Quote - > Quote - I don't know if this will help you UHF but I did this one using only bloom in Reality. I just lowered the amount and radius until it looked right.

I don't think I've made it clear what my concern is.

 

A lot of my renders have 2D transparent mats. In other rendering engines, they stand out and appear to glow.

Look at this 'glowing' interface.  The colors are bright and they stand out.

http://www.renderosity.com/mod/bcs/g-i-cybernetic-holointerface/97036

My character is wearing the same Holo Interface on her left had wrist, but you can barely see it in this render.

http://www.renderosity.com/mod/gallery/index.php?image_id=2420524

 

These aren't simple meshes.  They are textured meshes.  I need to be able to see through the mesh where there is no colour.  I need those places where there is colour, I need it to be bright.

 

So far, I've only been able to use transparent mats to do this, but I find that it takes a disproportionate amount of light to really light them up like in that poser render.

Reality renders for these materials look faded, like in this render;

http://www.renderosity.com/mod/gallery/index.php?image_id=2414809&user_id=707942

That's because the other render engines are faking it, whereas Lux works like reality, so you need a light to shine on it, or it needs to emit light itself. The quickest way would be to add a screen layer post-render as per second suggestion I made above (added comments as quote below for ease of reference)

Quote - There are a couple of easy things you can do in post using layers - 1. new layer - paint over the area you want to glow with whatever colour you want the glow to be - apply gaussian blur to painted layer (usually something between 5 & 10 is enough to spread the edges as if disappearing into the surrounding area, but of course, set as preferred) - reduce opacity of painted layer to level that works for scene.

and/or

2. copy area(s) of render you want to glow into a new layer - adjust settings of new layer something as follows... brightness -60, contrast +60, saturate -60  ... next apply gaussian blur - set layer property to "screen" - adjust layer opacity to suit.

If you don't fancy either of these (the 2nd option would work best for digital display, especially as it will also brighten it up too), there are still another couple of things to try...

Maybe do a second render using 3Delight with identical camera set up etc of main render, but make everything in scene invisible except for the display - save as png, and overlay result with the main Lux render.

or

load another device into your scene,making everything on the duplicate prop invisible its display invisible that we turn into a Reality lightsource while the other "normal" display should keep the definition of the display intact.

or

load a couple of primitives to scene (plane for screen, cylinder for wrist display) - position and scale to sit behind displays - convert primitives to light sources and adjust to suit on-the-fly while rendering in Luxrender.

 

Well, that's my 2 cents worth... Personally, I'd do it in post-work in less than 5 minutes - but if I really wanted the extra light and shadows (e.g. highlights on clothing and face), then I'd add extra lights albeit this would be at the expense of bumping up the render times.

edit - just to add - either way, to get it to "feel" like it's glowing, even if I did use a render option to fix brightness, I'd almost certainly also use a screen overlay as well to get a popping glow.

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