protected override void HandleImpl()
{
_selectCommand.Execute();
var geometries = _selectCommand.Result.AsEnumerable().Select(r => new Geometry()
{
X = (double)r["X"],
Y = (double)r["Y"],
OrderNumber = (int)r["OrderNumber"],
PathId = Guid.Parse(r["PathId"].ToString()),
PolygonId = Guid.Parse(r["PolygonId"].ToString())
});
Polygons = new List <Polygon>();
foreach (var pol in geometries.GroupBy(g => g.PolygonId).ToList())
{
var polygon = new Polygon();
foreach (var pth in pol.GroupBy(g => g.PathId).ToList())
{
var path = new Path(pth.OrderBy(p => p.OrderNumber).Select(p => new Point(p.X, p.Y)
{
OrderNumber = p.OrderNumber
})
.ToArray());
polygon.AddPath(path);
}
Polygons.Add(polygon);
}
}
public Polygon GetPolygon(List <List <PointD> > paths)
{
var result = new Polygon();
foreach (var path in paths)
{
var contour = new Path(path.Select(p => new Point(p.X, p.Y)).ToArray());
result.AddPath(contour);
}
return(result);
}
