public LASFile(string path, LASHeader header, LASVLR[] vlrs, LASEVLR[] evlrs)
: base(path)
{
m_header = header;
m_vlrs = vlrs;
m_evlrs = evlrs;
using (var stream = File.Create(FilePath))
{
using (var writer = new FlexibleBinaryWriter(stream))
{
header.Serialize(writer);
}
//header.WriteVLRs(stream, vlrs);
}
m_extent = m_header.Extent;
}
public void WriteVLRs(Stream stream, LASVLR[] vlrs)
{
//m_numberOfVariableLengthRecords = vlrs.Length;
// my stream doesn't seek for now
stream.Seek(m_headerSize, SeekOrigin.Begin);
using (var writer = new FlexibleBinaryWriter(stream))
{
foreach (var vlr in vlrs)
{
writer.Write(vlr);
}
}
}
public void WriteEVLRs(Stream stream, LASEVLR[] vlrs)
{
stream.Seek((long)m_startOfFirstExtendedVariableLengthRecord, SeekOrigin.Begin);
using (var writer = new FlexibleBinaryWriter(stream))
{
foreach (var vlr in vlrs)
{
writer.Write(vlr);
}
}
}
public void WriteHeader()
{
Close();
// todo: mark as dirty somehow
using (var stream = File.OpenWrite(FilePath))
{
using (var writer = new FlexibleBinaryWriter(stream))
{
writer.Write(m_file.Header);
}
m_file.Header.WriteVLRs(stream, m_file.VLRs);
m_file.Header.WriteEVLRs(stream, m_file.EVLRs);
}
}
