Exemple #1
0
        public static void MergeManyShpFile(string[] sourceFiles, String saveFileName, BackgroundWorker worker, DoWorkEventArgs e)
        {
            BinaryReader binaryReader1   = null;
            FileStream   fileStreamRead  = null;
            FileStream   fileStreamWrite = null;

            fileStreamWrite = new FileStream(saveFileName, FileMode.Create, FileAccess.Write);
            BinaryWriter  binaryWriter       = new BinaryWriter(fileStreamWrite);
            Record        record             = new Record();
            int           recordLastNum      = 0;
            ShpFileHeader shpFileHeaderTatal = new ShpFileHeader();
            ShpFileHeader shpFileHeaderRead  = new ShpFileHeader();

            for (int i = 0; i < sourceFiles.Length; i++)
            {
                fileStreamRead    = new FileStream(sourceFiles[i], FileMode.Open, FileAccess.Read, FileShare.None);
                binaryReader1     = new BinaryReader(fileStreamRead);
                shpFileHeaderRead = ShapeFileFunction.ReadShpFileHeader(binaryReader1);
                if (i == 0)
                {
                    ShapeFileFunction.WriteShpFileHeader(shpFileHeaderRead, binaryWriter);
                    shpFileHeaderTatal = shpFileHeaderRead;
                }
                else
                {
                    shpFileHeaderTatal = ShapeFileFunction.MergeShpHeader(shpFileHeaderTatal, shpFileHeaderRead);
                }
                while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
                {
                    record           = ShapeFileFunction.ReadRecord(binaryReader1);
                    record.recordNum = recordLastNum++;
                    ShapeFileFunction.WriteRecord(record, binaryWriter);
                }
                binaryReader1.Close();
                fileStreamRead.Close();
                worker.ReportProgress(i * 100 / (sourceFiles.Length - 1));
                //  Thread.Sleep(200);
                if (worker.CancellationPending)
                {
                    fileStreamWrite.Seek(0, SeekOrigin.Begin);
                    WriteShpFileHeader(shpFileHeaderTatal, binaryWriter);
                    binaryWriter.Close();
                    fileStreamWrite.Close();
                    e.Cancel = true;
                    return;
                }
            }

            fileStreamWrite.Seek(0, SeekOrigin.Begin);
            WriteShpFileHeader(shpFileHeaderTatal, binaryWriter);
            binaryWriter.Close();
            fileStreamWrite.Close();
        }
Exemple #2
0
        public static void WriteShpFileHeader(ShpFileHeader shpFileHeader, BinaryWriter binaryWriter)
        {
            WriteInt32UsingBigEndian(shpFileHeader.fileCode, binaryWriter);
            WriteInt32UsingBigEndian(shpFileHeader.unUsed1, binaryWriter);
            WriteInt32UsingBigEndian(shpFileHeader.unUsed2, binaryWriter);
            WriteInt32UsingBigEndian(shpFileHeader.unUsed3, binaryWriter);
            WriteInt32UsingBigEndian(shpFileHeader.unUsed4, binaryWriter);
            WriteInt32UsingBigEndian(shpFileHeader.unUsed5, binaryWriter);
            WriteInt32UsingBigEndian(shpFileHeader.fileLength, binaryWriter);

            binaryWriter.Write(shpFileHeader.fileVerion);
            binaryWriter.Write(shpFileHeader.shapeType);

            WriteBoundingBox(shpFileHeader.boundingBox, binaryWriter);
        }
Exemple #3
0
        public static ShpFileHeader ReadShpFileHeader(BinaryReader binaryReader)
        {
            ShpFileHeader shpFileHeader = new ShpFileHeader();

            shpFileHeader.fileCode    = ReadInt32UsingBigEndian(binaryReader);
            shpFileHeader.unUsed1     = ReadInt32UsingBigEndian(binaryReader);
            shpFileHeader.unUsed2     = ReadInt32UsingBigEndian(binaryReader);
            shpFileHeader.unUsed3     = ReadInt32UsingBigEndian(binaryReader);
            shpFileHeader.unUsed4     = ReadInt32UsingBigEndian(binaryReader);
            shpFileHeader.unUsed5     = ReadInt32UsingBigEndian(binaryReader);
            shpFileHeader.fileLength  = ReadInt32UsingBigEndian(binaryReader);
            shpFileHeader.fileVerion  = binaryReader.ReadInt32();
            shpFileHeader.shapeType   = binaryReader.ReadInt32();
            shpFileHeader.boundingBox = ReadBoundingBox(binaryReader);

            return(shpFileHeader);
        }
        public static void MergeManyShpFile(string[] sourceFiles, String saveFileName, ContorlMinAndMaxValue contorlMinAndMaxValue, RefreshValue refreshValue)
        {
            BinaryReader binaryReader1   = null;
            FileStream   fileStreamRead  = null;
            FileStream   fileStreamWrite = null;

