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I'm having difficulty getting a translucent / SSS type effect for a wax material (for a candle). Any thoughts? I've read the documentation and seen examples done in Blender, but the Luxus materials interface does not seem to offer the same parameters. Any adsice gratefully received.
As you were, I've just spotted a silly mistake I was making and am now getting close to what I wanted!
I've had the following issue with Luxus:
whenever I have a scene with hair, luxus will load LuxRender but then the PC get stack completely (no mouse movements, no response at all). The only way to get out of this is to reset the PC with the hardware button. This happens always. If Luxus cannot handle hair from Carrara, maybe rendering should be prevented, showing some message.
Do you mean Carrara dynamic hair, or transmapped hair models? The latter is effectively the same as any other model and therefore could not be differentiated, so I am assuming you mean Carrara dynamic hair. Luxus / Luxrender doesn't handle this, and so should just be ignored, not crash your PC. I have tried and everything else just got passed to Luxrender except the hair.
If you are still having issues, just delete the hair before rendering as it won't b sent across anyway. (Yet - I'm still hoping that it will be handled in future updates, but this requires a hair type in Luxrender).
Hi, I'm having a transparency map issue with Luxus. I've set up a V4 with an SSS material using a mix material (glossy and scatter) and an interior homogenous absorption on her skin. When I render it, the lashes appear with the supposedly invisible areas visible. I've switched the lashes to a lux material using a material mix (glossy and null) with the inversed transmap as the mixer, but the result is the same. Is anyone else having this problem, and how do I fix it?
Thanks!
Do you mean Carrara dynamic hair, or transmapped hair models? The latter is effectively the same as any other model and therefore could not be differentiated, so I am assuming you mean Carrara dynamic hair. Luxus / Luxrender doesn't handle this, and so should just be ignored, not crash your PC. I have tried and everything else just got passed to Luxrender except the hair.
If you are still having issues, just delete the hair before rendering as it won't b sent across anyway. (Yet - I'm still hoping that it will be handled in future updates, but this requires a hair type in Luxrender).
The issue is with Carrara dynamic hair. I think Luxus should check if Carrara hair is present in the scene, and if so, prevent the render, showing a message instead.
Excuse me guys: IES files question
I am trying to assign an IES file to infiniti lux lightbut it is not doing anything, I tried with the projrction lux light but no render occurred at all.
Should I do something after assigning the ies file? any trick that I am missing
I think that Lux treats each polygon like a light, so to get a reasonable ies profile, just use a single small plane with a single polygon. I have used this to get some nice looking light profiles.
The issue is with Carrara dynamic hair. I think Luxus should check if Carrara hair is present in the scene, and if so, prevent the render, showing a message instead.
I have rendered Lux images which had Carrara hair in the original and it just ignored the hair and rendered everything else - I think this is what should happen. Clearly you shouldn't be getting the crashing issues.
PhilW
Thanks mate but as you know that IES files replicates what certain lights are doing like beam lights or washers.
So should I understand that IES lights could not be used with Luxrender?
PhilW
Thanks mate but as you know that IES files replicates what certain lights are doing like beam lights or washers.
So should I understand that IES lights could not be used with Luxrender?
IES files / lights can absolutely be used with Luxrender! Sorry I was not clearer, you need to add a Lux AreaLight material to a 1-poly plane, and this has a field to add an Ies file. You can also set the power and colour to suit. I have included an example below.
I think the issue comes if you apply this shader to a sphere or other shape with lots of polys - each one will apply the ies profile, and you end up with just a wash of light.
PhilW
Great man, thank you, I'll try it soon, I am happy I have a freind like you.
Question No 1.
Is the render from Lux exactly the same size as a Carrara render.
I've been umming and arring about getting this.But the main drawback is the lack of hair support,as I use hair in most everything I do.
But I , like Blackadder, have a cunning plan. What if I render the hair via multipass, then just comp it on later. I guess the frames dont have to be exact for it to fit but it would help.As long as the cam focal length does not change.
I'm sculpting some kind of vinyl toy at the moment....with no hair, so maybe I will jump in anyway,shame I keep missing the 30% offs!
