evaluating a b-spline from external program (FreeCAD)

[nlosacco]

Hi,

I have a planar b-spline obtained in a parametric modelling program (FreeCAD), e.g.:

>>> poles0 = [Vector (347.119461269, -1.1369e-13, 251.048911919), Vector (421.35826684612715, -1.6527880167093929e-13, 234.39242900777492), Vector (568.0349611242125, -2.3352933708996786e-13, 190.78154071596157), Vector (787.6981915383186, -2.9627895102551153e-13, 130.3077433064477), Vector (1017.878120964171, -4.549438679112047e-13, 122.11454085418023), Vector (1166.9796636987746, -5.400003939056869e-13, 154.29592542750504), Vector (1239.265344, -5.6843e-13, 182.878520542)]
>>> weights0 = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
>>> knots0 = [0.0, 229.98020932693515, 456.5562217064585, 682.584333954564, 912.1417114001321]
>>> mults0 = [4, 1, 1, 1, 4]
>>> periodic0 = False
>>> degree0 = 3
>>> rational0 = False
>>> bs0 = Part.BSplineCurve()
>>> bs0.buildFromPolesMultsKnots(poles0, mults0, knots0, periodic0, degree0, weights0, rational0)

This is actually 2D, as you can see the second coordinate is practically zero.
Then I want to evaluate (i.e. obtain the z value) of the b-spline at a given abscissa (x)

I am trying to figure out how to do it with your library. Is this possible?
Sorry for the naive question, I am not an expert in b-splines nor in Fortran, and thanks for any help!