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Vray Product render
show user profile  geoffneck
I'm trying to render a simple clean white background/groundplane render of a product with soft shadow from the top.

What I'm trying to do is render the product on its own, then the shadow under the product so I can comp them to make the shadow darker/lighter.

I'm using Vray2.0 and have tried elements, mtlwrapper to no avail and its driving me mad. Is there a simple explanation out there as what to do?

read 1163 times
11/13/2011 1:25:04 AM (last edit: 11/13/2011 1:25:04 AM)
show user profile  kiko
to render the shadow only.
use a matte/shadow material for the floor. (in vray properties i think you have to check affect shadows or alpha or both)
select your objet>object properties> invisible to camera

As for rendering the object just unhide it from the camera.

[edit]

Just checked a file tih those characteristics, to render the shadow only, select you object and do as I told you earlier, object properties and invisible to camera.
then select your floor object and in vray properties checl matte object, alpha contribution to -1.0 and check shadows and affect alpha in direct light tab.

Cheers,





-- David --
read 1155 times
11/13/2011 1:31:02 AM (last edit: 11/13/2011 1:35:10 AM)
show user profile  Bolteon
background layer: white blank background.

shadow layer: product object set to invisible to camera and ground object with vray object properties set to matte object with -1 alpha contribution and direct light shadows and affect alpha checked on.

product layer: ground object set to invisible to camera.


ideally, comp it in a real comping program like nuke but regardless you layer them one over the other. tada.


//edit

too late!



-Marko Mandaric



read 1151 times
11/13/2011 1:38:10 AM (last edit: 11/13/2011 1:39:00 AM)
show user profile  geoffneck
Thanks chaps, I'll give it a go... sounds so obvious... cheers.

read 1141 times
11/13/2011 2:21:05 AM (last edit: 11/13/2011 2:21:05 AM)
show user profile  GirishDJoshi
download the table setup / studio setup shared by kb on his website visuart.be

Use it, try it. understand it

Say thanks to him

Create a new setup and render :)


3D ArchVis
Foodlyrics

Twitter

Girish Joshi Photography


read 1124 times
11/13/2011 2:06:24 PM (last edit: 11/13/2011 2:07:11 PM)
show user profile  geoffneck
Right, I've managed to get good results and separate renders... the issue I now have is when I place the product over the shadow in comp, it has a slight white outline where it hits the shadow...

I presume I need to feather the edges and blend layers but am struggling to get a good result. Any good fixes for this? I'm using AE, or can use Premiere.

cheers...

read 1089 times
11/15/2011 10:26:52 AM (last edit: 11/15/2011 10:26:52 AM)
show user profile  reeves1984
Also ideally like bolt was saying, max would have a pass system too to make workflow un-shit (maybe the new one isnt too dodgy)

--
Simon Reeves


www.simonreeves.com - VFX Artist & Blog
twitter


www.analogstudio.co.uk <-- I work here

read 1079 times
11/15/2011 11:51:11 AM (last edit: 11/15/2011 11:51:11 AM)
show user profile  Bolteon
render layers from maya would be perfect.


geo: render on black only.

-Marko Mandaric



read 1066 times
11/15/2011 12:32:27 PM (last edit: 11/15/2011 12:32:27 PM)
show user profile  geoffneck
problem is, if I render on black, I will get a black outline around the product. The product sits on a white background with shadow on the groundplane...

edit>> OK, well I rendered out the shadow plane with the product set to occlude in the Vray Property settings... this let me layer the product over the shadow layer in AE... I still had the white outline, so i put the product layer on multiply and incrased its scale to 100.3% whiich allowed the white edge to blend over the shadow...

Crux of it is that this has produced something I was after in a roundabout way... thanks above for help.

read 1061 times
11/15/2011 1:02:27 PM (last edit: 11/15/2011 5:11:28 PM)
show user profile  Bolteon
comp in a real comping program.



isssue, resolved. ;-)

-Marko Mandaric



read 1037 times
11/15/2011 10:20:50 PM (last edit: 11/15/2011 10:20:58 PM)
show user profile  geoffneck
What other comping software is out there as well
as Nuke?

read 1028 times
11/15/2011 11:04:43 PM (last edit: 11/15/2011 11:04:43 PM)
show user profile  Bolteon
this is the part where i usually say, none.


but in realistic terms; fusion is out there. although in my opinion not as good or easy to use as nuke and there's always shake (but i'm pretty sure it's no longer being developed).

aside from those are the "free" ones you get with maya and max... that being toxic and composite respectively.

personally, everything outside of nuke is shit. the only reason for that being that nuke was purpose built by professionals in pipeline situations. it just fucking works the way it's meant to work.

-Marko Mandaric



read 1021 times
11/16/2011 12:42:22 AM (last edit: 11/16/2011 12:42:22 AM)
show user profile  geoffneck
Just seen the cost of Nuke £3K...

I'm sure its worth it, but I cant justify that at the moment... I'll take a look at the trail and look at some other options.

Many thanks for the info...

read 1011 times
11/16/2011 10:30:09 AM (last edit: 11/16/2011 10:30:09 AM)
show user profile  DannyMax
you can download a free demo of nuke and use it for 30days I think, Nuke is the dogs bits if you ask me ! give it a try :)




read 1004 times
11/16/2011 10:54:26 AM (last edit: 11/16/2011 10:54:26 AM)
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