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Florescent tube
show user profile  herfst1
Hi, I'm trying to create a florescent tube (if that's what you call it) for the sides and front of my BMW i8 that glows an orange for the entire strip.

I tried making a cylinder with self-illumination (I know, dumb) but that didn't work. So I tried some omni's but they give individual beams as seen in the picture. Sure, I could paste a whole row of them but I'm sure there's a better way.

I also thought of making a box with a rectangular strip cut out then placing the omni (or most appropriate light) inside but... I'm sure there's an extremely simple way of doing this that I don't know about.

Any help would be gratefully appreciated.



read 329 times
2/1/2012 7:08:21 PM (last edit: 2/1/2012 7:08:21 PM)
show user profile  mike_renouf
If you are using mentalray then you can use photometric area lights. Should work fine. Alternatively the self illumination should be good. Use arch+design material with self illumination activated and check the box called "final gather contributes to illumination" or something like that.




read 314 times
2/1/2012 7:36:52 PM (last edit: 2/1/2012 7:36:52 PM)
show user profile  herfst1
Okay, cool. Thank you for that.
read 311 times
2/1/2012 7:45:57 PM (last edit: 2/1/2012 7:45:57 PM)
show user profile  herfst1
BTW self-illumination didn't give me enough light so I used a photometric sky portal instead. Had to bump the multiplier up a lot to get a decent result (will post in WIP). Thanks once again.
read 296 times
2/1/2012 8:37:07 PM (last edit: 2/1/2012 8:37:07 PM)
show user profile  mike_renouf
Just for your info, self illumination should give you as much light as you need. You'll have to adjust the intensity of the texture illumination and your exposure level to get full control.




read 273 times
2/2/2012 1:52:26 PM (last edit: 2/2/2012 1:52:26 PM)
show user profile  CAD Monkey
yup - what Mike said.



Today is a gift, and tomorrow is not a promise, so love life!



read 265 times
2/2/2012 2:20:36 PM (last edit: 2/2/2012 2:20:36 PM)
show user profile  jareu
What I usually do for neon and electroluminescent looks, is put a gradient material in diffuse, set the colour for both tabs to be the same so that the gradient appears as a solid colour. in output set output amount to something like 5.

Assuming you're using Mental Ray, in Renderer Tab (in Render Setup) make sure you check 'Output' next to DefaultOutputShader (Glare).

Press Render.

You can set the Output amount whatever you want for stronger or weaker glow. Also, try instancing that gradient map with the self illum slot for a different effect.



He who says it cannot be done is interrupting the man doing it.

read 260 times
2/2/2012 2:38:25 PM (last edit: 2/2/2012 2:38:25 PM)
show user profile  herfst1
Thanks for the responses, now I got three ways of doing it :) Not sure which will give the best result, gonna have to try them all.
read 250 times
2/2/2012 3:14:53 PM (last edit: 2/2/2012 3:14:53 PM)
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