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Monitored Areas and Sub-areas

A monitored area is a polygon that a user draws or uploads. A monitored area can contain named sub-areas. See Get user monitored areas for the API documentation.

Monitored area and sub-area

Colour​

Monitored areas and sub-areas share the same purple #7957D5 outline and white #FFFFFF casing.

GeometryMain strokeCasingFill
Monitored area#7957D5, 1.5 pxWhite rgba(255, 255, 255, 0.5) at 50% alpha, 2.5 pxNone
Sub-area#7957D5, 1.5 pxWhite rgba(255, 255, 255, 0.5) at 50% alpha, 2.5 pxrgba(117, 89, 204, 0.2)

Time series​

The visible time window does not filter monitored areas or sub-areas.

Legend and labels​

Use the area name to identify a monitored area or sub-area. WFS shows a sub-area's properties in a popup on click.

Zoom behaviour​

Keep the monitored-area style as the map zoom changes. Show sub-areas from zoom 2 through zoom 17.

Interaction behaviour​

Selecting a monitored area opens its monitor panel. Selecting a sub-area opens its properties popup.

Metadata​

The monitor panel and sub-area popup present metadata used to identify and manage each area.

  • Name — the name of the monitored area or sub-area, used to identify it.
  • Area — the size of the monitored area, used to understand its coverage.
  • Sub-area properties — the properties supplied for a sub-area, used to provide its additional context.