sankey: implement node grouping via mouse selection#3712

Merged

antoinerg merged 8 commits intomasterfrom

sankey-selection2

Apr 8, 2019

Commits on Apr 2, 2019

Commits on Apr 4, 2019

sankey: create a single dragger per trace that gets restyle, improve test
antoinerg
committed
sankey: in fullData add a reference to existing bgRect on redraw
antoinerg
committed

Commits on Apr 8, 2019