public PCXRPoint GetNextPoint()
{
bool pointReturned = false;
PCXRPoint point;
if (_PointsRead <= _Header.NumberOfPoints)
{
if (_BufferCurrentPoint < _NumberOfPointsToBuffer)
{
pointReturned = true;
point = ReadPoint();
return(point);
}
else
{
// Fill buffer
FillBuffer();
point = ReadPoint();
pointReturned = true;
return(point);
}
}
if (!pointReturned)
{
Exception ex = new Exception("No more points in data");
throw ex;
}
point = new PCXRPoint();
return(point);
}
private PCXRPoint ReadPoint()
{
PCXRPoint point = new PCXRPoint();
_OffsetInBuffer = _BufferCurrentPoint * _Header.Stride * sizeof(float);
point.x = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 0);
point.y = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 4);
point.z = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 8);
point.red = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 12);
point.green = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 16);
point.blue = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 20);
point.alpha = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 24);
point.deleted = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 28);
point.selected = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 32);
point.intensity_normalized = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 36);
point.classification = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 40);
point.id = BitConverter.ToSingle(_Buffer, _OffsetInBuffer + 44);
_BufferCurrentPoint++;
_PointsRead++;
return(point);
}
public void WritePointOptimized(PCXRPoint point)
{
point.ToByteArray().CopyTo(_Buffer, _PointsBuffered * _Header.Stride * sizeof(float));
_PointsBuffered++;
if (_PointsBuffered == _NumberOfPointsToBuffer)
{
_PointsBuffered = 0;
_PointsWritten += _NumberOfPointsToBuffer;
}
}
public void WritePoint(PCXRPoint point)
{
_Writer.Write(point.x);
_Writer.Write(point.y);
_Writer.Write(point.z);
_Writer.Write(point.red);
_Writer.Write(point.green);
_Writer.Write(point.blue);
_Writer.Write(point.alpha);
_Writer.Write(point.deleted);
_Writer.Write(point.selected);
_Writer.Write(point.intensity_normalized);
_Writer.Write(point.classification);
_Writer.Write(point.id);
}
public void WritePoint(PCXRPoint point)
{
if ((_UseBuffer == true) && (_PointsWritten == (_NumberOfPoints - _BufferSpill)))
{
_UseBuffer = false;
}
if (_UseBuffer)
{
if (_PointsBuffered < (_NumberOfPointsToBuffer - 1))
{
point.ToByteArray().CopyTo(_Buffer, _PointsBuffered * _Header.Stride * sizeof(float));
_PointsBuffered++;
return;
}
else
{
try
{
point.ToByteArray().CopyTo(_Buffer, _PointsBuffered * _Header.Stride * sizeof(float));
_PointsBuffered++;
_StreamWriter.Write(_Buffer, 0, _NumberOfPointsToBuffer * _Header.Stride * sizeof(float));
_PointsWritten += _NumberOfPointsToBuffer;
}
catch (Exception e)
{
Console.Write(e.Message);
}
_PointsBuffered = 0;
return;
}
}
else
{
byte[] pointBytes = point.ToByteArray();
_StreamWriter.Write(pointBytes, 0, pointBytes.Length);
_PointsWritten++;
return;
}
}
