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This page provides information on using the V-Ray Frame Buffer for post-production of EXR images rendered in Chaos Cloud.
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Overview
See how to save the color corrected image from the VFB below.
Generating Different Types of Images with VFBChaos Cloud supports all output image formats on the 3D host app, except for Deep EXR, Tile EXR, TIFF, and TGA. If you need an image output in one of the unsupported formats, you can do the following:
Applying Color Corrections to EXR Images Rendered in Chaos CloudBy default, Chaos Cloud rendering generates an EXR and JPG versions of render jobs submitted to Chaos Cloud, unless another format is set within the settings of the 3D editing platform used. The EXR image can then be loaded within the VFB to apply color corrections manually or using a saved preset. If you have enabled the Include additional JPG output toggle in the Options page, Chaos Cloud rendering generates an additional high-quality JPG file for your output at no extra cost.
ManualTo apply corrections manually, you first have to load the EXR image within the VFB. This is done through the File > Load image option inside the VFB. The layers Layers panel is exposed by default. You can use different layers to add some color corrections and adjust the appearance of the image as you wish.
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- For V-Ray 3.6 for Rhino, SketchUp, and Revit, any color corrections are exported to a .vccglb preset file, contained in the render output archive, which you can download from Chaos Cloud.
- In V-Ray Next and V-Ray 5, color corrections are written directly to the .vrscene file and rendered on the cloudCloud. However, you can save and load Layer presets in the VFB as .vfbl files, if needed.
To save a color corrections preset in V-Ray 3.6, left-click on the Globals... button on the corrections control panel, and select Save. To load a saved preset, select Load.
Separate color corrections can also be saved and loaded using the
buttons. Once a preset is applied, you can use the Save current channel () button to save the image in the format of your choice....