Cycles - glare/bloom isn't working?

Question

Ok, Im very new to nodes with the actual render but Im trying to do what these people did, just get a basic glow around my emissive materials: unity animate object transform into another How do I get the Glare node to output transparent instead of Black background

Maybe Im not understanding something basic but here's my node setup:

And, both just in viewport when I hit Render and then when I actually render out an image, nothing is remotely glowing:

those image planes are emissive - they aren't glowing any more than before. Whats wrong herE?

Hello, I actually dont really know whats going on here as it seems that you have everything set up correctly. Try adding a simple sphere or plane into the scene and setting up with emitter properties, then see if the glare works on a raw object rather then the image. or try checking your layers and scenes and making sure everything is aligned there. Good luck. — Aplan Studios, Jul 30 '18 at 3:07

Emil · Accepted Answer · 2018-07-30 08:27:54Z

8

Here I created an example Scene with your node Setup (without any glowing effects)

Here I just switched the positions at of the input the Alpha-over node and then it worked

answered Jul 30 '18 at 8:21

Emil

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$\begingroup$ Also work in Blender 2.8 beta. $\endgroup$ – Jasper Citi Jan 20 '19 at 6:32
$\begingroup$ Why do we need the alpha over node? Doesn't the glare node already mix the original image with the fog-glowed one? In other words, the output of the glare node is identical to the output of the alpha over node? $\endgroup$ – Dazotaro Apr 27 '19 at 22:11
$\begingroup$ you don‘t necessarily need it but I wanted to build my example as close as possible to the question of the original poster $\endgroup$ – Emil Apr 28 '19 at 8:23

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