You define the render size and camera focal length used by Luxus (and then Luxrender) in exactly the same way as a Carrara native render. At present however, the field of view differs between the two - this has been raised and the developer has found a fix and promised this in the next update.
Perhaps a bigger issue is that Carrara Hair is not handled properly by the multipass renderer. Also there would be no shadow from the hair in the Luxrender output. I've had the same thought myself but have yet to try it - probably wait now until the field of view issue is fixed. But it should be possible to comp together a normal Carrara render and a Luxrender with good results.
I am loving the render quality from Lux, everything seems so much more "real", even when using transmapped hair. There are quite a few examples on my Renderosity Gallery if you want to take a look. Interiors look particularly better than their Carrara equivalents in my view.
I just did a quick and dirty test. So obviously not definitive.
I rendered a ball with a bit of hair on it. Then I rendered the ball with no hair. ( both with Carrara renderer.if you want to try this you can render the ball with Lux. In the multipass for the hair ball I just ticked Shadow, Volume Primitive and Volume Effect and I also renderered the Alpha Channel. I then comped the result onto the bare ball and it looked pretty much the same complete with shadow.( certainly good enough for my purposes:) )
When you say it does not handle the hair properly,what is not right about it, it seems ok. I think a lot depends on the layer blending modes also. I dont pretend to understand them but I just cycle thru them till I hit one that looks ok.
I remember on a picture I made of the Bride of Frankenstein, I rendered the hair seperately and it I thought at the time it did look slightly different than the raw render.But it did actually look better in this case so that was a result!
Maybe I will get Lux when I have finished modelling my simple toy.(hairless!) Then I can have a play.
I will sign up to Renderosity and have a gander,thanks!
If you have found something that works then go with it! I think maybe you can't separate things like the diffuse and specular which you can with normal objects and also that the hair does not show in the Depth pass, which is a pain. I haven't looked at this area for a while.
I don't think you will regret getting Luxus for Carrara!
Oops,it appears Im already in Rendo,but just forgot....Nice renders .
Just been sent a 6$ voucher from Daz cos they sold a bucket load of some figure .Maybe that 6$ could go towards Lux.
Yeah The Depth pass thing was a bit annoying.. I tend not to fret anymore, and just use the blur tool in photoshop. Like you say if it works for you.
Question 2.
Does Lux do Depth of Field, the Carrara one takes forever if you want it any good. Thats why I "waft" the blur tool over stuff.
I think I will head over to the store clutching my 6$ voucher in my hot sticky hand!
Depth of field is another thing that isn't there yet but has been promised (I think!) for a future release.
Thanks.
Dammit, to get 6$ off I have to spend over 30$, Lux is $29.98......I need to buy something for 3 cents!!!
I know what you are thinking...what a skinflint. Just watching the pennies these days.
LOL!
Pokeaway ? http://www.daz3d.com/catalogsearch/result/?q=poke-away!
Excellent! Any advance on Poke-away! ( whatever that is!) I guess that'll save me 5$ ,whats that in £ s
Well I guess th only other option is to buy a gift card and the redeem it, so you will have the change in store credit for another time, but I don't think gift cards qualify for this sort of offer.
Good call chohole, got it for 25$
Not looked at it yet. Think I need to go to the threads that tell you what to do .I think I need the actual "luxrender" first.
Should I run it in the current beta or C8.1, or both, any recomendations. I will immerse myself in this tomorrow.
I've just been using 8.5 and it seems to work fine.
Thanks. I clicked on the install icon thingy and it automatically went into 8.5 for whatever reason.I seem to remember reading about having to put files into folders manually .Was this for the beta versions.Anyway seems to be up and running.
The manual installation was during the beta.
Howdy!
Finally have some time to play with this. Read the manual and it mentions: Luxus adds the LuxRender ligts
Infinite, Projection, Sky2, Sun, and SunSky2.
Where can i find these or how do i add them to the scene?
Is there a more extended manual available?
Thanks,
Elele.
PS: is the past tense of "to read" also "read". Always wondered about that :D
PPS: seems there's a typo in the read me... "ligts"
The extra light types can be added from the Insert menu - or even add a different light and then change the light type to one of the Lux ones.