(Create a symlink pytest for pytest)
pytest [options] [file_or_dir] [file_or_dir] ...
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D3 2.5.0 supports matrix decomposition for animating 2D transforms. Any SVG transform attribute is decomposed into a canonical representation of translate, rotate, scale and skew. This allows two arbitrary transforms of different types to be transitioned smoothly—say from a simple translate to a scale plus rotate. These features are supported automatically by your browser for CSS3 transitions, but now you can have them in JavaScript for SVG, too!
Inspired by Trulia Trends - but with code and using SVG.
Example data shows concurrent user sessions over time, taken from a development environment.