# Examples from pyvista.Plotter.add_ruler
# =======================================

import pyvista as pv
cone = pv.Cone(height=2.0, radius=0.5)
pl = pv.Plotter()
_ = pl.add_mesh(cone)

# Measure x direction of cone and place ruler slightly below.
_ = pl.add_ruler(
    pointa=[cone.bounds.x_min, cone.bounds.y_min - 0.1, 0.0],
    pointb=[cone.bounds.x_max, cone.bounds.y_min - 0.1, 0.0],
    title='X Distance',
)

# Measure y direction of cone and place ruler slightly to left.
# The title and labels are placed to the right of the ruler when
# traveling from `pointa` to `pointb`.
_ = pl.add_ruler(
    pointa=[cone.bounds.x_min - 0.1, cone.bounds.y_max, 0.0],
    pointb=[cone.bounds.x_min - 0.1, cone.bounds.y_min, 0.0],
    flip_range=True,
    title='Y Distance',
)
pl.enable_parallel_projection()
pl.view_xy()
pl.show()

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