def render():
(w, h) = (640, 480)
camera = Camera(w, h, fov=np.pi / 6)
# Materials
base_finish = SoftDull
base_finish.reflection = 0.1
mat_base = Material(colors.P_Chrome3, finish=base_finish)
mat_s1 = Material(colors.P_Brass3)
se_ls = LightSourcePoint([-1., 5., 35.],
intensity=200.,
emission_color=[2., 2., 2.])
se_base = SceneElement(Plane([0.0, -4.0, 20.], [0., 1., 0.]), mat_base)
se_s1 = SceneElement(Sphere([0., 0., 40.], 4.), mat_s1)
scene = Scene([se_ls, se_base, se_s1])
# scene = Scene([se_ls, se_base])
# Render
rt = RayTracer(camera, scene)
traced = rt.render()
plt.imshow(traced)
plt.show()
def render():
(w, h) = (640, 480)
camera = Camera(w, h, fov=np.pi / 6)
# Materials
mat_base = Material([1., 1., 1.])
# mat_s1 = Material(colors.Aquamarine, finish=Finish(diffuse=0.7, ambient=0.1, specular=0.8, roughness=1./120, transparent=True, ior=1.5))
# mat_s1 = Material(colors.Glass_Winebottle, finish=Finish(diffuse=0.7, ambient=0.1, specular=0.8, roughness=1./120, transparent=True, ior=1.5))
mat_s1 = Material(colors.P_Silver3, finish=Finish(diffuse=0.7, ambient=0.1, specular=0.8, roughness=1./120, transparent=True, ior=1.5))
mat_s2 = Material(colors.P_Copper3, finish=Medium, metallic=True)
mat_s3 = Material(colors.P_Chrome3, finish=Medium, metallic=True)
mat_s4 = Material(colors.P_Brass3, finish=Medium, metallic=True)
# Scene Elements + Scene
se_ls = LightSourcePoint([-5., 15., 20.], intensity=1000., emission_color=[2., 2., 2.])
se_base = SceneElement(Sphere([0.0, -10004., 20.], 10000.), mat_base)
se_s1 = SceneElement(Sphere([0., 0., 20.], 4.), mat_s1)
se_s2 = SceneElement(Sphere([5.0, -1., 15.], 2.), mat_s2)
se_s3 = SceneElement(Sphere([3.0, 0, 22.], 2.), mat_s3)
se_s4 = SceneElement(Sphere([-5.5, 0, 15.], 3.), mat_s4)
scene = Scene([se_ls, se_base, se_s1, se_s2, se_s3, se_s4])
# Render
rt = RayTracer(camera, scene, num_bounces=5)
traced = rt.render()
plt.imshow(traced); plt.show()
def render():
(w, h) = (640, 480)
camera = Camera(w, h, fov=np.pi / 6)
# Materials
mat_base = Material([0.2, 0.2, 0.2])
mat_s1 = Material(colors.P_Brass3, finish=Finish(transparent=True, ior=1.1))
mat_s2 = Material(colors.CornflowerBlue, finish=Finish(reflection=0.1))
mat_s3 = Material(colors.ForestGreen, finish=Finish(reflection=0.1))
mat_s4 = Material(colors.GreenCopper, finish=Finish(reflection=0.1))
# Scene Elements + Scene
se_ls = LightSourcePoint([-5., 10., 20.], intensity=1000.)
