10000 Matplotlib blitting in Jupyter Notebooks (issue #4288) by mbewley · Pull Request #9240 · matplotlib/matplotlib · GitHub
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Matplotlib blitting in Jupyter Notebooks (issue #4288) #9240

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Matplotlib blitting in Jupyter Notebooks (issue #4288) #9240

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6edde3d
Added blitting support for jupyter notebooks (server side only), base…
mbewley Jan 29, 2018
5e93fe1
Added UAT notebook from on #4290 (after updating format for compatibi…
mbewley Jan 29, 2018
1c4c1c2
TST: merge the two nbagg_uat.ipynb files
tacaswell Feb 10, 2018
8322e22
MNT: do not add deprecated helper method
tacaswell Feb 10, 2018
0111e12
TST: tweak the blitting UAT a bit
tacaswell Feb 10, 2018
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TST: tweak the blitting UAT a bit 
Grab the background after the first draw to avoid issue with hi-dpi
screens.
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@tacaswell
tacaswell committed Feb 10, 2018
commit 0111e12e3d2e5fdbd307f2732e4e21d890bfb228
9 changes: 6 additions & 3 deletions lib/matplotlib/backends/web_backend/nbagg_uat.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -578,13 +578,16 @@
"import itertools\n",
"\n",
"cnt = itertools.count()\n",
"\n",
"bg = None\n",
"\n",
"def onclick_handle(event):\n",
" \"\"\"Should draw elevating green line on each mouse click\"\"\"\n",
" global bg\n",
" if bg is None:\n",
" bg = ax.figure.canvas.copy_from_bbox(ax.bbox) \n",
" ax.figure.canvas.restore_region(bg)\n",
"\n",
" cur_y = next(cnt) * 0.1\n",
" cur_y = (next(cnt) % 10) * 0.1\n",
" ln.set_ydata([cur_y, cur_y])\n",
" ax.draw_artist(ln)\n",
" ax.figure.canvas.blit(ax.bbox)\n",
Expand All @@ -595,7 +598,7 @@
"ln, = ax.plot([0, 1], [0, 0], 'g', animated=True)\n",
"plt.show()\n",
"ax.figure.canvas.draw()\n",
"bg = ax.figure.canvas.copy_from_bbox(ax.bbox)\n",
"\n",
"ax.figure.canvas.mpl_connect('button_press_event', onclick_handle)"
]
},
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