wherein {HEAD ~ said chromatic color dot creation module} creates the first chromatic color dots and {TAIL ~ the second chromatic color dots} at the ratio set by said density ratio setting module 
wherein { HEAD ~ said chromatic color dot creation module } creates the first chromatic color dots and { TAIL ~ the second chromatic color dots } at the ratio set by said density ratio setting module
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH