Installing xop2.4 extensions
----------------------------

ShadowVUI 
=========

ShadowVui is the package for ray-tracing x-ray optics. 
It contains the binaries for Shadow.

   UNIX:      
      Download shadowvui1.12_<arch>.tar.gz to $XOP_HOME/extensions
      tar xvfz shadowvui1.12_<arch>.tar.gz
      Restart XOP and Xop->Load extension... Select shadowvui and enjoy!

   WINDOWS:
      Download shadowvui1.12_Windows.zip (to Desktop, for example)
      Open the zip file and install the shadowvui folder to
         $XOP_HOME\extensions (usually C:\Program Files\xop2.3\extensions)
      Restart XOP and Xop->Load extension... Select shadowvui and enjoy!

   NOTE: since shadowvui1.11 we use shadow3. Shadow2 is not longer packed