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Vue F.A.Q (Last Updated: 2025 Jan 24 7:34 pm)





 


Subject: 2 Precise questions on Vue 4 features

YL opened this issue on Nov 22, 2002 ยท 10 posts
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YL ( ) posted Fri, 22 November 2002 at 7:03 AM ยท edited Sun, 05 January 2025 at 11:49 AM

It will be soon christmas, I'm considering to buy Vue4.1 version, but I was studying before the characteristics of this version. On e-on site, it is said, among lot of other features : - "Two new types of lights: quadratic point light and quadratic spot light (for more local lighting effects)." What does it mean exactly ? It seems not to be a kind of volumetric light - "Luminous and glowing materials. " Does it mean you can use object to illuminate a scene (so you can do HDRI experiments ?) As it seems there is no real volumetric light, I examine carefully all the possibilities I could use with this version. And I'm particularly interested by the light new features. Thanks for help, ;=) Yves

gebe ( ) posted Fri, 22 November 2002 at 7:05 AM

I will post some samples Yves, just a moment:-)

gebe ( ) posted Fri, 22 November 2002 at 7:23 AM

file_32589.jpg

First sample: A completely black atmosphere, no sun, no light at all. Left a normal object, right the same with glow on. This is just a sample, you can do lots of things with it ( see my tutorial "glow" to use it for high effects on the water).

gebe ( ) posted Fri, 22 November 2002 at 7:25 AM

But glowing objects doesn't emit light (in the way to light some other object). You can fake this effect with a spotlight.

gebe ( ) posted Fri, 22 November 2002 at 7:49 AM

file_32590.jpg

Second example: ALL lights can be made volumetric in Vue 4: spots, directional, sun, point, ALL! These are just a few samples, yu can do much more:-)

gebe ( ) posted Fri, 22 November 2002 at 7:50 AM

file_32591.jpg

YL ( ) posted Fri, 22 November 2002 at 11:09 AM

It seems that "Luminous and glowing materials. " is just a feature which create a halo around an object. Interesting. If I understand, quadratic lights give more controls ont the emitted light. May be very powerful ;=) What you call "volumetric lights" are not "lights which have a volume" and which could create natural soft shadows (imagine a square panel of light, a sphere,....). It could be nice to use it (I think it's in the Vue5 wishlist) So I think Vue4 has lot of little improvements compared to previous versions, which make easier the user life, and improve the realism of pics (if they are used). Maybe I will reinstall the demo to see the differences (I never really used it in fact). It seems you are mastering all these new features ;=) Thanks to have spent your time showing me these examples ;=) Yves

Alekssander ( ) posted Sat, 23 November 2002 at 3:38 AM

Attached Link: http://www.renderosity.com/viewed.ez?galleryid=267262&Start=13&Artist=Alekssander&ByArtist=Yes

Didn't know about streaks and gels??? Yves, you can have a lot of fun (see the link below). In the animation scared, I used volumetric lights, but it was hell to render. And that's the big problem with it.

Alekssander ( ) posted Sat, 23 November 2002 at 3:40 AM

Sorry (se the link above)...

YL ( ) posted Sat, 23 November 2002 at 6:52 AM

Thanks Alekssander, e-on call this type of light "volumetric light" and in fact it's most a type of light which can interact with atmosphere in the volume of the cone. That's interesting, to play with light in such a way, and as Guitta showed, to have more control on light (compared to previous versions). For example, I always have the problem of a light which is near a surface and produce strong spot effect, and this can be avoided with quadratic light ;=) Yves

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