0001_geo

render

 

reference

 

rmse=0.000307417

log file -- build log file

corona-13: microfacets-43-gd03fe6f
file     : 0001_geo/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 512x288
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 100
render   : visibility rays: em + brdf*dot^2
sampler  : pathtracer
mutations: none
spectrum : grid-based full gamut reconstruction
camera   : linear rec709 D65
input    : linear rec709 adapted to illuminant E

0002_mb

render

 

reference

 

rmse=0

log file -- build log file

corona-13: microfacets-42-g7ff0398
file     : 0002_mb/test
aabb     : (-10.008, 9.992)x(-9.899, 11.145)x(0.035, 8.551) dm^3
res      : 512x288
points   : simple and fast mersenne twister
primitive: 8 indexed primitives with motion blur support
accel    : qbvh with tight motion-blurred boxes and support for big scenes
shader   : loadable shader support
camera   : thin lens model
  focus  : 9.195007
  film   : 36mm x 20mm
         : 1/30 f/8.0 72mm iso 100
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.07 s/prog) max path vertices 32
           elapsed times: wallclock 8.91s (08.91), user 105.09s (01:45.09)
           average image intensity (rgb): (0.484739 0.379891 0.315690)
filter   : blackman harris, using spinlocks
sampler  : pathtracer with next event estimation and mis
mutations: halton points
spectrum : smits-style reconstruction
camera   : linear rec709 D65
input    : linear rec709 adapted to illuminant E

0003_cam_mb

render

 

reference

 

rmse=0

log file -- build log file

corona-13: microfacets-42-g7ff0398
file     : 0003_cam_mb/test
aabb     : (-10.008, 9.992)x(-9.899, 11.145)x(0.035, 8.551) dm^3
res      : 512x288
points   : simple and fast mersenne twister
primitive: 8 indexed primitives with motion blur support
accel    : qbvh with tight motion-blurred boxes and support for big scenes
shader   : loadable shader support
camera   : thin lens model
  focus  : 9.195007
  film   : 36mm x 20mm
         : 1/30 f/8.0 72mm iso 100
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.07 s/prog) max path vertices 32
           elapsed times: wallclock 8.44s (08.43), user 98.82s (01:38.81)
           average image intensity (rgb): (0.504797 0.378585 0.295132)
filter   : blackman harris, using spinlocks
sampler  : pathtracer with next event estimation and mis
mutations: halton points
spectrum : smits-style reconstruction
camera   : linear rec709 D65
input    : linear rec709 adapted to illuminant E

0010_pt

render

 

reference

 

rmse=0.192501

log file -- build log file

corona-13: microfacets-39-g673ac49
file     : 0010_pt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.20 s/prog) max path vertices 32
           elapsed times: wallclock 26.11s (26.11), user 309.32s (05:09.31)
           average image intensity (rgb): (1.082872 1.085367 1.075636)
filter   : blackman harris, using spinlocks
sampler  : pathtracer
mutations: none
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0011_ptdl

render

 

reference

 

rmse=0.0858811

log file -- build log file

corona-13: microfacets-39-g673ac49
file     : 0011_ptdl/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.36 s/prog) max path vertices 32
           elapsed times: wallclock 45.48s (45.47), user 544.35s (09:04.34)
           average image intensity (rgb): (1.083142 1.082929 1.073196)
filter   : blackman harris, using spinlocks
sampler  : pathtracer with next event estimation and mis
mutations: none
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0012_lt

render

 

reference

 

rmse=0.142759

log file -- build log file

corona-13: microfacets-42-g7ff0398
file     : 0012_lt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.19 s/prog) max path vertices 32
           elapsed times: wallclock 23.95s (23.95), user 286.37s (04:46.36)
           average image intensity (rgb): (0.120862 0.120267 0.104829)
filter   : blackman harris, using spinlocks
sampler  : lighttracer
mutations: none
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0013_ptlt

render

 

reference

 

