# Examples from pyvista.PolyDataFilters.extrude_rotate
# ====================================================

# Create a "spring" using the rotational extrusion filter.
import pyvista as pv
profile = pv.Polygon(
    center=[1.25, 0.0, 0.0],
    radius=0.2,
    normal=(0, 1, 0),
    n_sides=30,
)
extruded = profile.extrude_rotate(
    resolution=360,
    translation=4.0,
    dradius=0.5,
    angle=1500.0,
    capping=True,
)
extruded.plot(smooth_shading=True)

# Create a "wine glass" using the rotational extrusion filter.
import numpy as np
points = np.array(
    [
        [-0.18, 0, 0],
        [-0.18, 0, 0.01],
        [-0.18, 0, 0.02],
        [-0.01, 0, 0.03],
        [-0.01, 0, 0.04],
        [-0.02, 0, 0.5],
        [-0.05, 0, 0.75],
        [-0.1, 0, 0.8],
        [-0.2, 0, 1.0],
    ]
)
spline = pv.Spline(points, 30)
extruded = spline.extrude_rotate(resolution=20, capping=False)
extruded.plot(color='lightblue')

# ----------------------------------------------------------------------
# Generated by sphinx-examples-as-code https://github.com/pyvista/sphinx-examples-as-code