Answers
Keyboard shortcuts for building maps
MOVEMENTS
Move selected objects 1px at a time (below)
Move selected objects 10px at a time (below)
Forces map to move even if your mouse is over seats (below)
SEAT SELECTIONS
Draw a box to mass-selected seats (below)
Select all seats between the last seat and the newly clicked seat (below)
Select all seats in that row (below)
Select all seats in the block/table (below)
OBJECT SELECTIONS
Select or deselect multiple objects (below)
Draw a box to mass select objects (below)