diff options
Diffstat (limited to 'test/pdiff/README.txt')
-rw-r--r-- | test/pdiff/README.txt | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/test/pdiff/README.txt b/test/pdiff/README.txt deleted file mode 100644 index 922ddafbf..000000000 --- a/test/pdiff/README.txt +++ /dev/null @@ -1,45 +0,0 @@ -pdiff - a program that compares two images using -a perceptually based image metric. -Copyright (C) 2006 Yangli Hector Yee -yeehector@users.sourceforge.net -http://pdiff.sourceforge.net/ - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 2 of the License, -or (at your option) any later version. - -This program is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -or FITNESS FOR A PARTICULAR PURPOSE. -See the GNU General Public License for more details in the file gpl.txt. - -Build Instructions -1. Download cross platform make from http://www.cmake.org -2. Download libtiff from http://www.libtiff.org. Download libpng from http://www.libpng.org -3. Edit CMakeLists.txt to tell it where to find your tiff library -4. Type cmake . -5. Type make . (or on Windows systems cmake makes a Visual Studio -Project file) -6. To specify the install directory, use make install DESTDIR="/home/me/mydist" - -Usage - -pdiff image1.(tif | png) image2.(tif | png) [options] --verbose : Turns on verbose mode --fov deg: field of view, deg, in degrees. Usually between 10.0 to 85.0. -This controls how much of the screen the oberserver is seeing. Front row of -a theatre has a field of view of around 25 degrees. Back row has a field of - view of around 60 degrees. --threshold p : Sets the number of pixels, p, to reject. For example if p is - 100, then the test fails if 100 or more pixels are perceptably different. --gamma g : The gamma to use to convert to RGB linear space. Default is 2.2 --luminance l: The luminance of the display the observer is seeing. Default - is 100 candela per meter squared - -Credits - -Hector Yee, project administrator and originator - hectorgon.blogspot.com -Scott Corley, for png file IO code -Mick Weiss, Linux build and release & QA -Carl Worth, Rewrite as library, depend on cairo, and port to C
\ No newline at end of file |