/** * draw a paraboloid * * @param center center * @param ev0 first eigenvector * @param ev1 second eigenvector * @param ev2 third eigenvector * @param r0 first half axis * @param r1 second half axis * @param longitude longitude length for rendering * @param min minimum parameter for axis * @param max maximum parameter for axis * @param fading if we need fading or not */ public void drawParaboloid( Coords center, Coords ev0, Coords ev1, Coords ev2, double r0, double r1, int longitude, double min, double max, boolean fading) { if (managerElements == null) { managerElements = new ManagerElementForGLList(manager.getRenderer(), manager.getView3D(), manager); plotterElements = new PlotterSurfaceElements(managerElements); } plotterElements.drawParaboloid(center, ev0, ev1, ev2, r0, r1, longitude, min, max, fading); }