se_base = SceneElement(Sphere([0.0, -10004., 20.], 10000.), mat_base)
se_s1 = SceneElement(Sphere([0., 0., 20.], 4.), mat_s1)
se_s2 = SceneElement(Sphere([5.0, -1., 15.], 2.), mat_s2)
se_s3 = SceneElement(Sphere([5.0, 0, 25.], 3.), mat_s3)
se_s4 = SceneElement(Sphere([-5.5, 0, 15.], 3.), mat_s4)
scene = Scene([se_ls, se_base, se_s1, se_s2, se_s3, se_s4])
# Render
rt = RayTracer(camera, scene)
traced = rt.render()
plt.imshow(traced); plt.show()
def render():
# with open('examples/cube.obj') as f:
with open('examples/teapot.obj') as f:
lines = f.readlines()
# simple (read stupid) parser for obj files
V = []
F = []
for line in lines:
line = line.replace(' ', ' ')
if line[0:2] == "v ":
V.append(map(float, line.strip().split(' ')[1:]))
elif line[0:2] == "f ":
f = line.strip().split(' ')[1:]
f = map(lambda x: int(x.split('/')[0])-1, f)
F.extend(f)
n_polys = len(F) / 3
fi = [3 for _ in range(n_polys)]
# n_polys, fi, V, F = down_sample(n_polys, fi, V, F)
tm = TriangleMesh(n_polys, fi, F, np.array(V).T, clockwise=True)
(w, h) = (640, 480)
camera = Camera(w, h, fov=np.pi / 2)
camera.translate([0, 0, -100])
# camera = Camera(w, h, fov=np.pi / 3)
# Materials
mat_base = Material([0.2, 0.2, 0.2])
# mat_s1 = Material(colors.NeonPink, diffuse=0.7, ambient=0.1, specular=0.8, roughness=1./120, reflection=0.)
mat_s1 = Material(colors.NeonPink, finish=VerySoftDull)
se_ls = LightSourceDirectional([1, -1, 0], intensity=2., emission_color=[1., 1., 1.])
se_base = SceneElement(Sphere([0.0, -10004., 20.], 10000.), mat_base)
se_tm = SceneElement(tm, mat_s1)
scene = Scene([se_ls, se_tm])
# Render
rt = RayTracer(camera, scene, num_bounces=0, background_color=0.5*np.ones((3, 1)))
traced = rt.render()
plt.imshow(traced); plt.show()
import ipdb; ipdb.set_trace()
def render():
(w, h) = (640, 480)
camera = Camera(w, h, fov=np.pi / 6)
# Materials
mat_base = Material(colors.DimGray)
mat_s1 = Material(colors.P_Silver3,
finish=Finish(reflection=0.,
specular=0.8,
roughness=1. / 20))
mat_s2 = Material(colors.P_Brass3,
finish=Finish(ambient=0.25,
diffuse=0.5,
transparent=True,
specular=0.8,
roughness=1. / 80,
ior=1.5),
metallic=True)
se_ls = LightSourcePoint([-5., 10., 20.], intensity=1000.)
se_ls2 = LightSourceDirectional([1., -1., 1.], intensity=0.5)
se_base = SceneElement(Sphere([0.0, -10004., 20.], 10000.), mat_base)
se_s1 = SceneElement(Sphere([-3., -1., 20.], 2.), mat_s1)
se_s2 = SceneElement(Sphere([0, -1., 35.], 2.), mat_s1)
se_s3 = SceneElement(Sphere([4., -1., 40.], 2.), mat_s1)
se_s4 = SceneElement(Sphere([9., -1., 55.], 2.), mat_s1)
scene = Scene([se_ls, se_ls2, se_base, se_s1, se_s2, se_s3, se_s4])
# Render
rt = RayTracer(camera, scene)
traced_nodov = rt.render()
traced = rt.render_dov([-3., -1., 20.], num_samples=8)
# traced = rt.render_dov([0, -1., 35.], num_samples=8)
# traced = rt.render_dov([4., -1., 40.], num_samples=8)
# traced = rt.render_dov([9., -1., 55.], num_samples=4)
# traced = rt.render()
plt.subplot(211)
plt.imshow(traced_nodov)
plt.subplot(212)
plt.imshow(traced)
plt.show()
def render():
(w, h) = (640 * 2, 480 * 2)
camera = Camera(w, h, fov=np.pi / 6)
# Materials
mat_base = Material([1., 1., 1.], finish=Medium)
mat_s1 = Material(colors.Sapphire2, finish=HardPolished)
mat_s2 = Material(colors.Amber3, finish=HardPolished)
mat_s3 = Material(colors.Tourmaline1, finish=HardPolished)
mat_s4 = Material(colors.Ruby4, finish=HardPolished)
mat_s5 = Material(colors.Emerald5, finish=HardPolished)
mat_s6 = Material(colors.Citrine2, finish=HardPolished)
mat_s7 = Material(colors.Azurite3, finish=HardPolished)
mat_s8 = Material(colors.Amethyst3, finish=HardPolished)
mat_s9 = Material(colors.P_Brass3, finish=HardPolished, metallic=True)
# Scene Elements + Scene
se_ls = LightSourcePoint([-5., 15., 15.],
intensity=1000.,
emission_color=[2., 2., 2.])
