CGI tech news box

General project and community related discussions and offtopic threads.
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Mango3
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Joined: Sun Oct 28, 2018 7:09 pm

Re: CGI tech news box

Post by Mango3 » Tue Aug 13, 2019 9:46 am

happyboy wrote:
Tue Aug 13, 2019 2:02 am
Dade wrote:
Sun Aug 11, 2019 10:54 am
This is, hand down, the best stuff out of SIGGRAPH 2019: "Path Guiding in Production" (https://jo.dreggn.org/path-tracing-in-p ... index.html)
Having the author's implementation based on a well-known codebase (Mitsuba) is great, and I'm really looking forward to see it implemented in LuxCore :)
One word of caution though if anyone wants to implement it in LuxCore. You cannot reuse or copy parts of the source code.
The original implementation from Thomas Müller for Mitsuba and Mitsuba itself are licensed under GPLv3 while LuxCore is Apache v2.0 licensed.

I quote from the Mistuba homepage:
Remark: Being a "viral" license, the GPL automatically applies to all derivative work. Amongst other things, this means that without express permission, Mitsuba's source code is off-limits to those who develop rendering software not distributed under a compatible license.
Apache states: "GPLv3 software cannot be included in Apache projects. The licenses are incompatible".

We had these discussions in appleseed and our implementation (a running GSoC project) does not reuse Mitsuba code but is a unique implementation of the algorithms from the research papers.

happyboy
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Re: CGI tech news box

Post by happyboy » Tue Aug 13, 2019 1:38 pm

Mango3 wrote:
Tue Aug 13, 2019 9:46 am
We had these discussions in appleseed and our implementation (a running GSoC project) does not reuse Mitsuba code but is a unique implementation of the algorithms from the research papers.
Haha, actually I wanted to ask you about this on appleseed forum but I was just too lazy to register... Thanks for clafying!! Still, author's code is great for comparing result (and intermediate result).

BTW: I've been watching the development for several weeks. Once it's completed, I'll definitely give it a try (the current version of appleseed is too slow for our use case)

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Sharlybg
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Re: CGI tech news box

Post by Sharlybg » Sat Aug 17, 2019 4:00 pm

Dade wrote:
Sun Aug 11, 2019 10:54 am
This is, hand down, the best stuff out of SIGGRAPH 2019: "Path Guiding in Production" (https://jo.dreggn.org/path-tracing-in-p ... index.html)
This path guiding + Vertex merging will open a wide window of possibility for jewellery and complexe lighting animation shots. for me this have priority over Shading rework. ;)
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