Update README and go to latest markdeep version

README.md.html

@@ -74,7 +74,7 @@ and related command-line options.) Sometimes the corresponding `*.pbrt`
 file has a comment under the `Film` directive with the command line options
 that were used for `imgtool`.
 
-## A note about clamped sample values
+## A Note about Clamped Sample Values
 
 Some of these scenes have very difficult-to-sample light transport paths
 that in turn cause high variance, which manifests itself as scattered very
@@ -102,9 +102,11 @@ handle them effectively would be useful contributions to rendering.
 
 ## Overview of Scenes
 
-![Barcelona Pavilion day](images/barcelona-pavilion/pavilion-day.png height="200px")
+(##) Barcelona Pavilion
 
-![Barcelona Pavilion night](images/barcelona-pavilion/pavilion-night.png height="200px")
+![](images/barcelona-pavilion/pavilion-day.png height="200px")
+
+![](images/barcelona-pavilion/pavilion-night.png height="200px")
 
 [barcelona-pavilion](barcelona-pavilion): Model of van der Rohe's classic
 [Barcelona Pavilion](https://en.wikipedia.org/wiki/Barcelona_Pavilion),
@@ -115,6 +117,14 @@ area light sources; it is particularly challenging to render, as much of
 the illumination travels through one or more layers of glass before hitting
 a surface.
 
+barcelona-pavilion: Thanks to [Hamza Cheggour](http://www.emirage.org), who
+created this [great
+model](http://www.emirage.org/2013/04/24/free-download-archviz-project-pabellon-barcelona-3d-scene-v1-2-updated/)
+and made it available via a
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license.
+
+(##) Bathroom
+
 ![](images/bathroom/bathroom.png height="200px")
 
 [bathroom](bathroom): Modern bathroom with soft indirect lighting and
@@ -122,11 +132,24 @@ depth of field. Given the mirrors and bright wight walls, multi-bounce
 indirect illumination has a substantial effect on the overall appearance
 of the scene.
 
+Thanks to "nacimus", who made this scene available under the
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license. Downloaded
+from [Blendswap](http://www.blendswap.com/blends/view/73937).
+
+(##) BMW M6
+
 ![](images/bmw-m6/bmw-m6.png height="200px")
 
 [bmw-m6](bmw-m6): BMW M6 car (model year 2006) illuminated by a realistic
 skylight model.
 
+Thanks to Fred C. M'ule Jr. ("tyrant monkey" on BlendSwap) for this nice
+car model. [CC-Zero](https://creativecommons.org/publicdomain/zero/1.0/)
+(public domain) license. Downloaded from
+[Blendswap](http://www.blendswap.com/blends/view/3557).
+
+(##) Breakfast
+
 ![](images/breakfast/breakfast-lamps.png height="200px")
 
 [breakfast](breakfast): Indoor scene with chairs around a table. One
@@ -137,29 +160,58 @@ illuminated by the lights above the table; handling the resulting light
 transport through the glass light fixtures is a good challenge for many
 light transport algorithms.
 
+Thanks to "Wig42", who made this scene available under a
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license. Downloaded
+from [Blendswap](http://www.blendswap.com/blends/view/75431).
+
+(##) Buddha Fractal
+
 ![](images/buddha-fractal/buddha-fractal.png height="200px")
 
 [buddha-fractal](buddha-fractal): Stanford Buddha model made out of Stanford Buddha
 models. 25,250 instances, each with 29,890 triangles, giving a total
 geometric complexity of over 750 million triangles.
 
+Thanks for Guillermo M. Leal Llaguno for this fun variant
+of the Stanford Buddha model. (Buddha model courtesy [Stanford Computer
+Graphics Laboratory](http://graphics.stanford.edu/data/3Dscanrep/)).
+
+(##) Bunny Fur
+
 ![](images/bunny-fur/f3-15.png height="200px")
 
 [bunny-fur](bunny-fur): Stanford Bunny with fur growing out of it, modeled using the
 new curve shape added to `pbrt` in the third edition of the book. Over
 1.5 million curves are used.
 
