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DOC: clarify that display space coordinates are not stable #18178

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Aug 5, 2020
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DOC: clarify that display space coordinates are not stable #18178

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5 changes: 4 additions & 1 deletion tutorials/advanced/transforms_tutorial.py
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Original file line number Diff line number Diff line change
Expand Up @@ -145,6 +145,9 @@
ax.set_ylim(-1, 1)

xdata, ydata = 5, 0
# This computing the transform now, if anything
# (figure size, dpi, axes placement, data limits, scales..)
# changes re-calling transform will get a different value.
xdisplay, ydisplay = ax.transData.transform((xdata, ydata))

bbox = dict(boxstyle="round", fc="0.8")
Expand All @@ -166,7 +169,7 @@
plt.show()

###############################################################################
# .. note::
# .. warning::
#
# If you run the source code in the example above in a GUI backend,
# you may also find that the two arrows for the *data* and *display*
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