"""Embed a 3D scene
in a webpage with x3d"""
from vedo import dataurl, Plotter, Volume, Text3D
plt = Plotter(size=(800, 600), bg='GhostWhite')
embryo = Volume(dataurl + 'embryo.tif').isosurface().decimate(0.5)
coords = embryo.points()
embryo.cmap('PRGn', coords[:, 1]) # add dummy colors along y
txt = Text3D(__doc__, font='Bongas', s=350, c='red2', depth=0.05)
txt.pos(2500, 300, 500)
plt.show(embryo, txt, txt.box(pad=250), axes=1, viewup='z', zoom=1.2)
# This exports the scene and generates 2 files:
# embryo.x3d and an example embryo.html to inspect in the browser
plt.export('embryo.x3d', binary=False)
print("Type: \n firefox embryo.html")
import numpy as np
from vedo import dataurl, Volume, Axes, show
from vedo.pyplot import histogram, plot
cmap = 'nipy_spectral'
alpha = np.array([0, 0, 0.05, 0.2, 0.8, 1])
vol = Volume(dataurl + "embryo.slc")
vol.cmap(cmap).alpha(alpha).addScalarBar3D(c='w')
xvals = np.linspace(*vol.scalarRange(), len(alpha))
p = histogram(vol, logscale=True, c=cmap, bc='white')
p += plot(xvals, alpha * p.ybounds()[1], '--ow').z(1)
show(
[(vol, Axes(vol, c='w'), f"Original Volume\ncolor map: {cmap}"),
(p, "Voxel scalar histogram\nand opacity transfer function")],
N=2,
sharecam=False,
bg=(82, 87, 110),
)
