Editing GraphicsMagick
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Octave will use [http://www.graphicsmagick.org/ GraphicsMagick] for reading and writing your images (not for plots, only used for image processing). This means that the GraphicsMagick configuration you have on you system will determine what your Octave installation can do. Most systems will have it on their own repositories. Unfortunately, their configuration is not always the best for image analysis as it can limit the bit depth when reading and writing of images. | Octave will use [http://www.graphicsmagick.org/ GraphicsMagick] for reading and writing your images (not for plots, only used for image processing). This means that the GraphicsMagick configuration you have on you system will determine what your Octave installation can do. Most systems will have it on their own repositories. Unfortunately, their configuration is not always the best for image analysis as it can limit the bit depth when reading and writing of images. | ||
To solve the problem, GraphicsMagick needs to be rebuilt with the appropriate | To solve the problem, GraphicsMagick needs to be rebuilt with the appropriate seetings. See below for tracking dependencies and the reasoning behind each flag. Once done, the following commands should work to build GraphicsMagick. | ||
<pre> | <pre> | ||
./configure --with-quantum-depth=16 --enable-shared --disable-static --with-magick-plus-plus=yes | ./configure --with-quantum-depth=16 --enable-shared --disable-static --with-magick-plus-plus=yes |