Rafal 'Raf256' Maj:
> This white dots are probably artefacts - shouldn't this dots join and
> create single shape of caustics ? Maybe increase photons (or change from
> count xxx to spacing yyy method)
This dots come due the usage of the area light and the area_light statement
in the photon block, so that it looks like 100 unique lights. You are true,
if I comment out the area_light statement then I get a more or less single
shaped caustic, but I thought it looks more interesting this way. The spots
in front of the picture near of the tip of the pen are reflections by the
metal particles inside the glass thing. Photon settings are quite high (used
spacing method already; took in this render about 2.5 hours just for the
photons).
...... dave
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