[SItoA] Installing the alShaders in Softimage

Here’s how to install third-party, SPDL-based shaders, like alShaders, so that you can use them with SItoA. You could install them in a separate workgroup, but for simplicity I’m going to show how to install them in the SItoA workgroup.

In these instructions, $AL_SHADERS is the location where you extracted the alShaders download. For example, C:\solidangle\alShaders\alShaders-win-0.4.0b18-ai4.2.0.6.

$SITOA_WORKGROUP is the SItoA workgroup location. For example, C:\Users\StephenBlair\softimage\workgroups\sita-3.3.0-2014.

  1. Copy the alShader DLLs from

  2. Create a spdl folder in your Addons\SItoA\Application folder:

  3. Copy the alShader spdl files from

  4. Restart Softimage. The alShaders should show up in the Render Tree preset manager, and assuming that your version of alShaders is compatible with your SItoA, they’ll work in a render too.

Tip Don’t create an alShader from the Arnold > DLL Shaders menu; it won’t pick up the SPDL and you’ll get a raw PPG (and a raw render tree node too).

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