# MSKREGIONS parameters regions,s,a,,,,The list of region specifications masks,f,a,,,,The list of output mask images refimages,f,a,,,,The list of input reference images dims,s,h,"512,512",,,The default output mask dimensions depth,i,h,0,,,The default output mask depth in bits regnumber,s,h,"constant", "|constant|number|",,The region numbering scheme regval,i,h,1,,,The default starting mask region value exprdb,s,h,"none",,,The optional expression database append,b,h,no,,,Append new regions to an existing mask ? verbose,b,h,yes,,,Print task status messages ?