Improve pixelmap interaction

[naglepuff]

Initial Label UI

Available interactions

1. Category selection
2. Category creation
3. Click a superpixel to set/unset category

Desired interactions

1. Click + drag to paint

Guided labeling main UI

Available interactions

None

Potential interactions

1. Category selection
2. Category creation
3. Click a superpixel to set/unset category
4. Click + drag to paint

Next steps

1. Implement click + drag for initial label UI
2. Determine what interactions are needed for the main guided labeling UI

[jeffbaumes]

In an "explore" mode on the main iterative guided labelling UI, enable:

• Arbitrary labelling including painting
• Toggling data layers, which should include user labels (seems we only want to require editing labels when this is on so you can see what you are changing), machine labels, uncertainty, and logit response

@manthey we also discussed improving defaults for heatmaps, which may be a candidate for a separate issue.

[jeffbaumes]

@manthey also argued for enabling painting in initial setup mode.

[cooperlab]

I don't have anything to add to this.

[bnmajor]

I believe all of these features were already added for the initial labeling step and the remaining features for the guided labeling step have been added in #120.

@jeffbaumes @manthey Let me know if you disagree