コード例 #1
0
        /// <summary>
        /// This handles the creation of the
        /// </summary>
        private void Initialize()
        {
            byte[] overviewHeader = new byte[176];
            using (Stream str = GetStream())
            {
                if (str == null)
                {
                    return;
                }
                str.Read(overviewHeader, 0, 176);
            }
            byte[] bCount = new byte[4];
            Array.Copy(overviewHeader, 8 + 32, bCount, 0, 4);
            if (!BitConverter.IsLittleEndian)
            {
                Array.Reverse(bCount);
            }
            int  numGrids = BitConverter.ToInt32(bCount, 0);
            long offset   = 176;

            for (int iGrid = 0; iGrid < numGrids; iGrid++)
            {
                string   location = FileIsEmbedded ? ManifestResourceString : GridFilePath;
                NadTable sub      = new GsbNadTable(location, offset, FileIsEmbedded, RequiresDecompression);
                sub.ReadHeader();
                offset += 176 + sub.NumPhis * sub.NumLambdas * 16;
                SubGrids.Add(sub);
            }
        }
コード例 #2
0
        /// <summary>
        /// This method parses the extension of a resource location or
        /// path and creates the new NadTable type.
        /// </summary>
        /// <param name="location"></param>
        /// <param name="embedded"></param>
        /// <returns></returns>
        public static NadTable FromSourceName(string location, bool embedded)
        {
            NadTable result = null;
            string   ext    = Path.GetExtension(location).ToLower();

            switch (ext)
            {
            case ".lla":
                result = new LlaNadTable(location, embedded);
                break;

            case ".gsb":
                result = new GsbNadTable(location, 0, embedded);
                break;

            case ".dat":
                result = new DatNadTable(location, embedded);
                break;

            case ".los":
                result = new LasLosNadTable(location, embedded);
                break;
            }
            if (result != null)
            {
                result.ReadHeader();
            }
            return(result);
        }
コード例 #3
0
ファイル: GsbNadTable.cs プロジェクト: DIVEROVIEDO/DotSpatial
 /// <summary>
 /// This handles the creation of the
 /// </summary>
 private void Initialize()
 {
     byte[] overviewHeader = new byte[176];
     using (Stream str = GetStream())
     {
         if (str == null) return;
         str.Read(overviewHeader, 0, 176);
     }
     byte[] bCount = new byte[4];
     Array.Copy(overviewHeader, 8 + 32, bCount, 0, 4);
     if (!BitConverter.IsLittleEndian) Array.Reverse(bCount);
     int numGrids = BitConverter.ToInt32(bCount, 0);
     long offset = 176;
     for (int iGrid = 0; iGrid < numGrids; iGrid++)
     {
         string location = FileIsEmbedded ? ManifestResourceString : GridFilePath;
         NadTable sub = new GsbNadTable(location, offset, FileIsEmbedded);
         sub.ReadHeader();
         offset += 176 + sub.NumPhis * sub.NumLambdas * 16;
         SubGrids.Add(sub);
     }
 }
コード例 #4
0
ファイル: NadTable.cs プロジェクト: ExRam/DotSpatial-PCL
 /// <summary>
 /// This method parses the extension of a resource location or
 /// path and creates the new NadTable type.
 /// </summary>
 /// <param name="location"></param>
 /// <param name="embedded"></param>
 /// <returns></returns>
 public static NadTable FromSourceName(string location, bool embedded)
 {
     NadTable result = null;
     string ext = Path.GetExtension(location).ToLower();
     switch (ext)
     {
         case ".lla":
             result = new LlaNadTable(location, embedded);
             break;
         case ".gsb":
             result = new GsbNadTable(location, 0, embedded);
             break;
         case ".dat":
             result = new DatNadTable(location, embedded);
             break;
         case ".los":
             result = new LasLosNadTable(location, embedded);
             break;
     }
     if (result != null) result.ReadHeader();
     return result;
 }