def test_y_axis_line(self):
p1 = Point(0, 0)
p2 = Point(0, 5)
l = Line(p1, p2)
result = l.length()
expected = 5
self.assertEqual(result, expected)
def test_same_point_len(self):
p1 = Point(1, 1)
p2 = Point(1, 1)
l = Line(p1, p2)
result = l.length()
expected = 0
self.assertEqual(result, expected)
def read(self, path):
with open(path, 'rb') as f:
file = f.read()
head = str(file).split('$$HEADEREND')
head = head[0].split('\\n')
#print(head)
for line in head:
if '$$UNITS' in line:
self.unit = float(line.split('/')[1])
if '$$DIMENSION' in line:
bound = line.split('/')[1]
Xmin, Ymin, Zmin, Xmax, Ymax, Zmax = bound.split(',')
self.Xmin = float(Xmin)
self.Ymin = float(Ymin)
self.Zmin = float(Zmin)
self.Xmax = float(Xmax)
self.Ymax = float(Ymax)
self.Zmax = float(Zmax)
if '$$LAYERS' in line:
self.layer = int(line.split('/')[1])
#print(head[0])
f.seek(226, 0)
ty = struct.unpack('<H', f.read(2))
#print("type:",ty)
try:
while True:
layer = struct.unpack('<H', f.read(2))
#print("layer:",layer)
Mypoint = []
while True:
mypoint = []
readtpye = struct.unpack('<H', f.read(2))
#print("readtype:",readtpye)
if readtpye[0] == 128:
break
ID, Direction, Point_Num = struct.unpack(
'<HHH', f.read(6))
'''print("ID:",ID)
print("Direction:",Direction)
print("Point_Num:",Point_Num)'''
for i in range(Point_Num):
x, y = struct.unpack('<HH', f.read(4))
mypoint.append(Point(x * self.unit, y * self.unit))
Mypoint.append(mypoint)
self.UsePoint.append(Mypoint)
except:
self.UsePoint.append(Mypoint)
def addCoordinatePoint(self, x: float, y: float):
self.points.append(Point(x, y))
self.addLine((x, 0), (x, y)).linewidth(0.5).linestyle('--')
self.addLine((0, y), (x, y)).linewidth(0.5).linestyle('--')
def addPoint(self, x: float, y: float):
self.points.append(Point(x, y))
def line_inter_test(p1x, p1y,
p2x, p2y,
p3x, p3y,
p4x, p4y):
print 'test if line ((' + str(p1x) + ', ' + str(p1y) + '), (' +\
str(p2x) + ', ' + str(p2y) + ')), ((' + str(p3x) + ', ' + str(p3y) + '), (' + \
str(p4x) + ', ' + str(p4y) + ')) intersects'
pa = Point()
pb = Point()
pc = Point()
pd = Point()
l1 = Line()
l2 = Line()
pa.set_coord(p1x, p1y)
pb.set_coord(p2x, p2y)
pc.set_coord(p3x, p3y)
pd.set_coord(p4x, p4y)
l1.set_line_by_point(pa, pb)
l2.set_line_by_point(pc,pd)
return l1.do_lines_intersect(l2)
from line import Line from line import Point print 'testing line' print 'testing line is set...' l = Line() print 'test not set' assert not l.line_is_set() l.set_line_by_coord(0, 0, 1, 1) print 'test set' assert l.line_is_set() l = Line() p1 = Point() p2 = Point() l.set_line_by_point(p1, p2) print 'test setting by point not set' assert not l.line_is_set() p1.set_coord(0, 0) p2.set_coord(1, 1) assert l.line_is_set() print 'test line with same start and end' p2.set_coord(0, 0) assert not l.line_is_set() print 'testing get line...' l = Line() p1 = Point() p1.set_coord(0, 0) p2 = Point() p2.set_coord(1, 1)
def setUp(self):
# y = x
self.line_yx = Line([Point(0, 0), Point(7, 7)])
# x = 1
self.line_x = Line([Point(1, -3), Point(1, 20)])
def test_intersect6(self):
point = self.line_yx.intersect(Line([Point(1, -1), Point(-100, 100)]))
self.assertEqual((Point(0, 0).x, Point(0, 0).y), (point.x, point.y))
def test_intersect5(self):
self.assertEqual(
self.line_yx,
self.line_yx.intersect(Line([Point(1, 1),
Point(-2, -2)])))
def test_intersect4(self):
self.assertEqual(
None, self.line_yx.intersect(Line([Point(-1, -3),
Point(3, 1)])))
def test_intersect3(self):
point = self.line_x.intersect(self.line_yx)
self.assertEqual((Point(1, 1).x, Point(1, 1).y), (point.x, point.y))
def test_intersect2(self):
self.assertEqual(
self.line_x, self.line_x.intersect(Line([Point(1, 1),
Point(1, 4)])))
def test_intersect1(self):
self.assertEqual(
None, self.line_x.intersect(Line([Point(3, 1),
Point(3, 4)])))