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This commit is contained in:
choelzl
2022-04-07 18:46:57 +02:00
parent 88cb3426ad
commit 15e7120d6d
5316 changed files with 4563444 additions and 6 deletions
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64
cs440-acg/scenes/pa4/cbox/cbox-distributed.xml Normal file
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<?xml version='1.0' encoding='utf-8'?>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<float name="fov" value="27.7856"/>
<transform name="toWorld">
<scale value="-1,1,1"/>
<lookat target="0, 0.893051, 4.41198" origin="0, 0.919769, 5.41159" up="0, 1, 0"/>
</transform>
<integer name="height" value="600"/>
<integer name="width" value="800"/>
</camera>
<sampler type="independent">
<integer name="sampleCount" value="512"/>
</sampler>
<mesh type="obj">
<string name="filename" value="meshes/walls.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.725 0.71 0.68"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/rightwall.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.161 0.133 0.427"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/leftwall.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.630 0.065 0.05"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/sphere1.obj"/>
<bsdf type="diffuse"/>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/sphere2.obj"/>
<bsdf type="diffuse"/>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/light.obj"/>
<emitter type="area">
<color name="radiance" value="40 40 40"/>
</emitter>
</mesh>
</scene>

64
cs440-acg/scenes/pa4/cbox/cbox-whitted.xml Normal file
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<?xml version='1.0' encoding='utf-8'?>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<float name="fov" value="27.7856"/>
<transform name="toWorld">
<scale value="-1,1,1"/>
<lookat target="0, 0.893051, 4.41198" origin="0, 0.919769, 5.41159" up="0, 1, 0"/>
</transform>
<integer name="height" value="600"/>
<integer name="width" value="800"/>
</camera>
<sampler type="independent">
<integer name="sampleCount" value="512"/>
</sampler>
<mesh type="obj">
<string name="filename" value="meshes/walls.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.725 0.71 0.68"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/rightwall.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.161 0.133 0.427"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/leftwall.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.630 0.065 0.05"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/sphere1.obj"/>
<bsdf type="mirror"/>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/sphere2.obj"/>
<bsdf type="dielectric"/>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/light.obj"/>
<emitter type="area">
<color name="radiance" value="40 40 40"/>
</emitter>
</mesh>
</scene>

13
cs440-acg/scenes/pa4/cbox/meshes/leftwall.obj Normal file
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# Blender v2.72 (sub 0) OBJ File: ''
# www.blender.org
mtllib leftwall.mtl
o leftWall
v -1.020000 1.590000 -1.040000
v -1.020000 1.590000 0.990000
v -1.010000 -0.000000 0.990000
v -0.990000 0.000000 -1.040000
vt 0.000000 1.000000
usemtl leftWall
s 1
f 1/1 2/1 3/1
f 4/1 1/1 3/1

13
cs440-acg/scenes/pa4/cbox/meshes/light.obj Normal file
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# Blender v2.72 (sub 0) OBJ File: ''
# www.blender.org
mtllib light.mtl
o light
v 0.230000 1.580000 -0.220000
v 0.230000 1.580000 0.160000
v -0.240000 1.580000 0.160000
v -0.240000 1.580000 -0.220000
vt 0.000000 1.000000
usemtl light
s 1
f 1/1 2/1 3/1
f 4/1 1/1 3/1

13
cs440-acg/scenes/pa4/cbox/meshes/rightwall.obj Normal file
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# Blender v2.72 (sub 0) OBJ File: ''
# www.blender.org
mtllib rightwall.mtl
o rightWall
v 1.000000 1.590000 0.990000
v 1.000000 1.590000 -1.040000
v 1.000000 0.000000 -1.040000
v 1.000000 -0.000000 0.990000
vt 0.000000 1.000000
usemtl rightWall
s 1
f 1/1 2/1 3/1
f 4/1 1/1 3/1

