General difficult thins on Vray (shadows, reflecctions, Glass)

[varribas]

Hi, I'm Victor new on it.

First of all, english lenguage is not my mother tongue so I hope to explain everithing the best I can.

 

I use to render objects and I've some questions that always are explained on diferents posts being caotic.

 

So, lets make a post for everybody how to make the scene to render industrial products.

 

I made a Scene with Vray, with (HDRI and one Spot light). Is these one:

dl.getdropbox.com/u/808038/Final%20Render.jpg

alpha channel: dl.getdropbox.com/u/808038/alpha_chanel.jpg

 

 

As you can se there are shadows, reflecctions and also glass(the hateful material) .

 

The main problems everybody use to have when render on Vray are on it image and I don't know how to solve it.

1st: If you want to se the reflections, the groundplane reflects also the background being not anymore transparent.

2nd: the alpha channel only keeps the shadows, not shadows and reflections.

3rd: Also doing the groundplane transparent losing the reflections it appears on the object reflections.

4th: The glass has a Affect Alpha activated where you can see on the alpha image is transparent but only where the grounplane isn't. So when the glass has the ground plane rear we can not save anymore the transparency of the glass on the alpha channel.

 

I'm sure there is some trick to make the perfect groundplane. somebody knows how to do it?

 

On these image you can see all the materials used:

dl.getdropbox.com/u/808038/materials.jpg

 

I'm sure if we made a post explaining how to made the perfect groundplane material everybody will be so much happy.

Thanks Evrybody also these comunity.

[varribas]

I already found how to solve point 3 and 4th:

 

Push right click on the groundplane and select Vray properties. Inside the menu, turn off the options:

 

- (NO) visible in reflections (ground plane reflection in box green will desappear)

- (NO) visible in refractions (the alpha chanel for the glass cilinder will be clean)