Line/Area Ruler
Ruler to draw a line/area and display length/area in a dialog.
Configuration
- Title: Title of the element. The title will be listed in “Layouts” and allows to distinguish between different buttons. It will be indicated if “Show label” is activated.
- Tooltip: text to use as tooltip.
- Target: Id of Map element to query.
- Type: choose type of element: line or area.
YAML-Definition:
tooltip: "ruler" # text to use as tooltip
target: ~ # Id of Map element to query
type: 'line' # choose type line or area
You need a button to show this element. See Button for inherited configuration options.
JavaScript API
activate
Activates the widget which then waits for mouse click on the map and starts to measure.
deactivate
Deactivates the widget.