Vray for SketchUp? - A Black Art?

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Vray for SketchUp? - A Black Art?

Postby Mr S » Sun Nov 18, 2007 10:48 am

Hi,

Just downloaded the final release of Vray for SketchUp.
2 Versions were available for download.
One was called the 'Academy' version, so I'm assuming that this is a free 'not for commercial use' version.
I can only assume this because like everything else to do with Vray, getting information or tutorials on how to use this software seems next to impossible.
I couldn't see any information on their website explaining what the differences between these two version are. It just seems to be a case of 'look at our Rhino' sections to get an idea of how this software works.
ASGVIS needs to take a look at how @last software provided clear instruction and video tutorials. This could help bring a complicated bit of software like VRay to life!
Otherwise you left feeling that actually using this software needs some sort of Black Art skills. Oh, and they need to change their name: 'ASGVIS' .
How are you supposed to pronounce that correctly? ;-)

If any one knows of a link to a plain english introduction on how to use VRay, I would be very grateful.

Regards
Mr S.
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Re: Vray for SketchUp? - A Black Art?

Postby juju » Sun Nov 18, 2007 10:49 am

lol Mr S, watch the forum, from what I understand Coen is implementing a section dedicated to rendering. Unfortunately I don't have any answers to your questions w.r.t. V-Ray ATM.
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Re: Vray for SketchUp? - A Black Art?

Postby THE_Russian » Sun Nov 18, 2007 10:50 am

Have you ever tried using Kerkythea? It's fairly simple to use and has a ton of support and tutorials, their forum also has a ton of information. I honestly suggest you try it, I've been using it for quite some time and have gotten unbelievable results with it, oh and it's FREE!

(THE_Russian)
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Re: Vray for SketchUp? - A Black Art?

Postby RonS » Sun Nov 18, 2007 10:50 am

I do agree with The_Russian Mr S. The support you get at kerkythea is outstanding. I have Artlantis, Lightwave and Max and I do have to say if you need help to get it pretty fast at Kerkythea.
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Re: Vray for SketchUp? - A Black Art?

Postby Stu » Sun Nov 18, 2007 10:51 am

Im sure that VRay can produce great renders......and hopefully better than some of the examples in their gallery.
And, yes, Kerkythea.....dis-proving the old theory that you 'dont get nutin fo nutin'........you actually get heaps for nutin......and great support from the fiercely loyal collective of users. The whole Kerkythea experience is just extraordinary.
Im a rendering klunk-head from way back and Kerkythea is the first renderer that I managed to get any results with.
Stu ;)
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Re: Vray for SketchUp? - A Black Art?

Postby bigstick » Sun Nov 18, 2007 10:52 am

Vray is notoriously complex, but it has a reputation for being very fast. Its results aren't physically accurate, but to be honest you really wouldn't know unless you were a real render guru.

It is being positioned as a render engine which works with most modellers.

Quality of some of the images can be truly awesome, but this package is really for experts only!

(bigstick)
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Re: Vray for SketchUp? - A Black Art?

Postby Mr S » Sun Nov 18, 2007 10:52 am

OK Guys, thanks for the thoughts.
I'm pretty sure the company I work for is considering VRay as an option for producing professional quality renders.
I was hoping to gain some knowledge of it before it is introduced.
Kerkythea may be good for me to look at for my own use.

Thanks

Mr S
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Re: Vray for SketchUp? - A Black Art?

Postby juju » Sun Nov 18, 2007 10:53 am

MR S, I don't know if you've noticed that the rendering forum is in place. Look for the Gallery section from the mainpage, then go to the rendering subsection and head on over to the renderer / topic of choice...
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Re: Vray for SketchUp? - A Black Art?

Postby bigstick » Sun Nov 18, 2007 10:54 am

Podium gives virtually the same results as Kerkythea. Free as long as you don't want bigger than 640x480, and a whole lot easier to use.

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Re: Vray for SketchUp? - A Black Art?

Postby juju » Sun Nov 18, 2007 10:55 am

bigstick, I think you'll need to clarify that statement. Do you mean that Podium is free as long as you don't want images larger than 640x480 or vice versa?
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Re: Vray for SketchUp? - A Black Art?

Postby stuartb » Sun Nov 18, 2007 10:55 am

I will try to upload some SU+VRay experiments for you . . once I work out how!
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Re: Vray for SketchUp? - A Black Art?

Postby juju » Sun Nov 18, 2007 10:55 am

Thx stuart, remember if they are images please put them in the appropriate gallery section, you're welcome to post here as well and just give a link to the gallery topic / post with your images.
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Re: Vray for SketchUp? - A Black Art?

Postby not registered yet » Sun Nov 18, 2007 10:56 am

I'm just starting to dip my toes into the whole rendering can of worms...

At the moment I am practising with SU Podium - mainly because it works as a plug-in inside SketchUp (not sure if that's true of the rest).

And luckily I qualify for a Educational discount on the full version...

As has been said - support is everything with rendering - modelling light on surfaces is a complex skill, and although Podium makes it a little easier, it is still an abstract process that does demand some 'hand holding' in the early stages...

