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Reading Topic #5014
Newbie question:What are the circumstances when you use a gray scale in the alpha channel? I'd imagine the answer varies from locomotive to rolling stock to scenery item. I'm particular interest in the later right now but I figure any comments on the matter will be informative.TIA.
Dave NelsonWP mainline, Oakland-Stockton: 95% complete;
SP mainline, Oakland-Stockton: 20% complete;
Aug 1950 
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You use grays when you want semi-transperant effects like tinted or dirty windows. With a solid black in the alpha layer you get a hole.
NB for this to work the object has to be made to work with alphas and not transperacies. That is selected by the modeller when applying textures. If an object was made to have a texture with transperacy (black and white alpha layer) changing the alpha layer to grays will not work.
//Okrasa
Chief Engineer
okrasa @ xtracks.tk
http://www.geocities.com/okrasaghia
http://www.xtracks.tk
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