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How to blur far objects?


How to make blurring to objects, that located far from us? I need to blur some objects, that are not in current map, ie, I need to blur all objects, that a far from borders of current floor.

I have made something like https://youtu.be/F-uBfc2T24g but in my example is too sharp transition and when char is outside post processing volume, all far objects visible well, what is incorrect.

Product Version: UE 4.12
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asked Jun 21 '16 at 09:33 AM in Using UE4

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Arthur Khusnutdinov
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3 answers: sort voted first


Its called Depth of FIeld (DoF for short). You can also blur objects that are close to you!

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answered Jun 21 '16 at 11:25 AM

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You're going to want to adjust your Near and Far Transition in order to soften the transition. Adding distance will soften the transition. Subtracting distance will sharpen the transition.

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answered Jun 21 '16 at 12:49 PM

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avatar image FrostedSentry Jun 22 '16 at 01:01 PM

How are things going? Did this clear things up?

avatar image Arthur Khusnutdinov Jun 22 '16 at 01:54 PM

Still sharp transition, not solved...

I need it to blur some objects outside the map, but when my person is outside post process volume, all objects outside the map are good visible (that's wrong!). But when character is entered post process volume, all all objects outside the map are blurred...

I still can't make this without sharp transition...

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Put an plane before the far objects you want to blur. Apply a texture to this plane with a SpiralBlur - SceneTexture node. Distance (S) at 0.005. Put the Result in Emissive and SceneColor to opacity.

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answered Oct 06 '18 at 01:51 PM

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