Referential Shape
The Referential shape defines a coordinate system on the board where child shapes (points, bodies, vectors) are positioned.
Overview
A Referential shape establishes a 2D coordinate system with configurable origin, scale, and axis labels. All positional child shapes (Points, Bodies, Vectors, Lines) must live inside a Referential. The referential translates mathematical coordinates into pixel positions on the board.
Toolbar
Screenshot: Referential shape toolbar
Properties Panel
Screenshot: Referential properties panel
| Property | Description |
|---|---|
| Origin X / Y | Board position of the coordinate origin |
| Scale X / Y | Pixels per unit for each axis |
| Show axes | Display the X and Y axis lines |
| Show grid | Display a background grid |
| X label / Y label | Axis label text |
| X range / Y range | Visible coordinate range |
Child shapes reference their parent referential terms using dotted names:
body.x, point.y.