Could the NA value be set via the theme in addition to the palette itself?

[davidhodge931]

I noticed that with the new version you'll be able to set the palette via the theme - very cool!

I was wondering if the NA values for these could also be set?

For example..

set_theme(
     theme_grey() + 
     theme(
          palette.colour.discrete = c("red", "blue", "green"), 
          palette.colour.discrete.na = "lightgrey",
     ) 

[teunbrand]

Thanks for noticing! I'm afraid if we're going to allow this, the next question would be 'can we set the limits via the theme?', thereafter 'how about breaks, labels?' etc. (or requests for binned palettes for that matter) I'm not entirely comfortable with scope creep at this point. I think the reason why I'm uncomfortable with this is what default palette you use is not really a data-driven choice so it fits in the theme that way. How missing data is represented is a more data-driven choice, so that doesn't seem appropriate to set in a theme. In any case, if you want to set na.value without committing to a type of scale, you might also be interested in #6196.

[davidhodge931]

Whoa #6196 is super cool - didn't know about this. It still doesn't allow me to set this though for all plots that follow?

I want to set as much stuff as makes sense to up-front. I think the NA colour is in the same boat as the colour palette. But granted, of much lower importance.

Feel free to close if you think

[teunbrand]

Feel free to close if you think

I'm going to take you up on that offer :)