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sldstt, Matt Pharr2

Nov 23

Yes, unfortunately we have not yet gotten through the work to get the extended version of the book

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Yes, unfortunately we have not yet gotten through the work to get the extended version of the book

Nov 23

Anshul Singhvi, Matt Pharr2

Aug 9

Texture interpolation in pbrt

https://www.pbrt.org/fileformat-v4#textures -> "string filter" "point" Matt On

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Texture interpolation in pbrt

https://www.pbrt.org/fileformat-v4#textures -> "string filter" "point" Matt On

Aug 9

Mar 25

PBRv3: Struggling with confusion of the importance function of perspective camera

Hey all, I really love this book and trying to digest most parts of it. Thanks for this masterpiece.

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PBRv3: Struggling with confusion of the importance function of perspective camera

Hey all, I really love this book and trying to digest most parts of it. Thanks for this masterpiece.

Mar 25

Mar 13

Hi There is exercise to change gpu for ispc at the end of GPU chapter. Question is: Is it worth doing

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Hi There is exercise to change gpu for ispc at the end of GPU chapter. Question is: Is it worth doing

Mar 13

Jan 29

Using medium interface

Hi, I have been using pbrt lately for simulating optical systems which contain a sequence of lenses

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Using medium interface

Hi, I have been using pbrt lately for simulating optical systems which contain a sequence of lenses

Jan 29

Aksel, … Matt Pharr4

Jan 22

Multispectral Imaging

pbrt-v4 is not only spectral by default, but that's now the only option for the light transport

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Multispectral Imaging

pbrt-v4 is not only spectral by default, but that's now the only option for the light transport

Jan 22

12/24/23

Error in 3.3.3 Coordinate System from a Vector

Shoud be: here is the proof process: $$ \begin{aligned} |v| &=\left| \left( 1 - \frac{x^2}{1 + z}

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Error in 3.3.3 Coordinate System from a Vector

Shoud be: here is the proof process: $$ \begin{aligned} |v| &=\left| \left( 1 - \frac{x^2}{1 + z}

12/24/23

Matt Pharr, … Jan Walter3

11/5/23

4th edition now available online

Hey Matt, Greg, Pat, and Wenzel, Thank you so much! I do not know any other programming/rendering

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4th edition now available online

Hey Matt, Greg, Pat, and Wenzel, Thank you so much! I do not know any other programming/rendering

11/5/23

9/25/23

"Specularity" to "eta"

Hi, I have a model which contains a "specularity" and "roughness" map. I would

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"Specularity" to "eta"

Hi, I have a model which contains a "specularity" and "roughness" map. I would

9/25/23

jan...@google.com, Matt Pharr2

9/3/23

Question about realistic camera

On Aug 20, 2023, at 8:37 AM, 'jan...@google.com' via pbrt <pb...@googlegroups.com> wrote

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Question about realistic camera

On Aug 20, 2023, at 8:37 AM, 'jan...@google.com' via pbrt <pb...@googlegroups.com> wrote

9/3/23

janx, Matt Pharr2

9/3/23

check failed issue

(That is a strange stack trace; it is likely incorrect.) There is most likely a bug in pbrt somewhere

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check failed issue

(That is a strange stack trace; it is likely incorrect.) There is most likely a bug in pbrt somewhere

9/3/23

8/21/23

Getting Projection Lights to work in v4

Hi -- We're working on adding modeling for modern (eg matrix & pixel, etc.) vehicle headlamps

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Getting Projection Lights to work in v4

Hi -- We're working on adding modeling for modern (eg matrix & pixel, etc.) vehicle headlamps

8/21/23

8/21/23

How to use projection lights in pbrt v4?

Hi -- We're working to add headlight/headlamp simulation to our ISET tools (Stanford Image

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How to use projection lights in pbrt v4?

Hi -- We're working to add headlight/headlamp simulation to our ISET tools (Stanford Image

8/21/23

7/31/23

Questions on Volume emission

Hello, I am reading free chapters from pbrt-v4 and also the "null-scattering" paper

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Questions on Volume emission

Hello, I am reading free chapters from pbrt-v4 and also the "null-scattering" paper

7/31/23

sldstt, Matt Pharr4

7/11/23

Subsurface Scatter Question

update: looks like using "skin1" or "skin2" I can get some visible SSS effects.

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Subsurface Scatter Question

update: looks like using "skin1" or "skin2" I can get some visible SSS effects.

