advanced rendering for AutoCAD
I have downloaded the full material library awhile back. Up until recently, I have had no problems, until I tried to use the Acoustic Ceiling tiles. None of these will load. I have noticed in the command line that any of these materials are returning a "0" instead of a "1", but otherwise there are no error messages, the material simply just doesn't load.
However, I was able to find the cause and get the materials to load; I had to rename the actual file names and remove the comma's. So, it appears that nXt does not like comma's in the file name?
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I think the commas are fine-- it's probably something else. I'll look into it. Which mechanism are you using to load the material (e.g. drag and drop, the folder button on the material tab, etc.)?
The material library I think you are referring to is a conversion of AR4 materials. Yes, there are some materials that will not load correctly because of how they are named. If the name has an apostrophe, quote ( ' or " ) or comma, it will not work. As you've figured out, Just renaming them first fixes the problem.