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Unity - Scripting API: TextureImporterAlphaSource
Version: Unity 6.5 (6000.5)
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    TextureImporterAlphaSource

    enumeration

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    Description

    Select how the alpha of the imported texture is generated.

    Properties

    Property Description
    NoneNo Alpha will be used.
    FromInputUse Alpha from the input texture if one is provided.
    FromGrayScaleGenerate Alpha from image gray scale.

    Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

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