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Author Topic: Gunsight Alpha Channel  (Read 683 times)

Offline mason22

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Gunsight Alpha Channel
« on: July 03, 2002, 01:24:18 PM »
can't get it working...

anyone else? if so, please describe each step in getting it to work.

Also, i'm a photochop user and i have a hell of a time trying to get the index colors to be correct. I can get the RGB values fine, it's just getting the index colors to be assigned the right position in the color table...

Nate, Super, Ht, any tips here would be heplful! ;)
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Offline Mitsu

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Gunsight Alpha Channel
« Reply #1 on: July 04, 2002, 12:16:12 PM »
punt.
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Offline jconradh

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Gunsight Alpha Channel
« Reply #2 on: July 04, 2002, 01:26:12 PM »
>>PUNT<<

AND not to seem super dumb, but what advantage is there to using the additional alpha channels?  How do we use them?
I honestly would like to know as I am clueless.  It appears they have to add something to the sights so I need someone to explain it SLOWLY to me, LOL

:D

Jeff
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Offline Saintaw

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Gunsight Alpha Channel
« Reply #3 on: July 05, 2002, 01:09:14 AM »
punt!

I'd like to know too.
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Offline Innominate

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Gunsight Alpha Channel
« Reply #4 on: July 05, 2002, 02:20:53 AM »
Quote
Originally posted by jconradh
>>PUNT<<

AND not to seem super dumb, but what advantage is there to using the additional alpha channels?  How do we use them?
I honestly would like to know as I am clueless.  It appears they have to add something to the sights so I need someone to explain it SLOWLY to me, LOL

:D

Jeff


Alpha channel allows for partial transparency.  It's like the alpha slider in the gunsight setup, except every pixel gets it's own alpha value.
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Offline mason22

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Re: Gunsight Alpha Channel
« Reply #5 on: July 05, 2002, 07:17:11 PM »
Quote
Originally posted by mason22
can't get it working...

anyone else? if so, please describe each step in getting it to work.

Also, i'm a photochop user and i have a hell of a time trying to get the index colors to be correct. I can get the RGB values fine, it's just getting the index colors to be assigned the right position in the color table...

Nate, Super, Ht, any tips here would be heplful! ;)


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Offline jconradh

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Gunsight Alpha Channel
« Reply #6 on: July 06, 2002, 12:19:55 AM »
Quote
Originally posted by Innominate


Alpha channel allows for partial transparency.  It's like the alpha slider in the gunsight setup, except every pixel gets it's own alpha value.


OK , but how can this be used to an advantage?  So you can have more bold or darker sections of a sight?

Thanks again!

8^)

Jeff
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Offline Starbird

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Gunsight Alpha Channel
« Reply #7 on: July 06, 2002, 12:34:35 AM »
I tried making an alpha for the default sight.

I tried both black and white backgrounds, and both times it just made a dark looking sight.

I'm wondering now if the original sight needs to be changed. Not sure exactly. Going to experiment more this weekend.
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Offline Mitsu

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Gunsight Alpha Channel
« Reply #8 on: July 06, 2002, 06:23:42 AM »
Quote
Gunsights now accept a 64x64 256 gray scale file to control alpha. This file must be in the sights folder and named sightname_a.bmp with sightname being the name of the gunsight the alpha file is for.


Did someone try it?
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Offline Innominate

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Gunsight Alpha Channel
« Reply #9 on: July 06, 2002, 06:40:28 AM »
Doesnt seem to work at all.

What the alpha allows for is more realistic looking sights, where the brightest parts are completely opaque, but have a halo you can see through.  This can't be done without an alpha file.
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Offline Mitsu

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Gunsight Alpha Channel
« Reply #10 on: July 06, 2002, 06:55:41 AM »
Hmm.
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Offline jconradh

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Gunsight Alpha Channel
« Reply #11 on: July 07, 2002, 12:51:13 AM »
Quote
Originally posted by Innominate
Doesnt seem to work at all.

What the alpha allows for is more realistic looking sights, where the brightest parts are completely opaque, but have a halo you can see through.  This can't be done without an alpha file.


So if it was working how would you add an alpha channel?
I own Photoshop...
Should I just go into my big PS book?

Thanks...

Jeff
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Offline moot

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Gunsight Alpha Channel
« Reply #12 on: July 07, 2002, 06:56:09 AM »
The official AH help manuals do help.
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Offline hitech

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Gunsight Alpha Channel
« Reply #13 on: July 07, 2002, 08:36:22 AM »
Sorry about that, messed up the docs, the alpha chanel should be named  name_alpha.bmp instead of name_a.bmp .
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Offline Mitsu

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Gunsight Alpha Channel
« Reply #14 on: July 07, 2002, 09:39:23 AM »
Great info! Thanks HT. :)
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