Difference between revisions of "Navigation Functions"

Revision as of 15:53, 16 September 2013

Zoom to Area

To Zoom to Area on the map:

1. Click the button to enable the zoom in function.
2. Select the area on the map that you would like to zoom in by drawing a rectangle around this area.
3. To disable the map zoom in function, select another tool from the tools pane.

Zoom from Area

To Zoom from Area on the map:

1. Click the button to enable the zoom out function.
2. Zoom out by drawing a rectangle around the area of your interest.
3. To disable the map zoom in function, select another tool from the tools pane.

Pan function

To Move the map image, or Panning:

1. Click the button to enable the pan map control.The cursor changes to a hand to indicate that the pan tool is enabled.
2. Click the map and while holding down the mouse button, drag the map to the desired position in the map pane.
3. To disable the pan map control, select another GIS map control.

Go to Coordinates

The Go To Coordinates button allows you to navigate to specific coordinates. You can also drop a visual pin at the specific location for reference purposes, see How to drop a visual pin on the map.

To recentre the map on specific coordinates:

1. Click the button.

The Recentre On Coordinates window displays.

2. Select the coordinate reference system that you would like to use from the list.

Depending on the coordinate reference system that you select, the window will differ in appearance.

3. Enter the coordinates on which you would like to centre the map.
4. Click the Apply button.

The map recentres on the coordinates that you entered. The scale of the map will not change.

The following error message indicates that you either did not enter coordinates, or the coordinates that you entered were not in a valid format. Invalid coordinate format. Click the OK button and enter valid coordinates.