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Archived discussions · Captured October 28, 2026

X axis flip when fast zoom in out

Community Support
alustig3
alustig3

I have run into a bug where if I xwheel zoom in quickly, when I then zoom back out, the x-axis has somehow flipped ( i.e. x-axis starts as increasing from left to right, but then flips so numbes are increasing from right to left)

The simplest example that replicates the problem is the following:

import numpy as np

p = figure(
    width=800,
    height=500,
    tools="xwheel_zoom",
    active_scroll="xwheel_zoom",
    output_backend="webgl",
)

j = np.array(list(range(100000)))
p.scatter(j, j)

show(p)

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Bryan
Bryan

This is a recently reported bug:

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End of archived discussion · Replies are disabled