Rendering with transparent makes every thing transparent

Development Rendering
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HI, Rendering with transparent makes everything black when and transparent when I activate Alpha write … how to solve that please.

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Hi there @hasszhm, hope you’re well!

This topic has been moved from International to Rendering.

When posting, please review the categories to ensure your topic is posted in the most relevant space.

Thanks and happy developing! :slight_smile:

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hey there.
sry about terrible English
i will tell in two language, if you cannot understant you can try to translate in sth.

You just say you open the alpha write, that cause you rendering all the black.
if you want to rendering sth with alpha tunnel, you need to use composure to combine things which you want to rendering in your video.
So you can find the education about the composure rendering to solve the problem.
下面是中文解释。或许或许会包含更多的信息。（more information under）
你提到用的是Alpha通道渲染，那么这个是造成你渲染出的成品都是黑色的根本原因， 因为你没有在任何地方将非透明区域添加起来。
因此，你需要使用composure合成进行alpha通道合成，具体操作建议寻找教程或官方文档，使用composure合成添加你想要渲染出的物体到图层，同时使用材质球与mediaplayer的方式进行合成就可以得到你想要的alpha透明通道。