About

This viewer lets you compare two Air Photos side-by-side.

• Select a layer for each map from the dropdown menus
• Zoom in and out with mouse wheel or the + and - buttons
• Pan the map by clicking and holding the mouse button while dragging the map across the screen
• Panning and zooming of the two maps are synchronized
• Turn the current streets layer on and off with the S button
• The streets layer will automatically turn off when zoomed out too far