+Bunny model courtesy [Stanford Computer Graphics
+Laboratory](http://graphics.stanford.edu/data/3Dscanrep/).  Environment map
+thanks to [Bernhard Vogl](http://dativ.at/lightprobes/index.html).
+
+(##) Caustic Glass
+
 ![](images/caustic-glass/f16-9c.png height="200px")
 
 [caustic-glass](caustic-glass): A delightfully complex caustic pattern that
 results from light being projected through a realistic model of a bumpy
 glass.
 
+Thanks to Simon Wendsche (https://byob.carbonmade.com/) for
+the model.
+
+(##) Chopper Titan
+
 ![](images/chopper-titan/chopper-titan.png height="200px")
 
 [chopper-titan](chopper-titan): Shiny motorcycle sitting on a glossy
 surface, illuminated by a sunset.
 
+Thanks to julioras3d for this model;
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license. Downloaded
+from [Blendswap](http://www.blendswap.com/blends/view/67726).
+
+(##) Cloud
+
 ![White cloud](images/cloud/cloud.png height="200px")
 
 ![Smoky cloud](images/cloud/smoke.png height="200px")
@@ -170,12 +222,24 @@ volume density but with much more absorption, leading to a much darker
 cloud.  The two images show the difference between highly-scattering and
 highly-absorptive media.
 
+Smoke dataset courtesy Duc Nguyen and Ron Fedkiw.  Skylight
+environment map courtesy Nolan Goodnight.
+
+(##) Coffee Splash
+
 ![](images/coffee-splash/splash.png height="200px")
 
 [coffee-splash](coffee-splash): A splash of coffee in a cup with a spoon,
 rendered using a complex simulated BRDF for the cup and saucer, and
 multiple scattering in participating media inside the splash.
 
+Scene thanks to "guismo";
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license.  Downloaded
+from [Blendswap](http://www.blendswap.com/blends/view/56136). Environment
+thanks to [Bernhard Vogl](http://dativ.at/lightprobes/index.html).
+
+(##) Contemporary Bathroom
+
 ![](images/contemporary-bathroom/contemporary-bathroom.png height="200px")
 
 [contemporary-bathroom](contemporary-bathroom): Another contemporary
@@ -184,46 +248,95 @@ noise: specular light transport by the large mirror and the
 very small area light sources surrounded by glass in the light bulbs are
 difficult to render efficiently.
 
+Scene thanks to [Mareck](http://www.studios-cad.fr/galerie.html),
+[CC-Zero](https://creativecommons.org/publicdomain/zero/1.0/) (public
+domain) license.  "contemporary_china" texture used for wallpaper thanks to
+[Adam Charlts](http://subtlepatterns.com/contemporary-china/); texture
+contrast was increased for the render. "American_walnut_pxr128" wood
+texture courtesy [Pixar Animation
+studios](https://community.renderman.pixar.com/article/114/library-pixar-one-twenty-eight.html),
+[CC-BY](https://creativecommons.org/licenses/by/4.0/) license. Abstract
+print seen in mirror based on a smoke photograph by [Vanessa
+Pike-Russell](https://www.flickr.com/photos/lilcrabbygal/),
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license; the photo
+was inverted and contrast was adjusted for rendering.  Hurricane image used
+for photo on wall courtesy [NASA Goddard Space Flight
+Center](https://www.flickr.com/photos/gsfc),
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license.
+
+(##) Crown
+
 ![](images/crown/crown.png height="200px")
 
 [crown](crown): Detailed model of the Austrian Imperial Crown, featuring an
 accurate reflection model for the gold metal surfaces, and many gems that
 refract light passing through them.
 
+This amazing model was created by Martin Lubich (http://www.loramel.net/).
+
+(##) Dragon
+
 ![](images/dragon/f9-3.png height="200px")
 
 [dragon](dragon): A scanned dragon model rendered with many different materials,
 showing off the visual differences between them.
 
