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Title: WIP: Add offset normalizer by phobson · Pull Request #3858 · matplotlib/matplotlib · GitHub

Open Graph Title: WIP: Add offset normalizer by phobson · Pull Request #3858 · matplotlib/matplotlib

X Title: WIP: Add offset normalizer by phobson · Pull Request #3858 · matplotlib/matplotlib

Description: Trying to close #1806 Not currently on a good machine for development, but I think this pretty straight-forward, so hopefully Travis a test runner will suffice... OffsetNorm: This let's you set vmin, vcenter, and vmax. The use case for this is when you have data ranging from e.g., -1, to +2, and you want the the white/gray part at 0, but would also like to use the full range of the red scale. So: offset = mcolors.OffsetNorm(vmin=-1, vcenter=0, vmax=2) offset([-1.0, -0.5, 0.0, 1.0, 2.,]) #prints [0, 0.25, 0.5, 0.75, 1.0] Next I'll add SymNorm, that will look at the absolute values of vmin and vmax to produce: sym = mcolors.SymNorm(vmin=-1, vcenter=0, vmax=2) sym([-1.0, -0.5, 0.0, 1.0, 2.,]) #prints [0.25, 0.325, 0.5, 0.75, 1.0]

Open Graph Description: Trying to close #1806 Not currently on a good machine for development, but I think this pretty straight-forward, so hopefully Travis a test runner will suffice... OffsetNorm: This let's you se...

X Description: Trying to close #1806 Not currently on a good machine for development, but I think this pretty straight-forward, so hopefully Travis a test runner will suffice... OffsetNorm: This let's yo...

Opengraph URL: https://github.com/matplotlib/matplotlib/pull/3858

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7e93605 ENH: Add OffsetNorm and tests phobson Nov 27, 2014 https://github.com/matplotlib/matplotlib/pull/3858/commits/7e9360568d112c4df2803a0bbba1442ac21d1d84
5e7c187 fix OffsetNorm docstring to numpydoc spec phobson Mar 30, 2015 https://github.com/matplotlib/matplotlib/pull/3858/commits/5e7c187b71d4d0286bf58676d3eb92a268f33083
9a0b603 OffsetNorm blurb in whats_new phobson Mar 30, 2015 https://github.com/matplotlib/matplotlib/pull/3858/commits/9a0b603f0596d4667aa9a8b5e18a6d1c91e7e017
fd9e624 removed OffsetNorm.inverse method phobson Jun 6, 2015 https://github.com/matplotlib/matplotlib/pull/3858/commits/fd9e62480a52354bdfe20cc4ac2931ae963960cd
633505d attempting to create a baseline image phobson Jun 6, 2015 https://github.com/matplotlib/matplotlib/pull/3858/commits/633505d42d3e3b3d6db3c464b4b9718fe55b6380
ab11380 fix bad indexing when returning a scalar phobson Jun 8, 2015 https://github.com/matplotlib/matplotlib/pull/3858/commits/ab113809cc172b196fe2d564541430643dfec4cb
fa57cdd the real test image phobson Jun 8, 2015 https://github.com/matplotlib/matplotlib/pull/3858/commits/fa57cdd7140116593a939af52a92a410dd2947d4
9a01b9f refactor tests a bit to handle non-invertable Norms phobson Jun 8, 2015 https://github.com/matplotlib/matplotlib/pull/3858/commits/9a01b9f6accfb2159ac05c38066c5462fc12ec5b
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