confusing API for heatmap legend

When trying to customize the legend for a heatmap I would expect that to be done through the layout similar to other trace types.

plot_ly(
  z = volcano, 
  type = "heatmap",
) %>%
  layout(
    legend = list(
      title = list(
        text = "custom title"
      )
    )
  )

After digging around for a while and examining the output of plotly_build() %>% plotly_json() I found that this is done through the top level colorbar instead.

plot_ly(
  z = volcano, 
  type = "heatmap",
  colorbar = list(
    title = "custom title"
  )
) 

I would say that if the interface for this needs to be different than for other traces, that should be documented on the heatmap page. Even better may be to standardize the approach so that users always know to go to layout for this type of thing.

I'm also curious why colorbar title is shown as a deprecated attribute from schema().

Commencez par la page de heatmap R liée dans l’issue et examinez les exemples documentés ainsi que la sortie de plotly_build() et plotly_json() qui y est décrite. Documentez que la personnalisation de la légende de la heatmap utilise le colorbar de niveau supérieur, y compris le détail de la dépréciation de schema() ; le travail est terminé lorsqu’une personne débutante peut trouver et suivre l’interface documentée.