plotly / plotly/plotly.js

Rangeslider range expands beyond data range and can’t be reset

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#4,417 7 commenti 1 reazione 0 assegnatari Vedi su GitHub

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bug P3
Lingua principale
JavaScript
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Merge medio
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Descrizione

I am copying this issue from a post on the plotly forum (https://community.plot.ly/t/rangeslider-range-expands-beyond-data-range-and-cant-be-reset/32193). Apparently this is a bug, and I am hopeful that posting it here helps others.

Basically: The rangeslider range can be expanded beyond the range of the actual data. Once this happens, it’s not possible to reset the range slider range.

Any help on this issue would be appreciated! Is it a known issue? Is my config wrong?

Here is as gif (which is a copy of the one on the forum post):

Here is a reproducible code sandbox: https://codesandbox.io/s/cool-hill-zdlh7
Uses: plotly-js, and react

I’ve tried a variety of things to fix this, but have not found a solution.

Is there a way to set the range programatically?

for instance: if range > limit, range = limit
Is there a config/layout option to limit the range?

I have found working examples that DON’T exhibit this behavior here:
https://plot.ly/python/range-slider/


Possibly I can look into fixing this myself but I am not familiar with the codebase. In addition, I see lots of room for improvement in the rangeslider behavior, adopting ideas from the C3 sub-graph, and the like.

Some possible changes to the behavior:
We could make it so the range slider can't move beyond the graph's actual data range. Although, would this cause issues for a graph that allows zooming out far away from the data?

We could simply allow the range slider to collapse back a preferred size which matches the entire data set. This must happen on graph initialization anyway. It could be tied to double-click.


Also, a little off topic, but it may not even make sense to have the range slider directly attached to the original graph... what if it was simply a separate graph component, fed the same (or additional) data as the main graph, except with a selectable area. This might also address some of the customizability limitations of the rangeslider. In fact, the zoom-rectangle and left-right zoom handle functionality is already there, the graph just hast to NOT zoom in after the selection is made and report it back to a callback, which can be fed to another graph. Similar to the selectable area of the react-vis 2d-draggable-area

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Come iniziare

  1. Leggi tutta la issue e poi la guida ai contributi del progetto.
  2. Commenta sulla issue per dire che te ne occupi tu — evita che due persone facciano lo stesso lavoro.
  3. Fai un fork del repository e lavora su un branch.
  4. Apri una pull request che faccia riferimento al numero della issue.

Direzione di ricerca

Inizia eseguendo la riproduzione collegata in CodeSandbox e confrontando il comportamento di rangeslider con gli esempi di riferimento funzionanti. Traccia il punto di ingresso di rangeslider in plotly.js per determinare come il suo intervallo viene esteso e reimpostato. Il lavoro è completo quando sono stati concordati i comportamenti attesi, è stata realizzata una correzione riproducibile ed è stato verificato che l’intervallo possa essere ripristinato senza compromettere lo zoom valido.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Valutazione

Stack tecnologico
javascript, react
Ambito
data-visualization, frontend
Tipo di issue
Bug
Difficoltà
4/5
Tempo stimato
3-5 giorni
Stato di attività
Ferma
Chiarezza
Da chiarire
Idoneità per principianti
28/100

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