+Dragon model courtesy Christian Schüller.  Environment map 
+thanks to [Bernhard Vogl](http://dativ.at/lightprobes/index.html).
+
+(##) Ecosystem
+
 ![](images/ecosys/ecosys.png height="200px")
 
 [ecosys](ecosys): Fairly complex outdoor scene with many plants and trees,
 illuminated by an environment map. This scene was used for the cover image
 for the first edition of _Physically Based Rendering_.
 
+Scene from Deussen et al., [Realistic modeling and rendering of plant
+ecosystems](http://dl.acm.org/citation.cfm?id=280898).
+
+(##) Figures
+
 [figures](figures): A variety of fairly simple scenes used for figures in the book.
 
+(##) Ganesha
+
 ![](images/ganesha/ganesha.png height="200px")
 
 [ganesha](ganesha): Very detailed scan of a small statue with over 4.3
 million triangles, illuminated by a few area light sources.
 
+Model scanned by Wenzel Jakob.
+
+(##) Head
+
 ![](images/head/head.png height="200px")
 
 [head](head): Human head model with a realistic BSSRDF, showing the effect of
 subsurface scattering.
 
+Model thanks to Infinite Realities, Inc.,
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license.  Environment
+map thanks to [USC-ICT light probe image
+gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
+
+(##) Killeroo
+
 ![](images/killeroos/killeroo-gold.png height="200px")
 
 [killeroos](killeroos): The classic "killeroo" model, in a variety of settings.
 
-![view-0](images/landscape/view-0.png height="200px")
+Thanks to [headus](http://www.headus.com/au)/Rezard for the model.
 
-![view-1](images/landscape/view-1.png height="200px")
+(##) Landscape
 
-![view-2](images/landscape/view-2.png height="200px")
+<img src="images/landscape/view-0.png" height="200px">
 
-![view-3](images/landscape/view-3.png height="200px")
+<img src="images/landscape/view-1.png" height="200px">
+
+<img src="images/landscape/view-2.png" height="200px">
+
+<img src="images/landscape/view-3.png" height="200px">
 
 [landscape](landscape): Very complex realistic outdoor landscape scene,
 featuring 23,241 unique plant models.  Thanks to object instancing, the
@@ -232,6 +345,11 @@ though only 24 million triangles need to be stored in memory. `view-0.pbrt`
 is the cover image of the third edition of the _Physically Based Rendering_
 book.
 
+Many thanks to Jan-Walter Schliep, Burak Kahraman, and Timm
+Dapper from [Laubwerk](http://www.laubwerk.com) for this amazing scene.
+
+(##) LTE Orb
+
 ![Rough glass around gold](images/lte-orb/lte-orb-roughglass.png height="200px")
 
 ![Silver around diffuse](images/lte-orb/lte-orb-silver.png height="200px")
@@ -240,91 +358,171 @@ book.
 geometric structure of the shapes involved provides a useful tool for
 visualizing the appearance of various materials.
 
+Thanks to Yasutoshi Mori (@MirageYM) for this model;
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license.
+
+(##) PBRT Book
+
 ![](images/pbrt-book/book.png height="200px")
 
 [pbrt-book](pbrt-book): A realistic model of the second edition of the _Physically
 Based Rendering_ book.
 
+Thanks to Karl Li (@yiningkarlli) for this fun model.
+
+(##) San Miguel
+
 ![](images/sanmiguel/sanmiguel.png height="200px")
 
 [sanmiguel](sanmiguel): A complex model inspired by a hotel in San Miguel de
 Allende, Mexico.
 
-![anim-bluespheres.pbrt](images/simple/anim-bluespheres.png height="200px")
+Thanks to Guillermo M. Leal Llaguno for this excellent scene.
+
+(##) Simple
+
+![](images/simple/anim-bluespheres.png height="200px")
 
 [simple](simple): A variety of relatively simple scenes.
 
+(##) Sportscar
+
 ![](images/sportscar/sportscar.png height="200px")
 
 [sportscar](sportscar): Sportscar model, in a variety of illumination settings,
 showing off the substantial differences in overall visual appearance that
 result.
 
