A visual modelling system, comprising: a first scan data set associated with a subject; a structure having a plurality of addressable lighting elements; a second scan data set associated with the location of the addressable lighting elements on the surface of the structure; a processor-based image processing system including a data receiving module to receive the generated first scan data set, and a mapping engine to relate the first scan data set to positionally corresponding lighting elements on the structure as defined by the second scan data set; and an electronic lighting control system including a power source and a lighting controller in communication with the plurality of addressable lighting elements, wherein the electronic lighting control system energizes the addressable lighting elements in accordance with the mapping engine relation between the first and second scan data sets; characterised in that the visual modelling system comprises a structure scanning module operable for generating the second scan data set by building a 3D virtual model of the structure defining the location of the addressable lighting elements and an order in which they are addressed, the structure scanning module being configured for building the 3D virtual model of the structure by performing the steps of: a) operating the electronic lighting control system to cycle through the addressable lighting elements one at a time; b) operating scanning equipment of the visual modelling system configured to scan the structure from different angles, the scanning equipment being configured for detecting the light emitted by each energised addressable lighting element; c) building a point cloud from the detected light emitted from each addressable lighting element, each point defining the location of the addressable lighting elements on the surface of the structure and the order they are addressed by the electronic lighting control system; and d) converting the point cloud into a 3D virtual model of the structure. a first scan data set associated with a subject; a structure having a plurality of addressable lighting elements; a second scan data set associated with the location of the addressable lighting elements on the surface of the structure; a processor-based image processing system including a data receiving module to receive the generated first scan data set, and a mapping engine to relate the first scan data set to positionally corresponding lighting elements on the structure as defined by the second scan data set; and an electronic lighting control system including a power source and a lighting controller in communication with the plurality of addressable lighting elements, wherein the electronic lighting control system energizes the addressable lighting elements in accordance with the mapping engine relation between the first and second scan data sets; characterised in that the visual modelling system comprises a structure scanning module operable for generating the second scan data set by building a 3D virtual model of the structure defining the location of the addressable lighting elements and an order in which they are addressed, the structure scanning module being configured for building the 3D virtual model of the structure by performing the steps of: a) operating the electronic lighting control system to cycle through the addressable lighting elements one at a time; b) operating scanning equipment of the visual modelling system configured to scan the structure from different angles, the scanning equipment being configured for detecting the light emitted by each energised addressable lighting element; c) building a point cloud from the detected light emitted from each addressable lighting element, each point defining the location of the addressable lighting elements on the surface of the structure and the order they are addressed by the electronic lighting control system; and d) converting the point cloud into a 3D virtual model of the structure. a) operating the electronic lighting control system to cycle through the addressable lighting elements one at a time; b) operating scanning equipment of the visual modelling system configured to scan the structure from different angles, the scanning equipment being configured for detecting the light emitted by each energised addressable lighting element; c) building a point cloud from the detected light emitted from each addressable lighting element, each point defining the location of the addressable lighting elements on the surface of the structure and the order they are addressed by the electronic lighting control system; and d) converting the point cloud into a 3D virtual model of the structure.