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POM doesnt work with landscape?

Hi. Is there any way to enable ParallaxOcclusionMapping for landscape? alt text

Product Version: UE 4.10
landscape pom.png (418.6 kB)
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asked Feb 02 '16 at 04:05 AM in Rendering

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Hi FiftyStarts,

POM can work with landscape materials, though it can be expensive to use though. Can you post a screen shot of your material and how you've set this up? Please include any details to reproduce and I can help get you setup usnig it with your landscape.

You may also want to check out a recent Twitch Training Stream that Epic did with Ryan Brucks. He goes into detail about POM and its uses.


Let me know.


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answered Feb 04 '16 at 05:42 PM

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Tim Hobson ♦♦ STAFF
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avatar image FiftyStars Feb 04 '16 at 07:02 PM

Thx for approving that POM works with landscapes. Otherwise I wouldnt even think that something is wrong with my materials. I've started to search for the problem and I found it. Looks like there is a little bug with names. If you call Param Texture Object 'HeightMap' then it stops working with landscapes. any other name and voila! - it works properly. alt text

heightmap.png (106.2 kB)
avatar image felipehenriquesilva Feb 25 '16 at 01:52 AM

E como se faz isso amigo para poder controlar pela distância da Câmera

avatar image lobachevscki Sep 21 '16 at 08:25 PM

On the subject of POM: could you pleas elaborate more why it is a bad idea using POM on landscapes. I do understand why it could be a bad ideas, but if you can take a few minutes to expose a brief technical explanation it will be really helpful.


avatar image Deathrey Sep 21 '16 at 08:42 PM

It isn't a bad idea at all.

avatar image TomShirk Feb 21 '18 at 04:09 PM

Yeah, "expensive" != "bad".

POM is expensive, period. I don't think Tim was saying it was expensive especially for landscapes.

avatar image ULLS Mar 12 '18 at 07:15 PM

Thanks FiftyStars for finding the solution...I was scratching my head for hours wondering why my material had stopped working on landscapes after converting a few nodes to parameters, one of which I had called 'HeightMap' - This should really be documented or raised as a bug.

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