+Excellent model and pbrt conversion courtesy of Yasutoshi Mori (@MirageYM);
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license.  Skylight
+environment maps courtesy Nolan Goodnight.
+
+(##) SSS Dragon
+
 ![](images/sssdragon/dragon_10.png height="200px")
 
 [sssdragon](sssdragon): Dragon model rendered with subsurface scattering,
 where multiple scene description files show the visual effect of changing
 the density of the scattering medium.
 
+Dragon model courtesy [Stanford Computer Graphics
+Laboratory](http://graphics.stanford.edu/data/3Dscanrep/).  Environment map
+thanks to [Bernhard Vogl](http://dativ.at/lightprobes/index.html).
+
+(##) StructureSynth
+
 ![](images/structuresynth/arcsphere.png height="200px")
 
 [structuresynth](structuresynth): A few interesting procedural scenes scenes converted
 from [Structure Synth](http://structuresynth.sourceforge.net) into
 `pbrt`'s format.
 
-![frame888](images/transparent-machines/frame888.png height="200px")
+Environment map thanks to [USC-ICT light probe image
+gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
 
-![frame542](images/transparent-machines/frame542.png height="200px")
+(##) Transparent Machines
+
+<img src="images/transparent-machines/frame888.png" height="200px">
+
+<img src="images/transparent-machines/frame542.png" height="200px">
 
 [transparent-machines](transparent-machines): A variety of highly detailed
 glass shapes illuminated by skylight. For good results, upwards of 64 ray
 bounces are required.
 
+Models from frames of [@beeple](http://beeple-crap.com)'s amazing
+[Transparent Machines
+video](https://vimeo.com/78716671). [License]((http://beeple-crap.com/resources.php):
+"These files are available under a sort of "open source" concept. They are
+intended for educational use but really can be used for whatever the fuck
+you want. You don't need to credit me for whatever commercial or
+non-commercial use you make of them, but if you could shout me a holla with
+any project that do come from them, I'd love to see it :)"
+
+(##) TT Car
+
 ![](images/tt/tt.png height="200px")
 
 [tt](tt): Audi TT car model.
 
+Thanks for Marko Dabrovic and Mihovil Odak for the car model.  Environment
+map thanks to [USC-ICT light probe image
+gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
+
+(##) Veach Bidir
+
 ![](images/veach-bidir/bidir.png height="200px")
 
 [veach-bidir](veach-bidir): A version of a classic scene with a variety of complex
 types of light transport developed by Eric Veach to show the value of
 bidirectional path tracing.
 
+(##) Veach MIS
+
 ![](images/veach-mis/f14-13-mi.png height="200px")
 
 [veach-mis](veach-mis): Another scene based on one by Eric Veach, this one showing
 off the benefit of multiple importance sampling when rendering surfaces
 of varying glossiness illuminated by light sources of various sizes.
 
+(##) Villa
+
 ![](images/villa/villa-daylight.png height="200px")
 
 [villa](villa): Modern indoor environment. The `villa-daylight.pbrt` version is
 particularly tricky to render, as all of the indoor lighting comes via
 specular paths from the outside through the windows.
 
+Many thanks to Florent Boyer for this scene.  Skylight environment
+map courtesy Nolan Goodnight.
+
+(##) VW Van
+
 ![](images/vw-van/vw-van.png height="200px")
 
 [vw-van](vw-van): Volkswagen Van, illuminated by a HDR environment map.
 
+Model courtesy of
+[Greyscalegorilla](https://greyscalegorilla.com/gsg-free-model-pack-for-cinema-4d/),
+exported from Cinema4D using the [Cinema4D pbrt
+exporter](https://github.com/mmp/pbrt-v3/tree/master/exporters/cinema4d).
+
+(##) Volume Caustic
+
 ![](images/volume-caustic/caustic.png height="200px")
 
 [volume-caustic](volume-caustic): A glass sphere in participating media, showing off a
 volumetric caustic--light being focused in the scattering medium after
 passing through the sphere.
 
