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You can preview your render interactively via RenderMan's Image Tool or Render View.
Using Image Tool
Set Display Device to it (the default)
TODO: new image of ROP node
Using Render View
TODO: new image without AOVs
Go to Render View. Select your output, e.g. /out/ris_ip1. And press Render.
Crop Window
TODO: Does this work?
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