se_base = SceneElement(Sphere([0.0, -10004., 20.], 10000.), mat_base)
se_s1 = SceneElement(Sphere([0., 0., 20.], 4.), mat_s1)
se_s2 = SceneElement(Sphere([-7., -2., 23.], 2.), mat_s2)
se_s3 = SceneElement(Sphere([-5., -3., 27.], 1.), mat_s3)
se_s4 = SceneElement(Sphere([-10., 3., 50.], 7.), mat_s4)
se_s5 = SceneElement(Sphere([22., 3., 50.], 7.), mat_s5)
se_s6 = SceneElement(Sphere([15., -3., 35.], 1.), mat_s6)
se_s7 = SceneElement(Sphere([10., -1., 33.], 3.), mat_s7)
se_s8 = SceneElement(Sphere([5., -2., 25.], 2.), mat_s8)
se_s9 = SceneElement(Sphere([4., -3., 15.], 1.), mat_s9)
scene = Scene([
se_ls, se_base, se_s1, se_s2, se_s3, se_s4, se_s5, se_s6, se_s7, se_s8,
se_s9
])
# Render
rt = RayTracer(camera, scene, num_bounces=10)
traced = rt.render()
# plt.imshow(traced); plt.show()
misc.imsave('renders/pretty2.png', traced)
def render():
(w, h) = (640, 480)
camera = Camera(w, h, fov=np.pi / 6)
# Materials
base_finish = SoftDull
base_finish.reflection = 0.5
mat_base = Material(colors.P_Chrome1, finish=base_finish)
mat_f = VeryHardPolished
mat_f.reflection = 0.1
mat_s1 = Material(colors.Ruby1, finish=mat_f)
mat_s2 = Material(colors.Emerald1, finish=mat_f)
mat_s3 = Material(colors.Aquamarine1, finish=mat_f)
# se_ls = LightSourcePoint([-5., 15., 20.], intensity=1000., emission_color=[2., 2., 2.])
se_ls = LightSourceDirectional([1, -1, 0],
intensity=2.,
emission_color=[1., 1., 1.])
se_base = SceneElement(Plane([0.0, -4.0, 20.], [0., 1., 0.]), mat_base)
cone = Cone([5., 0., 40.], 2., length=4, closed=True)
cone.rotate(np.pi / 2. + np.pi / 4, [0, 1, 0])
cylinder = Cylinder([2., 0., 40.], 2., length=2, closed=True)
cylinder.rotate(-np.pi / 4, [0, 1, 0])
se_s1 = SceneElement(cone, mat_s1)
se_s2 = SceneElement(cylinder, mat_s2)
se_s3 = SceneElement(Sphere([-5., 0., 40.], 2.), mat_s3)
scene = Scene([se_ls, se_base, se_s1, se_s2, se_s3])
# Render
rt = RayTracer(camera, scene)
traced = rt.render()
plt.imshow(traced)
plt.show()
def render():
(w, h) = (640, 480)
camera = Camera(w, h, fov=np.pi / 6)
# Materials
mat_base = Material(colors.DimGray)
mat_s1 = Material(colors.CadetBlue,
finish=Finish(reflection=0.,
specular=0.8,
roughness=1. / 20))
mat_s2 = Material(colors.P_Brass3,
finish=Finish(ambient=0.25,
diffuse=0.5,
transparent=True,
specular=0.8,
roughness=1. / 80,
ior=1.5),
metallic=True)
se_ls = LightSourcePoint([-5., 10., 20.], intensity=1000.)
se_ls2 = LightSourceDirectional([1., -1., 1.], intensity=0.2)
se_base = SceneElement(Sphere([0.0, -10004., 20.], 10000.), mat_base)
se_s1 = SceneElement(Sphere([-1., -2., 20.], 2.), mat_s1)
se_s2 = SceneElement(Sphere([3.25, -1., 22.], 2.), mat_s2)
se_s3 = SceneElement(Sphere([3.25, -1., 27.], 2.), mat_s1)
scene = Scene([se_ls, se_ls2, se_base, se_s1, se_s2, se_s3])
# Render
rt = RayTracer(camera, scene)
traced = rt.render()
plt.imshow(traced)
plt.show()