-![Whiteroom daytime](images/white-room/whiteroom-daytime.png height="200px")
+(##) White Room
 
-![Whiteroom night](images/white-room/whiteroom-night.png height="200px")
+<img src="images/white-room/whiteroom-daytime.png" height="200px">
+
+<img src="images/white-room/whiteroom-night.png" height="200px">
 
 [white-room](white-room): Interior scene, with two illumination
 configurations. The daytime variant is primarily illuminated by light
 coming through the windows from the outdoors, while the nighttime version
 is illuminated by the two lights in the scene.
 
+Scene thanks to Jay Hardy,
+[CC-BY](https://creativecommons.org/licenses/by/2.0/) license. Downloaded
+from [Blendswap](http://www.blendswap.com/blends/view/41683).
+
+(##) Yeah Right
+
 ![](images/yeahright/yeahright.png height="200px")
 
 [yeahright](yeahright): An unusual and intricate form on a glossy plate.
 
+"Interesting" shape generated by [Keenan
+Crane](http://www.cs.cmu.edu/~kmcrane/Projects/ModelRepository/).
+Environment map thanks to [USC-ICT light probe image
+gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
+
+(##) WIP
+
 [wip](wip): This directory has a few scenes that aren't quite ready;
 renderings don't yet look great, parameters need tuning, etc. We'll try
 to get to this eventually, or if you're able to get them in good shape,
@@ -508,122 +706,4 @@ pull request. There are a few options.
   feel free to create a zip or tar file with a new scene and send us a
   pointer to it; we can take it from there.
 
