Modifying and Integrating PostScript Systems

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Application-generated PostScript is intended to be sent directly to the printer and is generally not designed to be modified. Unfortunately there are instances where it is unavoidable without access to the source of an application. After a brief introduction to the language, this paper shows how PostScript output can be manipulated to change the appearance of the final page. Techniques for removing or replacing parts of a page are presented, as are methods for seamlessly merging files to produce composite output.

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Paper: A paper has not yet been submitted.

Malcolm started with PostScript in 1991 by writing yup, a variant of the familiar psnup utility. Since then he has successfully used PostScript in areas where it might not be considered as an alternative and making good use of the open-source GhostScript interpreter in a number of applications. He has provided support and assistance in situations where PostScript systems fail (due to firmware or application issues). Other projects have included modifying the PostScript output produced by financial applications and integrating it with other pre-prepared content - most recently he has done extensive work in presenting personal camera images and GPS tracklog data as a browseable set of maps for the web.