7944
cs440-acg/scenes/pa4/cbox/meshes/sphere1.obj Normal file
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cs440-acg/scenes/pa4/cbox/meshes/sphere1_.obj Normal file
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7944
cs440-acg/scenes/pa4/cbox/meshes/sphere2.obj Normal file
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cs440-acg/scenes/pa4/cbox/meshes/sphere2_.obj Normal file
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cs440-acg/scenes/pa4/cbox/meshes/walls.obj Normal file
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# Blender v2.72 (sub 0) OBJ File: ''
# www.blender.org
mtllib walls.mtl
o ceiling
v 1.000000 1.590000 -1.040000
v 1.000000 1.590000 0.990000
v -1.020000 1.590000 0.990000
v -1.020000 1.590000 -1.040000
vt 0.000000 1.000000
usemtl ceiling
s 1
f 1/1 2/1 3/1
f 4/1 1/1 3/1
o floor
v 1.000000 0.000000 -1.040000
v -0.990000 0.000000 -1.040000
v -1.010000 -0.000000 0.990000
v 1.000000 -0.000000 0.990000
vt 0.000000 1.000000
usemtl floor
s 1
f 5/2 6/2 7/2
f 8/2 5/2 7/2
o backWall
v 1.000000 1.590000 -1.040000
v -1.020000 1.590000 -1.040000
v -0.990000 0.000000 -1.040000
v 1.000000 0.000000 -1.040000
vt 0.000000 1.000000
usemtl backWall
s 1
f 9/3 10/3 11/3
f 12/3 9/3 11/3

56
cs440-acg/scenes/pa4/logo/logo-dielectric.xml Normal file
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<scene>
<integrator type="whitted"/>
<sampler type="independent">
<!-- You might want to reduce this number during development -->
<integer name="sampleCount" value="4096"/>
<!-- <integer name="sampleCount" value="16"/> -->
</sampler>
<camera type="perspective">
<!-- Camera-to-world coordinate system transformation -->
<transform name="toWorld">
<lookat origin="2.668, 1.078, 6.668" target="-0.841,0.85,-0.051" up="0,1,0"/>
</transform>
<float name="fov" value="60"/>
<integer name="width" value="768"/>
<integer name="height" value="384"/>
</camera>
<mesh type="obj">
<!--
Pineapple SVG:
CC BY-NC 4.0 Licence
"Pineapple Black And White" (http://clipartmag.com/pineapple-black-and-white)
http://clipartmag.com/pineapple-black-and-white#pineapple-black-and-white-2.jpg
-->
<string name="filename" value="meshes/logo.obj"/>
<bsdf type="dielectric"/>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
<transform name="toWorld">
<scale value="6, 6, 6"/>
</transform>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/light1.obj"/>
<emitter type="area">
<color name="radiance" value="60, 200, 120"/>
</emitter>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/light2.obj"/>
<emitter type="area">
<color name="radiance" value="80, 80, 800"/>
</emitter>
</mesh>
</scene>

58
cs440-acg/scenes/pa4/logo/logo-diffuse.xml Normal file
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<scene>
<integrator type="whitted"/>
<sampler type="independent">
<!-- You might want to reduce this number during development -->
<integer name="sampleCount" value="4096"/>
<!-- <integer name="sampleCount" value="16"/> -->
</sampler>
<camera type="perspective">
<!-- Camera-to-world coordinate system transformation -->
<transform name="toWorld">
<lookat origin="2.668, 1.078, 6.668" target="-0.841,0.85,-0.051" up="0,1,0"/>
</transform>
<float name="fov" value="60"/>
<integer name="width" value="768"/>
<integer name="height" value="384"/>
</camera>
<mesh type="obj">
<!--
Pineapple SVG:
CC BY-NC 4.0 Licence
"Pineapple Black And White" (http://clipartmag.com/pineapple-black-and-white)
http://clipartmag.com/pineapple-black-and-white#pineapple-black-and-white-2.jpg
-->
<string name="filename" value="meshes/logo.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
<transform name="toWorld">
<scale value="6, 6, 6"/>
</transform>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/light1.obj"/>
<emitter type="area">
<color name="radiance" value="60, 200, 120"/>
</emitter>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/light2.obj"/>
<emitter type="area">
<color name="radiance" value="80, 80, 800"/>
</emitter>
</mesh>
</scene>

