Viewing Hidden Map Layers

Using the Map Builder > Getting to Know the Map Builder > Maps > Viewing Hidden Map Layers

Viewing Hidden Map Layers

As shown in Map Layer Hierarchy, a map is made up using layers of map data. The visibility of layer data is controlled by the map layer order. It is also possible to hide the contents of a layer entirely (see Hiding and Showing a Map Layer). The See Through Interactor is used to view the contents of a layer that is not visible in a map. Figure 2.5 shows a map with hidden layers.

Figure 2.5 A Map with Hidden Layers

To view hidden layer information, you first have to configure the See Through Interactor. To do this, do the following.

Click the + sign in the bottom right of the See Through Interactor button . The See Through Tool Configuration window opens.
Select the layers to be displayed by the See Through Interactor.

Figure 2.6 The See Through Tool Configuration Window

Note

The layers selected in the See Through Tool Configuration window follow the map layer hierarchy, that is, higher layers are visible before lower ones.

Set the visible area using the See Through Size Area slider.
Click OK. The See Through Tool Configuration window closes and See Through Interactor is activated automatically.
Click the area in the map where you wish to view a sublayer. The sublayer is revealed, as show in Figure 2.7.

Figure 2.7 Sublayers in a Map Displayed Using the See Through Interactor

Once the see through tool has been configured, click the See Through Interactor button to active the See Through Interactor. You do not need to reconfigure the See Through Interactor each time you use it.

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