I am happy, however, that the latest Podium news letter announces a set of pre-made lighting set-ups (as components), in order to help you fashion successful renders.

(Beaty)
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Re: Vray for SketchUp? - A Black Art?

Postby solo » Sun Nov 18, 2007 10:56 am

juju

Ya-nee Bigstick's point is valid Podium is free as a trial version with the only restriction being the render size. Every month the trial ends and you renew it free, with any upgrades that are available. Bigstick is putting together a lighting package with from what I understand will be over 100 fixtures that are spec'd according to manufacturer, one needs just place it and select your bulb wattage.
I have used Kerky and it rocks, however being a lazy ex-vaalie, Podium is a one app build and render solution. Considering that it only launched in December, it has come a far way, and word has it that the future looks bright. Now with TBD the designer at the helm and he has always got a script up his sleeve for a tweak here or there, so I can only imagine what's next...internet streaming music using suave technology, while it renders (nothing like muzak for those paint drying moments)..realtime modelling maybe...hey see the new directX 10 products that are coming out, in a year or so over night rendering will be all but a relic of the past (at least thats how it seems)

And for the record all free productive software rocks!
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Re: Vray for SketchUp? - A Black Art?

Postby stuartb » Sun Nov 18, 2007 10:59 am

Some SU+VRay stuff here viewtopic.php?f=126&t=290
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Re: Vray for SketchUp? - A Black Art?

Postby Fletch » Fri Dec 28, 2007 11:26 pm

While I'm obviously a big fan of a certain render engine, I think it is bad form for people to suggest other render engines when a person has a request about another.

For instance, if someone has a question re: Vray... it should be left alone until someone that knows the answer is able to respond.

Telling a user that they should basically dump it to go to another render engine is not an answer, but a testimonial.

That said, in some instances I can see where it would be appropriate if the person specifically asks - "hey, if I want to quit using X software, what would you suggest to replace it?"

Vray is an exceptional render engine, and it takes time and effort to learn it... much like any other professional endeavor worth pursuing.

as my father used to say... "If it were easy, everyone would do it."
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Re: Vray for SketchUp? - A Black Art?

Postby alley » Mon Apr 14, 2008 7:04 am

Hi everyone... i am a new user of vray for sketchup... and i am having a hardtime using the rectangular light feature :( for some reason when i render the image the rectangular light renders as 'black' and instead of casting a light on an object it creates a shadow... does anybody know why?
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Re: Vray for SketchUp? - A Black Art?

Postby jenujacob » Mon Apr 14, 2008 8:20 am

alley,
if using the physical camera try increasing the exposure or else turn of physical camera!!! ;)
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Re: Vray for SketchUp? - A Black Art?

Postby DzineTech » Mon Apr 14, 2008 12:56 pm

alley wrote:Hi everyone... i am a new user of vray for sketchup... and i am having a hardtime using the rectangular light feature :( for some reason when i render the image the rectangular light renders as 'black' and instead of casting a light on an object it creates a shadow... does anybody know why?

Sounds like you have the Rectangular light's multiplier too low and that you have the SU sun's GI casting light onto the rectangular light from above hence the shadow. If you only want to have the rectangular light cast light but not be seen then set it to invisible in the light's properties.

Always use the physical camera!
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Re: Vray for SketchUp? - A Black Art?

Postby alley » Tue Apr 15, 2008 6:54 am

Thanks for the quick answer... can you please tell me how to shut off the SU sun's GI ? i played around with the properties in the rectangular light option...such as the mutiplyer and with the invisible option. but when i render the light seem to not take effect... when i render with multiplier of 5 and then render the multiplier of the 30. the final image looks the exact same??? :cry: i have no idea why... could i be missing somthin in my settings? i just can't seem to get the light to work....in the image.
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Re: Vray for SketchUp? - A Black Art?

Postby jkrack » Sun Apr 27, 2008 4:49 pm

I am having the exact same problem and becoming really frustrated.. From some reason whenever I have tried to render with the rectangular light.. no light renders.. I have tried playing with the intensity and playing with physical camera (off and on) and nothing seems to be working.. Can anyone help??
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Re: Vray for SketchUp? - A Black Art?

Postby DzineTech » Sun Apr 27, 2008 11:38 pm

iirc the intensity of the sun in vray is approx 364. To turn off thee Sun you need to untick Default light in the vray system rollout. Now you should see the effect off the rectangular light. try them with a intensity value of 200 to start with.
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Re: Vray for SketchUp? - A Black Art?

Postby nomeradona » Tue May 06, 2008 6:05 am

if the vray physical camera is on and less value for your rectangular light. you wont really see them. physical camera works together hand in hand with the the vray sun. if you are using night scene better to turn off the physical camera. all lights (omni or point lights, emmisive and rectangular lights will appear)

if you insist in using the camera try lowering your fstop value, decresing the shuterss speed or even makign your ISO higher, but lo be careful because if your using ISO more than 800, the image will become noisier.
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