Method for calculating an optically relevant motor vehicle component having a light-scattering surface, comprising the following steps: a) selecting a predeterminable BSDF distribution of the light-scattering surface of the optically relevant motor vehicle component, the light-scattering surface being composed of light-scattering micro-optical elements (3a, 3b,...3x'), b) selecting the information as to whether the light-scattering surface has either an exclusively reflective light-scattering effect or whether a transmitting component is present, wherein in the case of the presence of a transmitting component a step b1) also follows, according to which a material from which the surface is composed is selected in order to take the refractive index into account, c) selecting a parameter specifying the size range of the micro-optical elements (3a, 3b,...3x) from a predeterminable selection range, d) calculating different shapes of micro-optical elements (3a, 3b,...3x') and their quantity distribution according to an algorithm to obtain the BSDF distribution selected according to step a), taking into account the selected size range according to step c) and, if appropriate, the optical properties of the material according to step b1), the surface according to step a) being composed of a plurality of micro-optical elements (3a, 3b,... 3x') which are composed of the material according to step c), wherein the algorithm comprises the following substeps: d1) drawing at least a part (I(90°)) of the BSDF distribution, d2) dividing the distribution according to step d1) into angle-dependent subregions, d3) calculating the geometric shape of the reflection or transmission surfaces of micro-optical elements (3a, 3b,...3x') for each sub-region, d4) determining the quantitative proportion of micro-optical elements (3a, 3b,...3x') for each sub-region as a function of the value of the distribution function for the sub-region, d5) randomized distribution (Pa, Pb,...Px) of the micro-optical elements (3a, 3b,...3x') determined according to step d4) on the surface of the optically relevant motor vehicle component, e) outputting the calculation result according to step d) in the form of digital data. a) selecting a predeterminable BSDF distribution of the light-scattering surface of the optically relevant motor vehicle component, the light-scattering surface being composed of light-scattering micro-optical elements (3a, 3b,...3x'), b) selecting the information as to whether the light-scattering surface has either an exclusively reflective light-scattering effect or whether a transmitting component is present, wherein in the case of the presence of a transmitting component a step b1) also follows, according to which a material from which the surface is composed is selected in order to take the refractive index into account, c) selecting a parameter specifying the size range of the micro-optical elements (3a, 3b,...3x) from a predeterminable selection range, d) calculating different shapes of micro-optical elements (3a, 3b,...3x') and their quantity distribution according to an algorithm to obtain the BSDF distribution selected according to step a), taking into account the selected size range according to step c) and, if appropriate, the optical properties of the material according to step b1), the surface according to step a) being composed of a plurality of micro-optical elements (3a, 3b,... 3x') which are composed of the material according to step c), wherein the algorithm comprises the following substeps: d1) drawing at least a part (I(90°)) of the BSDF distribution, d2) dividing the distribution according to step d1) into angle-dependent subregions, d3) calculating the geometric shape of the reflection or transmission surfaces of micro-optical elements (3a, 3b,...3x') for each sub-region, d4) determining the quantitative proportion of micro-optical elements (3a, 3b,...3x') for each sub-region as a function of the value of the distribution function for the sub-region, d5) randomized distribution (Pa, Pb,...Px) of the micro-optical elements (3a, 3b,...3x') determined according to step d4) on the surface of the optically relevant motor vehicle component, d1) drawing at least a part (I(90°)) of the BSDF distribution, d2) dividing the distribution according to step d1) into angle-dependent subregions, d3) calculating the geometric shape of the reflection or transmission surfaces of micro-optical elements (3a, 3b,...3x') for each sub-region, d4) determining the quantitative proportion of micro-optical elements (3a, 3b,...3x') for each sub-region as a function of the value of the distribution function for the sub-region, d5) randomized distribution (Pa, Pb,...Px) of the micro-optical elements (3a, 3b,...3x') determined according to step d4) on the surface of the optically relevant motor vehicle component, e) outputting the calculation result according to step d) in the form of digital data.