4. Editor Modes

Editor Modes allows to switch between URoadSplineComponent editing modes to edit spline properties described in Road Model:
.

4.1. Spline Mode

This mode allows to interact with URoadSplineComponent as with a regular UnrealEngine spline - create and delete nodes, edit tangents. The spline itself is pink in this mode. According to Road Model, Spline Mode is the editing mode for the Road Reference Line:

Additional spline editing features - the ability to assign a node type - Arc:

You can also manage spline connections in this mode (see Intersections and Junctions):

In the Details Panel, in the Selection group, you can edit the selected spline node:

4.2. Section Mode

This mode allows to edit Road Lanes and Lane Sections described in the Road Model:

You can add and delete Road Sections via the context menu:

You can also add and delete Road Lanes:

In the Details Panel, in the Selection group, you can edit the selected Road Section:

The Details Panel in the Selection group also allows you to edit the selected Road Lane:

4.3. Offset Mode

This mode allows to set the Center Lane offset relative to the Road Reference Line and corresponds to the Lane Offset described in Road Model. Editing the Road Offset width is similar to editing a spline - you can set any shape, add/delete nodes, and edit tangents:

In the Details Panel, in the Selection group, you can edit the selected Offset Key:

4.4. Width Mode

This mode allows you to edit the width of the Road Lane. Editing the Road Lane is similar to editing a spline - you can set any shape, add/delete nodes, and edit tangents:

In the Details Panel, in the Selection group, you can edit the selected Width Key: