Overprint Indesign
Out of context: Reply #17
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- BaskerviIle0
Firstly, as has been said, overprinting is not an effect, it is simply letting the transparency of the ink show through when overlaid, combining to create colours on the printed page, rather than before printing inside the computer.
An overlay will tell the computer what colour to make, then this will be printed as a simulation of that colour, but the printer won't print solid colours on top of each other to make it.In your diagram above, I think the reason you have a double stroke around the right hand cirlce is an issue of trapping. Trapping is the 'safe zone' that printers build in when two colours are going to sit side by side. Since it is almost impossible to align two blocks of colour side by side (you either get an overlap or a white gap) printers take the attitude that deliberate, controllable overlap is better than a white gap. The navy blue inner circle shows the overlap or trapping between the cyan and magenta plates.
- trapping normally is 0.088 mm, not 6 points as the line in the above example?stewart
- the printer WILL print solid colors over each other in overprinting. This explanation is confusing even ME because it might be wrongmonospaced