est une propriété des matériaux assez commune. C’est le facteur de Fresnel correspondant lorsque l’incidence de la lumière est normale à la surface. On peut approximer ce facteur par la relation suivante.
property is a fairly common materials. this is the corresponding factor when the incidence fresnel light is normal to the surface. that can be approximated by the following equation factor.
is a property of materials enough town. This is the corresponding when Fresnel factor impact light is normal to the surface. You can approximate this factor by the following relationship.
of materials enough commune. C' is a property is the factor of corresponding Fresnel when the incidence of the light is normal on the surface. One can approximer ce factor by the following relation.