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Alpha Channel Tutorial (view source)
Revision as of 21:07, 16 September 2008
, 21:07, 16 September 2008no edit summary
Click on Color Range. Make sure all the options are set like this :
Click on Color Range. Make sure all the options are set like this :
This way is only if you want to mark exactly a specific/definite color. It will mark what color you select, but it will mark EVERYWHERE that this color exist on the image. Now click inside of the object on the image. Now you see what you have marked. The white is marked, the black not. As you can see the letters “NO” have very sharp edges. To select a object that is made of color that vary a little bit or just to make the edges more smooth you need to use the Fuzziness slider. Experiment with it to see what suits your needs best. Now click “OK” button.
This way is only if you want to mark exactly a specific/definite color. It will mark what color you select, but it will mark EVERYWHERE that this color exist on the image. Now click inside of the object on the image. Now you see what you have marked. The white is marked, the black not. As you can see the letters “NO” have very sharp edges. To select a object that is made of color that vary a little bit or just to make the edges more smooth you need to use the Fuzziness slider. Experiment with it to see what suits your needs best. Now click “OK” button.
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Those were some ways of making/selecting parts of a image. Use whatever way you prefer, and mark what you have need. I will mark the letters like this :
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Now you need to copy the selection to the real file you will use. So, click copy.
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If you don’t know how to make a new file and add an alpha channel in it, I will tell you one easy way to do this. Open one file from the original “.TGA” files from the game depending of what you want to build, a decal, component skin, arena skin, etc. In this case will be a decal. Click open and go to “…\RA2\Texture Library\decals”, choose the “Gear.tga” and click “OK”. You are now working in a new document. Click Select>All.
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