path trajectoire; trajectoire = (310.000,160.000)..(309.890,157.264)..(309.561,154.532)..(309.010,151.805)..(308.234,149.086) ..(307.230,146.378)..(305.993,143.684)..(304.515,141.006)..(302.790,138.346)..(300.808,135.704) ..(298.559,133.084)..(296.033,130.484)..(293.218,127.908)..(290.102,125.356)..(286.669,122.829) ..(282.907,120.332)..(278.798,117.871)..(274.325,115.460)..(269.461,113.119)..(264.175,110.882) ..(258.419,108.799)..(252.133,106.951)..(245.245,105.476)..(237.692,104.613)..(229.516,104.763) ..(221.085,106.401)..(213.096,109.577)..(205.913,113.748)..(199.381,118.444)..(193.260,123.500) ..(187.419,128.906)..(181.815,134.683)..(176.465,140.839)..(171.404,147.356)..(166.668,154.201) ..(162.294,161.324)..(158.313,168.674)..(154.753,176.197)..(151.640,183.840)..(148.984,191.551) ..(146.783,199.293)..(145.022,207.055)..(143.703,214.884)..(142.903,222.890)..(142.882,231.197) ..(144.127,239.704)..(146.924,247.825)..(150.883,254.981)..(155.406,261.090)..(160.128,266.317) ..(164.871,270.837)..(169.553,274.780)..(174.134,278.240)..(178.593,281.281)..(182.917,283.950) ..(187.103,286.277)..(191.147,288.287)..(195.051,289.996)..(198.820,291.419)..(202.458,292.569) ..(205.972,293.457)..(209.366,294.094)..(212.644,294.489)..(215.811,294.653)..(218.869,294.594) ..(221.821,294.319)..(224.668,293.834)..(227.410,293.147)..(230.047,292.260)..(232.579,291.179) ..(235.003,289.906)..(237.317,288.444)..(239.519,286.792)..(241.605,284.951)..(243.572,282.920) ..(245.414,280.697)..(247.129,278.278)..(248.709,275.659)..(250.151,272.835)..(251.447,269.798) ..(252.592,266.540)..(253.580,263.054)..(254.404,259.328)..(255.056,255.352)..(255.528,251.116) ..(255.810,246.609)..(255.886,241.821)..(255.738,236.741)..(255.333,231.360)..(254.628,225.663) ..(253.554,219.636)..(252.011,213.269)..(249.845,206.567)..(246.817,199.595)..(242.599,192.589) ..(236.965,186.106)..(230.221,180.775)..(223.016,176.639)..(215.683,173.329)..(208.243,170.557) ..(200.639,168.200)..(192.834,166.236)..(184.828,164.680)..(176.652,163.555)..(168.357,162.876) ..(160.000,162.650)..(151.643,162.876)..(143.348,163.555)..(135.172,164.680)..(127.166,166.236) ..(119.361,168.200)..(111.757,170.557)..(104.317,173.329)..(96.984,176.639)..(89.779,180.775) ..(83.035,186.106)..(77.401,192.589)..(73.183,199.595)..(70.155,206.567)..(67.989,213.269) ..(66.446,219.636)..(65.372,225.663)..(64.667,231.360)..(64.262,236.741)..(64.114,241.821) ..(64.190,246.609)..(64.472,251.116)..(64.944,255.352)..(65.596,259.328)..(66.420,263.054) ..(67.408,266.540)..(68.553,269.798)..(69.849,272.835)..(71.291,275.659)..(72.871,278.278) ..(74.586,280.697)..(76.428,282.920)..(78.395,284.951)..(80.481,286.792)..(82.683,288.444) ..(84.997,289.906)..(87.421,291.179)..(89.953,292.260)..(92.590,293.147)..(95.332,293.834) ..(98.179,294.319)..(101.131,294.594)..(104.189,294.653)..(107.356,294.489)..(110.634,294.094) ..(114.028,293.457)..(117.542,292.569)..(121.180,291.419)..(124.949,289.996)..(128.853,288.287) ..(132.897,286.277)..(137.083,283.950)..(141.407,281.281)..(145.866,278.240)..(150.447,274.780) ..(155.129,270.837)..(159.872,266.317)..(164.594,261.090)..(169.117,254.981)..(173.076,247.825) ..(175.873,239.704)..(177.118,231.197)..(177.097,222.890)..(176.297,214.884)..(174.978,207.055) ..(173.217,199.293)..(171.016,191.551)..(168.360,183.840)..(165.247,176.197)..(161.687,168.674) ..(157.706,161.324)..(153.332,154.201)..(148.596,147.356)..(143.535,140.839)..(138.185,134.683) ..(132.581,128.906)..(126.740,123.500)..(120.619,118.444)..(114.087,113.748)..(106.904,109.577) ..(98.915,106.401)..(90.484,104.763)..(82.308,104.613)..(74.755,105.476)..(67.867,106.951) ..(61.581,108.799)..(55.825,110.882)..(50.539,113.119)..(45.675,115.460)..(41.202,117.871) ..(37.093,120.332)..(33.331,122.829)..(29.898,125.356)..(26.782,127.908)..(23.967,130.484) ..(21.441,133.084)..(19.192,135.704)..(17.210,138.346)..(15.485,141.006)..(14.007,143.684) ..(12.770,146.378)..(11.766,149.086)..(10.990,151.805)..(10.439,154.532)..