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• Stop - Ends the interactive session
• Flush Texture Cache - If you've altered textures and want to see the changes, flush the cache to update them in the session
• Render Selected Object Only - This will render only the objects that are selected in the viewport. Take care not to leave this on accidentally or you may consider this an error
• Camera - Specify the camera to render from (if not from the last active viewport)
• Resolution - Specify the resolution (test percentages, etc.)

Stopping IPR

When IPR is running, it can be stopped from the popup menu of the shelf button.

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The crop window tool can be sized/re-sized by drawing on the window or selecting the corners. Mouse dragging from the center moves the window and clicking outside the window negates it by setting it to the viewport size.

The PxrVisualizer Integrator is great for quickly navigating scenes, once deselected it returns to the previously chosen integrator.

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