The VRayBmpFilter texture map is useful for
displacement maps, created in external programs (like ZBrush) where exact
placement of the map is very important. The
VRayBmpFilter map produces a smooth map by interpolating the bitmap
pixels, but without applying any additional blurring or smoothing. This is
not possible with the default Bitmap texture of 3ds Max.
Bitmap - this is the bitmap file. This can
be in any format supported by 3ds Max.
U offset - allows to position the bitmap
more precisely; the value is in pixels of the bitmap.
V offset - allows to position the bitmap
more precisely; the value is in pixels of the bitmap.
Flip U - flips the bitmap in the
horizontal direction.
Flip V - flips the bitmap in the vertical
direction.
Channel - mapping channel from which the
UV coordinates are derived.