public List <Point2D> GetPointsInExtents(Extent2D extents)
{
var xs = XS.Where(x => x >= extents.min.x && x <= extents.max.x).ToList();
var ys = YS.Where(y => y >= extents.min.y && y <= extents.max.y).ToList();
return(BuildGrid(xs, ys));
}
public void M3()
{
var i = I;
var t1 = from x in XS
from y in XS // anonymous type
from z in XS // anonymous type
where x > 0
select x + z;
var t2 = from x in XS
from y in YS.Concat(t1)
select x into y
select y + i;
var t3 = from x in XS
group x by x / 10 + i;
var t4 = from x in XS
group x + i by x / 10;
var t5 = from x in XS
group x by x / 10 into g
select g.Key + i;
var t6 = from x in XS
join y in YS on x + i equals y + i
select x + y + i;
var t7 = from x in XS
join y in YS on x + i equals y
into z select x;
var t8 = from x in XS select(
from y in YS select y);
var t9 = from x in XS select(
from y in YS.Concat(t7)
select y + x + 123);
}