def render_dfaust(scene, prev_renderable, seq, target):
new_renderable = Mesh.from_file(seq)
scene.remove(prev_renderable)
scene.add(new_renderable)
scene.render()
save_frame(target, scene.frame)
return new_renderable
def test_obj(self):
s = Scene(size=(1024, 1024), background=(0, 0, 0, 0))
s.add(Mesh.from_file(path.join(path.dirname(__file__), "plane.obj")))
s.rotate_x(np.pi / 2)
s.camera_position = (-1, -1, -1)
for i in range(180):
s.render()
imwrite("/tmp/frame_{:03d}.png".format(i), s.frame)
s.rotate_y(np.pi / 90)
def test_ply(self):
s = Scene(size=(1024, 1024), background=(0, 0, 0, 0))
s.add(
Mesh.from_file(path.join(path.dirname(__file__),
"primitives.ply")))
s.up_vector = (0, -1, 0)
s.camera_position = (1, 0.5, 1)
light_initial = s.light
r_light = np.sqrt(light_initial[0]**2 + light_initial[-1]**2)
for i in range(180):
theta = i * np.pi / 90
r = np.sqrt(2)
s.camera_position = (r * np.cos(theta), 0.5, r * np.sin(theta))
s.light = (r_light * np.cos(theta), light_initial[1],
r_light * np.sin(theta))
s.render()
imwrite("/tmp/frame_{:03d}.png".format(i), s.frame)
def load_ground_truth(mesh_file):
m = Mesh.from_file(mesh_file, color=(0.8, 0.8, 0.8, 0.3))
# m.to_unit_cube()
return m
import numpy as np
import matplotlib.pyplot as plt
from simple_3dviz.renderables import Spherecloud
from simple_3dviz.behaviours.keyboard import SnapshotOnKey
from simple_3dviz.window import show
if __name__ == "__main__":
t = np.linspace(0, 4 * np.pi, 20)
x = np.sin(2 * t)
y = np.cos(t)
z = np.cos(2 * t)
sizes = (2 + np.sin(t)) * 0.125
centers = np.stack([x, y, z]).reshape(3, -1).T
cmap = plt.cm.copper
colors = cmap(np.random.choice(np.arange(500), centers.shape[0]))
s = Spherecloud(centers=centers, sizes=sizes, colors=colors)
from simple_3dviz import Mesh
m = Mesh.from_file("models/baby_yoda.stl", color=(0.1, 0.8, 0.1))
m.to_unit_cube()
show([s, m], camera_position=(-2.8, -2.8, 0.1), size=(512, 512))