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{"body": "Thanks for your answer, Greg.\n\n\nThere are no mirror or prism surfaces in this scene.  Just glass and\nplastic.  So this is weird, then.\n\n\nI did notice this behaviour on previous projects where we had\nthousands of light sources, but didn't look into it back then.\n\n\nCheers\n\n\nAxel\n\n\n\n\nOn 20 February 2017 at 17:18, <NAME> <<EMAIL> at <EMAIL>> wrote:\n___\n<sup>Automatically generated content from [radiance mailing-list](https://radiance-online.org/pipermail/radiance-general/2017-February/012040.html).</sup>", "attachments": [], "created_by_name": "<NAME>", "created_at": "February 20, 2017 at 09:28AM", "created_by": "Axel_Jacobs", "parent_id": "radiance-general_012038", "id": "radiance-general_012040"}