Forest Pack > Forest Pro (*)

Follow Displace Surface (V-Ray) problem

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Ricousto:
Hello

I have a forest for grass and other things on a terrain.
My terrain has a VRayDisplacement. This VRayDisplacement is a composite map with 2 maps and a vertex colour as a mask (see attachment).
I use Follow Displace Surface (V-Ray).
So far so good, but when I instantiate my composite card, the effect doesn't work. My grass doesn't follow my displaced surface.
If I just put in the map without the vertex colour mask, everything's fine.
Is this a limitation of this effect?

Another question:
Is it a problem if I use Texmap min: -1 / Texmap max: 1?

Thanks

Best regards

Michal Karmazín:
Hi,

You should avoid using the VRayTriplanarTex map. Once removed, it should work just fine. As for your second question, there's no problem with setting Texmap max to -1.

I hope that helps.

Best regards,

Ricousto:
Thanks for your answer.

The fact is it work with triplnar but not with the vertex color mask.
It seems that the problem is more about that mask.
But I really need that mask !
Could you please, give me some advices ?

Thanks

Ricousto:
I found that topic https://forum.itoosoft.com/forest-pro-(*)/vraydistancetex-used-as-mask-for-displacement-not-working/
Is it the same issue ? is it similar in some way ?

I'm still struggling with this problem

EQ4593:
i am stuck with the same problem.
i have uploaded a stripped down max file (ref1.zip) with wetransfer for you to look at. the forest items are not following my base surface as it distorts with displacement using a composite of 3 different vraydistance tex materials.
 

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