Fix #1050

Author: juliohm

src/boundingboxes.jl

@@ -87,6 +87,19 @@ _bboxes(boxes) = _pboxes(point for box in boxes for point in extrema(box))
 
 _pboxes(points) = _pboxes(manifold(first(points)), points)
 
+function _pboxes(::Type{𝔼{1}}, points)
+  p = first(points)
+  ℒ = lentype(p)
+  xmin = typemax(ℒ)
+  xmax = typemin(ℒ)
+  for p in points
+    c = convert(Cartesian, coords(p))
+    xmin = min(c.x, xmin)
+    xmax = max(c.x, xmax)
+  end
+  Box(withcrs(p, (xmin,)), withcrs(p, (xmax,)))
+end
+
 function _pboxes(::Type{𝔼{2}}, points)
   p = first(points)
   ℒ = lentype(p)

test/boundingboxes.jl

@@ -143,4 +143,9 @@
   g = CartesianGrid((10, 10), merc(0, 0), (T(1), T(1)))
   m = convert(SimpleMesh, g)
   @test crs(boundingbox(m)) === crs(m)
+
+  # 1D segment
+  s = Segment(cart(0), cart(1))
+  b = boundingbox(s)
+  @test b == Box(cart(0), cart(1))
 end