The same material will appear darker on larger stones, and lighter on smaller stones due to the amount of material the light rays have to travel through.
VRAY MATERIAL HOW TO
Gemstone materials get their color primarily from the refraction fog color if you need to lighten or darken a custom cut virtual gemstone adjust the fog color and fog multiplier settings in the refraction section of the material (see the V-Ray Next manual for a complete description of how to make adjustments to the custom gemstone materials.Size, Color and Optical Performance Guidelines:.Scaling/resizing: ALWAYS USE UNIFORM SCALE when resizing a custom cut virtual gem - each virtual gemstone has been optically designed for a specific primary material and range of secondary materials - that optical performance only occurs when the facet angles are aligned correctly so to avoid loss of optical performance always use uniform scale.All of the materials included with this sample pack will work with any of the three custom cut virtual gemstones.20 Custom VRay Next Gemstone Materials - includes an assorted grouping of 20 custom V-Ray gemstone materials from the following groups: quartz varieties (amethyst, citrine, rose de France, smokey quartz, praisolite, rock crystal, rose quartz), beryl varieties (aquamarine, emerald, morganite, green beryl, heliodore), topaz varieties (imperial pink, imperial orange, imperial red, imperial yellow, london blue, sky blue, swiss blue ), tourmaline varieties (indicolite, rubelite, green, paraiba), garnet varieties (pyrope, almandite, spessartite, demantoid), and cubic zirconia**.Polygon Mesh Geometry in OBJ files - OBJ mesh geometry was created from the Rhino NURBS originals and utilize the least number of polygons necessary to generate the gemstone's facet shapes.
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