Selecting data spatially
To draw a polygon select the "Draw a polygon" icon on the left hand side of the map:
As the animation shows, click on the map defines the edges of a polygon, clicking on the first point finishes the polygon.
Discover will warn you that your results are out of date:
This just means that any results from before may have changed as a result of the new polygon. To find the data within this polygon, click the query button (shortcut ctrl+enter). Sites that are included in the results are highlighted in blue:
You can see in the above example, a number of wells are outside of the defined region. It is possible to edit an existing polygon to adjust the results by clicking on the "edit layers" icon.
The map tool also allows you to draw multiple polygons, for each polygon you draw a corresponding expression element is added to your query.