# shadow catcher frustration

**URL:** <https://forums.chaos.com/t/shadow-catcher-frustration/83189>\
**Category:** General\
**Created:** [June 6, 2017, 2:45am UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189 "2017-06-06T02:45:16Z")\
**Posts on this page:** 9\
**Page:** 1

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**Author:** ![arail](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/arail/32/235120_2.png) [@arail](https://forums.chaos.com/u/arail)\
**Post date:** [June 6, 2017, 2:45am UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/1 "2017-06-06T02:45:16Z")

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I can’t seem to get the shadow catcher to work and I need input as to what I’m doing wrong.  
1. I put a plane under my objects  
2. I create a generic material  
3. I create a Matte\_Shadow\_Receiver material and set the base material to Generic  
4. I apply the Matte\_etc. material to the plane  
5. nothing

I had no problem w/ V2 using the wrapper material from express tools.  
If someone could take a look at my screenshot and see if there’s something wrong, I’d appreciate it.

 ![no shadow catcher3.jpg](https://europe1.discourse-cdn.com/chaosprd/original/3X/d/e/de2a60c07c8d999c7a12bf7ba731f517006345d5.jpeg)

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**Author:** ![fpedrogo](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/fpedrogo/32/30662_2.png) [@fpedrogo](https://forums.chaos.com/u/fpedrogo)\
**Post date:** [June 6, 2017, 6:49pm UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/2 "2017-06-06T18:49:40Z")

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Are you using dome light for the illumination. If yes, You will have to use the same HDRI in the environment background.

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**Author:** ![arail](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/arail/32/235120_2.png) [@arail](https://forums.chaos.com/u/arail)\
**Post date:** [June 17, 2017, 5:17pm UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/3 "2017-06-17T17:17:52Z")

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Still no luck. I guess I’m going to revert to V2.

The disc I have under my geometry has the matte\_shadow\_recieiver as you can see in the upper right corner but it’s not transparent at all.  
I think the Environment, Background panel in V3 is confusing. Just to get a simple single color background with shadows is difficult.

 ![ShadowCatcher2.jpg](https://europe1.discourse-cdn.com/chaosprd/original/3X/2/b/2b0b7b74149810e8fd380c8913ff76ae4df946c4.jpeg)

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**Author:** ![arail](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/arail/32/235120_2.png) [@arail](https://forums.chaos.com/u/arail)\
**Post date:** [June 17, 2017, 5:19pm UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/4 "2017-06-17T17:19:36Z")

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This is from Thea - 3 clicks, no multipliers, manipulators, no complicated settings, no adjustment to the lights, nothing. Just 3 clicks.

 ![Givenchy_Saks_Wall_June16_1.jpg](https://europe1.discourse-cdn.com/chaosprd/original/3X/0/b/0b4709e34df701179bc0c55824bcc1af53193aba.jpeg)

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**Author:** ![arail](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/arail/32/235120_2.png) [@arail](https://forums.chaos.com/u/arail)\
**Post date:** [June 18, 2017, 3:13am UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/5 "2017-06-18T03:13:57Z")

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I learned something after posting this - V-Ray seems to be sensitive to the history of a scene. What I mean is, I finished the scene and rendered it out in Thea (see above). Then I copied the geometry, dragged it to a new location, turned off the ground plane and swapped out the Thea materials for V-Ray materials. No shadow catcher.

Then I selected the geometry (that had V-Ray materials applied) and copied it into a fresh scene and the shadow catcher worked. Not sure why that would be but there it is.

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**Author:** ![kmlkarablt](https://avatars.discourse-cdn.com/v4/letter/k/e0b2c6/32.png) [@kmlkarablt](https://forums.chaos.com/u/kmlkarablt)\
**Post date:** [October 21, 2017, 3:20pm UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/6 "2017-10-21T15:20:39Z")

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> [@fpedrogo](#):
>
> Are you using dome light for the illumination. If yes, You will have to use the same HDRI in the environment background.

Hi Fernando,

Where am l doing wrong with the settings? I can’t disappear plane complately. By the way i use hdri and i also added it to background.

