It's a simple matter to have a Python script trigger a render from Poser 11, in a specified sender-engine, thus....

scene.SetCurrentRenderEngine(poser.kRenderEngineCodePREVIEW)
scene.Render()
scene.SaveImage("png", "C:\Users\My_name\render.png")

But let's assume that the user already has a saved and named render preset for that engine. Can this saved preset also called, by name and file-path? If so, how, please?

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Learn the Secrets of Poser 11 and Line-art Filters.