public LasFile(string filename, bool useShortFormat = true)
{
if (!File.Exists(filename))
{
throw new FileNotFoundException(string.Format("File {0} don`t exist!", filename), filename);
}
Filename = filename;
LasHeader = new LasHeader(filename, this);
LasVariableLengthRecords = new LasVariableLengthRecords(filename, LasHeader.NumberOfVariableLengthRecords);
LasPointDataRecords = new LasPointDataRecords(LasHeader, 250, useShortFormat);
}
public LasPointDataRecords(LasHeader header, int cols, bool useShortFormat)
{
double lengthY = header.MaxY - header.MinY;
double lengthX = header.MaxX - header.MinX;
double ratio = lengthY / lengthX;
_columns = cols;
_rows = (int)Math.Ceiling(ratio * cols);
_mapPoints = new List <int> [_rows, cols];
_classificationMap = new Dictionary <LasPoint.ClassificationType, List <int> >();
_stepX = lengthX / _columns;
_stepY = lengthY / _rows;
_points = new List <LasPoint>((int)header.NumberOfPointRecords);
_shortFormat = useShortFormat;
_header = header;
Format = (PointsFormat)header.PointDataFormatId;
ReadPoints();
}
