ORIS PDF Tuner Version 4.4.8 User Manual - image2output - Support

Using Images
Notes on Some Image Formats
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Page DCS files and DCS images with spot colors can only be output in
separated PS/EPS format. With all other output formats only the preview
is used, which is, however, of little use due to its low resolution.
About CopyDot Files
CopyDot files are created by scanning screened color-separated films in
order to integrate the data (e.g. advertisements) into a digital workflow.
The result is usually a set of 5 files with EPS/DCS format:
• The four color separations, usually with the file extensions .C, .M, .Y
and .K
• A master file that references the color separations and contains a
preview for on-screen display
There are also single-file CopyDot data that include the four color separations.
In the ORIS PDF Tuner image overview, only the master file is displayed.
When you open the master file, the linework is loaded with all four color
separations and you can edit it by e.g. changing the linework colors, filling
color areas or brushing. See also Editing Linework (page 26-1).
Having modified a CopyDot file, you can only save it as a new image using
one of the linework formats that ORIS PDF Tuner supports.
Note:
If CopyDot files are imported into a layout using FILE | IMPORT PDF OR
POSTSCRIPT, only the low-resolution preview image will be extracted, as
in this case access to the high-res color separations is not possible.
Linework File Formats
Unlike continuous tone images, which store the color values of each pixel,
linework stores only references to colors which are defined in a color
table. This makes linework a compacted image format which allows high
resolution data to be stored in relatively small files.
ORIS PDF Tuner allows you to open linework files, to modify them using
the Linework Editor and to position them on a layout. Linework editing
includes filling color areas, modifying colors, retouching and pixel copy.
Moreover, the linework color table can be displayed and modified.
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