"""
Mark a specific point
on a mesh with some text.
"""
from vtkplotter import Sphere, Point, show, Text
sp = Sphere().wire(True)
pcoords = sp.getPoint(144)
pt = Point(pcoords, r=12, c="white")
tx = Text("my fave\npoint",
pcoords,
s=0.1,
c="lightblue",
bc="green",
followcam=False)
show(sp, pt, tx, Text(__doc__), axes=1)
"""Lock an object orientation to the scene camera.
"""
from vtkplotter import Sphere, Text, Plotter
plt = Plotter(axes=1, interactive=0)
sp = Sphere().wireframe()
tx1 = Text("Fixed point", sp.getPoint(10), s=0.07, c="lb")
tx2 = Text("Follow point", sp.getPoint(144), s=0.07, c="lg")
# a camera must exist prior to calling followCamera()
plt.show(sp)
tx2.followCamera() # a vtkCamera can also be passed as argument
plt.show(sp, tx1, tx2, Text(__doc__), interactive=1)