rmse=0.0523617

log file -- build log file

corona-13: microfacets-42-g7ff0398
file     : 0013_ptlt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.61 s/prog) max path vertices 32
           elapsed times: wallclock 78.61s (01:18.60), user 935.59s (15:35.58)
           average image intensity (rgb): (1.085598 1.087445 1.075022)
filter   : blackman harris, using spinlocks
sampler  : mis-combined pathtracer with next event estimation and lighttracer
mutations: none
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0014_bdpt

render

 

reference

 

rmse=0.0522814

log file -- build log file

corona-13: microfacets-43-gd03fe6f
file     : 0014_bdpt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.77 s/prog) max path vertices 32
           elapsed times: wallclock 98.04s (01:38.04), user 1167.50s (19:27.50)
           average image intensity (rgb): (1.085342 1.079649 1.077271)
filter   : blackman harris, using spinlocks
sampler  : mis-weighted bi-directional path tracer
mutations: none
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0015_ppm

render

 

reference

 

rmse=0.133841

log file -- build log file

corona-13: microfacets-43-gd03fe6f
file     : 0015_ppm/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (1.49 s/prog) max path vertices 32
           elapsed times: wallclock 190.69s (03:10.69), user 1924.95s (32:04.94)
           average image intensity (rgb): (0.143738 0.140937 0.128500)
filter   : blackman harris, using spinlocks
sampler  : progressive photon map
mutations: none
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0016_kmlt_pt

render

 

reference

 

rmse=0.112665

log file -- build log file

corona-13: microfacets-39-g673ac49
file     : 0016_kmlt_pt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.15 s/prog) max path vertices 32
           elapsed times: wallclock 19.34s (19.33), user 230.67s (03:50.67)
           average image intensity (rgb): (1.179331 1.178670 1.165141)
filter   : blackman harris, using spinlocks
sampler  : pathtracer
mutations: metropolis as in kelemen and szirmay-kalos
           large step probability 0.200000
           mean acceptance 64.90%
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0017_kmlt_ptdl

render

 

reference

 

rmse=0.0817016

log file -- build log file

corona-13: microfacets-39-g673ac49
file     : 0017_kmlt_ptdl/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.23 s/prog) max path vertices 32
           elapsed times: wallclock 29.91s (29.90), user 358.51s (05:58.50)
           average image intensity (rgb): (1.195146 1.193511 1.180525)
filter   : blackman harris, using spinlocks
sampler  : pathtracer with next event estimation and mis
mutations: metropolis as in kelemen and szirmay-kalos
           large step probability 0.200000
           mean acceptance 67.56%
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0018_kmlt_lt

render

 

reference

 

rmse=0.0833926

log file -- build log file

corona-13: microfacets-43-gd03fe6f
file     : 0018_kmlt_lt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.41 s/prog) max path vertices 32
           elapsed times: wallclock 52.49s (52.48), user 612.07s (10:12.07)
           average image intensity (rgb): (0.126852 0.125614 0.112417)
filter   : blackman harris, using spinlocks
sampler  : lighttracer
mutations: metropolis as in kelemen and szirmay-kalos
           large step probability 0.200000
           mean acceptance 62.27%
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0019_kmlt_bdpt

render

 

reference

 

rmse=0.0920149

log file -- build log file

corona-13: microfacets-43-gd03fe6f
file     : 0019_kmlt_bdpt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.80 s/prog) max path vertices 32
           elapsed times: wallclock 103.00s (01:42.99), user 1207.27s (20:07.27)
           average image intensity (rgb): (1.168134 1.167097 1.156107)
filter   : blackman harris, using spinlocks
sampler  : mis-weighted bi-directional path tracer
mutations: metropolis as in kelemen and szirmay-kalos
           large step probability 0.200000
           mean acceptance 66.33%
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

this tests the veach metropolis framework with a large step unidirectional mutation, a multi-chain perturbation treating all microfacets as specular interactions, and a specialized mutation strategy for glossy materials, half vector space mutations keeping start and end points fixed.

