Suggestion for luxcore material library / preset

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Dade
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Re: Suggestion for luxcore material library / preset

Post by Dade » Mon Feb 04, 2019 4:01 pm

FarbigeWelt wrote:
Mon Feb 04, 2019 3:58 pm
B.Y.O.B. wrote:
Mon Feb 04, 2019 3:33 pm
Also procedurals are slower than imagemaps and kill GPUs (kernel compiling and rendering speed). But they use less RAM.
Instead of calculating them on a GPU would it be possible to render them in a definable resolution first and export them as kind of texture?
Yes, you could bake them however there would be a problem with wrapping/repeating without a discontinuity.
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Re: Suggestion for luxcore material library / preset

Post by lacilaci » Mon Feb 04, 2019 4:17 pm

Dade wrote:
Mon Feb 04, 2019 4:01 pm
FarbigeWelt wrote:
Mon Feb 04, 2019 3:58 pm
B.Y.O.B. wrote:
Mon Feb 04, 2019 3:33 pm
Also procedurals are slower than imagemaps and kill GPUs (kernel compiling and rendering speed). But they use less RAM.
Instead of calculating them on a GPU would it be possible to render them in a definable resolution first and export them as kind of texture?
Yes, you could bake them however there would be a problem with wrapping/repeating without a discontinuity.
triplanar mapping + blending. This is an important feature for textures as well. But I'm not advocating for procedurals (Maybe, dirt masking and dust and so on... useful procedural masks + triplanar mapped textures + bevel shader can greatly speed up a lot of things)

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Re: Suggestion for luxcore material library / preset

Post by FarbigeWelt » Mon Feb 04, 2019 4:50 pm

tayo6 wrote:
Mon Feb 04, 2019 2:14 pm
Maybe members should have gotten to a certain level on luxcore forum before they are allowed to post libraries or materials
I think this is does not support people‘s ideas, or helping them with current challanges.

In my opinion, steady feedback and constructive reviews pointing in a direction to a possible solution, is a friendlier, more open way.
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Re: Suggestion for luxcore material library / preset

Post by tayo6 » Mon Feb 04, 2019 4:58 pm

It doesn't have to necessarily be texture maps plug into nodes. It could be just plain nodes connected together to make say nebula or cloud with volumetric. Reason why I referred to https://www.blendswap.com/blends/view/13398 or http://www.luxrender.net/lrmdb2/en/material/view/69 , they might be simple to you but trust, exploring how the nodes are connected can serve as tutorial.

Plus, for textures, luxcore can use textures from texturehaven.com, the textures are both 8k and 16k, and they are 100% free, including all necessary maps. The administrator updates his page atleast twice a month. So, Instead of making textures, the ones from https://texturehaven.com can be used for now.

N.B: I'm still new with render engines, forgive me if I don't get some of the terminologies in your comments

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Re: Suggestion for luxcore material library / preset

Post by tayo6 » Mon Feb 04, 2019 5:10 pm

FarbigeWelt wrote:
Mon Feb 04, 2019 4:50 pm
tayo6 wrote:
Mon Feb 04, 2019 2:14 pm
Maybe members should have gotten to a certain level on luxcore forum before they are allowed to post libraries or materials
I think this is does not support people‘s ideas, or helping them with current challanges.

In my opinion, steady feedback and constructive reviews pointing in a direction to a possible solution, is a friendlier, more open way.
I very much want people to have their work corrected, i just hope that material libraries that would be post on here should be handled by people who truly know what they are doing. Like I previously said, looking at the node setup might turn out to be tutorial for those exploring how the nodes are connected. I did explore how people connected nodes in cycles render and i dislike moments when I saw nodes connection that didn't make any sense

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Re: Suggestion for luxcore material library / preset

Post by Sharlybg » Mon Feb 04, 2019 6:41 pm

A starting solution could be for you the free example scene on the Download page.
The food scene cover a lot of diferent kind of shader from simple to complexe textured model. You can grab it on the download page.
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Dade
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Re: Suggestion for luxcore material library / preset

Post by Dade » Mon Feb 04, 2019 10:32 pm

BTW, about procedural textures, there is this amazing paper I posted sometime ago: https://eheitzresearch.wordpress.com/722-2/

If only I had the time to explore the idea :roll:
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Re: Suggestion for luxcore material library / preset

Post by B.Y.O.B. » Mon Feb 04, 2019 10:53 pm

Dade wrote:
Mon Feb 04, 2019 10:32 pm
BTW, about procedural textures, there is this amazing paper I posted sometime ago: https://eheitzresearch.wordpress.com/722-2/
I also found it very interesting. But I wonder about one thing: usually you want not only one texture in a material, but multiple (diffuse/normal/specular for example). Can this idea be implemented in such a way that it randomizes those multiple textures with the same distribution? Also, will it work with normalmaps?
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Re: Suggestion for luxcore material library / preset

Post by FarbigeWelt » Tue Feb 05, 2019 7:49 am

Dade wrote:
Mon Feb 04, 2019 10:32 pm
BTW, about procedural textures, there is this amazing paper I posted sometime ago: https://eheitzresearch.wordpress.com/722-2/

If only I had the time to explore the idea :roll:
Very interesting! Key factor word here: stochastic. The input map of the algorithm in the linked has to contain a well distributed stochastic pattern. The author lists some examples. Patterns with contrasted lines like bricks or marmor would not work well.
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Re: Suggestion for luxcore material library / preset

Post by FarbigeWelt » Tue Feb 05, 2019 8:28 am

tayo6 wrote:
Mon Feb 04, 2019 5:10 pm
I very much want people to have their work corrected, i just hope that material libraries that would be post on here should be handled by people who truly know what they are doing.

Code: Select all

Off topic and generic question:
One can always want anything, this is for free and for anybody. 
Talking about will. What are you willing to do for favour? 
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