It's a wieldy tool for creating compellent lighting effect. By using it, you can easily achieve professional lighting in scene of real time 3D. It also have ability for geometry processing,tailor for light maps: group tanglesome triangles to surfaces. This ability is special useful for those scene modeling with general 3D-Soft(for example,3dsmax,maya,etc). The lighting data can directly save to BMP file,or output all data of scene to custom format file through Export-Plugins. To read manual on website for detail.