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();
}
public static void MergeShpRecord(BinaryReader binaryReader1, BinaryReader binaryReader2, BinaryWriter binaryWriter)
{
Record record = new Record();
while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
{
record = ShapeFileFunction.ReadRecord(binaryReader1);
ShapeFileFunction.WriteRecord(record, binaryWriter);
}
int recordLastNum = record.recordNum;
while (binaryReader2.BaseStream.Position < binaryReader2.BaseStream.Length)
{
record = ShapeFileFunction.ReadRecord(binaryReader2);
record.recordNum = recordLastNum + record.recordNum;
ShapeFileFunction.WriteRecord(record, binaryWriter);
}
}
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();
}
