public bool MoveNext()
{
// check for cancel
if (m_current != null && m_process != null && !m_process.Update(m_current))
{
return(false);
}
if (m_stream.Position < m_endPosition)
{
int bytesRead = m_stream.Read(m_buffer.Data, 0, m_usableBytesPerBuffer);
if (bytesRead == 0)
{
throw new Exception("I did something wrong");
}
if (m_stream.Position > m_endPosition)
{
bytesRead -= (int)(m_stream.Position - m_endPosition);
}
int index = (m_current != null) ? m_current.Index + 1 : 0;
m_current = new PointCloudBinarySourceEnumeratorChunk(index, m_buffer, bytesRead, m_source.PointSizeBytes, (float)(m_stream.Position - m_source.PointDataOffset) / (m_endPosition - m_source.PointDataOffset));
return(true);
}
return(false);
}
public bool MoveNext()
{
// check for cancel
if (m_current != null && m_process != null && !m_process.Update(m_current))
{
return(false);
}
if (m_tileEnumerator.MoveNext())
{
PointCloudTile tile = m_tileEnumerator.Current;
tile.ReadTile(m_stream, m_buffer.Data);
m_current = new PointCloudTileSourceEnumeratorChunk(tile, m_buffer);
return(true);
}
return(false);
}
public bool MoveNext()
{
// check for cancel
if (m_current != null && m_process != null)
{
long pointsReadInPreviousSources = m_sources.Take(m_currentSourceIndex).Sum(s => s.Count);
float progress = (pointsReadInPreviousSources + m_current.Progress * m_sources[m_currentSourceIndex].Count) / m_points;
if (!m_process.Update(progress))
{
return(false);
}
}
if (m_currentSourceEnumerator != null && m_currentSourceEnumerator.MoveNext())
{
m_current = m_currentSourceEnumerator.Current;
return(true);
}
while (m_currentSourceIndex < m_sources.Length - 1)
{
if (m_currentSourceEnumerator != null)
{
m_currentSourceEnumerator.Dispose();
}
m_currentSourceIndex++;
m_currentSourceEnumerator = m_sources[m_currentSourceIndex].GetBlockEnumerator(m_buffer);
if (m_currentSourceEnumerator.MoveNext())
{
m_current = m_currentSourceEnumerator.Current;
return(true);
}
}
return(false);
}