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How to rotate HDRI background with reflections and improve the image quality

I want to rotate a background hdr image and have the reflection updated property. currently i have to rotate the whole scene(expect the background) to update hdri reflections. if i just rotate the background the reflection stay the same...

see imagealt text

and i want to unlock the hdri resolution 512x512 is a bit to blurry, how can i do this? as you can see the background is really blurry i would like to have a sharp image, do i have to create a seperrate image(no hdri) as background and use the real hdri ligting in the postprocess volume(cube map)?

Product Version: UE 4.7
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hdri_ref.gif (2.2 MB)
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asked Jun 04 '15 at 12:22 PM in Rendering

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DarknesZ
114 10 15 19

avatar image DarknesZ Jun 08 '15 at 01:16 PM

seriously?!, is there no other way to achieve this??

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answered Jun 24 '15 at 08:33 AM

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DarknesZ
114 10 15 19

avatar image Fisher007 Jul 06 '15 at 04:28 PM

It asks for login details. Could you post the answer here please?

avatar image DarknesZ Jul 08 '15 at 11:24 AM

Just use a hdr image in an skylight, rotate the image in the material with parameters and recapture you the skylight component every time you up date the hdr image rotation.

can you follow?

avatar image Lovecraft_K ♦♦ STAFF Jul 09 '15 at 02:12 PM

Hi -

I corrected DarknesZ's link to a Public facing version of the answer. Let me know if you can still not access it.

Thank You

Eric Ketchum

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