RasterView is a CUPS, PWG, and Apple raster file viewer. It basically allows
you to look at the raster data produced by any of the standard CUPS RIP filters
(cgpdftoraster, imagetoraster, pdftoraster, and pstoraster) and is normally used
to either test those filters or look at the data that is being sent to your
raster printer driver. RasterView is provided as free software under the
Apache License, Version 2.0.