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Deviousness `anmari has been spreading her infectious positivity throughout our community for over 6 years. Throughout this time Ana has been at the core of all things devious, passionately developing an eclectic gallery, helping organise devmeets, participating in chat events and also recently completed dedicating her time as a Community Volunteer. We are absolutely delighted to bestow the Deviousness Award for May 2013 to `anmari, congratulations! Read More
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Sta.sh
Did you do something special to reach that kind of dispersion effect as seen on the geen and purple stones?
Das ganze Bild dreht sich um optische Effekte - ich bin noch auf der Suche nach Pleochroismus, den Rest können gute Renderer inzwischen.
I went for Yafaray to render the image because there I can define the amount of dispersion as desired. All 4 gems use the same dispersion value - so here's where the guessing begins:
a) The large stones might show more dispersion as the effect of dispersion is more visible when refracting through slightly rounded faces (added intentionally). Rounding is barely visible for the small stone.
b) The blue stone filters the orange tones, thus dispersion is less visible there.
a)+b) leave green and purple with 'good' dispersion.