Request for light layers

General questions about Indigo, the scene format, rendering etc...
neo0.
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Request for light layers

Post by neo0. » Mon Oct 05, 2009 7:44 am

Would it be possible to also adjust the color of the light, in addition to the intensities?

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benn
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Re: Request for light layers

Post by benn » Mon Oct 05, 2009 8:53 am

Hey neo0,

That's what the xyz parameters are for. They can be thought of as RGB parameters - they are from this colorspace:

http://en.wikipedia.org/wiki/CIE_1931_color_space

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matsta
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Re: Request for light layers

Post by matsta » Mon Oct 05, 2009 9:53 am

*cough*

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Borgleader
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Re: Request for light layers

Post by Borgleader » Mon Oct 05, 2009 10:17 am

matsta wrote:*cough*
?
benn hired a mercenary to kill my sig...

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psor
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Re: Request for light layers

Post by psor » Mon Oct 05, 2009 11:01 am

Borgleader wrote:
matsta wrote:*cough*
?
He did catch the flu so he's sick. And he is thinking that neo is sick too, cause he asks
for something that is already there. And since neo saw the new features of Maxwell 2.0
he thought it might be good to have those too. :mrgreen: :lol: :wink:





take care
psor
"The sleeper must awaken"

neo0.
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Re: Request for light layers

Post by neo0. » Mon Oct 05, 2009 4:47 pm

Well, ok.. Now that you mention it, I see it, but maybe a color preview for the resulting color from the 3 coordinates? All im saying is that it might be hard for a new user to get the color they are looking for quickly..

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psor
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Re: Request for light layers

Post by psor » Tue Oct 06, 2009 12:33 am

+1

That's a good request, so the color seeking is over. ;)





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pixie
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Re: Request for light layers

Post by pixie » Tue Oct 06, 2009 1:06 am

neo0. wrote:Well, ok.. Now that you mention it, I see it, but maybe a color preview for the resulting color from the 3 coordinates? All im saying is that it might be hard for a new user to get the color they are looking for quickly..
It's quite a different thing, this has the same results as if it was rgb, currently is as difficult as it as if you exchanged the xyz letters by rgb. If you tweak the units you see the same change you would if you were used to RGB. So you aren't exactly of new users, you're targeting those who never stared at a rgb slider before, for those it might a bit daunting to understand how adding a color works.

Still I would second your suggestion, so that one can have a rough estimate at least, since this xyz system is way more precise then a 256 color wheel can haver menage to be.

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PureSpider
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Re: Request for light layers

Post by PureSpider » Tue Oct 06, 2009 2:32 am

Well then, what if your layer has colored light or even better, a texture as light already?
The RGB field would be kinda super-useless then :lol:

neo0.
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Re: Request for light layers

Post by neo0. » Tue Oct 06, 2009 11:49 am

Is there some reason why the color selection has to be so nebelous (yep, I just did use that word).. Why not just make it straight forward?

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psor
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Re: Request for light layers

Post by psor » Tue Oct 06, 2009 12:06 pm

I don't see a reason for that. Nobody did ask for it ...
And if the emitter has a texture the color selection could shift the hue. ;)




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neo0.
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Re: Request for light layers

Post by neo0. » Tue Oct 06, 2009 1:53 pm

Oh right, kind of like the colorize option in photoshop..

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PureSpider
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Re: Request for light layers

Post by PureSpider » Tue Oct 06, 2009 8:23 pm

psor wrote:I don't see a reason for that. Nobody did ask for it ...
And if the emitter has a texture the color selection could shift the hue. ;)
Okay! Then tell me... my emitter is exported as blue, the RGB field is set to show yellow in the GUI... what is the final color of that layer then?!
I can't tell at first glance ^^

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psor
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Re: Request for light layers

Post by psor » Wed Oct 07, 2009 3:33 am

PureSpider wrote: Okay! Then tell me... my emitter is exported as blue, the RGB field is set to show yellow in the GUI... what is the final color of that layer then?!
I can't tell at first glance ^^
Erm, ... you're kidding me don't ya?! :mrgreen: :wink:


1. Why should an emitter that is exported blue be shown as yellow in the Light-Layer? Indeed that would be futile.
2. If you have a textured emitter and will shift the hue like in any image editor where is the problem?


Maybe I don't get ya, then you've to make your self more clear mate. :wink:



edit: Take a look at LuxRender's lightgroups, Maxwell's Multilight, fryrender's ...









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PureSpider
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Re: Request for light layers

Post by PureSpider » Wed Oct 07, 2009 7:25 am

Your light is exported blue -> XYZ = 0 -> white RGB preview...
Now you want to make your light yellow... what to set your sliders to, then?
Set them so that the field is yellow? Fail.

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