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Importing solids from AutoCAD .dwg files
Posted by MaxStation, 10 February 2012 12:00 am
How to control the tessellation of solids when you import AutoCAD .dwg files?
In AutoCAD you control how smooth an object is rendered using the FACETRES variable, which can be set to values from 0.1 (very rough) to 10.0 (very smooth), see FACETRES in the online AutoCAD help. This value is not used when you import a file in 3ds Max.
Instead you get the 'Maximum deviation for 3D solids' field:
The higher the deviation is set the rougher the model (as it uses fewer triangles) and the lower the deviation is set the closer the result of the tessellation will be to the original model (and it uses more triangles).
Make sure the setting is high enough so you get the details across (the resulting model size can help you set a sensible value).
The same setting is available when you filelink in a file: you configure the value in the preset that you use to import the file.
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1 Comment
MaxStation
Posted 13 February 2012 7:09 am
Do work work in mm? I found that will units set to mm the smallest value i can use is 0.1mm, set it to generic and it allows 0.001 (with the same system units: set to meters, not rescaling). On small objects that the difference between way too rough and very smooth... I'll contact you separately regarding the filelink issue.
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