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17. C4D Basics: Reflections and Global Illumination
2 years ago
Hosted by Robert Redman.
This tutorial will explain some of the ways you can implement global illumination in your scene, using luminous materials and HDRIs.
Also a look at how to set up realistic reflections in your materials, using the standard reflection channel with a fresnel mixed in.
This tutorial will explain some of the ways you can implement global illumination in your scene, using luminous materials and HDRIs.
Also a look at how to set up realistic reflections in your materials, using the standard reflection channel with a fresnel mixed in.
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Materials & Rendering stuff is Always a tough nut to crack.
p.s- do you have any opinion about he Maxwell Renderer plugin, btw?
I also think multilight is a great tool.
I'm going to do a tutorial on using multilight in maxwell soon.
Cheers
Rob
Your tutorials are Very unique, and Thorough, Rob.
hoping to see some more quality stuff :]
Still the quality is the best there is so can't complain too much.
Glad you're liking the tutorials.
This was a fantastic tutorial...learned a great deal...thanks!
Also, thank you for the reflection tip ~ everything does have some reflection to it (¿minus organic textures?) so adding just that hint will really help out.
Cheers!
Actually even organic materials are reflective.
What people think of as reflective is usually really shiny. The two are different but easily confused.
There is some overlap between the two.
I hope that helps a bit,
Rob
let me see if this translates... Its sort of like an alpha channel for reflection. You give the over object reflection but with the Fresnel shader you tell it how much to reflect. Kind of like Depth of field sharp - blurred.
So dependent on how much you mix is how dramatic your results are.
facebook.com/photo.php?pid=4010673&id=789058331
facebook.com/photo.php?pid=4010673&l=f1a62d42ba&id=789058331
Only problem I see is the mapping on the sky object. You can see the texture pinching in the reflections.
Otherwise looks really nice.
I was wondering about the pinching effect and i'm not sure how to change it.
My other question is how to make HDR images to use. I shoot in RAW with my D80 and I know I can do bracketing but i'm not sure what to use to actually make the HDR image. Any help on this?
facebook.com/photo.php?pid=4022376&l=e94397f2b8&id=789058331
So here goes: 1. Skin
2. What you call; dressing it up. You seem to have your own stile and tricks. Can you share some of these.
3. How do you approach creating volume? I am thinking of the watery depths, in the tracer tut. for example.
4. Easing, believable and organic movement, I saw you doing this in the spinning spheres, but you did not discuss it much.
It seems to me that art is often about the 'tricks'. Which can become part of someone's stile. Maybe it is simply the way you happened to find that worked. But I notice that it is the little things, that may not be the main 'thrust' of the tutorial that make me lean in to the monitor to make sure `I got it'.
Which is a long way of saying it can be disappointing when you skip over some detail from the original project as not important.
Anyway, many, many thanks.
I have a tutorial in the works about SSS, which will cover skin, so stay tuned for that.
Dressing up is a hard one. It's more about having an eye for a look than a technique. I'm not sure I can really teach it but I'll keep it in mind when I do future videos. I don't really use tricks as such but I do tend to find the quickest way to get the job done, even if it's not how you would first think. Like the spinning sphere. That would normally be made by creating and animating the individual parts but Morgraph makes it so easy. Just a few simple keyframes. Maybe that is what you mean about style? It's timing the animation.
The volume effect was partly c3d and partly after effects. I find the c4d renders are usually too clean and lack contrast so I often do post work, diffusion and colour correction, either in after effects or final cut pro.
I hope this has answered your question a bit. I'll keep your comments in mind for future videos and see if I can do it better.
Thanks
Rob
Also I would suggest the term bluntness for what you call roughness. :-)
And people who wanna know more about C4D Rendersettings should check out this article:
mvpny.com/R11GITutorial/R11GITutorial_Part1.html
I have a question ( excuse my bad english, i'm a french guy )
When I go to the "render settings" and I push the effect button, they don't have the "Global illumination" choice.. only in the mutlipass section. When i try to change settings in the global illumination pass, it's empty in the dialog box. What i'm suppose to do ?
Thank you
*C4D V.11.5
this is very relaxing.
here is my video
vimeo.com/11835836
So I guess what I'm trying to say is: keep up the good work, keep inspiring people.
And the link: youtube.com/watch?v=JIfszngWyEc
always interesting and I have learned about materials setting, dri and also about spline (really beginner I am)
here is my first render (maybe I' ve made error with reflexion between ground & balls),
took 1h50mn (poor pc):
uppix.net/2/9/f/da082de79c35abae0be45d988393a.jpg