geomdl_2d_bspline_curve_with_knot_vector_visualization.py

1from geomdl import B_Spline
2from geomdl import utilities
3from geomdl.visualization import VisMPL
4
5# Create a B-spline curve instance
6curve = B_Spline.Curve()
7
8# Set degree
9curve.degree = 3
10
11# Set control points
12curve.ctrlpts = [[5.0, 5.0], [10.0, 10.0], [20.0, 15.0], [35.0, 15.0], [45.0, 10.0], [50.0, 5.0]]
13
14# Auto-generate knot vector
15curve.knotvector = utilities.generate_knot_vector(curve.degree, len(curve.ctrlpts))
16
17# Set evaluation delta (for smoother curves)
18curve.delta = 0.01
19
20# Evaluate curve points
21curve.evaluate()
22
23# Visualize the curve
24curve.vis = VisMPL.VisCurve2D()
25curve.render()