Here is some additional info, the following gallery examples work as expected:

RAG Merging: http://scikit-image.org/docs/dev/auto_examples/plot_rag_merge.html
RAG Thresholding: http://scikit-image.org/docs/dev/auto_examples/plot_rag_mean_color.html#example-plot-rag-mean-color-py
Drawing Region Adjacency Graphs (RAGs): http://scikit-image.org/docs/dev/auto_examples/plot_rag_draw.html#example-plot-rag-draw-py

The last example the viridis wasn't available on 0.11.3 so just reused the cmap in the example

So it appears that only the Normalized Cut example that is exhibiting strange behaviour, on my main machine.

Michael.
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On 2/11/2015 12:02 pm, bricklemacho@gmail.com wrote:

Hi All,

Running this example: http://scikit-image.org/docs/dev/auto_examples/plot_ncut.html#example-plot-ncut-py

On one machine, example works as expected. On my work machine I am getting the following results of normalised cuts example: http://imgur.com/uWmvW2p

Details on machines and what I have tried is below.

Any help appreciated.

Regards,

Michael.
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Macbook 1 (work as expected):
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OS X Yosmite 10.10.4
Python 2.7.9 install via mac ports
skimage.__version__ 0.11.3 install via mac ports

Macbook 2 (strange behaviour)
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OS X Yosmite 10.10.5
Python 2.7.10 installed via mac ports
skimage.__verison__ 0.11.3 installed via mac ports

Things I have tried:
1. Reinstall from source via macports
sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/skimage*
sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/scikit_image*
sudo port upgrade -s -n --force py27-scikit-image
skimage.__version__: 0.11.3, identical result (http://imgur.com/uWmvW2p)

2. Install latest development verison
sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/skimage*
sudo rm -rf /opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/scikit_image*
git clone https://github.com/scikit-image/scikit-image.git
cd skikit-image
python setup.py build
sudo python setup.py install
skimage.__version__: 0.12dev, identical result: http://imgur.com/uWmvW2p