def cornu_yx(t,mirror):
# Reparamaterize for constant absolute rate of turning
t = math.sqrt(abs(t)) * (1 if t > 0 else -1)
y,x = cornu.eval_cornu(t)
if mirror: y = -y
return y,x
def cornu_yx(t, mirror):
# Reparamaterize for constant absolute rate of turning
t = math.sqrt(abs(t)) * (1 if t > 0 else -1)
y, x = cornu.eval_cornu(t)
if mirror: y = -y
return y, x
phigh.append(high[-1])
return Profile(ppos, plow, phigh)
def make_profile(spec):
pos = [ ]
low = [ ]
high = [ ]
for item in spec:
if len(item) == 2:
this_pos, this_low = item
this_high = this_low
else:
this_pos, this_low, this_high = item
pos.append(this_pos)
low.append(this_low)
high.append(this_high)
return Profile(pos, low, high)
if __name__ == '__main__':
from raphs_curves import cornu
for i in range(20+1):
t = i / 10.0 - 0.5
y1,x1 = cornu.eval_cornu(t)
y2,x2 = cornu.eval_cornu(t+1e-3)
print( t, (math.atan2(y2-y1,x2-x1)+math.pi) % (2*math.pi) -math.pi ) #Angle is t^2
phigh.append(high[-1])
return Profile(ppos, plow, phigh)
def make_profile(spec):
pos = []
low = []
high = []
for item in spec:
if len(item) == 2:
this_pos, this_low = item
this_high = this_low
else:
this_pos, this_low, this_high = item
pos.append(this_pos)
low.append(this_low)
high.append(this_high)
return Profile(pos, low, high)
if __name__ == '__main__':
from raphs_curves import cornu
for i in range(20 + 1):
t = i / 10.0 - 0.5
y1, x1 = cornu.eval_cornu(t)
y2, x2 = cornu.eval_cornu(t + 1e-3)
print(t, (math.atan2(y2 - y1, x2 - x1) + math.pi) % (2 * math.pi) -
math.pi) #Angle is t^2
