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Having problems when using Gaussian Blur with Spot Colors

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Nicolas Cave

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Jan 20, 2003, 5:18:26 AM1/20/03
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I don't know if anyone else has noticed this problem but when you use a spot color and apply gaussian blur to it, Illustrator seems to treat this as CMYK when sent through to a RIP. I actually solved this problem with feathering rather than blurring but is it just my imagination or is it a bug?

Brian C. Carter

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Jan 20, 2003, 10:53:31 AM1/20/03
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As far as I know that's the way it is designed to work. Spot colors are tricky as a lot of the newer things in Illustrator (transparency, gaussian blur) convert spot to cmyk. Just the way it works. I personally wish they would either bring up a warning before saving, or not allow you to do it without manually converting to process. Perhaps Teri can shed some light on why things are the way they are?

Good to know feathering keeps the spot color spot. Would have thought that included in the "converting to process mode" group.

Another workaround used often is to create whatever blurred or transparent object you want in black, put it in front of a solid spot object and use the black as an opacity mask (details in help, or search this board).

Dr Senbei

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Jan 21, 2003, 10:25:08 AM1/21/03
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why is like this? i do not understand why adobe does not fix!!! i spent many hours working out this problem. it is not a program for graphics?

Nicolas Cave

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Jan 22, 2003, 12:23:40 PM1/22/03
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What exactly happens that makes illustrator behave in this way? And what can be used (and what can't) without affecting the spot colors of the image?

N

Rocio Moguel

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Oct 21, 2020, 11:24:34 AM10/21/20
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On Wednesday, January 22, 2003 at 11:23:40 AM UTC-6, Nicolas Cave wrote:
> What exactly happens that makes illustrator behave in this way? And what can be used (and what can't) without affecting the spot colors of the image?
> N
It's 2020.
I just ran into this exact problem. WTF, Adobe?
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