Once the import script has been run on the server we are ready to create references in Earthlight. To create new reference for a layer please follow the steps below:
- Click here to select the repository.
- You can use this search box to quickly locate desired table.
- Highlight layer/s for which you want to create references.
- Select destination folder for references.
- Click Create layer reference to start the operation.
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Views
- Choose views group from the Repository drop down menu.
- Choose a view that you want to reference.
- Select your reference location.
- Click Create a new layer reference button.
Now you need to set your reference settings.
- First, choose a primary key column for your view.
- Set view’s geometry column.
- Specify geometry type.
- Add all the tables that are referenced to your view.
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- You can use search box to quickly locate desired table.
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Selecting tables which are referenced to your view is required for creating database triggers on them and to allow Earthlight refreshing caches of the view. It is required for example when one of the view 'source' tables changes. If you are not aware which tables are used in the view:
or
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Non-Spatial Tables
In case of Non-spatial tables – select Primary key(1), Easting(2) & Northing(3) columns and set SRID(4).
Web Mapping Service
Here’s the example of usage for some free geology data from http://ogc.bgs.ac.uk/
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