Quick Tip 3: Compositing With HDRI's In Cinema 4D

In this Quick Tip we look at how we can composite 3d objects with a HDRI within Cinema 4D
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[@geneferrol6712]

Hi good Tut but some to the first example: You may not put the material on the plane, you have to put the plane under the background-object and give the background-object the compositing tag with option background-compositing activated and recieve shadow on and cast shadow off. So the plane get invisible and recieves shadow . you also can take a normal Floor-Object.

[@KLKstudios]

Thanks nice video tutrial

[@agatagalewska576]

Thanks much!

[@TitusKrakenDesigns]

Lifesaver! thanx!

[@papisdiop4455]

thanks very much

[@maestroivan4010]

Thank you bro!! nice tutorial!!))) like!

[@Blemboy]

exactly what I Was looking for thank you

[@DIGITALMEAT]

My pleasure, please sub, I've got a good one coming up.

[@rustyhooks514]

thank you... i have subscribed

[@DIGITALMEAT]

Cheers :D

[@ahmetcakmak7467]

Tanks.

[@InetaGphotography]

thanks

[@DIGITALMEAT]

No problem :D

[@MrJans3n]

So I *think* I've got everything right, but whenever I try the "Compositing Background for HDR" option, the plane is still partially visible. Almost like it's casting a shadow. Any ideas?

[@SPARKcreative]

on global illumination

[@vloraberisha3354]

the same here :(

[@Jerre8602]

same problem ... i got a beach hdr and the plan is slightly brighter than the sky. I dont know how to fix this

[@dariosaric5311]

@@Jerre8602 I do not know either

[@nafisahmed6247]

Compositing background with this method is not working with prorender in c4d R20. Any idea how to make that work with prorender?

[@NitinDasFilms]

Is there any way to remove the HDRi shadow and use an area lamp to generate shadows? Trying to get the HDRi to light and reflect the object, but wish to avoid any shadows from it on the floor. Thank you for your helpful tutorials.

[@DIGITALMEAT]

The only way to stop the HDRI from producing shadows is turn off GI, then you can use the hdri for reflections and light your scene normally

[@NitinDasFilms]

@@DIGITALMEAT Thank you so much. I also found these 2 options:
1. In Material of Floor - Illumination channel - Uncheck - receive GI illumination (BEST)
2. Use Shadow Catcher material on floor (It does not read HDRi)

[@alexanderhahn8583]

great tutorial! random question...can i use an HDRI sky image to light my object, but not have the HDRI image be rendered? i just want my object to be light by it, but don't want to see the HDRI in the render.

[@BEEFDOCTOR]

Yes, add a compositing tag to your sky, and uncheck seen by camera.

[@alexanderhahn8583]

@@BEEFDOCTOR big thank you, greatly appreciated!

[@alexhydron]

The amount of heavy sighs in this tutorial is hilarious, it's like you've given up on life which is quite reasonable for any 3D artist i guess, thanks for the tutorial :D

[@DIGITALMEAT]

lololol, kill me. Just kidding, I think I was a bit bit Ill at the time of recording :)

[@mzee2844]

what if you didnt want it in your backgound when rendering out but still keep the effects it give on your object ?

[@DIGITALMEAT]

Then turn off "seen by camera" in the compositing tag 😉

[@juliovillalba]

NOT Working. As other users said in the comments, the plane/floor is very visible, it shows almost like a shadow if the HDRI is darker in color like a street. If you use a HDRI with a light color like grass, the plane/floor shows lighter instead. Tested in R19 and R23 on Mac. Maybe a problem with the Mac version? Can you revisit this tutorial to check what might be the problem?

[@DIGITALMEAT]

Message me on my facebook page, and I'll take a look.

[@PostProductionors]

thank you so much

[@DIGITALMEAT]

no problem

[@mhproduction7330]

hey thanks 4 the tout but can u do it with studio hdri please?

[@nafisahmed6247]

Great tutorial!
But I am trying to use this technique with the prorender from c4d R20. The compositing option for background seems greyed out when I change the rederer from standard to prorender.
Any other way to make it work in prorender?

[@DIGITALMEAT]

I don't think it's supported in prorender yet

[@what-mj3kw]

How can I motion track the surface of the plane so I could make an animation without spending my time on the camera/object movement so much?

[@DIGITALMEAT]

th-cam.com/video/6ZWLIFmmGPA/w-d-xo.html

[@Murathanaksoz]

could do it with like attaching object to a tree ?

[@DIGITALMEAT]

?

[@m4r_art]

I have a small question I tried experimenting with HdRI in an interior scene. I have thin and set to transparency windows meshes that are set to transparent material with refraction also active as material. So reflectance and transparency are on.
For some reason the compositing tag doesn't remove the SKY HDRI when looking through transparent windows that have those material characteristics. Maybe there is something that i'm not checking right in the checks part under the compositing tag ugh ^_^''
When I zoom out from the scene meaning when I am outside of the mesh are the compositing tag works fine, but not when looking through a transparent mesh. I also tried tweaking the compositing tag settings but it's a mess.

[@DIGITALMEAT]

In the compositing tag, check off "Seen by Refraction"

[@m4r_art]

@@DIGITALMEAT holy shi* it work hahahaha! thank you!!! RESPECT!

[@DIGITALMEAT]

@@m4r_art - No problem, please like and subscribe if you haven't already, also you might find other tutorials that could help you at Digitalmeat.uk

[@m4r_art]

@@DIGITALMEAT subbed! :) will check

[@dariosaric5311]

@@DIGITALMEAT "So I think I've got everything right, but whenever I try the "Compositing Background for HDR" option, the plane is still partially visible. Almost like it's casting a shadow. Any ideas?" PLEASE HELP