Hold Q = assign
Hold W = unassign
Click precinct = toggle assignment
Bulk assign/unassign counties by clicking a precinct when "Color by whole county" is enabled
Locked districts cannot be modified County Toggle Mode: Click counties to enable/disable them. Disabled counties are faded and cannot be assigned. State Toggle Mode: Click states to enable/disable entire states by first 2 digits of GEOID. Disabled states are faded and all their precincts disabled.
Click disabled counties/states to re-enable.
County and State toggle modes are independent and can be toggled ON/OFF separately.