def letter_o():
outer = curve2d.full_circle(radius=10.0)
operations.translate(outer, (2, 0), inplace=True)
inner = curve2d.full_circle(radius=8.0)
operations.translate(inner, (2, 0), inplace=True)
letter = Multi.MultiCurve()
letter.add([outer, inner])
return letter
def letter_i():
base = NURBS.Curve()
base.degree = 3
base.ctrlptsw = [[1, 20, 1], [0, 10, 0.5],
[0, 19, 1], [0, 10, 1], [0, 1, 1], [0, 0, 0.5],
[1, 0, 1], [1, 0, 0.5],
[2, 1, 1], [2, 10, 1], [2, 19, 1], [1, 10, 0.5], [1, 20, 1]]
base.knotvector = utilities.generate_knot_vector(base.degree, len(base.ctrlpts))
hat = curve2d.full_circle(radius=1)
operations.translate(hat, (1, 22), inplace=True)
letter = Multi.MultiCurve()
letter.add([base, hat])
return letter
# Set control points
curve.ctrlpts = [[1.1, 1.1], [0.24, 1.1], [0.24, 1.1], [0.24, 0.49],
[0.24, 0.49], [1.1, 0.49], [1.1, 0.49], [1.1, 1.1]]
# Auto-generate knot vector
curve.knotvector = knotvector.generate(curve.degree, curve.ctrlpts_size)
# Translate original curve to generate 1st trim curve
trim_curve1 = operations.translate(curve, (0.25, 0.25))
# Translate original curve to generate 2nd trim curve
trim_curve2 = operations.translate(curve, (-0.75, -0.75))
# Generate a NURBS full circle from 9 control points
circle = curve2d.full_circle(radius=0.15)
# Translate circle
operations.translate(circle, (0.5, 0.5), inplace=True)
# Set evaluation deltas
trim_curve1.delta = 0.01
trim_curve2.delta = 0.01
circle.delta = 0.01
# List of trim curves
trim_curves = [trim_curve1, trim_curve2, circle]
####################
# GENERATE SURFACE #
####################
#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Examples for the NURBS-Python Package
Released under MIT License
Developed by Onur Rauf Bingol (c) 2018
"""
from geomdl.shapes import curve2d
from geomdl.visualization import VisMPL
# Generate a NURBS full circle from 9 control points
circle = curve2d.full_circle(radius=5.0)
circle.sample_size = 50
# Render the circle and the control points polygon
vis_config = VisMPL.VisConfig(ctrlpts=True, figure_size=[8, 8])
vis_comp = VisMPL.VisCurve2D(config=vis_config)
circle.vis = vis_comp
circle.render()
# Good to have something here to put a breakpoint
pass