Manage CRS

Manage CRS allows you to add, remove or edit existing Coordinate Reference Systems.

Select General Settings > Manage CRS from the What would you like to do? drop-down menu:

This displays the Manage Coordinate Reference Systems dialog:

The Manage Coordinate Reference Systems dialog gives three options:

Add a new Coordinate Reference System

For example, to add EPSG:2154:

Enter:

EPSG Code, in this case 2154

Units, in this case m

Min X, in this case -357823.2365

Min Y, in this case 6037008.6939

Max X, in this case 1313632.3628

Max Y, in this case 7230727.3772

Reverse Axis, check tickbox if required.

Click Add.

2154 will now be added to the list and can be edited if required.

EPSG is a globally recognised dataset of coordinate references. Web Map Layers 8.0 comes pre-loaded with these popular EPSG codes.

27700 British National Grid
4326 World
3857 World (used in rendering map tiles for Bing and Google Maps)
25832 Europe
31466 Germany (Gauss-Krüger zone 2)
31467 Germany (Gauss-Krüger zone 3)
29902 Ireland
28355, 28354, 28353, 28352, 28351, 28350 Australia

Edit a Coordinate Reference System

Click Edit to display the details for the Coordinate Reference System as shown for the Add a new Coordinate Reference System, shown above. These values can now be edited.

Remove a Coordinate Reference System

Click Remove to delete the Coordinate Reference System. A confirmation message will be displayed before the Coordinate Reference System is removed.

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