render

 

reference

 

rmse=0.100619

log file -- build log file

corona-13: microfacets-39-g673ac49
file     : 0020_hslt/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.23 s/prog) max path vertices 32
           elapsed times: wallclock 29.71s (29.71), user 354.27s (05:54.27)
           average image intensity (rgb): (1.087301 1.085190 1.076109)
filter   : blackman harris, using spinlocks
sampler  : pathtracer
mutations: metropolis light transport in path space (veach style)
           using 30000 max consecutive rejects.
           mean image brightness 0.768068
         : large step mutation
           acceptance rate 0.4118% (155432/37747346)
         : extended half vector space mutation
           newtonian walks        4.86%
           failed project         0.00%
           failed propagate       0.00%
           failed mf              0.01%
           failed mutation        0.24%
           reached max iterations 28.65%
           average iterations     4.14
           successful step reduce 7.24%
           error increased        2.10%
           non-reversible         6.15%
           raydiff compute failed 0.00%
           successful mutations   44.36%
           acceptance rate 42.4691% (16032801/37751650)
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

0021_bdpt1

render

 

reference

 

rmse=0.155988

log file -- build log file

corona-13: microfacets-43-gd03fe6f
file     : 0021_bdpt1/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.13 s/prog) max path vertices 32
           elapsed times: wallclock 16.59s (16.59), user 198.17s (03:18.16)
           average image intensity (rgb): (1.077189 1.085111 1.079915)
filter   : blackman harris, using spinlocks
sampler  : bi-directional path tracer with just one connection
mutations: none
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

this tests the veach metropolis framework with a large step bidirectional mutation, a multi-chain perturbation treating all microfacets as specular interactions, and a specialized mutation strategy for glossy materials, half vector space mutations keeping start and end points fixed.

render

 

reference

 

rmse=0.129405

log file -- build log file

corona-13: microfacets-44-ge92608e
file     : 0022_hslt_bdpt1/test
aabb     : (-9.463, 17.942)x(-10.000, 10.000)x(0.000, 8.516) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4109 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.28 s/prog) max path vertices 32
           elapsed times: wallclock 35.80s (35.79), user 424.84s (07:04.83)
           average image intensity (rgb): (1.088452 1.087344 1.072720)
filter   : blackman harris, using spinlocks
sampler  : bi-directional path tracer with just one connection
mutations: metropolis light transport in path space (veach style)
           using 30000 max consecutive rejects.
           mean image brightness 0.767148
         : large step mutation
           acceptance rate 0.1354% (48155/35569668)
         : halfvector space mutation
           failed project         0.00%
           failed propagate       0.00%
           failed mf              0.00%
           failed mutation        0.66%
           reached max iterations 18.41%
           average iterations     6.34
           successful step reduce 3.75%
           error increased        1.44%
           non-reversible         4.05%
           raydiff compute failed 0.00%
           successful mutations   77.28%
           acceptance rate 50.7941% (2215377/4361483)
         : multi-chain perturbation
           acceptance rate 60.4628% (21505301/35567845)
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

half vector space light transport rendering an invisible cube (index matched)

render

 

reference

 

rmse=0

log file -- build log file

corona-13: microfacets-39-g673ac49
file     : 0023_hslt_im/test
aabb     : (-9.463, 4.834)x(-10.000, 10.000)x(0.000, 4.850) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4105 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 18.986294
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 400
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (0.25 s/prog) max path vertices 32
           elapsed times: wallclock 31.78s (31.77), user 374.26s (06:14.26)
           average image intensity (rgb): (0.079652 0.079578 0.078247)
filter   : blackman harris, using spinlocks
sampler  : pathtracer
mutations: metropolis light transport in path space (veach style)
           using 30000 max consecutive rejects.
           mean image brightness 0.0756352
         : large step mutation
           acceptance rate 0.3984% (274148/68809218)
         : halfvector space mutation
           failed project         0.00%
           failed propagate       0.00%
           failed mf              0.00%
           failed mutation        6.43%
           reached max iterations 3.11%
           average iterations     4.00
           successful step reduce 0.48%
           error increased        0.16%
           non-reversible         2.00%
           raydiff compute failed 0.00%
           successful mutations   94.30%
           acceptance rate 73.0763% (4888645/6689778)
spectrum : grid-based full gamut reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

homogeneous medium scattering with dwivedi sampling.