147
cs440-acg/scenes/pa4/logo/meshes/floor.obj Normal file
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v -9.2 -4.48421 2.68512
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v -9.2 -3.51045 -0.75038
v -9.2 -3.25462 -1.19378
v -9.2 -2.97214 -1.61984
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v -9.2 2.00095 -4.85476
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v -9.2 2.99768 -4.98382
v -9.2 3.5 -5
v -9.2 4.00232 -4.98382
v -9.2 4.50267 -4.93534
v -9.2 4.99905 -4.85476
v -9.2 5.48952 -4.74238
v -9.2 5.97214 -4.59866
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v -9.2 7.35403 -3.98571
v -9.2 7.78661 -3.72349
v -9.2 -4.48421 3.71488
v 10.8 -4.5 3.2
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v 10.8 -4.43692 2.17227
v 10.8 -4.3583 1.66347
v 10.8 -4.24867 1.16074
v 10.8 -4.10845 0.666061
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v 10.8 -3.51045 -0.75038
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v 10.8 1.02786 -4.59866
v 10.8 1.51048 -4.74238
v 10.8 2.00095 -4.85476
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v 10.8 5.97214 -4.59866
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cs440-acg/scenes/pa4/logo/meshes/light1.obj Normal file
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cs440-acg/scenes/pa4/logo/meshes/light2.obj Normal file
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cs440-acg/scenes/pa4/logo/meshes/logo.obj Normal file
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6
cs440-acg/scenes/pa4/tests/meshes/floor.obj Normal file
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@@ -0,0 +1,6 @@
v -10 0 -10
v -10 0 10
v 10 0 10
v 10 0 -10
f 1 2 3
f 1 3 4

58
cs440-acg/scenes/pa4/tests/meshes/furnace.obj Normal file
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v -0.500000 -0.500000 0.500000
v 0.500000 -0.500000 0.500000
v -0.500000 0.500000 0.500000
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vt 0.625000 0.000000
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f 7/13/21 1/1/22 5/14/23
f 5/14/23 1/1/22 3/3/24

90
cs440-acg/scenes/pa4/tests/meshes/polylum.py Normal file
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#!python
import numpy as np
import sys
# Make up test cases with polygonal luminaires.
# Step 1: generate a random triangle that lies in the +y half-space.
# Make sure it faces the origin.
v = np.transpose(np.random.rand(3,3) - [[0.5], [0], [0.5]])
normal = np.cross(v[1] - v[0], v[2] - v[0])
if (np.dot(normal, v[0]) > 0):
v = np.flipud(v)
# Step 2: compute the irradiance using Lambert's formula.
# See Arvo's thesis, equations 3.1 to 3.3.
def norm(x):
return np.sqrt(np.dot(x,x))
Phi = 0 # vector irradiance
for k0 in range(3):
k1 = (k0 + 1) % 3
Theta = np.arccos(np.dot(v[k0], v[k1]) / (norm(v[k0]) * norm(v[k1])))
Gamma1 = np.cross(v[k0], v[k1])
Gamma = Gamma1 / norm(Gamma1)
Phi += 1 / 4.0 * Theta * Gamma
irradiance = -np.dot(Phi, [0,1,0])
# Step 3: write out a nori test scene, wrapped in a t-test
xml_text = """<?xml version="1.0" encoding="utf-8"?>
<test type="ttest">
<string name="references" value="%g"/>
<scene>
<integrator type="path"/>
<camera type="perspective">
<transform name="toWorld">
<lookat origin="0, 0.01, 0"
target="0, 0, 0"
up="0, 0, 1"/>
</transform>
<float name="fov" value="1e-6"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="%s"/>
<bsdf type="diffuse">
<color name="albedo" value="0, 0, 0"/>
</bsdf>
<luminaire type="area">
<color name="radiance" value="1, 1, 1"/>
</luminaire>
</mesh>
</scene>
</test>
"""
obj_text = """v %g %g %g
v %g %g %g
v %g %g %g
f 1 2 3
"""
if len(sys.argv) < 3:
print "Usage: python polylum.py <xml output file> <obj output file>"
sys.exit(-1)
fname_obj = sys.argv[2]
f_xml = open(sys.argv[1], 'w')
f_xml.write(xml_text % (.5 / np.pi * irradiance, fname_obj))
f_xml.close()
f_obj = open(fname_obj, 'w')
f_obj.write(obj_text % tuple(v.flat))
f_obj.close()

4
cs440-acg/scenes/pa4/tests/meshes/polylum1.obj Normal file
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v -0.443432 0.596366 0.495985
v -0.320397 0.0677699 -0.229359
v 0.0341197 0.11415 -0.343049
f 1 2 3

