To typeset by exposing type characters onto photographic film, which is then used to generate printing plates.
These concordances have been filmset, a process by which material is composed on film guided by appropriate programs that sense in the input stream "escape codes" which indicate a change in type font, size, or special characters.1975, ADVANCES IN COMPUTERS - Volume 13, →ISBN, page 56:
The electronic capabilities of today's new typesetting programs enable us to filmset type with optimum lines - comparable with the setting of Johannes Gutenberg's famous 42-line Bible.2012, Peter Karow, Font Technology: Methods and Tools, →ISBN, page 194:
filmset
adj
Etymology From film + set.
1
Created using a process of filmsetting.
But Private Angelo is considered to be Britain's first filmset commercially distributed book.1958, Books of the Month - Volume 73, page 3:
To some extent the actual thickness of the filmset letters can be controlled to suit differing paper surfaces.2007, John Lewis, Typography: Design and Practice, →ISBN, page 107: