def _build_curve(self):
def curve_point(alpha):
alpha = radians(alpha)
point = (cos(alpha) * self.rx, sin(alpha) * self.ry)
point = rotate_2d(point, radians(self.rotation))
x, y = vadd(self.center, point)
return (x, y, zaxis)
def normalize_angle(angle):
angle = fmod(angle, 360.0)
if angle < 0:
angle += 360.0
return angle
zaxis = 0.0 if len(self.center) < 3 else self.center[2]
points = []
delta = (self.endangle - self.startangle) / self.segments
for segment in xrange(self.segments):
alpha = self.startangle + delta * segment
points.append(curve_point(alpha))
polyline = Polyline(points, color=self.color, layer=self.layer, linetype=self.linetype)
if equals_almost(self.startangle, normalize_angle(self.endangle)):
polyline.close()
return polyline
def __dxftags__(self):
def curve_point(alpha):
alpha = radians(alpha)
point = (cos(alpha) * self.rx, sin(alpha) * self.ry)
point = rotate_2d(point, radians(self.rotation))
x, y = vadd(self.center, point)
return (x, y, zaxis)
def normalize_angle(angle):
angle = fmod(angle, 360.)
if angle < 0:
angle += 360.
return angle
zaxis = 0. if len(self.center) < 3 else self.center[2]
points = []
delta = (self.endangle - self.startangle) / self.segments
for segment in xrange(self.segments):
alpha = self.startangle + delta * segment
points.append(curve_point(alpha))
polyline = Polyline(points,
color=self.color,
layer=self.layer,
linetype=self.linetype)
if equals_almost(self.startangle, normalize_angle(self.endangle)):
polyline.close()
return polyline.__dxftags__()
def _build_polyline(self):
""" build the rectangle with a polyline """
polyline = Polyline(self.points, color=self.color, layer=self.layer)
polyline.close()
if self.linetype is not None:
polyline['linetype'] = self.linetype
return polyline
def _build_polyline(self):
""" build the rectangle with a polyline """
polyline = Polyline(self.points, color=self.color, layer=self.layer)
polyline.close()
if self.linetype is not None:
polyline['linetype'] = self.linetype
return polyline
def _build_polyline(self):
'''Build the polyline (key component)'''
polyline = Polyline(self.transformed_points,
color=self.color,
layer=self.layer,
flags=0)
polyline.close() #redundant in most cases
if self.linetype is not None:
polyline['linetype'] = self.linetype
return polyline
