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Mental Ray beginner
show user profile  ramjet36
Hi, can anyone please help?

I am trying to use Metal Ray with 3ds Max 9 x64.

I have looked at lots of tutorials but they normally miss a vital bit of info, or they approach it in completely different ways. FRUSTRATING! I decided to follow a tutorial that appeared in 3ds Max Essentials. It had a step by step guide to render a Tuc-tuc.

In my sean I have a:
Mr area Spot
Sky01

I have modelled half a sphere and put a HDRI map in my (Materials) and in the (Sky01) slot and (Environment Map) slot. I have put a simple curved backdrop in for the robot to stand on. I am using standard (Arch+Design) Materials.

Things I am having problems with are.

1 Do I need both HDRI and Sky01 etc or can I just have HDRI to illuminate the image?
2 I don’t like the hard shadow from the Mr Area Spot?
3 There is an orange ‘glitch’ on the robot arm and I don’t know why?

I have put some images in Photobucket to possible help.

Any other comments would be great :)
Cheers :)
read 192 times
6/25/2012 11:32:44 AM (last edit: 6/25/2012 11:32:44 AM)
show user profile  Nik Clark
1 Do I need both HDRI and Sky01 etc or can I just have HDRI to illuminate the image?

You can use just the HDRI, but I find I get better results from realistic light setups.

2 I don’t like the hard shadow from the Mr Area Spot?

In the settings, you can make the point the light is emitted from larger, which will give you softer shadows. Change it from point to disc, etc.

3 There is an orange ‘glitch’ on the robot arm and I don’t know why?

Could be a number of things. Try rendering from a different angle, to see what results you get. Could it be co-planar faces?

Oh, and your render looks pretty good so far, way better than most beginner's MR attempts!


Click here to send me an emailClick here to visit my websiteClick here to visit my photo gallery on Flickr

read 184 times
6/25/2012 11:47:41 AM (last edit: 6/25/2012 11:48:10 AM)
show user profile  ramjet36
Cheers Nik :)

Will try a differant angle to start. When you say realistic light set up. What do you mean?

read 176 times
6/25/2012 11:55:33 AM (last edit: 6/25/2012 11:55:33 AM)
show user profile  Nik Clark
Well, I try to match the light setup I'd use in a photography studio. So, large soft lights, etc. If it's an outside shot, I'd use the daylight system.




Click here to send me an emailClick here to visit my websiteClick here to visit my photo gallery on Flickr

read 174 times
6/25/2012 11:57:10 AM (last edit: 6/25/2012 11:57:10 AM)
show user profile  ramjet36
Really sorry Nik I am struggling to know what you mean. Which lights should I use to get soft lights and hopefully shadows? And what’s the daylight system?

When I follow a tutorial for Mr I don’t really understand what I am doing. I just do it parrot fashion :(

read 169 times
6/25/2012 12:07:12 PM (last edit: 6/25/2012 12:07:12 PM)
show user profile  ramjet36
Here is a new view and you where right, the orange has gone. Mind you another bit has appeared :( F**k

read 164 times
6/25/2012 12:23:07 PM (last edit: 6/25/2012 12:23:07 PM)
show user profile  Nik Clark
In the MR Area Spotlight settings, find the Area Light Parameters Rollout. Increasing the width and height here will make the shadows softer.

To get the Daylight system, choose Create / Systems and choose the Daylight system. Say yes to the question that pops up.Go to the modifier tab and change the Sunlight and Skylight to MR sun and MR skylight, saying yes to questions that pop up.

Sorry the answer to brief, very busy day today.





Click here to send me an emailClick here to visit my websiteClick here to visit my photo gallery on Flickr

read 163 times
6/25/2012 12:24:43 PM (last edit: 6/25/2012 12:24:43 PM)
show user profile  ramjet36
I dont want to distract you from work, but thanks again and I will have a play :)
Cheers
read 158 times
6/25/2012 12:30:47 PM (last edit: 6/25/2012 12:30:47 PM)
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