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Howto:Multi-channel lightmap: Difference between revisions
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For the alpha channel, duplicate the | For the alpha channel, duplicate the greyscale layer that you want to convert to the alpha channel. | ||
[[File:Tutorial 06.jpg|400px|Duplicate greyscale for alpha conversion]] | [[File:Tutorial 06.jpg|400px|Duplicate greyscale for alpha conversion]] | ||
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[[File:Tutorial 11.jpg|400px|Copying results to new layer]] | [[File:Tutorial 11.jpg|400px|Copying results to new layer]] | ||
While there may be other ways to do this step, I used a mask to add the alpha channel created previously back in. The order here is tricky. First add a layer mask for the alpha channel to be copied into later. | While there may be other ways to do this step, I used a mask to add the alpha channel created previously back in. The order here is tricky. First add a layer mask for the alpha channel to be copied into later. | ||
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Select Black (full transparency). | |||
[[File:Tutorial 13.jpg|400px|Add layer mask details]] | |||
Copy the greyscale layer you want to put in the alpha channel to the clipboard. | |||
[[File:Tutorial 14.jpg|400px|Copy the alpha layer]] | |||
Once copied, select the mask side of the 3 color channel image. Make sure it is highlighted. | |||
[[File:Tutorial 16.jpg|400px|Selecting the mask, make it active]] | |||
Then paste the clipboard back to the list. | |||
[[File:Tutorial 17.jpg|400px|Paste the copied alpha layer]] | |||
Now anchor the pasted layer to the selected mask. | |||
[[File:Tutorial | [[File:Tutorial 18.jpg|400px|Anchor the pasted alpha layer to the mask]] | ||
That is it, you now have a four channel lightmap with up to four differnet light configurations per channel to use in FlightGear. | |||
[[File:Tutorial 19.jpg| | [[File:Tutorial 19.jpg|800px|The finished four channel lightmap with included alpha channel mask (rgba)]] | ||
[[File:Tutorial 20.jpg|thumb|Close up visual of final four channel lightmap ready for export to FlightGear]] | [[File:Tutorial 20.jpg|thumb|Close up visual of final four channel lightmap ready for export to FlightGear]] | ||