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3-d geometry

3-d geometry is based on the same principle than 2-d geometry: a subsession at the left and the representation in the middle. Mouse interaction outside the representation will change the viewpoint, inside the representation it will depending on the mode draw points, segments, ... according to the mouse plan displayed above (all mouse clicks are supposed to refer to this plan, which is perpendicular to the visualisation axis).



giac documentation written by Bernard Parisse