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15 February 2007 91,010 views 3 Comments


Post Light comes as an XSI-Addon file. This means that you can either install it via the File->Addon menu in XSI, or you can simply just drag and drop the file into the viewport.

Note: This does not install the Post Light FXTree plug-ins. It only installs the Post Light monitor, and the PostLightPhong shader.

To install the Post Light FXTree plug-ins, open the script editor and type either:




Personally, I suggest that you use the FXNut_InstallPostLightUFOs__ToApplication command. This will install the PostLight FXTree plugins to the main Softimage directory that contains the other FXTree plugins. This will mean that you can find Post Light under the normal Plugins menu in the FXTree with all the others.

If you choose to install the plug-ins by using FXNut_InstallPostLightUFOs__ToUser then the FXTree plug-ins will be copied to a directory underneath the Post Light addon. In this case, the Post Light FXTree plug-in will appear underneath it’s own menu, and the Post Light Encode plug-in will appear under an additional menu. I’m not sure why these plug-ins appear under separate menus, and I’ve not been able to fix this. This is why I suggest you use the other command to install them in the application folder.


The first step is to uninstall the add-on from the main File menu. This will remove the Post Light Monitor and the PostLightPhong shader. It will not uninstall the FXTree plug-ins.

The method used to uninstall the FXTree plug-ins depends on whether you installed them using the ToUser command or the ToApplication command.

If you used the FXNut_InstallPostLightUFOs__ToUser to install the plug-ins:

             Navigate to the users addon directory e.g.


and delete the Post Light addon directory. This will remove the FXTree plugins (which are installed via the enclosed fx/ufos/ directory).

If you used the FXNut_InstallPostLightUFOs__ToApplication to install the plug-ins:

             Navigate to the users addon directory e.g.


and delete the PostLight.dll and PostLightEncode.dll files.

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  • Adam Seeley said:

    Hi, Any idea if this works in Xp 64 bit Soft 2010/2011/2011 sp1.



  • AndyN (author) said:

    Hi Adam,
    That’s a good question. I can’t see a reason why not, but it would need to be recompiled and I’m afraid I don’t have access to a Windows 64bit machine.

    It could only support phong based lighting models so it didn’t catch on as it probably wasn’t flexible enough for most pipelines. Anyway, as a result, I haven’t kept it up to date.


  • Moykul said:

    Brilliant tool! Thank you so much!

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