Canopy App For Mac
There aren't many Mac photo management apps that aren't geared towards a specific purpose, but among the few we think Lyn is the If you're coming from iPhoto, it can read your iPhoto library as-is. If you just want an app for viewing a folder structure currently on your drive, Lyn can handle that as well.
[Paraview] Building Paraview against Enthought Canopy Python on Mac OS 10.8.5 [Paraview] Building Paraview against Enthought Canopy Python on Mac OS 10.8.5 Ryan Abernathey Tue Sep 24 10:42:30 EDT 2013 • Previous message: • Next message: • Messages sorted by: Dear Paraview Community, This is mostly just a description of my experience successfully building Paraview. However there is one outstanding issue involving RPATH (described at the end) that I would greatly appreciate some advice on.
I use what is probably an increasingly popular platform for scientific computing: Mac OS plus the excellent Enthought Canopy python environment. Canopy greatly simplifies the installation of numpy / scipy and related packages and is free for academic use. Canopy creates a standalone python installation on Mac OS, completely replacing the system python. The problem is that the paraview binary distribution for Mac OS links against the standard system python, meaning that I cannot load scipy modules from within the paraview python shell, or in pvpython. To fix this, I decided to build a new paraview from source linking against the Canopy python.
For the most part, the build was very straightforward following the wiki instructions I installed cmake 2.8.8 from source and QT 4.8.5 from the dmg ( ) I did not install ffmpeg or mesa. Then I downloaded the Paraview v4.0.1 source. FYI, my Canopy version is 1.1.0 64-bit. I had to use several custom settings in ccmake.
Of course, PARAVIEW_ENABLE_PYTHON = On I had to point ccmake at the canopy python enviroment. This took some figuring out. With canopy, your python executable is $HOME/Library/Enthought/Canopy_64bit/User/bin/python Naturally I thought to use the following settings PYTHON_EXECUTABLE=$HOME/Library/Enthought/Canopy_64bit/User/bin/python PYTHON_INCLUDE_DIR=$HOME/Library/Enthought/Canopy_64bit/User/include PYTHON_LIBRARY=$HOME/Library/Enthought/Canopy_64bit/User/Python However, this caused ccmake to give an error, complaining about a missing patchlevel.h file in the python include directory. I poked around and found a different version of the includes inside the Canopy app. The settings that ended up working were PYTHON_INCLUDE_DIR=/Applications/Canopy.app/appdata/canopy-1.1.0.1371.macosx-x86_64/Canopy.app/Contents/include/python2.7/ PYTHON_LIBRARY=/Applications/Canopy.app/appdata/canopy-1.1.0.1371.macosx-x86_64/Canopy.app/Contents/lib/libpython2.7.dylib After this ccmake was able to finish successfully. Then I built and installed (make && make install) with no errors.
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The only issue I have now is that paraview binaries link to python using RPATH. Compare the original paraview binary: $ otool -L /Applications/paraview_original.app/Contents/bin/pvpython. /System/Library/Frameworks/Python.framework/Versions/2.7/Python (compatibility version 2.7.0, current version 2.7.1). With my new paraview binary $ otool -L /Applications/paraview.app/Contents/bin/pvpython. @rpath/Python (compatibility version 2.7.0, current version 2.7.0).
The problem is that the linker cannot find the python libraries at runtime using rpath. $ Applications/paraview.app/Contents/MacOS/paraview dyld: Library not loaded: @rpath/Python Referenced from: /Applications/paraview.app/Contents/MacOS/paraview Reason: image not found Trace/BPT trap: 5 However, if I pass the library path using DYLD_LIBRARY_PATH, it works fine. $ DYLD_LIBRARY_PATH=/Users/rpa/Library/Enthought/Canopy_64bit/User /Applications/paraview.app/Contents/MacOS/paraview The documentation on ccmake and RPATH is quite overwhelming for a novice like me. I am content to use my DYLD_LIBRARY_PATH hack, but if anyone knows how to overcome this issue, my build would be flawless. In any case, I hope this message will be useful for anyone else interested in using paraview with a canopy-based python. Best, Ryan Abernathey -------------- next part -------------- An HTML attachment was scrubbed. URL: • Previous message: • Next message: • Messages sorted.