                            _indexRecords = new IndexRecord[intRecordCount];
                            for (int i = 0; i < intRecordCount; i++)
                            {
                                _indexRecords[i] = new IndexRecord() { Offset = GetInt32(fs, false) * 2, ContentLength = GetInt32(fs, false) * 2 };
                            }
                            for (int i = 0; i < intRecordCount; i++)
                            {
                                IndexRecord ir = _indexRecords[i];
                                _shpFileStream.Position = ir.Offset + 8;
                                ir.ShapeType = (ShapeType)GetInt32(_shpFileStream, true);
                                if (ir.ShapeType == ShapeType.NullShape)
                                {
                                    ir.ShapeType = _shpShapeType;
                                }
                                switch (ir.ShapeType)
                                {
                                    case ShapeType.Polygon:
                                    case ShapeType.PolygonZ:
                                    case ShapeType.PolygonM:
                                    case ShapeType.MultiPatch:
                                        ir.XMin = GetDouble(_shpFileStream, true);
                                        ir.YMin = GetDouble(_shpFileStream, true);
                                        ir.XMax = GetDouble(_shpFileStream, true);
                                        ir.YMax = GetDouble(_shpFileStream, true);
                                        ir.Ignore = false;
                                        break;
                                    default:
                                        ir.Ignore = true;
                                        break;
                                }
                            }
                            using (DotNetDBF.DBFReader dbf = new DotNetDBF.DBFReader(string.Format("{0}dbf", _shpFilename.Substring(0, _shpFilename.Length - 3))))
                            {
                                var fields = dbf.Fields;
                                dbf.SetSelectFields(new string[]{dbfNameFieldName});
                                var rec = dbf.NextRecord();
                                int index = 0;
                                while (rec != null)
                                {
                                    if (!_indexRecords[index].Ignore)
                                    {
                                        _indexRecords[index].Name = string.Format("{0}{1}",namePrefix,rec[0]);
                                        if (_indexRecords[index].Name == "Fryslân" || _indexRecords[index].Name == "Frysl�n")
                                        {
                                            _indexRecords[index].Name = "Friesland";
                                        }
                                        else
                                        {
                                            _indexRecords[index].Name = _indexRecords[index].Name.Replace("�", "â");
                                        }
                                    }
                                    else
                                    {
                                        _indexRecords[index].Name = null;
                                    }
                                    index++;
                                    if (index < _indexRecords.Length)
                                    {
                                        rec = dbf.NextRecord();
                                    }
                                    else
                                    {
                                        rec = null;
                                    }
                                }
                            }

                            // all ok, check if we need to convert the coords to WGS84, the internal coord system
                            if (_coordType == CoordType.DutchGrid)
                            {
                                Utils.Calculus.LatLonFromRD(_shpXMin, _shpYMin, out _shpYMin, out _shpXMin);
                                Utils.Calculus.LatLonFromRD(_shpXMax, _shpYMax, out _shpYMax, out _shpXMax);

                                double lat;
                                double lon;
                                for (int i = 0; i < intRecordCount; i++)
                                {
                                    IndexRecord ir = _indexRecords[i];
                                    Utils.Calculus.LatLonFromRD(ir.XMin, ir.YMin, out lat, out lon);
                                    ir.YMin = lat;
                                    ir.XMin = lon;
                                    Utils.Calculus.LatLonFromRD(ir.XMax, ir.YMax, out lat, out lon);
                                    ir.YMax = lat;
                                    ir.XMax = lon;
                                }
                            }

                            var areaNames = (from a in _indexRecords select a.Name).Distinct();
                            foreach (var name in areaNames)
                            {
                                var records = from r in _indexRecords where r.Name == name select r;
                                Framework.Data.AreaInfo ai = new Framework.Data.AreaInfo();
                                ai.ID = ai;
                                ai.Level = areaType;
                                ai.MaxLat = records.Max(x => x.YMax);
                                ai.MaxLon = records.Max(x => x.XMax);
                                ai.MinLat = records.Min(x => x.YMin);
                                ai.MinLon = records.Min(x => x.XMin);
                                ai.Name = name;
                                ai.ParentID = null; //not supported
                                _areaInfos.Add(ai);
                            }

                            result = true;
                        }
                    }
                }
            }
            catch
            {
            }
            return result;
        }
コード例 #6
0
ファイル: ShapeFile.cs プロジェクト: gahadzikwa/GAPP
 public string[] GetFields()
 {
     string[] result = null;
     try
     {
         using (DotNetDBF.DBFReader dbf = new DotNetDBF.DBFReader(string.Format("{0}dbf", _shpFilename.Substring(0, _shpFilename.Length - 3)), _dbfEncoding))
         {
             var fields = dbf.Fields;
             result = (from s in fields select s.Name).ToArray();
         }
     }
     catch(Exception e)
     {
         Core.ApplicationData.Instance.Logger.AddLog(this, e);
     }
     return result;
 }