The visual properties of the link. This element specifies the shape of the object (box, cylinder, etc.) for visualization purposes. Unique name for the visual element within the scope of the parent link. If true the visual will cast shadows. will be implemented in the future release. The amount of transparency( 0=opaque, 1 = fully transparent) Origin of the visual relative to its parent. The material of the visual element. Name of material from an installed script file. This will override the color element if the script exists. URI of the material script file Name of the script within the script file vertex, pixel, normal_map_objectspace, normal_map_tangentspace filename of the normal map The ambient color of a material specified by set of four numbers representing red/green/blue, each in the range of [0,1]. The diffuse color of a material specified by set of four numbers representing red/green/blue/alpha, each in the range of [0,1]. The specular color of a material specified by set of four numbers representing red/green/blue/alpha, each in the range of [0,1]. The emissive color of a material specified by set of four numbers representing red/green/blue, each in the range of [0,1].