-# Scene Credits
-
-* barcelona-pavilion: Thanks to [Hamza Cheggour](http://www.emirage.org),
-  who created this [great
-  model](http://www.emirage.org/2013/04/24/free-download-archviz-project-pabellon-barcelona-3d-scene-v1-2-updated/)
-  and made it available via a CC-BY license.
-
-* bathroom: Thanks to "nacimus", CC-BY license. Downloaded from
-  [Blendswap](http://www.blendswap.com/blends/view/73937).
-
-* bmw-m6: Thanks to Fred C. M'ule Jr. ("tyrant monkey" on BlendSwap) for
-  this nice car model. CC-Zero (public domain) license. Downloaded from
-  [Blendswap](http://www.blendswap.com/blends/view/3557).
-
-* breakfast: Thanks to "Wig42", CC-BY license. Downloaded from
-  [Blendswap](http://www.blendswap.com/blends/view/75431).
-
-* buddha-fractal: Thanks for Guillermo M. Leal Llaguno for this fun variant
-  of the Stanford Buddha model. (Buddha model courtesy [Stanford Computer
-  Graphics Laboratory](http://graphics.stanford.edu/data/3Dscanrep/)).
-
-* bunny-fur: Bunny model courtesy [Stanford Computer Graphics
-  Laboratory](http://graphics.stanford.edu/data/3Dscanrep/).  Environment map
-  via http://dativ.at/lightprobes/index.html, thanks to Bernhard Vogl.
-
-* caustic-glass: Thanks to Simon Wendsche (https://byob.carbonmade.com/) for
-  the model.
-
-* chopper-titan: Thanks to julioras3d for this model; CC-BY
-  license. Downloaded from
-  [Blendswap](http://www.blendswap.com/blends/view/67726).
-
-* cloud: Smoke dataset courtesy Duc Nguyen and Ron Fedkiw.  Skylight
-  environment map courtesy Nolan Goodnight.
-
-* coffee-splash: Scene thanks to "guismo"; CC-BY license.  Downloaded from
-  [Blendswap](http://www.blendswap.com/blends/view/56136). Environment map
-  via http://dativ.at/lightprobes/index.html, thanks to Bernhard Vogl.
-
-* contemporary-bathroom: Scene thanks to
-  [Mareck](http://www.studios-cad.fr/galerie.html), CC-Zero (public domain)
-  license.  "contemporary_china" texture used for wallpaper thanks to [Adam
-  Charlts](http://subtlepatterns.com/contemporary-china/); texture contrast
-  was increased for the render. "American_walnut_pxr128" wood texture
-  courtesy [Pixar Animation
-  studios](https://community.renderman.pixar.com/article/114/library-pixar-one-twenty-eight.html),
-  CC-BY 4.0 license. Abstract print seen in mirror based on a smoke
-  photograph by [Vanessa
-  Pike-Russell](https://www.flickr.com/photos/lilcrabbygal/), CC-BY
-  license; the photo was inverted and contrast was adjusted for rendering.
-  Hurricane image used for photo on wall courtesy [NASA Goddard Space
-  Flight Center](https://www.flickr.com/photos/gsfc), CC-BY license.
-  
-* crown: This amazing model was created by Martin Lubich
-  (http://www.loramel.net/).
-
-* dragon: Dragon model courtesy Christian Schüller.  Environment map via
-  http://dativ.at/lightprobes/index.html, thanks to Bernhard Vogl.
-
-* ecosys: Scene from Deussen et al., [Realistic modeling and rendering of
-  plant ecosystems](http://dl.acm.org/citation.cfm?id=280898).
-
-* ganesha: Model scanned by Wenzel Jakob.
-
-* head: Model thanks to Infinite Realities, Inc., CC-BY license.
-  Environment map thanks to [USC-ICT light probe image gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
-
-* killeroos: Thanks to [headus](http://www.headus.com/au)/Rezard for the
-  model.
-
-* landscape: Many thanks to Jan-Walter Schliep, Burak Kahraman, and Timm
-  Dapper from [Laubwerk](http://www.laubwerk.com) for this amazing scene.
-
-* lte-orb: Thanks to Yasutoshi Mori (@MirageYM) for this model; CC-BY
-  license.
-
-* pbrt-book: Thanks to Karl Li (@yiningkarlli) for this fun model.
-
-* sanmiguel: Thanks to Guillermo M. Leal Llaguno for this excellent scene.
-
-* sportscar: Excellent model and pbrt conversion courtesy of Yasutoshi
-  Mori (@MirageYM); CC-BY license.  Skylight environment maps courtesy Nolan
-  Goodnight.
-
-* sssdragon: Dragon model courtesy [Stanford Computer Graphics
-  Laboratory](http://graphics.stanford.edu/data/3Dscanrep/).  Environment map
-  via http://dativ.at/lightprobes/index.html, thanks to Bernhard Vogl.
-
-* structuresynth: Environment map thanks to [USC-ICT light probe image gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
-
-* tt: Thanks for Marko Dabrovic and Mihovil Odak for the car model.
-  Environment map thanks to [USC-ICT light probe image gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
-
-* transparent-machines: Models from frames of
-  [@beeple](http://beeple-crap.com)'s amazing [Transparent Machines
-  video](https://vimeo.com/78716671). [License]((http://beeple-crap.com/resources.php):
-  "These files are available under a sort of "open source" concept. They
-  are intended for educational use but really can be used for whatever the
-  fuck you want. You don't need to credit me for whatever commercial or
-  non-commercial use you make of them, but if you could shout me a holla
-  with any project that do come from them, I'd love to see it :)"
-
-* villa: Many thanks to Florent Boyer for this scene.  Skylight environment
-  map courtesy Nolan Goodnight.
-
-* vw-van: Model courtesy of
-  [Greyscalegorilla](https://greyscalegorilla.com/gsg-free-model-pack-for-cinema-4d/),
-  exported from Cinema4D using the [Cinema4D pbrt
-  exporter](https://github.com/mmp/pbrt-v3/tree/master/exporters/cinema4d).
-
-* white-room: Scene thanks to Jay Hardy, CC-BY
-  license. Downloaded from [Blendswap](http://www.blendswap.com/blends/view/41683).
-
-* yeahright: "Interesting" shape generated by Keenan Crane
-  (http://www.cs.cmu.edu/~kmcrane/Projects/ModelRepository/).  Environment
-  map thanks to [USC-ICT light probe image
-  gallery](http://gl.ict.usc.edu/Data/HighResProbes/).
-
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