vrimg file, you can use the VRImg to OpenEXR tool to convert the file to a scanline-based OpenEXR file. I was trying to change the size of the rendering area, the original size of the image is (1300x800)px, I want change to (2000x800)px (the red box area), but the rendering area does not become wider. In the Image sampler rollout, switch the Image sampler Type to Bucket as shown below.Optionally, turn on the Generate preview option so that V-Ray can generate a small resolution preview of the final result. However, OpenEXR files do support multi-channel output when the Memory frame buffer is turned off. You are also able to select a Multi-Channel OpenEXR as the output format. Note that if you choose an OpenEXR file, it will be a tiled file and not scanline-based, because Memory frame buffer is off. vrimg or OpenEXR file output file name, as shown above. Turn on the V-Ray raw image file option, and select a.Turn off the option Get resolution from 3ds Max, and then s et the desired resolution in the VFB, such as 30000 x 20000 shown below.Instead, it will be writing directly to disk. Turn off the Memory frame buffer option - this causes V-Ray to not allocate memory to hold the final image.Switch to the V-Ray tab and make sure that the V-Ray frame buffer is enabled.In the Common tab of the Render Setup dialog, set the 3ds Max output resolution to something small, like 100x100 pixels:.The Progressive sampler type is not supported for rendering out large images in this way.
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