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manual/composite_nodes/types/converter/alpha_convert.rst
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| Alpha Convert | Alpha Convert | ||||
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| TODO - see: https://developer.blender.org/T43469 | .. figure:: /images/composite_node_convert_alpha_convert.png | ||||
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| This node convert the alpha channel interpretation of an image with an alpha channel. | |||||
| From premultiplied to straight or from straight to premultiplied. | |||||
| Straight alpha channel stores transparency information only in the alpha channel and not in any of the visible RGB channels. | |||||
| On the other hand, premultiplied alpha channel stores the transparency information in the alpha channel and also in the visible color channels, which are multiplied with a background color. | |||||
| Premul to Straight | |||||
| Convert the image's alpha channel interpretation from premultiplied to straight. | |||||
| Straight to Premul | |||||
| Convert the image's alpha channel interpretation from straight to premultiplied. | |||||
| Image | |||||
| The input image with alpha channel. | |||||
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