fR-Matte/Shadow Material

With finalRender R3, a new material type has been introduced: fR-Matte/Shadow.  As the name tells you, it is intended for matte shadow compositing tasks within 3ds Max.  The great thing about this new material type is the enhanced control over GI effects like shadows or illumination, when adding matte/shadow effects to a scene.

finalRender's fR-Matte/Shadow material offers more control than the standard Matte/Shadow material in 3ds Max. A sub-material can be used to control the "invisible" GI part of the matte shadow material.  Usually the Matte/Shadow part of the object is invisible towards the background.  However, in GI situations, sometimes it is necessary to get a color spill from the background image.  To achieve this, you may use a material and set it to any color, or other properties that will be used for the GI calculation. 

Final Rendering	Alpha Channel of this rendering