4
cs440-acg/scenes/pa4/tests/meshes/polylum2.obj Normal file
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v 0.461963 0.397843 0.412747
v -0.0381582 0.851323 -0.156872
v 0.195443 0.891957 -0.260672
f 1 2 3

4
cs440-acg/scenes/pa4/tests/meshes/polylum3.obj Normal file
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v 0.100871 0.289075 -0.422609
v -0.308386 0.629587 0.423966
v -0.373132 0.237287 0.351592
f 1 2 3

4
cs440-acg/scenes/pa4/tests/meshes/polylum4.obj Normal file
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v -0.17575 0.639397 0.151268
v 0.318604 0.732996 0.459771
v 0.139095 0.294498 0.478556
f 1 2 3

4
cs440-acg/scenes/pa4/tests/meshes/polylum5.obj Normal file
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v -0.17487 0.447916 0.367201
v -0.405259 0.249607 -0.354079
v 0.356029 0.0918984 -0.132271
f 1 2 3

57
cs440-acg/scenes/pa4/tests/test-mesh-furnace.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
Furnace
This test has the camera located inside a diffuse box with emittance 1
and albedo "a". The amount of illumination received by the camera should
be be the same in all directions and equal to
1 + a + a^2 + ... = 1 / (1-a)
The following tests this for the "whitted" with two different values of "a".
-->
<test type="ttest">
<string name="references" value="1.5, 1.8"/>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<float name="fov" value="10"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="meshes/furnace.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
<emitter type="area">
<color name="radiance" value="1, 1, 1"/>
</emitter>
</mesh>
</scene>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<float name="fov" value="10"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="meshes/furnace.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.8, 0.8, 0.8"/>
</bsdf>
<emitter type="area">
<color name="radiance" value="1, 1, 1"/>
</emitter>
</mesh>
</scene>
</test>

166
cs440-acg/scenes/pa4/tests/test-mesh.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<test type="ttest">
<string name="references"
value="0.0898394, 0.02292, 0.0534198, 0.0205314, 0.26174"/>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<transform name="toWorld">
<lookat origin="0, 0.01, 0"
target="0, 0, 0"
up="0, 0, 1"/>
</transform>
<float name="fov" value="1e-6"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="meshes/floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/polylum1.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0, 0, 0"/>
</bsdf>
<emitter type="area">
<color name="radiance" value="1, 1, 1"/>
</emitter>
</mesh>
</scene>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<transform name="toWorld">
<lookat origin="0, 0.01, 0"
target="0, 0, 0"
up="0, 0, 1"/>
</transform>
<float name="fov" value="1e-6"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="meshes/floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/polylum2.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0, 0, 0"/>
</bsdf>
<emitter type="area">
<color name="radiance" value="1, 1, 1"/>
</emitter>
</mesh>
</scene>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<transform name="toWorld">
<lookat origin="0, 0.01, 0"
target="0, 0, 0"
up="0, 0, 1"/>
</transform>
<float name="fov" value="1e-6"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="meshes/floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/polylum3.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0, 0, 0"/>
</bsdf>
<emitter type="area">
<color name="radiance" value="1, 1, 1"/>
</emitter>
</mesh>
</scene>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<transform name="toWorld">
<lookat origin="0, 0.01, 0"
target="0, 0, 0"
up="0, 0, 1"/>
</transform>
<float name="fov" value="1e-6"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="meshes/floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/polylum4.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0, 0, 0"/>
</bsdf>
<emitter type="area">
<color name="radiance" value="1, 1, 1"/>
</emitter>
</mesh>
</scene>
<scene>
<integrator type="whitted"/>
<camera type="perspective">
<transform name="toWorld">
<lookat origin="0, 0.01, 0"
target="0, 0, 0"
up="0, 0, 1"/>
</transform>
<float name="fov" value="1e-6"/>
<integer name="width" value="1"/>
<integer name="height" value="1"/>
</camera>
<mesh type="obj">
<string name="filename" value="meshes/floor.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0.5, 0.5, 0.5"/>
</bsdf>
</mesh>
<mesh type="obj">
<string name="filename" value="meshes/polylum5.obj"/>
<bsdf type="diffuse">
<color name="albedo" value="0, 0, 0"/>
</bsdf>
<emitter type="area">
<color name="radiance" value="1, 1, 1"/>
</emitter>
</mesh>
</scene>
</test>