render

 

reference

 

rmse=0.0405942

log file -- build log file

corona-13: microfacets-42-g7ff0398
file     : 0030_subsurf/test
aabb     : (-9.463, 4.834)x(-10.000, 10.000)x(0.000, 4.850) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 252147 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 6.545388
  film   : 36mm x 20mm
         : 1/125 f/8.0 60mm iso 100
render   : global illumination, memory friendly framebuffer
           samples per pixel: 256 (0.73 s/prog) max path vertices 32
           elapsed times: wallclock 186.06s (03:06.06), user 2217.46s (36:57.46)
           average image intensity (rgb): (0.112548 0.109612 0.100859)
filter   : blackman harris, using spinlocks
sampler  : pathtracer with next event estimation and mis
mutations: metropolis as in kelemen and szirmay-kalos
           large step probability 0.200000
           mean acceptance 65.08%
spectrum : grid-based full gamut reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

heterogeneous volume (openvdb backend) with woodcock and residual ratio tracking [Novak et al. 2014].

render

 

reference

 

rmse=0.0143384

log file -- build log file

corona-13: microfacets-39-g673ac49
file     : 0031_hete/test
aabb     : (-15.166, 4.834)x(-0.000, 4.850)x(-9.293, 5.004) dm^3
res      : 1024x576
points   : simple and fast mersenne twister
primitive: 4097 indexed primitives with motion blur support
accel    : qbvh
shader   : loadable shader support
camera   : thin lens model
  focus  : 12.047125
  film   : 36mm x 20mm
         : 1/125 f/11.0 41mm iso 25
render   : global illumination, memory friendly framebuffer
           samples per pixel: 64 (0.94 s/prog) max path vertices 32
           elapsed times: wallclock 59.84s (59.84), user 685.19s (11:25.18)
           average image intensity (rgb): (0.104209 0.103355 0.112324)
filter   : blackman harris, using spinlocks
sampler  : pathtracer with next event estimation and mis
mutations: halton points
spectrum : smits-style reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E

bsdf battle-test running sample(), estimating the bsdf the pdf using a histogram. also testing eval() and pdf() calls directly.

estimated bsdf angle 01

sum 0.834969

 

bsdf eval angle 01

sum 0.834833

 

bsdf diff angle 01

diff -.000136

 

estimated pdf angle 01

sum 0.932400

 

pdf eval angle 01

sum 0.932256

 

pdf diff angle 01

diff -.000144

 

estimated bsdf angle 02

sum 0.833772

 

bsdf eval angle 02

sum 0.833897

 

bsdf diff angle 02

diff .000125

 

estimated pdf angle 02

sum 0.931052

 

pdf eval angle 02

sum 0.931182

 

pdf diff angle 02

diff .000130

 

estimated bsdf angle 03

sum 0.829980

 

bsdf eval angle 03

sum 0.830202

 

bsdf diff angle 03

diff .000222

 

estimated pdf angle 03

sum 0.926666

 

pdf eval angle 03

sum 0.926928

 

pdf diff angle 03

diff .000262

 

estimated bsdf angle 04

sum 0.820020

 

bsdf eval angle 04

sum 0.820104

 

bsdf diff angle 04

diff .000084

 

estimated pdf angle 04

sum 0.915133

 

pdf eval angle 04

sum 0.915190

 

pdf diff angle 04

diff .000057

 

estimated bsdf angle 05

sum 0.792176

 

bsdf eval angle 05

sum 0.792147

 

bsdf diff angle 05

diff -.000029

 

estimated pdf angle 05

sum 0.882142

 

pdf eval angle 05

sum 0.882117

 

pdf diff angle 05

diff -.000025

 

estimated bsdf angle 06

sum 0.684727

 

bsdf eval angle 06

sum 0.684674

 

bsdf diff angle 06

diff -.000053

 

estimated pdf angle 06

sum 0.747713

 

pdf eval angle 06

sum 0.747676

 

pdf diff angle 06

diff -.000037

 

bsdf battle-test running sample(), estimating the bsdf the pdf using a histogram. also testing eval() and pdf() calls directly.