7/11/23

Jan Walter, Matt Pharr2

7/5/23

scenes-v3: orthographic projection vs. perspective projection

I'm not able to find that scene (and many of the scenes used for figures aren't checked into

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scenes-v3: orthographic projection vs. perspective projection

I'm not able to find that scene (and many of the scenes used for figures aren't checked into

7/5/23

1/28/23

Re: Question on bump mapping

The second term is adding a scaled version of the surface normal to the geometric dpdu to get the

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Re: Question on bump mapping

The second term is adding a scaled version of the surface normal to the geometric dpdu to get the

1/28/23

Kevin Zhang, Matt Pharr2

1/28/23

Question on Interpreting Exercise 2 from Chapter 2 (Geometry and Transformations)

That's a good question. Arguably that's not a great exercise, in that, as you've

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Question on Interpreting Exercise 2 from Chapter 2 (Geometry and Transformations)

That's a good question. Arguably that's not a great exercise, in that, as you've

1/28/23

sldstt, Matt Pharr4

1/28/23

NSpectrumSamples=1 causes unit test fails

Increasing spp fixed it for me, so I can't say! In any case, I've pushed a fix—the tests

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NSpectrumSamples=1 causes unit test fails

Increasing spp fixed it for me, so I can't say! In any case, I've pushed a fix—the tests

1/28/23

august vctjuh, Matt Pharr2

1/3/23

Unable to load geometry from the example scenes (pbrt v3)

“Works for me”. Most likely the scenes download was somehow corrupted. If you still have issues, can

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Unable to load geometry from the example scenes (pbrt v3)

“Works for me”. Most likely the scenes download was somehow corrupted. If you still have issues, can

1/3/23

12/22/22

Some news about the 4th edition

I'm happy to report that the book's final pages are in the hands of the printer and we have a

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Some news about the 4th edition

I'm happy to report that the book's final pages are in the hands of the printer and we have a

12/22/22

S L, Matt Pharr2

12/8/22

NanoVDB indexed space sigma_a /sigma_s

On Nov 28, 2022, at 11:46 PM, SL <tao...@gmail.com> wrote: Hello, We know pbrt-v4 is using

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NanoVDB indexed space sigma_a /sigma_s

On Nov 28, 2022, at 11:46 PM, SL <tao...@gmail.com> wrote: Hello, We know pbrt-v4 is using

12/8/22

Curtis Johnson, Matt Pharr3

11/21/22

Understanding the pbrt input file for particpating media

Hi Matt, Thanks for the explanation. I will have a go at changing this. I've been running into

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Understanding the pbrt input file for particpating media

Hi Matt, Thanks for the explanation. I will have a go at changing this. I've been running into

11/21/22

Curtis Johnson, Matt Pharr2

11/15/22

Spectral renderer crashing on GPU

If the renderer crashes, it's definitely a bug! Could you file a repro case in a bug report? I

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Spectral renderer crashing on GPU

If the renderer crashes, it's definitely a bug! Could you file a repro case in a bug report? I

11/15/22

Dror Weisman, … Zhenyi Liu5

9/20/22

Purchasing PBRT scenes

Thanks for responding, I tried using Evermotion files (the free files they have on their website),

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Purchasing PBRT scenes

Thanks for responding, I tried using Evermotion files (the free files they have on their website),

9/20/22

Mekides Assefa Abebe

8/16/22

Rendering DigitalEmily ( https://github.com/hpd/DigitalEmily) with pbrt error

Hello Everyone, I was trying to render one of the pbrt maya face (https://github.com/hpd/DigitalEmily

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Rendering DigitalEmily ( https://github.com/hpd/DigitalEmily) with pbrt error

Hello Everyone, I was trying to render one of the pbrt maya face (https://github.com/hpd/DigitalEmily

8/16/22

7/7/22

Timeline for the 4th edition of the Physically Based Rendering book

An update: we are now in the thick of the production process with MIT Press (copyediting, fixing up

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Timeline for the 4th edition of the Physically Based Rendering book

An update: we are now in the thick of the production process with MIT Press (copyediting, fixing up

7/7/22

Bill Katz, … Jeff _6

7/3/22

Status on online version of pbrt-v4 book?

Hello, is there any update about the new version of the book ? Thanks ! Le mercredi 4 mai 2022 à 00:

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Status on online version of pbrt-v4 book?

Hello, is there any update about the new version of the book ? Thanks ! Le mercredi 4 mai 2022 à 00:

7/3/22

TheOwlforge, … dcy6653

6/1/22

Integrator design in v3 vs. v4

Read your post. Good work overall, frustrating I am certain, as in: glad you had to do it, and not

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Integrator design in v3 vs. v4

Read your post. Good work overall, frustrating I am certain, as in: glad you had to do it, and not

6/1/22

5/19/22

How to do isometric projection ?

Hello, The video game X-Com and OpenXcom uses isometric projection. Others and me I have partially

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How to do isometric projection ?

Hello, The video game X-Com and OpenXcom uses isometric projection. Others and me I have partially

5/19/22

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