path trajectoire; trajectoire = (229.501,160.000)..(229.295,173.242)..(228.673,186.546)..(227.654,199.950)..(226.330,213.448) ..(224.956,226.998)..(223.997,240.532)..(224.083,253.869)..(225.802,266.550)..(229.322,277.841) ..(234.190,287.135)..(239.680,294.331)..(245.234,299.708)..(250.566,303.639)..(255.568,306.438) ..(260.220,308.333)..(264.536,309.484)..(268.538,310.000)..(272.247,309.958)..(275.678,309.410) ..(278.844,308.389)..(281.749,306.911)..(284.393,304.984)..(286.770,302.600)..(288.864,299.741) ..(290.647,296.378)..(292.077,292.464)..(293.091,287.939)..(293.591,282.722)..(293.425,276.718) ..(292.349,269.833)..(289.991,262.032)..(285.849,253.454)..(279.439,244.560)..(270.657,236.093) ..(259.985,228.630)..(248.181,222.203)..(235.865,216.434)..(223.441,210.876)..(211.156,205.216) ..(199.131,199.303)..(187.391,193.083)..(175.896,186.525)..(164.588,179.599)..(153.417,172.274) ..(142.349,164.570)..(131.329,156.616)..(120.239,148.715)..(108.891,141.372)..(97.183,135.278) ..(85.360,131.146)..(74.097,129.314)..(64.088,129.486)..(55.637,131.026)..(48.682,133.362) ..(43.018,136.128)..(38.431,139.121)..(34.748,142.235)..(31.840,145.415)..(29.608,148.633) ..(27.987,151.871)..(26.930,155.119)..(26.409,158.373)..(26.409,161.627)..(26.930,164.881) ..(27.987,168.129)..(29.608,171.367)..(31.840,174.585)..(34.748,177.765)..(38.431,180.879) ..(43.018,183.872)..(48.682,186.638)..(55.637,188.974)..(64.088,190.514)..(74.097,190.686) ..(85.360,188.854)..(97.183,184.722)..(108.891,178.628)..(120.239,171.285)..(131.329,163.384) ..(142.349,155.430)..(153.417,147.726)..(164.588,140.401)..(175.896,133.475)..(187.391,126.917) ..(199.131,120.697)..(211.156,114.784)..(223.441,109.124)..(235.865,103.566)..(248.181,97.797) ..(259.985,91.370)..(270.657,83.907)..(279.439,75.440)..(285.849,66.546)..(289.991,57.968) ..(292.349,50.167)..(293.425,43.282)..(293.591,37.278)..(293.091,32.061)..(292.077,27.536) ..(290.647,23.622)..(288.864,20.259)..(286.770,17.400)..(284.393,15.016)..(281.749,13.089) ..(278.844,11.611)..(275.678,10.590)..(272.247,10.042)..(268.538,10.000)..(264.536,10.516) ..(260.220,11.667)..(255.568,13.562)..(250.566,16.361)..(245.234,20.292)..(239.680,25.669) ..(234.190,32.865)..(229.322,42.159)..(225.802,53.450)..(224.083,66.131)..(223.997,79.468) ..(224.956,93.002)..(226.330,106.552)..(227.654,120.050)..(228.673,133.454)..(229.295,146.758) ..(229.501,160.000); b := 25; d := 125; beginfig(1); draw trajectoire withpen pencircle scaled 1pt withcolor 0.4white; for i:= b step b until d: draw (point i of trajectoire) withpen pencircle scaled 5pt withcolor blue; endfor; draw (point 0 of trajectoire) withpen pencircle scaled 5pt withcolor red; endfig; end