 ![wrapper.JPG](https://europe1.discourse-cdn.com/chaosprd/original/3X/e/0/e0e684602a90fe6b6313222a82cef93f4456c243.jpeg)

 ![wrapper2.JPG](https://europe1.discourse-cdn.com/chaosprd/original/3X/3/9/39d309570b403e6a127b1127a0120b8c329f6699.jpeg)

 ![wrapper3.JPG](https://europe1.discourse-cdn.com/chaosprd/original/3X/4/f/4f51e03a0ba6e3c265a203e283d1e5a6c1175751.jpeg)

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**Author:** ![kmlkarablt](https://avatars.discourse-cdn.com/v4/letter/k/e0b2c6/32.png) [@kmlkarablt](https://forums.chaos.com/u/kmlkarablt)\
**Post date:** [October 21, 2017, 4:01pm UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/7 "2017-10-21T16:01:58Z")

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in addition to this, i’ve added infinite plane to solve it but there are still shadow and color issues as you see. I hope you can help Fernando.

 ![wrapper4.JPG](https://europe1.discourse-cdn.com/chaosprd/original/3X/5/c/5c0213116208a978c961254d55d8bfcdd7de7284.jpeg)

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<div class="post-metadata">

**Author:** ![kmlkarablt](https://avatars.discourse-cdn.com/v4/letter/k/e0b2c6/32.png) [@kmlkarablt](https://forums.chaos.com/u/kmlkarablt)\
**Post date:** [October 21, 2017, 5:35pm UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/8 "2017-10-21T17:35:03Z")

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Ok i’ve figured it out without any issues on scene 🙂 Sorry to bother.

 ![render_wrapper_outdoor.jpg](https://europe1.discourse-cdn.com/chaosprd/original/3X/4/7/477ecf19104b7f981db4c4a426f67bfd9780b31b.jpeg)

 ![render_wrapper_indoor.jpg](https://europe1.discourse-cdn.com/chaosprd/original/3X/d/8/d8a4687ca206e3baf4a85dcad9062f3885ee67d3.jpeg)

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<div class="post-metadata">

**Author:** ![kmlkarablt](https://avatars.discourse-cdn.com/v4/letter/k/e0b2c6/32.png) [@kmlkarablt](https://forums.chaos.com/u/kmlkarablt)\
**Post date:** [October 21, 2017, 6:18pm UTC](https://forums.chaos.com/t/shadow-catcher-frustration/83189/9 "2017-10-21T18:18:34Z")

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> [@arail](#):
>
> Still no luck. I guess I’m going to revert to V2.
> 
> The disc I have under my geometry has the matte\_shadow\_recieiver as you can see in the upper right corner but it’s not transparent at all.  
> I think the Environment, Background panel in V3 is confusing. Just to get a simple single color background with shadows is difficult.
> 
> ![ShadowCatcher2.jpg](https://europe1.discourse-cdn.com/chaosprd/original/3X/2/b/2b0b7b74149810e8fd380c8913ff76ae4df946c4.jpeg)

Hi,

Let me explain how i figured it out. Maybe it helps.

Material Settings

1-Create a generic material  
2-Create a wrapper material  
a-Check ‘‘matte, shadows and affect alpha’’  
b-Change ''Matte for secondary rays from default to → All secondary rays (reflections and refractions)  
3-Add generic material as base material of wrapper

Environment Settings ()if you add a dome light, delete it because you won’t need it)

1-Add your HDRI as background image (Under Enviroment section) - ‘‘Leave color space area under bitmap as Rendering Space (Linear)’’  
2-Change GI skylight as ‘‘Sky’’ under it’s ‘‘M’’ section  
3-Add your HDRI to Reflection too - Leave color space area under bitmap as ‘‘Rendering Space (Linear)’’  
4-Open sun and set up your shadow’s direction according to your HDRI’s shadow position.

\*\*\*if it’s dark: change background and reflection sections’ values from 1 to 2 or a higher value.

It worked over my scene. I hope it helps.

i’ve attached my final result also.

 ![final.jpg](https://europe1.discourse-cdn.com/chaosprd/original/2X/0/0dbba35941c2c15956934e1f72944159d85e650c.jpeg)
