from compas.colors import Color
from compas.geometry import NurbsCurve
from compas.geometry import Point
from compas_viewer import Viewer
pointsA = [Point(0, 0, 0), Point(3, 6, 0), Point(6, -3, 3), Point(10, 0, 0)]
curveA = NurbsCurve.from_points(pointsA)
curveA.segment(u=0.2, v=0.5)
print(curveA.domain)
pointsB = [Point(0, -1, 0), Point(3, 5, 0), Point(6, -4, 3), Point(10, -1, 0)]
curveB = NurbsCurve.from_points(pointsB)
segment = curveB.segmented(u=0.2, v=0.5)
print(curveB.domain)
print(segment.domain)
# ==============================================================================
# Visualisation
# ==============================================================================
viewer = Viewer()
viewer.scene.add(curveA.to_polyline(), lineswidth=4, linecolor=Color.red(), show_points=False)
viewer.scene.add(curveB.to_polyline(), lineswidth=1, linecolor=Color(0, 0, 0), show_points=False)
viewer.scene.add(segment.to_polyline(), lineswidth=4, linecolor=Color.green(), show_points=False)
viewer.show()