(10.110,157.264) ..(10.000,160.000)..(10.110,162.736)..(10.439,165.468)..(10.990,168.195)..(11.766,170.914) ..(12.770,173.622)..(14.007,176.316)..(15.485,178.994)..(17.210,181.654)..(19.192,184.296) ..(21.441,186.916)..(23.967,189.516)..(26.782,192.092)..(29.898,194.644)..(33.331,197.171) ..(37.093,199.668)..(41.202,202.129)..(45.675,204.540)..(50.539,206.881)..(55.825,209.118) ..(61.581,211.201)..(67.867,213.049)..(74.755,214.524)..(82.308,215.387)..(90.484,215.237) ..(98.915,213.599)..(106.904,210.423)..(114.087,206.252)..(120.619,201.556)..(126.740,196.500) ..(132.581,191.094)..(138.185,185.317)..(143.535,179.161)..(148.596,172.644)..(153.332,165.799) ..(157.706,158.676)..(161.687,151.326)..(165.247,143.803)..(168.360,136.160)..(171.016,128.449) ..(173.217,120.707)..(174.978,112.945)..(176.297,105.116)..(177.097,97.110)..(177.118,88.803) ..(175.873,80.296)..(173.076,72.175)..(169.117,65.019)..(164.594,58.910)..(159.872,53.683) ..(155.129,49.163)..(150.447,45.220)..(145.866,41.760)..(141.407,38.719)..(137.083,36.050) ..(132.897,33.723)..(128.853,31.713)..(124.949,30.004)..(121.180,28.581)..(117.542,27.431) ..(114.028,26.543)..(110.634,25.906)..(107.356,25.511)..(104.189,25.347)..(101.131,25.406) ..(98.179,25.681)..(95.332,26.166)..(92.590,26.853)..(89.953,27.740)..(87.421,28.821) ..(84.997,30.094)..(82.683,31.556)..(80.481,33.208)..(78.395,35.049)..(76.428,37.080) ..(74.586,39.303)..(72.871,41.722)..(71.291,44.341)..(69.849,47.165)..(68.553,50.202) ..(67.408,53.460)..(66.420,56.946)..(65.596,60.672)..(64.944,64.648)..(64.472,68.884) ..(64.190,73.391)..(64.114,78.179)..(64.262,83.259)..(64.667,88.640)..(65.372,94.337) ..(66.446,100.364)..(67.989,106.731)..(70.155,113.433)..(73.183,120.405)..(77.401,127.411) ..(83.035,133.894)..(89.779,139.225)..(96.984,143.361)..(104.317,146.671)..(111.757,149.443) ..(119.361,151.800)..(127.166,153.764)..(135.172,155.320)..(143.348,156.445)..(151.643,157.124) ..(160.000,157.350)..(168.357,157.124)..(176.652,156.445)..(184.828,155.320)..(192.834,153.764) ..(200.639,151.800)..(208.243,149.443)..(215.683,146.671)..(223.016,143.361)..(230.221,139.225) ..(236.965,133.894)..(242.599,127.411)..(246.817,120.405)..(249.845,113.433)..(252.011,106.731) ..(253.554,100.364)..(254.628,94.337)..(255.333,88.640)..(255.738,83.259)..(255.886,78.179) ..(255.810,73.391)..(255.528,68.884)..(255.056,64.648)..(254.404,60.672)..(253.580,56.946) ..(252.592,53.460)..(251.447,50.202)..(250.151,47.165)..(248.709,44.341)..(247.129,41.722) ..(245.414,39.303)..(243.572,37.080)..(241.605,35.049)..(239.519,33.208)..(237.317,31.556) ..(235.003,30.094)..(232.579,28.821)..(230.047,27.740)..(227.410,26.853)..(224.668,26.166) ..(221.821,25.681)..(218.869,25.406)..(215.811,25.347)..(212.644,25.511)..(209.366,25.906) ..(205.972,26.543)..(202.458,27.431)..(198.820,28.581)..(195.051,30.004)..(191.147,31.713) ..(187.103,33.723)..(182.917,36.050)..(178.593,38.719)..(174.134,41.760)..(169.553,45.220) ..(164.871,49.163)..(160.128,53.683)..(155.406,58.910)..(150.883,65.019)..(146.924,72.175) ..(144.127,80.296)..(142.882,88.803)..(142.903,97.110)..(143.703,105.116)..(145.022,112.945) ..(146.783,120.707)..(148.984,128.449)..(151.640,136.160)..(154.753,143.803)..(158.313,151.326) ..(162.294,158.676)..(166.668,165.799)..(171.404,172.644)..(176.465,179.161)..(181.815,185.317) ..(187.419,191.094)..(193.260,196.500)..(199.381,201.556)..(205.913,206.252)..(213.096,210.423) ..(221.085,213.599)..(229.516,215.237)..(237.692,215.387)..(245.245,214.524)..(252.133,213.049) ..(258.419,211.201)..(264.175,209.118)..(269.461,206.881)..(274.325,204.540)..(278.798,202.129) ..(282.907,199.668)..(286.669,197.171)..(290.102,194.644)..(293.218,192.092)..(296.033,189.516) ..(298.559,186.916)..(300.808,184.296)..(302.790,181.654)..(304.515,178.994)..(305.993,176.316) ..(307.230,173.622)..(308.234,170.914)..(309.010,168.195)..(309.561,165.468)..(309.890,162.736) ..(310.000,160.000); b := 60; d := 420; 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