def test_create_model_vertical_through_x_equal_5(self):
pass
helper1=RansacLineHelper()
lst=list()
lst.append(Point(5,0))
lst.append(Point(5,1))
lst.append(Point(5,2))
model=helper1.create_model(lst)
expected_xintercept=5
actual_xintercept=-model.C/model.A
self.assertAlmostEqual(actual_xintercept,expected_xintercept)
self.assertAlmostEqual(model.B,0)
def test_create_model_horizontal_through_y_equal_5(self):
pass
helper1=RansacLineHelper()
lst=list()
lst.append(Point(0,5))
lst.append(Point(1,5))
lst.append(Point(2,5))
model=helper1.create_model(lst)
#y=5
#0x+1y-5=0
expected_slope=0.0
actual_slope=-model.A/model.B
actual_yintercept=-model.C/model.B
expected_yintercept=5
self.assertAlmostEqual(actual_slope,expected_slope)
self.assertAlmostEqual(actual_yintercept,expected_yintercept)
def test_create_model_45_degrees_through_origin(self):
pass
helper1=RansacLineHelper()
lst=list()
lst.append(Point(0,0))
lst.append(Point(1,1))
lst.append(Point(2,2))
model=helper1.create_model(lst)
#
#y=x
#-x+y+0=0
expected_slope=1.0
actual_slope=-model.A/model.B
actual_yintercept=-model.C/model.B
expected_yintercept=0
self.assertAlmostEqual(actual_slope,expected_slope)
self.assertAlmostEqual(actual_yintercept,expected_yintercept)