Learning Forum

[MadScientist]

Hello,

I have the STEP geometry of an airfoil imported into Spaceclaim and I projected the foil normally on a sketch plane to get the airfoil profile, made of splines. Now I want the XY position of the points generating these profiles. For an earlier airfoil, it was more segmented, so I could get the start and end points through this snippet

curves = Selection.Create(Curve23, Curve24, Curve25, Curve26)
for item in curves.Items:
   x = item.Shape.EndPoint.X * 10
   z = item.Shape.EndPoint.Z * 10

   if(x > maxXPos):
       maxXPos = x

   if(z > maxZPos):
       maxZPos = z   

   if(i == 1):
       x = item.Shape.StartPoint.X * 10
       z = item.Shape.StartPoint.Z * 10

       if(x > maxXPos):
           maxXPos = x

       if(z > maxZPos):
           maxZPos = z   

   i=i+1

But now, these curves are actually Splines, and using the above, I get only 5 points defining the airfoil. So I wanted to know the member functions or variables that will allow me to get intermediate points in a Spline. The image of the foil is as below.

[Aniket]

you can find knots on a spline using the following code:
curve_knots = myC.Shape.Geometry.Data.Knots
for p in curve_knots:
result = Point.Create(*list(myC.Evaluate(p.Parameter).Point.Vector))
result = SketchPoint.Create(result)
-Aniket
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