Errorbars on scatter plots don't react to point selection

Abierto
#7,305 1 comentario 0 reacciones 0 asignados Ver en GitHub

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Evaluación

Dificultad
4/5
Tiempo estimado
3-5 días
Aptitud para principiantes
48/100
Tipo de issue
Error
Claridad
Bastante claro
Estado de actividad
Activo
Stack tecnológico
javascript
Área
data-visualization

Línea de trabajo

Empieza con la reproducción de CodePen vinculada e inspecciona cómo se renderizan las barras de error de los diagramas de dispersión en relación con los marcadores y las líneas durante la selección de puntos. Compara su comportamiento con las barras de error de los gráficos de barras y, después, verifica que seleccionar puntos también cambie las barras de error asociadas sin seleccionar las barras de error de forma independiente.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

bug good for agent

If you make a plot with errorbars, they aren't affected at all by selections. This both looks weird (like part of your point was left behind when it became deselected) and can cause usability problems, in that it's harder to distinguish selected and unselected points, particularly if the points themselves are small.

The simple solution here would be to include the errorbars in the group that responds to marker.opacity. That also seems the most correct, as you shouldn't see an errorbar through a partially transparent marker, and intuitively I'd expect errorbars to become transparent along with their associated markers. I think that would cover most use cases, though including some errorbar attributes like color and thickness in the selected and unselected styles would also be nice.

A tricky bit here is that normally errorbars are drawn behind lines but markers are in front of lines, so they can't just be combined with the markers. I suspect the right solution is to only put them behind the lines when there are no markers, but when there are markers bring them up to just behind and grouped with each marker.

Relatedly, no errorbar attributes other than array and arrayminus accept arrays. Enabling color in particular to be an array would be useful, and could mostly work around the main issue here in some cases, though I wouldn't call it a full solution.

https://codepen.io/alexcjohnson/pen/RNbGamp?editors=0010
Image

To be clear: I don't think we should select the errorbars themselves - just select the points and bring the errorbars along for the ride.

Interestingly, errorbars on bar charts already behave correctly:

Image
Lenguaje dominante
JavaScript
Estrellas
18.3k
Forks
2k
Merge medio
2 d 12 h
PR fusionados (30 d)
28

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