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Bar chart X axis autorange not working as expected ?

See original GitHub issue

I have a bart chart with X axis autorange enabled. X is of type “category” with numbers and a single string to represent not known values. Somehow the chart is not fully displayed.

Here a minimal example with the issue :

https://codepen.io/loganwlv/pen/mdEdYLW

EDIT: Some extra information can be found there -> stack_overflow It seems with 7.5  instead of 7.5 on X the graph is displayed as expected

Issue Analytics

State:
Created 3 years ago
Comments:7 (7 by maintainers)

Top GitHub Comments

1reaction

alexcjohnsoncommented, Oct 11, 2020

Thanks for the report @LoganWlv - this is indeed a bug, the problem is that the range of a category axis is normally expressed in units of the category serial numbers, and as you have 8 categories (0 to 7) and you want to see the whole of each bar (±0.5) the autorange value is [-0.5, 7.5].

The bug is that apparently when we then re-interpret that range to draw the graph, because you have a category of the same name we take 7.5 to mean “the serial number of category 7.5.” I imagine we’re trying to be flexible and allow you to specify like range: ['apples', 'oranges'] but honestly that’s rarely useful because of the ±0.5, or related padding on scatter and other trace types.

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alexcjohnsoncommented, Oct 13, 2020

Closed by @LoganWlv in #5211