def grader(pl, pg, pt, ls, c, cwm, ccwm):
pl = PolyLine.PolyLines(pl)
pg = Polygon.Polygons(pg)
cls = LineSegment.LineSegments(c)
beam = pl.get_polyline_as_segments(0)
if not pg.get_polygon_count() == 1:
return False, "Did you forget the isolation bubble?"
poly = pg.polygons[0]
beam1 = beam.segments[0]
beam2 = beam.segments[1]
if len(pg.get_intersections_with_polygon_boundary(beam1, poly)) > 0:
return False, "wrong 1"
if len(pg.get_intersections_with_polygon_boundary(beam2, poly)) > 1:
return False, "wrong 2"
if pg.point_is_on_boundary([-2, -1]) == None:
return False, "wrong 3"
if pg.point_is_on_boundary([-3, 2]) == None and pg.point_is_on_boundary([2, -1]) == None:
return False, "wrong 4"
return True, "Good job!"
def grader(pl, pt, h, r, ls, cwm, ccwm):
pl = PolyLine.PolyLines(pl)
pt = GradeableFunction.GradeableFunction(pt)
h = GradeableFunction.GradeableFunction(h)
r = GradeableFunction.GradeableFunction(r)
ls = LineSegment.LineSegments(ls)
cwm = GradeableFunction.GradeableFunction(cwm)
ccwm = GradeableFunction.GradeableFunction(ccwm)
if pl.get_polyline_count() > 0:
beam = pl.get_polyline_as_segments(0)
if beam.get_number_of_segments() != 2:
return False, "Did you forget the beam?"
for segment in beam.segments:
if beam.check_segment_startpoint(segment, [-3, 2]):
if not beam.check_segment_endpoint(segment, [-3, -1]):
return False, "Check beam segment connected to A"
if beam.check_segment_startpoint(segment, [-3, -1]):
if not beam.check_segment_endpoint(segment, [2, -1]):
return False, "Check beam segment connected to B"
if not cwm.has_point_at(x=-3, y=1):
return False, "Check cwm position"
if not ccwm.has_point_at(x=-1, y=-1):
return False, "Check ccwm position"
# TODO force position and direction checks
return True, "Good job!"
def grader(pl, pg, pt, ls, c, cwm, ccwm):
pl = PolyLine.PolyLines(pl)
pg = Polygon.Polygons(pg)
cls = LineSegment.LineSegments(c)
points = GradeableFunction.GradeableFunction(pt)
beam = pl.get_polyline_as_linesegments()
if not pg.get_polygon_count() == 1:
return False, "Did you forget the isolation bubble?"
poly = pg.polygons[0]
beam1 = beam.segments[0]
beam2 = beam.segments[1]
pointA = None
pointB = None
if points.get_number_of_points() > 0:
for point in points.points:
if point.tag_equals('A'):
pointA = point
if point.tag_equals('B'):
pointB = point
if len(pg.get_intersections_with_polygon_boundary(poly, beam1)) > 0:
return False, "Isolation bubble should not cut vertical beam."
if not len(pg.get_intersections_with_polygon_boundary(poly, beam2)) == 1:
return False, "Isolation bubble should only cut the horizontal beam once."
if pg.point_is_on_boundary([-2, -1]) == None:
return False, "Check where the isolation bubble cuts the horizontal beam."
if pg.point_is_on_boundary(pointA) == None and pg.point_is_on_boundary(
pointB) == None:
return False, "Check the isolation bubble containment."
return True, "Good job!"
def test_get_segments_at_y(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
segs = ls.get_segments_at(y=1)
self.assertEqual(len(segs), 3)
def test_false_does_exist_between(self):
data = self.load_as_gradeable_collections('ls-not-exist')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
self.assertFalse(ls.does_exist_between(-1, 1))
def test_false_has_angle_t_at_x(self):
data = self.load_as_gradeable_collections('ls-slope-2')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
self.assertFalse(ls.has_angle_t_at_x(math.atan(4), 0))
def test_false_get_number_of_segments(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
self.assertNotEqual(ls.get_number_of_segments(), 0)
def test_false_get_segment_angle(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
seg = ls.get_segments_at(x=1, y=1)[0]
self.assertNotEqual(ls.get_segment_angle(seg), math.pi / 2)
def test_false_has_slope_m_at_x(self):
# test using data from the app2-7-1 csv
data = self.load_as_gradeable_collections('ls-slope-2')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
self.assertFalse(ls.has_slope_m_at_x(4, 0))
def test_line_segment_contains_tag_false(self):
data = self.load_as_gradeable_collections('tag_data')
d = data[0]
ls = LineSegment.LineSegments(d['ls'])
self.assertIsNone(ls.contains_tag('somethingelse'))
def test_false_check_segment_endpoint(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
seg = ls.get_segments_at(x=1, y=1)[0]
self.assertFalse(ls.check_segment_endpoint(seg, [0, 0]))
def test_false_has_segments_at(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
self.assertFalse(ls.get_segments_at(x=3, y=3))
def test_line_segment_no_tags(self):
data = self.load_as_gradeable_collections('tag_none')
d = data[0]
ls = LineSegment.LineSegments(d['ls'])
self.assertIsNone(ls.contains_tag('tag'))
def test_none_get_segments_at(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
segs = ls.get_segments_at(x=3, y=3)
self.assertIsNone(segs, None)
def test_true_get_segment_length(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
seg = ls.get_segments_at(x=1, y=1)[0]
self.assertEqual(ls.get_segment_length(seg), math.sqrt(8))
def test_get_segments_at_x(self):
data = self.load_as_gradeable_collections('ls-segs')
for d in data:
ls = LineSegment.LineSegments(d['ls'])
self.assertTrue(ls.get_segments_at(x=1))
def test_line_segment_has_tag_false(self):
data = self.load_as_gradeable_collections('tag_data')
d = data[0]
ls = LineSegment.LineSegments(d['ls'])
self.assertFalse(ls.segments[0].tag_equals('somethingelse'))