On the initial drawing of a
map this display box shows the words ‘Set Background’. The ACT Locate
application provides the user with the option of selecting a background image.
This will always display under all other data layers, however in drawing a map
it may display after the other layers.
If the user selects the
drop down arrow to the right of the text, the various background options will be
displayed and the user can select the desired one.
user can select an image background or choose ‘None’.
Upon selection of a
background the map will redraw automatically using the same extent and data
layers as before.
IF THE PREVIOUS MAP VIEW INCLUDED DATA LAYERS WITH SOLID FILL SYMBOLS, THE
BACKGROUND IMAGE WILL NOT BE VISIBLE. THE USER MUST FIRST TURN THE MAP DISPLAY
OF THESE LAYERS OFF (FROM THE LAYER LIST VIEW) AND CLICK ON THE REDRAW MAP
The map layers have been
included in the Layer List to enable the user to easily switch off the display
of most of the default solid fill data layers, as they are included in the
‘ACT BASE’ Group. The user can click on the Group box to uncheck this, click
on the REDRAW MAP button and then select the desired background image.
As the various image
backgrounds available through ACT Locate are like other geographic data sets,
each has a metadata entry in the ACT Geographic Data Directory. The
next to the selected image will present the user with a separate Metadata
Page for the relevant background image. Further details on the Metadata Page
in ACT Locate are available here.