aoki@postgres.Berkeley.EDU (Paul M. Aoki) (04/06/89)
In the interest of cutting the file-format conversion traffic, here goes, the how-to-assemble-the-penultimate-conversion-package posting .. In article <11100004@iuvax> jwd@iuvax.cs.indiana.edu writes: >I would also be interested in a TIFF to PostScript converter, >or a TIFF to X Windows bitmap converter! Sam Leffler's TIFF package has a TIFF to PS tool. Once something is in a PS grayscale form it probably wouldn't be too hard to massage it by hand into another grayscale file format, at which point you can use Michael Mauldin's FBM package and Jef Poskanzer's PBM package to convert to a *whole bunch* of different formats (i.e., tiff2ps to get PS, hand-tweak the PS, use FBM to dither and produce a .pbm file, use PBM to turn the .pbm into a .xbm file ..) Eventual FBM support of TIFF is rumored, which would cut out a few steps; meanwhile, if you hack a tool to convert from TIFF PS to any other format, why not post it. Despite my need to wrap up my MS quickly, I've been playing a bit with these packages. FBM and PBM work *very* well together -- my store of X bitmaps has increased tremendously now that I can convert nearly any pixmap that I have access to into a bitmap, giving any of a zillion options to tweak the halftoning process .. good stuff, fun to play with. And while you're at it, when you convert something to bitmap form, why not submit it to Jef Poskanzer's (jef@helios.ee.lbl.gov) bitmap collection, which is publically available from expo (see below). Stamp out bitmap hoarding! So, anyway, collect all of this stuff and you're more or less set. (People with really obscure/uncommon formats are still sort of hosed, but they already knew that.) TIFF: ucbvax.berkeley.edu:pub/tiff.tar.Z FBM: nl.cs.cmu.edu:/usr/mlm/ftp/fbm.tar.Z PBM: expo.lcs.mit.edu:contrib/pbm.tar.Z ---------------- Paul M. Aoki CS Division, Dept. of EECS // UCB // Berkeley, CA 94720 (415) 642-1863 aoki@postgres.Berkeley.EDU ...!ucbvax!aoki
jef@hot.ee.lbl.gov (Jef Poskanzer) (04/06/89)
In the referenced message, aoki@postgres.Berkeley.EDU (Paul M. Aoki) wrote: }In the interest of cutting the file-format conversion traffic, }here goes, the how-to-assemble-the-penultimate-conversion-package }posting .. Great, Paul, thanks. I nominate this information for inclusion in a monthly frequently-asked-questions message. Seriously, I think comp.graphics is overdue for such. Any objections? Any suggestions for what else to include? }(People with really obscure/uncommon formats are still sort of hosed, }but they already knew that.) Sort of hosed, but if you send me specs on a format plus some uuencoded samples, I will probably include a converter in the next release of PBM. Considering that I'm getting ready for a major new release soon (with color support), now is a great time to do this. --- Jef Jef Poskanzer jef@helios.ee.lbl.gov ...well!pokey "A physicist is an atom's way of knowing about atoms." -- George Wald