If the only thing being rendered was the point cloud, you could deactivate secondary rays and shadows in your mental ray rendering preferences for the render pass in question.
Matt Date: Fri, 2 Jun 2017 15:57:55 +0000 From: "Ponthieux, Joseph G. (LARC-E1A)[LITES II]" <j.ponthi...@nasa.gov> Subject: RE: point cloud render visibility To: "softimage@listproc.autodesk.com" Never mind. You have to select the box to the left of each point cloud render visibility item to make the boolean on the right switchable. Learn something new every day.... Joey ------ Softimage Mailing List. To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com with "unsubscribe" in the subject, and reply to confirm.