//-----------------------------------------------------------------------------
/// <summary>
/// Function to return polygons from a polygon file with empty lines as null.
/// </summary>
/// <param name="prmFile">Polygon file</param>
/// <param name="prmSeparator">Separator</param>
/// <param name="prmIsXYInverted">True if the sequence is X, Y and False otherwise</param>
/// <returns>List of polygons</returns>
static private List <TcPolygon> GetPolygons(String prmFile, Char prmSeparator, Double prmBuffer, Boolean prmIsXYInverted)
{
IEnumerable <TcPoint> allPoints = GetPointsFromPolygonFileWithNull(prmFile, prmSeparator, prmIsXYInverted);
List <TcPolygon> polygons = new List <TcPolygon>();
List <TcPoint> points = new List <TcPoint>();
foreach (TcPoint point in allPoints)
{
if (point == null && points.Count > 0)
{
TcPolygon poly = new TcPolygon(points);
poly.AddOffset(prmBuffer);
polygons.Add(poly);
points.Clear();
}
else if (point != null)
{
points.Add(point);
}
}
if (points.Count > 0)
{
polygons.Add(new TcPolygon(points));
}
return(polygons);
}
//-----------------------------------------------------------------------------
public void ExportPolygon(IEnumerable <String> prmFiles, TcPolygon prmPolygon, String prmOutputFile)
{
// Function to update the list of tiles to be processed.
UpdateCommonHeader(prmFiles);
// Process a set of blocks to be processed for the given tiles.
ProcessBlockSets(prmFiles, new TcPolygon(prmPolygon.Points, Buffer), prmOutputFile);
ReportFinished();
}
