# Set up the curve
curve.degree = 3
curve.ctrlpts = exchange.import_txt("ex_curve03.cpt")
# Auto-generate knot vector
curve.knotvector = utilities.generate_knot_vector(curve.degree,
len(curve.ctrlpts))
# Set evaluation delta
curve.delta = 0.01
# Evaulate curve
curve.evaluate()
# Draw the control point polygon and the evaluated curve
vis_comp = VisPlotly.VisCurve2D()
curve.vis = vis_comp
curve.render()
# Evaluate curve tangent at u = 0.0
curvetan1 = operations.tangent(curve, 0.0, normalize=True)
# Evaluate curve tangent at u = 0.2
curvetan2 = operations.tangent(curve, 0.2, normalize=True)
# Evaluate curve tangent at u = 0.5
curvetan3 = operations.tangent(curve, 0.5, normalize=True)
# Evaluate curve tangent at u = 0.6
curvetan4 = operations.tangent(curve, 0.6, normalize=True)
# Fix file path
os.chdir(os.path.dirname(os.path.realpath(__file__)))
# Create a BSpline curve instance
curve = BSpline.Curve()
# Set degree
curve.degree = 3
# Read control points from a file
curve.ctrlpts = exchange.import_txt("ex_curve03.cpt")
# Set knot vector
curve.knotvector = [0, 0, 0, 0, 0.25, 0.25, 0.5, 0.75, 0.75, 1, 1, 1, 1]
# Decompose the curve
curve_list = operations.decompose_curve(curve)
curve_decomposed = multi.CurveContainer(curve_list)
# Set sample size for the decomposed curve
curve_decomposed.sample_size = 25
# Plot the decomposed curve
vis_comp = vis.VisCurve2D()
curve_decomposed.vis = vis_comp
curve_decomposed.render()
# Good to have something here to put a breakpoint
pass
from geomdl.visualization import VisPlotly as plotter
# Fix file path
os.chdir(os.path.dirname(os.path.realpath(__file__)))
# Create a BSpline curve instance
curve = BSpline.Curve()
# Set degree
curve.degree = 3
# Read control points from a file
curve.ctrlpts = exchange.import_txt("ex_curve03.cpt")
# Set knot vector
curve.knotvector = [0, 0, 0, 0, 0.25, 0.25, 0.5, 0.75, 0.75, 1, 1, 1, 1]
# Decompose the curve
curve_decomposed = operations.decompose_curve(curve)
# Set sample size for the decomposed curve
curve_decomposed.sample_size = 25
# Plot the decomposed curve
vis_comp = plotter.VisCurve2D()
curve_decomposed.vis = vis_comp
curve_decomposed.render()
# Good to have something here to put a breakpoint
pass
