From: A D (
Date: Fri Mar 05 2010 - 15:09:06 CST

I downloaded VMD 1.8.7 for Mac OS X and tried to access the MDFF plugin via 'package require mdff' but this results in an error message: "can't find package mdff". The plugin binary files are listed in the directory "/Applications/VMD". 
There is a in this directory. Is this the file I should be looking for? Do I need to run pkg_mkIndex for automatic recognition of this package? I tried but it did not really help. 
I know that this is a relatively new plugin but still, any help is greatly appreciated.