The screened printing data are subjected to a filtering method, the raster information being maintained. Intermediate tonal values are produced by the filtering method, using the binary tonal values, the intermediate tonal values being configured in such a way that, by means of a color space transformation, transformed tonal values and/or intermediate tonal values can be formed which represent a true-to-color proof.
REFERENCE TO RELATED APPLICATIONS
This application is a continuation of U.S. patent application Ser. No. 10/149,099, filed 5 Aug. 2002, now U.S. Pat. No. 7,245,400, which is a U.S. National Stage application under 35 U.S.C. .sctn. 371 of International Patent Application Serial No. PCT/DE01/03760, filed 4 Oct. 2001, which claims priority from German Patent Application Serial No. 10049933.3, filed 6 Oct. 2000 and German Patent Application Serial No. 10056057.1, filed 11 Nov. 2000, all of which are incorporated by reference herein in their entirety.
Priority Data
Oct 06, 2000 [DE] 100 49 933 Nov 11, 2000 [DE] 100 56 057