# CoronaPhysicalMtl - Displace -\> CoronaDisplacementMod

**URL:** <https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398>\
**Category:** Issues\
**Created:** [August 23, 2021, 9:34pm UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398 "2021-08-23T21:34:13Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![chris\_widdowson](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/chris_widdowson/32/235469_2.png) [@chris\_widdowson](https://forums.chaos.com/u/chris_widdowson)\
**Post date:** [August 23, 2021, 9:34pm UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398/1 "2021-08-23T21:34:13Z")

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If the CoronaPhysicalMtl \> Displace (Min level, Max level) is set to 0, then the CoronaDisplacementMod cannot set the surface displacement.

It would be better if the Corona DisplacementMod itself set the displacement if the CoronaPhysicalMtl is set to 0.

3ds Max 2020  
Corona version: 7  
Build timestamp: Jul 20 2021 21:55:24

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**Author:** ![Corona\_GK](https://avatars.discourse-cdn.com/v4/letter/c/c6cbf5/32.png) [@Corona\_GK](https://forums.chaos.com/u/Corona_GK)\
**Post date:** [August 25, 2021, 10:19am UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398/2 "2021-08-25T10:19:37Z")

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> [@cjwidd](#):
>
> If the CoronaPhysicalMtl \> Displace (Min level, Max level) is set to 0, then the CoronaDisplacementMod cannot set the surface displacement.
> 
> It would be better if the Corona DisplacementMod itself set the displacement if the CoronaPhysicalMtl is set to 0.
> 
> 3ds Max 2020  
> Corona version: 7  
> Build timestamp: Jul 20 2021 21:55:24

This applies for the “displacement map” Get from material option only, right? As far as I know this was always the case even for legacy mtl, any reason why this would be more welcome?

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**Author:** ![chris\_widdowson](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/chris_widdowson/32/235469_2.png) [@chris\_widdowson](https://forums.chaos.com/u/chris_widdowson)\
**Post date:** [August 25, 2021, 6:13pm UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398/3 "2021-08-25T18:13:46Z")

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I was in the habit of setting the displacement to 0.00 on the shader itself, and controlling displacement from the CoronaDisplacementMod.

It seems like now, if the shader displacement is set to 0.00, then CoronaDisplacementMod cannot override to set the displacement(?)

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**Author:** ![Corona\_GK](https://avatars.discourse-cdn.com/v4/letter/c/c6cbf5/32.png) [@Corona\_GK](https://forums.chaos.com/u/Corona_GK)\
**Post date:** [August 26, 2021, 11:00am UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398/4 "2021-08-26T11:00:05Z")

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> [@cjwidd](#):
>
> I was in the habit of setting the displacement to 0.00 on the shader itself, and controlling displacement from the CoronaDisplacementMod.
> 
> It seems like now, if the shader displacement is set to 0.00, then CoronaDisplacementMod cannot override to set the displacement(?)

Hm, I stand corrected indeed it used to work differently in earlier Corona Versions, this is probably a bug so I am reporting it, thanks!

(Report ID=CRMAX-922)

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**Author:** ![chris\_widdowson](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/chris_widdowson/32/235469_2.png) [@chris\_widdowson](https://forums.chaos.com/u/chris_widdowson)\
**Post date:** [August 26, 2021, 8:09pm UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398/5 "2021-08-26T20:09:50Z")

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Haha, for a second there I thought I was misreporting - thanks!

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**Author:** ![Corona\_GK](https://avatars.discourse-cdn.com/v4/letter/c/c6cbf5/32.png) [@Corona\_GK](https://forums.chaos.com/u/Corona_GK)\
**Post date:** [August 27, 2021, 11:53am UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398/6 "2021-08-27T11:53:56Z")

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> [@cjwidd](#):
>
> Haha, for a second there I thought I was misreporting - thanks!

It’s always the simple ones that it’s easy to miss, thanks for insisting 😉

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**Author:** ![rowan\_manns](https://dub1.discourse-cdn.com/chaosprd/user_avatar/forums.chaos.com/rowan_manns/32/18783_2.png) [@rowan\_manns](https://forums.chaos.com/u/rowan_manns)\
**Post date:** [February 9, 2022, 3:27pm UTC](https://forums.chaos.com/t/coronaphysicalmtl-displace-coronadisplacementmod/151398/7 "2022-02-09T15:27:05Z")

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Hi,

This is fixed in the latest v8 daily. You can grab it here: [https://forum.corona-renderer.com/](https://forum.corona-renderer.com/) [Corona Renderer 8 for 3ds Max - Daily Builds Changelog](https://forums.chaos.com/t/151122) #msg194990

Cheers,

Rowan