# The Mapper output window¶

Here is a typical Mapper output from one of the toy examples (the horse):

See here: Navigation in the figure windows

## Node highlighting¶

• Click on a node to highlight it.

• Shift-Click allows to select and de-select multiple nodes.

Mapper output window with several highlighted nodes.

• Click on the white background to reset the selection.

• L selects all nodes in the same level set(s) as the currently highlighted node(s).
• < moves to the next lower level set.
• > moves to the next higher level set.
• When 2- or 3-dimensional data is displayed, the data points in the selected nodes are highlighted accordingly.

Data points in the selected nodes above are highlighted.

• The identities of the selected data points can be saved to a file, see Save highlighted nodes below.