Drawing Parabole, need help [SOLVED]

[Kunstmaan]

Some years ago I created a "Wizo" script to make a parbole and at that time it worked.
But now it doesnt, so I am puzled.

Units.Current = UnitTypes.Millimeters
x_max = 600
y_max = 180
step = 25
f = 500
#formula  x=y^2/4f

def para(x):
    y = x**2 / (4*f)
    print " x = %.3f , y = %.3f" % (x, y)
    return(y)

#Create part
MyPart = Part("Parabola")
Parabola = MyPart.AddSketch("Parabola", MyPart.GetPlane("XY-Plane"))

#Generate list of points
points = []
for x in range(0, x_max+step, step):
    points.extend([x, para(x)])

# Place it in a sketch
Parabola.AddBsplineThroughPoints(3, points, False)

Can somebody what wrong in this code

 

[idslk]

your last line should look:
Parabola.AddBspline(points, False)

in addition to be language independent you should use "MyPart.XYPlane" instead of "MyPart.GetPlane("XY-Plane")"

 

[Kunstmaan]

your last line should look:
Parabola.AddBspline(points, False)

This change creates a error

 

[idslk]

This change creates a error

which one?
Here it runs:

Units.Current = UnitTypes.Millimeters
x_max = 600
y_max = 180
step = 25
f = 500
#formula  x=y^2/4f

def para(x):
    y = x**2 / (4*f)
    print " x = %.3f , y = %.3f" % (x, y)
    return(y)

#Create part
MyPart = Part("Parabola")
Parabola = MyPart.AddSketch("Parabola", MyPart.XYPlane) #GetPlane("XY-Plane"))

#Generate list of points
points = []
for x in range(0, x_max+step, step):
    points.extend([x, para(x)])

# Place it in a sketch
Parabola.AddBspline(points, False)

 

[albie0803]

Works in v27 as well but the curve has a few wobbles in it.

 

[Kunstmaan]

It runs here also after I reentered the two lines Thnks