We can then open this file in any 2D art software we want and in most software the layers will be picked up by the software's internal layer system. Choosing multilayer will save each renderpass as a separate layer. The standard OpenEXR and “OpenEXR multilayer”. Just like the photographer using a raw file format when shooting images. One could say that OpenEXR is the raw file format of render output in Blender. The most versatile format available to us is OpenEXR. We also need to save our output in a file format that support all these passes. ![]() To maintain as much of this information as possible, we must select the passes that we want before we render. However, if we save our images in the default output format, PNG. Only difference is that as 3D artists we have even more control and data to work with if we want. Just like a photographer would use a RAW file format to access all the data captured when the photo was taken, a 3D artist uses these captured passes of data for maximum flexibility after the render has completed. The point that needs to get across is that we can use all this extra data in our post-processing to enhance our renders. This is not a complete list, there are many more and you could find them if you got to the “view layer” properties in the Properties panel and find the “Passes” section. Here are some examples of render passes that we may want to use. In cycles we can pick out these individual contributors and separate them. When we render an image, we collect certain information that combined will give us the final color of each pixel in the image. Related content: Render passes in Blender Cycles: Complete guide ![]() You can read a full guide on render passes in the article below. We will use the render engine Cycles for our example. ![]() To understand the amount of data that is output by Blender when we render, we need to investigate render passes. So, why can’t I just hit save, give my image a name and be done with it? Well, you could but you might lose valuable information hidden in your render. Change the file format to OpenEXR (Multilayer) in the top right corner.Ĭhoosing the right file format when saving a render.Once the render has finnished, go to Image -> Save or press Alt+S in the image editor that pops up.Start you render from the menu, Render -> Render image, or by pressing F12.To save the most possible data into your finished image render follow these steps:
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