Contents Sources » Sources Creation » Surface SourcePrint page Surface Source A Surface Source can be created on any face of a geometry and uniformly emits light on each point of a surface. This section contains the following topics:Creating a Surface Source The Surface Source models the light emission of a source taking into account its physical properties as the flux, the spectrum, the emittance and the intensity.Understanding the Surface Source ParametersThis page describes the parameters to set when creating a Surface Source.Generating a Flux Variation File (*.json) using a scriptThe following procedure helps you use a script that Speos provides you to generate a flux variation *.json file that will be used to define a flickering Surface source. « Understanding the Ray File Source ParametersCreating a Surface Source »