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RE: Lighting Effects



Sorry, only just seen this:

>Wondering if anyone out there knows the best way do the effects where
>you wash a wall with light and then adjust the colour of the light.

As always there are a number of ways of doing this. Basically to achieve
this you need a light source, and a movable gel (coloured film) You could
then rotate the gel in front of the light source at a chosen speed, and the
wall will change colour. (ideally the gels would be on a graduation basis,
to provide the movement of colour) (or a number of gels that could be mixed
together)

>I assume you need light sources of different colours which you then ramp
>up and down to achieve the desired effect.

You can do it this way, IMHO this can look odd, as the light source will
appear to move.

>But how do you keep the level of light consistent? If using three
>colours I suppose you could set the max level to be one source full
>on....then if you increase colour A by X you decrease B and C by half X,
>does this make any sense?

It does, it depends on the colours you wish to change between, as depending
on how dark the colour is will directly change the amount of available light
in a room.

>Final question would it be possible to use two colour rope lights to do
>this so for example you could have a red/white rope and a blue/green
>rope. You use the white to boost brightness/intensity and the other
>three to produce the specific colour you want. have the whole thing
>shining through a difuser. Would this work or am I talking total
twoddle;)

Unfortunately not, you would find it difficult to mix the colours in this
way, as the bulbs will be in different places, and mixing light is very
difficult!!

Take a look at www.Martin.dk for some wonderful lighting products.
(robocolors would offer this kind of effect)
http://www.martin.dk/product/product.asp?product=robocoloriix

Also have a look at optikinetics, these may well be able to do what you are
after. http://www.optikinetics.com/IndexA.htm

Also depending on how you want the effect to look, Fibre Optic lighting
would do this kind of effect.

HTH

Daniel



-----Original Message-----
From: Rob Mouser [mailto:rmouser@xxxxxxx]
Sent: 27 May 2002 14:54
To: ukha_d@xxxxxxx Subject: RE: [ukha_d] Lighting Effects


Hi Mick

Did you get this one sussed?

Rob

-----Original Message-----
From: Mick Furlong [mailto:hiltoneltd@xxxxxxx]
Sent: 20 May 2002 01:04
To: ukha_d@xxxxxxx Subject: [ukha_d] Lighting Effects


Wondering if anyone out there knows the best way do the effects where
you wash a wall with light and then adjust the colour of the light.

I assume you need light sources of different colours which you then ramp
up and down to acheive the desired effect.

But how do you keep the level of light consistent? If using three
colours I suppose you could set the max level to be one source full
on....then if you increase colour A by X you decrease B and C by half X,
does this make any sense?

Final question would it be possible to use two colour rope lights to do
this so for example you could have a red/white rope and a blue/green
rope. You use the white to boost brightness/intensity and the other
three to produce the specific colour you want. have the whole thing
shining through a difuser. Would this work or am I talking total
twoddle;)

Mick



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