Oce Repro Desk User Manual page 145

The following options are also available on this tab:
this option maps colors to different levels of
Map pen colors to a shaded halftone
grayscale when you are using a color file to print on a monochrome printer.
changes the behavior that is used to fill
Use alternate fills instead of winding fills
polygons in Vector oriented files. In general, the modes differ only in cases
where a complex, overlapping polygon must be filled (for example, a
five-sided polygon that forms a five-pointed star with a pentagon in the center).
In such cases, Alternate mode fills every other enclosed region within the
polygon (that is, the points of the star), but Winding mode fills all regions (that
is, the points and the pentagon).
HP-RTL is a special format of HP-GL which
Do NOT scale HP-RTL raster data
allows inclusion of raster data within the Vector data. However, if such files
are scaled, the raster data will become very large due to the nature of raster
data. Selecting this option prevents the raster part of the drawing to be scaled.
To represent shades of gray in
Use error diffusion for gray or color RTL images
RTL raster data, Repro Desk employs Halftone Diffusion by default. You may
want to use Error Diffusion instead, to improve the appearance of your image.
Set pen parameters 145