The CAD Technology Research Of Crystal Lighting

The thesis aims the complexity of crystal lighting form and too many crystalmonomer. Manual modeling and modifying for crystal lighting may be difficult andcomplicated. It is difficult to accurately calculate the placement of crystal monomer, etc,We developed the aiding designing plugin of of crystal lighting. This research contentbasically includes the classification of crystal lighting, Single crystal monomer bank，The rapid design of linear distribution, area distribution and the volume distribution, theuser interface.By analysisingthe structure of crystal lighting on market, suming up the mainfactors of influencing crystal lamp form includes frame structure and crystal monomer,The distribution of crystal monomer follow certain features.So The crystal lighting isdivided into linear distribution, area distribution and the volume distribution accordingto its monomer characteristic.The shape and Cut face of the crystal monomer influence the refractive effect andlocal details of crystal lighting. Building Single crystal monomer bank is the importantpart the rapid design of crystal lighting.In the rapid design method of the linear distribution, area distribution and volumedistribution, needing to solve the key technology includes accurately calculating theplacement of the crystal monomer and the distance between the adjacent lay position,the relative size scale of crystal monomer, the size of the crystal monomer. The size ofthe crystal monomer Controls if it can be generated the modelling of crystal lightingexpected,the adjacent crystal monomers can overlap if the size of crystal monomer is excessively big, it can influence the beautiful of crystal lighting if the size of crystalmonomer is excessively small.The user interface mainly includes the type choice interface of small crystaldistribution, the choose interface of crystal monomer kinds, parameters interface, thestorage interface of numerical parameters.The design of parameters interface is realizedusing a web interface, the advantages of this method can realize that more than oneparameter value is allowed to input one-time, user operates accurately andconveniently.The design of interface layout can be realized independent of Rhinoscripts.The thesis based on the Rhinoceros as application platform, developed the aidingdesigning plugin of of crystal lighting. This plugin can compute the distribution of thecrystal lighting frame structure selected by the user to determine the placement of thecrystal monomer, calculate the relative size scale of crystal monomer and automaticallygenerate the model of crystal lighting consistent with the specified distribution.So it canfree the designer from manual work and then they can focus on designing more creativecrystal lighting styles.