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# Installing Visualization Software on OS X

The first thing we need to do is rebuild Python to use OSX’s frameworks, so that it can create graphical windows. To do this first from the terminal do

    cd $SAGE_ROOT/local/lib
    rm libpng*.dylib

where `$SAGE_ROOT` is the directory of your Sage install. Next from within Sage,

    sage: install_package('python-2.5.1-framework')

Next we will build vtk, this will take a while

    sage: install_package('vtk-5.0.3.p1')

Finally

    sage: install_package('MayaVi-1.5')
    sage: install_package('scitools++')
    sage: install_package('PyVTK-0.4.74')

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