The test files in this directory mostly have dimension 157x151. The naming convention is photometric-channels-bits.tiff minisblack-1c-16b.tiff minisblack-1c-8b.tiff miniswhite-1c-1b.tiff palette-1c-1b.tiff palette-1c-4b.tiff palette-1c-8b.tiff rgb-3c-16b.tiff rgb-3c-8b.tiff logluv-3c-16b.tiff: logluv compression/photometric interp minisblack-2c-8b-alpha.tiff: grey+alpha BMP files (anchient BMPv2 since v3 does not work): palette-1c-8b.bmp rgb-3c-8b.bmp GIF files (anchient GIF '87 since modern GIF does not work): palette-1c-8b.gif PNM files: minisblack-1c-8b.pgm miniswhite-1c-1b.pbm rgb-3c-8b.ppm G3 Fax files : miniswhite-1c-1b.g3