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    rhdgs
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Funky color cross fades with RGB Lights.....

I was wondering if any one could help me with this.....

I have programed our cyc for an upcoming production as two RGB custom fixtures and am able to use the color picker and gel picker to choose cyc colors on traditional fixtures. Very cool and impressive to all who walk over an see me click a color to have it appear on the cyc. Even the audio guy said ohh cool. 

However the problem is when cross fading between some colors I get odd other colors.

For instance, When fading from light blue to pink (R2, G55, B100 or H207, S98, B100) to Pink (R40 G.4 B20 or H329, S99, B40) It fades through dark blue? Dark blue not so bad since it does not pull focus.

However in another scene I have a 10s color fade from a blue(ish) (R1, G12, B100 or H233, S99, B100) to a dingy amber (R54, G64, B32  or H79, S50, B64) and in that fade the whole cyc goes through green for 2 sec not so attractive. 

I think I saw on this forum something about Hue Sat vs RGB color mixing.... How do I force this custom fixture to crossfade in RGB? or can I creat some sort of curve to fix this... if so how?

To be thourough I am using L106, L119 & L189 as my RGB Colors and running ver 1.4.5.9.0.5

 

Thank you all for the help!

PS I have had the same issue with RGB LED just never when I had time to fix it or get help.

-R

 



[edited by: rhdgs at 1:39 PM (GMT -6) on Wed, Jul 8 2009]
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  • I have this same issue with CMY fixtures. I tend to work in CMY space rather than HSB, don't ask me why...it's habit, and I know I should get over it!

    To force my fixtures into CMY, I have a macro that says Cyan Magenta Yellow Make Absolute, so when I've Color Picked my color, I hit my macro to force the values to CMY, then save this as my Color Palette. This seems to work for me and you could easily syntax RGB instead of CMY.

    Great idea though, using the RGB function to color mix your cyc from generic fixtures....might be trying that myself next week!

    Warren.

  • in reply to warrenl

    Yea it worked really well. As a side note using the colors above I set the range on the red chanel to 65 to give me a down and dirty white balance and the results was very useful. 

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