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See the Render Options page in the Maxwell documentation.
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Number of threads
See the Render Options page (CPU threads) in the Maxwell documentation.
Global scale factor
Since the SI unit is a generic unit, the Global Scale setting in Maxwells render options lets you specify what you want a generic SI unit to represent. If Global Scale is 1 it means 1 SI unit = 1 meter. For example set the global scale to 0.01 and each SI unit will represent 1cm (100th of a meter). 0.1 will be 1 SI unit = 1dm. 0.0254 means 1 SI unit = 1 inch (since 1 inch is 2.54cm).
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It is crucial that you export your models at the correct scale - or your lighting will not look as intended and the depth of field of the camera will also be incorrect. |
Global attenuation factor
This parameter acts as a multiplier for the attenuation distance parameter of all the transparent materials in the scene. Modifying the global scale factor parameter (see above) changes the size/thickness of the objects when exported, so transparent objects will change appearance because light has to travel through more, or less distance. To avoid this, you can alter the global attenuation factor to keep the look the same, but the recommended workflow is to set realistic attenuation distances in your transparent materials, and leave this parameter at 1.
Motion blur type/Motion blur steps
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This setting allows you to save each emitters influence in a separate output, if you have enabled Multilight. For example if you have two materials with emitter components applied to some geometry, the render will output two image files in the formats you have specified in the output settings (Render>Pass options) . This option can be useful for compositing, to individually control the opacity and other filters applied to each emitters influence. Another option you have though is to enable Multilight and then simply import the resulting MXI file in one of the supported compositing applications which have a Maxwell render plugin (Nuke, After Effects, Photoshop). The MXI already contains separate light channels and so can be easier to manage, instead of having several files per frame (one file per emitter material in the scene).
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