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I was using substance with arnold4 MtoA.and using AlSurfce our workflow was good.now we are switching to MtoA Arnold 5.i coudnt get the same result in Maya2017 using Arnold5 .something wrong with the IOR value.
can any one help in this
Hey,
IOR is an export only for Arnold 4. Arnold 5 uses base color metalness, specular roughness, and normal map. here's a link
https://support.allegorithmic.com/documentation/display/integrations/Arnold+5+for+Maya
TED