            fileStreamWrite = new FileStream(saveFileName, FileMode.Create, FileAccess.Write);
            BinaryWriter  binaryWriter       = new BinaryWriter(fileStreamWrite);
            Record        record             = new Record();
            int           recordLastNum      = 0;
            ShpFileHeader shpFileHeaderTatal = new ShpFileHeader();
            ShpFileHeader shpFileHeaderRead  = new ShpFileHeader();

            contorlMinAndMaxValue(0, sourceFiles.Length - 1);
            for (int i = 0; i < sourceFiles.Length; i++)
            {
                fileStreamRead    = new FileStream(sourceFiles[i], FileMode.Open, FileAccess.Read, FileShare.None);
                binaryReader1     = new BinaryReader(fileStreamRead);
                shpFileHeaderRead = ShapeFileFunction.ReadShpFileHeader(binaryReader1);
                if (i == 0)
                {
                    ShapeFileFunction.WriteShpFileHeader(shpFileHeaderRead, binaryWriter);
                    shpFileHeaderTatal = shpFileHeaderRead;
                }
                else
                {
                    shpFileHeaderTatal = ShapeFileFunction.MergeShpHeader(shpFileHeaderTatal, shpFileHeaderRead);
                }
                while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
                {
                    record           = ShapeFileFunction.ReadRecord(binaryReader1);
                    record.recordNum = recordLastNum++;
                    ShapeFileFunction.WriteRecord(record, binaryWriter);
                }
                binaryReader1.Close();
                fileStreamRead.Close();
                Thread.Sleep(500);
                refreshValue(i);
            }
            fileStreamWrite.Seek(0, SeekOrigin.Begin);
            WriteShpFileHeader(shpFileHeaderTatal, binaryWriter);
            binaryWriter.Close();
            fileStreamWrite.Close();
        }
Exemple #5
0
        public static void MergeTwoShpFile(string sourceFileName1, string sourceFileName2, String saveFileName)
        {
            BinaryReader binaryReader1 = null;
            BinaryReader binaryReader2 = null;
            FileStream   fileStream1   = null;
            FileStream   fileStream2   = null;
            FileStream   fileStream3   = null;

            try
            {
                fileStream1   = new FileStream(sourceFileName1, FileMode.Open, FileAccess.Read, FileShare.None);
                binaryReader1 = new BinaryReader(fileStream1);
                fileStream2   = new FileStream(sourceFileName2, FileMode.Open, FileAccess.Read, FileShare.None);
                binaryReader2 = new BinaryReader(fileStream2);

                fileStream3 = new FileStream(saveFileName, FileMode.Create, FileAccess.Write);
                BinaryWriter binaryWriter = new BinaryWriter(fileStream3);

                ShpFileHeader shpFileHeader1 = new ShpFileHeader();
                shpFileHeader1 = ShapeFileFunction.ReadShpFileHeader(binaryReader1);

                ShpFileHeader shpFileHeader2 = new ShpFileHeader();
                shpFileHeader2 = ShapeFileFunction.ReadShpFileHeader(binaryReader2);
                ShpFileHeader shpFileHeader3 = ShapeFileFunction.MergeShpHeader(shpFileHeader1, shpFileHeader2);

                ShapeFileFunction.WriteShpFileHeader(shpFileHeader3, binaryWriter);

                MergeShpRecord(binaryReader1, binaryReader2, binaryWriter);
                binaryReader1.Close();
                fileStream1.Close();
                binaryReader2.Close();
                fileStream2.Close();
                binaryReader1 = null;
                binaryReader2 = null;
                fileStream1   = null;
                fileStream2   = null;
                fileStream3   = null;
                binaryWriter.Close();
                fileStream2.Close();
            }
            catch (Exception ex)
            {
                Console.WriteLine("在合并文件的过程中,发生了异常!");
                Console.WriteLine(ex.Message);
                Console.WriteLine(ex.StackTrace);
            }
            finally
            {
                if (fileStream1 != null || fileStream2 != null || fileStream3 != null)
                {
                    try
                    {
                        fileStream1.Close();
                        fileStream2.Close();
                        fileStream3.Close();
                    }
                    catch
                    {
                        // 最后关闭文件,无视关闭是否会发生错误了.
                    }
                }
            }
        }
Exemple #6
0
 public static ShpFileHeader MergeShpHeader(ShpFileHeader shpFileHeader1, ShpFileHeader shpFileHeader2)
 {
     shpFileHeader1.fileLength  = shpFileHeader1.fileLength + shpFileHeader2.fileLength - 50;
     shpFileHeader1.boundingBox = MergeBoundingBox(shpFileHeader1.boundingBox, shpFileHeader2.boundingBox);
     return(shpFileHeader1);
 }