River Editor lets you edit an existing river or start creating a new one. To open the Editor, click on any river on the map (the Rivers layer must be visible).

Editing the course

Control points are shown as circles along the river. Drag a point to move the river course, click a point to remove it, or click the river itself to insert a new point at that position.

Fields

• Name — river name. Use the book icon to generate a culture-specific name, the globe icon for a fully random one, or the speaker icon to hear it
• Type — free text such as river, fork, creek, brook or stream. It is appended to the name on the map label
• Mainstem — the parent river this one flows into
• Basin — the drainage basin (watershed) the river belongs to. Read-only
• Discharge — the river flux power. Read-only
• Length — river length in the selected units. Read-only
• Mouth width — river width at the mouth in the selected units. Read-only
• Source width — additional width at the river source, 0 by default
• Width modifier — multiplier applied to the whole river width, 1 by default

Buttons

• Create a new river — switch to selecting cells for a new river
• Edit style — open the Style Editor for the whole Rivers layer
• Elevation profile — show the river elevation profile
• Legend — edit free text notes (legend) for the river
• Remove — delete the river (also bound to Delete)

Close the Editor when customization is done.