vedo/examples/pyplot/scatter3.py

"""Create a scatter plot to overlay
three different distributions"""
from vedo import *
from numpy.random import randn

### first cloud in blue, place it at z=0:
x = randn(2000) * 3
y = randn(2000) * 2
xy = np.c_[x, y]
pts1 = Points(xy).z(0.0).color("blue5",0.5)
bra1 = Brace([-7, -8], [7, -8], comment="whole population", s=0.4).c("blue5")

### second cloud in red
x = randn(1200) + 4
y = randn(1200) + 2
xy = np.c_[x, y]
pts2 = Points(xy).z(0.1).color("red",0.5)
bra2 = Brace(
    [8, 2, 0.3],
    [6, 5, 0.3],
    comment="red zone",
    angle=180,
    justify="bottom-center",
    c="red5",
)

### third cloud with a black marker
x = randn(20) + 4
y = randn(20) - 4
mark = Marker("*", s=0.25)
pts3 = Glyph(xy, mark).z(0.2).color("red5",0.5)
bra3 = Brace([8, -6], [8, -2], comment="my stars").z(0.3)

# some text message
msg = Text3D("preliminary\nresults!", font="Quikhand", s=1.5).c("black")
msg.rotate_z(20).pos(-10, 3, 0.2)

show(
    pts1, pts2, pts3, msg, bra1, bra2, bra3, __doc__,
    axes=1, zoom=1.2, mode="image",
).close()