Map Layers

Emap layers are available to you that represent the themes or services. For example, a map layer is the type of data shown on the map, such as roads, addresses or aerial images.

Accessing Map Layers

All layers available to you are shown in the Layers box. This box can be accessed by clicking on the "Toolbox" button (found on the top Navigation bar of Emap) and selecting "Layers".

You can easily turn layers on and off by checking/un-checking the relevant layers.

Tip: Some layers will only work on some views, for example Aerial Overlay will give you a Street map overview for the Aerial Emap view.

Tip: Christchurch Post Quake imagery is available for the whole of Christchurch. Again, this can only be used with Aerial View.


Metadata showing the currency for each of the data layers is available by clicking on the icon. A pop up will appear that gives you the source and date the data was last modified.


The Transparency tab under the Layers box allows you to control the transparency of layers you have turned on in your map view.

For example, if you have the Christchurch Post Quake imagery on, then transparency control will allow you to fade in/out of pre and post quake imagery.


A Map Legend is a key to all of the symbols used on a map. The Emap Legend is accessed from the Layers box where it has its own tab.

It shows all legend items relevant for the layers and view you currently have turned on in Emap. For example, if you have the Street view on, then the legend will be populated with all relevant legend items.