estimated bsdf angle 01

sum 0.048545

 

bsdf eval angle 01

sum 0.048599

 

bsdf diff angle 01

diff .000054

 

estimated pdf angle 01

sum 0.059444

 

pdf eval angle 01

sum 0.059463

 

pdf diff angle 01

diff .000019

 

estimated bsdf angle 02

sum 0.050541

 

bsdf eval angle 02

sum 0.050497

 

bsdf diff angle 02

diff -.000044

 

estimated pdf angle 02

sum 0.063874

 

pdf eval angle 02

sum 0.063709

 

pdf diff angle 02

diff -.000165

 

estimated bsdf angle 03

sum 0.056738

 

bsdf eval angle 03

sum 0.056531

 

bsdf diff angle 03

diff -.000207

 

estimated pdf angle 03

sum 0.075405

 

pdf eval angle 03

sum 0.074756

 

pdf diff angle 03

diff -.000649

 

estimated bsdf angle 04

sum 0.076624

 

bsdf eval angle 04

sum 0.076196

 

bsdf diff angle 04

diff -.000428

 

estimated pdf angle 04

sum 0.110048

 

pdf eval angle 04

sum 0.107833

 

pdf diff angle 04

diff -.002215

 

bsdf battle-test running sample(), estimating the bsdf the pdf using a histogram. also testing eval() and pdf() calls directly.

estimated bsdf angle 01

sum 0.826433

 

bsdf eval angle 01

sum 0.826321

 

bsdf diff angle 01

diff -.000112

 

estimated pdf angle 01

sum 0.920825

 

pdf eval angle 01

sum 0.920599

 

pdf diff angle 01

diff -.000226

 

estimated bsdf angle 02

sum 0.814529

 

bsdf eval angle 02

sum 0.814602

 

bsdf diff angle 02

diff .000073

 

estimated pdf angle 02

sum 0.914913

 

pdf eval angle 02

sum 0.915035

 

pdf diff angle 02

diff .000122

 

estimated bsdf angle 03

sum 0.788810

 

bsdf eval angle 03

sum 0.789010

 

bsdf diff angle 03

diff .000200

 

estimated pdf angle 03

sum 0.898849

 

pdf eval angle 03

sum 0.899095

 

pdf diff angle 03

diff .000246

 

estimated bsdf angle 04

sum 0.723640

 

bsdf eval angle 04

sum 0.723880

 

bsdf diff angle 04

diff .000240

 

estimated pdf angle 04

sum 0.859573

 

pdf eval angle 04

sum 0.859891

 

pdf diff angle 04

diff .000318

 

hairs intersected as cylinders and shaded with the far field model by marschner et al. [2003], importance sampled using d'eon et al. [2013].

render

 

reference

 

rmse=0.0147696

log file -- build log file

corona-13: microfacets-42-g7ff0398
file     : 0060_hair/test
aabb     : (-9.463, 4.834)x(-10.000, 10.000)x(0.000, 4.850) dm^3
res      : 1024x1024
points   : simple and fast mersenne twister
primitive: 516113 indexed primitives with motion blur support
accel    : qbvh with tight motion-blurred boxes and support for big scenes, parallel build.
shader   : loadable shader support
camera   : thin lens model
  focus  : 17.535463
  film   : 36mm x 36mm
         : 1/125 f/11.0 258mm iso 1600
render   : global illumination, memory friendly framebuffer
           samples per pixel: 128 (1.85 s/prog) max path vertices 32
           elapsed times: wallclock 237.24s (03:57.24), user 2834.69s (47:14.69)
           average image intensity (rgb): (0.061308 0.058537 0.048494)
filter   : blackman harris, using spinlocks
sampler  : mis-weighted bi-directional path tracer
mutations: halton points
spectrum : grid-based full gamut reconstruction
camera   : CIE XYZ
input    : linear rec709 adapted to illuminant E