Similar to the zoom-in button (page 24), the zoom-in and recentre button, 
, displays a smaller map area at a larger scale. Unlike the zoom-in button, the button also recentres on the point that you select on the map.
To recentre and zoom in on the map:
- Click the
button to enable the map control. - Select the area on the map that you would like to zoom in on and recentre the map:
- Click the map.
- While holding down the mouse button, drag the mouse to form a rectangle around the map area you would like to select.
- Release the mouse button.
- To disable the map control, select another GIS map control.
The selected map area is displayed at a larger scale in the centre of the map pane.
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Use the  button to zoom out and recentre from a point.
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The zoom-in button displays a smaller map area at a larger scale so that more of the area’s details are visible. To zoom in:
- Click the button to enable the zoom-in map control.
- The map displays at a larger scale.
The zoom-out button displays a larger map area at a smaller scale so that less of the area’s details are visible. To zoom out:
- Click the
button to enable the zoom-out map control.
- The map displays at a smaller scale.
Repositioning the map image, or panning, moves the map image within the IMSMA Navigation window’s map pane without changing the scale of the map. To reposition the map image:
- Click the
button to enable the pan map control. - The cursor changes to a hand to indicate that the pan tool is enabled.
- Click the map and while holding down the mouse button, drag the map to the desired position in the map pane.
- When the map is in the desired position, release the mouse button.
- To disable the pan map control, select another GIS map control.
