splits an image across multiple pages for assembly into a poster

 The PosteRazor splits an image to form a multi-page PDF document. When
 printed, the sheets can be arranged to form a large poster of the original
 picture. An easy to use (wizard like) user interface guides through 5 simple
 steps.
 .
 It relies upon libfreeimage and libxpm supporting many input file formats
 such as BMP, GIF, ICO, JPG, PNG, TIFF, XPM among others handled by FreeImage
 like DDS, Dr. Halo, IFF, JBIG, JPEG/JIF, KOALA, LBM, Kodak PhotoCD, PCX, PBM,
 PGM, PPM, PhotoShop PSD, Sun RAS, TARGA, WBMP, XBM, etc...
 .
 Also, PosteRazor can handle the following image color types: Monochrome,
 Grayscale, 4 Bit palette, 8 Bit palette, 24 Bit RGB, 48 Bit RGB (only via
 TIFF and PNG), 32 Bit CMYK (only via TIFF). 32 Bit RGBA images can be loaded,
 but are transformed to 24 Bit RGB by "merging" them with a white background.
 .
 It supports dimension units like m, mm, cm, inch, ft, pt(72th inch) and it
 prints the PDF output file in A4, A3, Legal, Letter or Tabloid layout.