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### Editing a 2d/3d polygon

| Vec : Vector mode Spl : Spline mode This two buttons define the polygon mode. In Vec mode, a straight line joins two concecutive points. In Spl mode, the polygon is interpolated to be smooth. The number of step added between two consecutive points is a quater of the spline resolution.The following pictures show the difference between the two modes. vector mode : spline mode : : Add a point. Adds a point to the nearest part of the polygon each time the user click. : Delete a point. Deletes a the point each time the user click. : Square. Sets the polygon to a square, center at the origin. the result is : : Regular polygon. Defines a regular polygon. The numer of points and the radius is asked. Each points rely on the circle with the world origin as center. The result of a 6 points regular polygon, with a radius of 10 is : : Load a polygon (*.p2d / *.p3d). Loads a polygon. : Save a polygon (*.p2d / *.p3d. Saves the current polygon. : Ok. Proceed. : Cancel. Cancels the current operation.

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