def update_arc_data(data,teo=False):
"""
Update the data dictionary for an arc with the hyperbola fit parameters
"""
x, y = np.array(data["x"]), np.array(data["y"])
m = np.abs(np.degrees(np.arctan2(y, x))) - 100.0 <= 0.
# Force the hyperbola axis to be along the circle fit axis
# Initial guess is that center is also the same.
if teo:
Rh, thh, PAh, xh, yh = conic_utils.fit_conic(
x[m], y[m], Rh=data["Rc"], thh=-45.0, PAh=data["PAc"], xxh=data["xc"], yyh=data["yc"])
else:
Rh, thh, PAh, xh, yh = conic_utils.fit_conic(
x, y, Rh=data["Rc"], thh=45.0, PAh=data["PAc"], xxh=data["xc"], yyh=data["yc"])
R0 = np.max(x)
R90 = Rh*conic_utils.x90(R0,thh)
data.update(Rh=Rh, thh=thh, PAh=PAh, xh=xh, yh=yh,R0=R0,R90=R90)
if cmd_args.savefig:
plt.plot(-x, y, ".")
xx,yy = conic_utils.world_hyperbola(Rh,thh,PAh,xh,yh)
if teo:
ax.grid()
ax.set_xlim(-1.0,2)
ax.set_ylim(-2,2)
t=np.linspace(0,2*np.pi)
ax.plot(-data["xc"], data["yc"], "+r", ms=5.0)
ax.plot(-data["xc"]+data["Rc"]*np.cos(t),data["yc"]+data["Rc"]*np.sin(t),"g-",alpha=0.9)
ax.plot(-xx,yy,"m-",alpha=1.0)
ax.plot(xh,yh,"k+",ms=5.0)
else:
plt.plot(-xh, yh, "+" + colors[arc], ms=5.0)
plt.plot(-xx,yy,colors[arc],alpha=0.9)
print(arc, ":", xh, yh, Rh, thh)
# c = plt.Circle((-xc, yc), radius=Rc,
# fc='none', ec=colors[arc], alpha=0.4, lw=0.2)
# plt.gca().add_patch(c)
return None