//-----------------------------------------------------------------------------
/// <summary>
/// Calculates the size of the canvas and determine the number of required tiles.
/// It then creates polygons (rectangle) for each area considering the given offset.
/// </summary>
/// <param name="prmFiles">List of LAS files to be processed</param>
private void UpdateCommonHeader(IEnumerable <String> prmFiles)
{
m_AreaHeader = GetDefaultLasHeader();
foreach (String lasFile in prmFiles)
{
using (TcLasReader lasReader = new TcLasReader(lasFile))
{
m_AreaHeader.MinX = Math.Min(m_AreaHeader.MinX, lasReader.Header.MinX);
m_AreaHeader.MinY = Math.Min(m_AreaHeader.MinY, lasReader.Header.MinY);
m_AreaHeader.MinZ = Math.Min(m_AreaHeader.MinZ, lasReader.Header.MinZ);
m_AreaHeader.MaxX = Math.Max(m_AreaHeader.MaxX, lasReader.Header.MaxX);
m_AreaHeader.MaxY = Math.Max(m_AreaHeader.MaxY, lasReader.Header.MaxY);
m_AreaHeader.MaxZ = Math.Max(m_AreaHeader.MaxZ, lasReader.Header.MaxZ);
m_AreaHeader.XOffset = Math.Min(m_AreaHeader.XOffset, lasReader.Header.XOffset);
m_AreaHeader.YOffset = Math.Min(m_AreaHeader.YOffset, lasReader.Header.YOffset);
m_AreaHeader.ZOffset = Math.Min(m_AreaHeader.ZOffset, lasReader.Header.ZOffset);
m_AreaHeader.XScaleFactor = Math.Min(m_AreaHeader.XScaleFactor, lasReader.Header.XScaleFactor);
m_AreaHeader.YScaleFactor = Math.Min(m_AreaHeader.YScaleFactor, lasReader.Header.YScaleFactor);
m_AreaHeader.ZScaleFactor = Math.Min(m_AreaHeader.ZScaleFactor, lasReader.Header.ZScaleFactor);
m_TileInfos[lasFile] = new TcIndexedLasInfo(lasFile)
{
Header = lasReader.Header
};
}
}
}
//-----------------------------------------------------------------------------
public TcTileLasReader(TcIndexedLasInfo prmInfo)
: this(prmInfo.LasFile, prmInfo.TileInfoCollection)
{
}
