M | Model Element (T+ Model) | A Three Plus Model, Mesh, or Brep
Em | Emissive Map (Bitmap) | Set emissive (glow) map. The emissive map color is modulated by the emissive color and the emissive intensity. If you have an emissive map, be sure to set the emissive color to something other than black. (A System Drawing Bitmap or full file path to an image.)
I | Emissive Intensity (Number) | Intensity of the emissive light. Modulates the emissive color 0-1.
Ec | Emissive Color (Colour) | Emissive (light) color of the material, essentially a solid color unaffected by other lighting.
