Method init

LASzip/src/laswriteitemcompressed_v3.cpp:378–476

}

BOOL LASwriteItemCompressed_POINT14_v3::init(const U8* item, U32& context)
{
  /* on the first init create outstreams and encoders */

  if (outstream_channel_returns_XY == 0)
  {
    if (Endian::IS_LITTLE_ENDIAN)
    {
      outstream_channel_returns_XY = new ByteStreamOutArrayLE();
      outstream_Z = new ByteStreamOutArrayLE();
      outstream_classification = new ByteStreamOutArrayLE();
      outstream_flags = new ByteStreamOutArrayLE();
      outstream_intensity = new ByteStreamOutArrayLE();
      outstream_scan_angle = new ByteStreamOutArrayLE();
      outstream_user_data = new ByteStreamOutArrayLE();
      outstream_point_source = new ByteStreamOutArrayLE();
      outstream_gps_time = new ByteStreamOutArrayLE();
    }
    else
    {
      outstream_channel_returns_XY = new ByteStreamOutArrayBE();
      outstream_Z = new ByteStreamOutArrayBE();
      outstream_classification = new ByteStreamOutArrayBE();
      outstream_flags = new ByteStreamOutArrayBE();
      outstream_intensity = new ByteStreamOutArrayBE();
      outstream_scan_angle = new ByteStreamOutArrayBE();
      outstream_user_data = new ByteStreamOutArrayBE();
      outstream_point_source = new ByteStreamOutArrayBE();
      outstream_gps_time = new ByteStreamOutArrayBE();
    }

    /* create layer encoders */

    enc_channel_returns_XY = new ArithmeticEncoder();
    enc_Z = new ArithmeticEncoder();
    enc_classification = new ArithmeticEncoder();
    enc_flags = new ArithmeticEncoder();
    enc_intensity = new ArithmeticEncoder();
    enc_scan_angle = new ArithmeticEncoder();
    enc_user_data = new ArithmeticEncoder();
    enc_point_source = new ArithmeticEncoder();
    enc_gps_time = new ArithmeticEncoder();
  }
  else
  {
    /* otherwise just seek back */

    outstream_channel_returns_XY->seek(0);
    outstream_Z->seek(0);
    outstream_classification->seek(0);
    outstream_flags->seek(0);
    outstream_intensity->seek(0);
    outstream_scan_angle->seek(0);
    outstream_user_data->seek(0);
    outstream_point_source->seek(0);
    outstream_gps_time->seek(0);
  }