VRayScansZone VRScansZone is available for used with specific scanned materials only. If a vrscan material vrscan materials which consist of two or more clearly defined sub-materials (e.g. some fabrics with pattern), it can have an underlying map called zone that can be used for compositing purposes later on. This render element shows the zone, that is a map of the sub-materials.The rendered image is monochrome. The white color specifies the selected zone, whereas the black color specifies . It renders a mask for the zone which is shaded with the respective sub-material. The result mask is monochrome with white area corresponding to the distribution of the specified sub-material and black color fill for all the other parts of the image.
The VRScansZone render element only works with the scanned materials which have the respective zones channels defined inside them.