def _map_fn(self,z):
k = self.k
if k == 0:
return z
else:
sgn,z = signabs(z)
return sgn * self.out_range * (exp(z/self.in_range*k)-1)/(exp(k)-1)
def _map_fn(self,z):
k = self.k
if k == 0:
return z
else:
sgn,z = signabs(z)
return sgn * self.out_range * (exp(z/self.in_range*k)-1)/(exp(k)-1)
def __call__(self,x,y):
A = self.A
Bu = self.Bu / self.mm_scale
Bv = self.Bv / self.mm_scale
R = x * self.amplitude_scale
phi = y * self.direction_scale
Rsign,R = signabs(R)
u,v = ottes_mapping(R,phi,A,Bu,Bv)
return Rsign*u,v
def __call__(self,x,y):
A = self.A
Bu = self.Bu / self.mm_scale
Bv = self.Bv / self.mm_scale
R = x * self.amplitude_scale
phi = y * self.direction_scale
Rsign,R = signabs(R)
u,v = ottes_mapping(R,phi,A,Bu,Bv)
return Rsign*u,v
def __call__(self, x, y):
if self.negative_radii:
xsgn,xabs = signabs(x)
radius = xsgn * sqrt(x*x+y*y)
angle = atan2(y,xabs)
else:
radius = sqrt(x*x+y*y)
angle = atan2(y,x)
if self.degrees:
angle *= 180/pi
return radius,angle
def __call__(self, x, y):
if self.negative_radii:
xsgn,xabs = signabs(x)
radius = xsgn * sqrt(x*x+y*y)
angle = atan2(y,xabs)
else:
radius = sqrt(x*x+y*y)
angle = atan2(y,x)
if self.degrees:
angle *= 180/pi
return radius,angle
def __call__(self, x, y):
A = self.A
Bu = self.Bu
Bv = self.Bv
u = x * self.mm_scale
v = y * self.mm_scale
usgn, u = signabs(u)
R, phi = ottes_inverse_mapping(u, v, A, Bu, Bv)
return (usgn * R / self.amplitude_scale, phi / self.direction_scale)
def __call__(self, x, y):
A = self.A
Bu = self.Bu
Bv = self.Bv
u = x * self.mm_scale
v = y * self.mm_scale
usgn, u = signabs(u)
R, phi = ottes_inverse_mapping(u, v, A, Bu, Bv)
return (usgn * R / self.amplitude_scale, phi / self.direction_scale)
def _map_fn(self,z):
k = self.k
sgn,z = signabs(z)
return sgn * self.out_range * log(z/self.in_range*k+1)/log(k+1)
def _map_fn(self,z):
k = self.k
sgn,z = signabs(z)
return sgn * self.out_range * log(z/self.in_range*k+1)/log(k+1)
