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Athey — How to make 16 Color Image by-nc-nd

Published: 2009-04-01 17:50:48 +0000 UTC; Views: 5266; Favourites: 15; Downloads: 188
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Description Quick and dirty tut or photoshop, instructing how to make your image a specific number of colors.

This is used in game texture optimization.
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Comments: 14

AIBoobPicsForSale [2009-12-15 10:41:27 +0000 UTC]

This came in handy for me recently; I'd always been using that terrible Image -> Adjustments -> Posterize function (and then messing with other adjustments to fix the colors) to reduce the palette, when this does it perfectly the first time.

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noxfoxArts [2009-09-26 08:09:19 +0000 UTC]

thanks, it looks easy explained this way (especially for forcing colors)

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Tristans-letter [2009-06-20 13:42:12 +0000 UTC]

Thank you, thank you, thank you...I've been trying to figure out how to do this without loosing much image quality this makes my day.

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oktow [2009-04-02 15:54:05 +0000 UTC]

nice tut

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Sasajun [2009-04-01 20:19:15 +0000 UTC]

wow! you taught me something (again) today! Very useful actually, You can do more the n16?

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Athey In reply to Sasajun [2009-04-01 21:01:11 +0000 UTC]

You can set the number to anything. 16 just compresses in our proprietary texture converter software best and makes the files very small.

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Sasajun In reply to Athey [2009-04-02 00:16:59 +0000 UTC]

AH! Lets say i put it to two, would it set to two colors (Lets say Pink and yellow) ?

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Athey In reply to Sasajun [2009-04-02 04:25:30 +0000 UTC]

It'll pick the two most dominate colors, but you can go in and specify exactly which two colors you want to use by going into the Custom pallet window.

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Hiuki [2009-04-01 18:52:57 +0000 UTC]

You forgot to add that the first colour is the transparency colour

Or... well... that's how it works with us

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Athey In reply to Hiuki [2009-04-01 19:11:29 +0000 UTC]

We use alpha channels if we have transparency, and use this 1st party proprietary program called Optipix to compress it properly so the engine reads it.

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Hiuki In reply to Athey [2009-04-02 19:10:14 +0000 UTC]

Oh cool

We can only use a couple of alpha maps per game because of the size of them Instead, if we want transparency, we use this nasty 'true pink' (255,0,255) and then set that as the first colour in our colour pallettes, and then the code reads that as transparent. Unfortunately we can't get semi-transparent, which was hard adjusting to when I first started out there

Optipix - Can anyone get a hold of that? If so, I might have to ask at work about it, if we could use something like that, it'd make life so much easier

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Athey In reply to Hiuki [2009-04-02 20:45:04 +0000 UTC]

Like I said, Optipix is a 1st party proprietary software - it's owned by sony and written for the PS2, & PSP

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Hiuki In reply to Athey [2009-04-05 15:48:27 +0000 UTC]

Ah, sorry, I was having a thick day

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mesod [2009-04-01 18:13:40 +0000 UTC]

thanks

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