To zoom into a line graph in Tiles:
1. Expand Tile (right-click -> Expand Tile from dropdown menu)
2. Use mouse wheel to zoom in and out
3. Use mouse left-click + drag to move pan left/right/up/down
*Tip: The timeline at the top can be used to zoom in the x-direction only.
To exit zoom simply exit the expanded tile view (the x at the bottom of the screen or the esc key).
Shortcut Keys:Right/Left/Up/Down Arrows:
Zoom in and out
esc: Exit expanded tile view