## / root / Beispiele für geometrische Orte / Wattkurve

## Quelltext der Konstruktion

      board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox:[-4, 6, 10, -4], axis: true, grid: false,
                                     keepaspectratio: true, showcopyright: false});
      p1 = board.createElement('point', [0, 0]);
      p2 = board.createElement('point', [6, -1]);
      c1 = board.createElement('circle', [p1, 2]);
      c2 = board.createElement('circle', [p2, 1.5]);
      g1 = board.createElement('glider', [6, 3, c1], {name:"D"});
      c3 = board.createElement('circle', [g1, 4]);
      g2 = board.createElement('intersection', [c2,c3,0], {name: "I"});
      m1 = board.createElement('midpoint', [g1,g2], {name:"T",trace:false});

      loc = board.createElement('locus', [m1], {strokeColor: 'red', strokeWidth: '1px'});