path trajectoire; trajectoire = (310.000,160.000)..(309.871,158.248)..(309.482,156.521)..(308.828,154.845)..(307.908,153.246) ..(306.719,151.754)..(305.265,150.402)..(303.557,149.226)..(301.616,148.258)..(299.471,147.528) ..(297.159,147.055)..(294.723,146.843)..(292.200,146.881)..(289.618,147.146)..(286.988,147.601) ..(284.301,148.212)..(281.520,148.946)..(278.574,149.789)..(275.340,150.778)..(271.636,152.089) ..(267.408,154.203)..(263.194,157.523)..(259.538,161.617)..(256.386,165.975)..(253.561,170.389) ..(250.938,174.792)..(248.438,179.161)..(246.011,183.491)..(243.624,187.781)..(241.253,192.035) ..(238.881,196.258)..(236.496,200.454)..(234.090,204.631)..(231.658,208.796)..(229.197,212.960) ..(226.707,217.134)..(224.192,221.333)..(221.659,225.579)..(219.122,229.897)..(216.605,234.324) ..(214.155,238.910)..(211.867,243.725)..(209.945,248.838)..(208.808,254.174)..(208.791,259.164) ..(209.431,263.290)..(210.193,266.740)..(210.940,269.802)..(211.686,272.634)..(212.475,275.311) ..(213.356,277.858)..(214.367,280.275)..(215.538,282.538)..(216.882,284.613)..(218.395,286.462) ..(220.057,288.048)..(221.836,289.346)..(223.692,290.339)..(225.585,291.024)..(227.479,291.407) ..(229.341,291.498)..(231.144,291.314)..(232.866,290.870)..(234.486,290.184)..(235.984,289.269) ..(237.338,288.139)..(238.525,286.801)..(239.519,285.268)..(240.295,283.550)..(240.826,281.665) ..(241.087,279.639)..(241.055,277.502)..(240.718,275.294)..(240.072,273.056)..(239.131,270.829) ..(237.919,268.644)..(236.470,266.519)..(234.820,264.454)..(233.000,262.427)..(231.026,260.399) ..(228.888,258.308)..(226.521,256.071)..(223.747,253.601)..(220.170,250.957)..(215.481,248.690) ..(210.168,247.304)..(204.790,246.600)..(199.515,246.277)..(194.356,246.161)..(189.294,246.157) ..(184.309,246.209)..(179.384,246.285)..(174.503,246.361)..(169.652,246.425)..(164.821,246.466) ..(160.000,246.481)..(155.179,246.466)..(150.348,246.425)..(145.497,246.361)..(140.616,246.285) ..(135.691,246.209)..(130.706,246.157)..(125.644,246.161)..(120.485,246.277)..(115.210,246.600) ..(109.832,247.304)..(104.519,248.690)..(99.830,250.957)..(96.253,253.601)..(93.479,256.071) ..(91.112,258.308)..(88.974,260.399)..(87.000,262.427)..(85.180,264.454)..(83.530,266.519) ..(82.081,268.644)..(80.869,270.829)..(79.928,273.056)..(79.282,275.294)..(78.945,277.502) ..(78.913,279.639)..(79.174,281.665)..(79.705,283.550)..(80.481,285.268)..(81.475,286.801) ..(82.662,288.139)..(84.016,289.269)..(85.514,290.184)..(87.134,290.870)..(88.856,291.314) ..(90.659,291.498)..(92.521,291.407)..(94.415,291.024)..(96.308,290.339)..(98.164,289.346) ..(99.943,288.048)..(101.605,286.462)..(103.118,284.613)..(104.462,282.538)..(105.633,280.275) ..(106.644,277.858)..(107.525,275.311)..(108.314,272.634)..(109.060,269.802)..(109.807,266.740) ..(110.569,263.290)..(111.209,259.164)..(111.192,254.174)..(110.055,248.838)..(108.133,243.725) ..(105.845,238.910)..(103.395,234.324)..(100.878,229.897)..(98.341,225.579)..(95.808,221.333) ..(93.293,217.134)..(90.803,212.960)..(88.342,208.796)..(85.910,204.631)..(83.504,200.454) ..(81.119,196.258)..(78.747,192.035)..(76.376,187.781)..(73.989,183.491)..(71.562,179.161) ..(69.062,174.792)..(66.439,170.389)..(63.614,165.975)..(60.462,161.617)..(56.806,157.523) ..(52.592,154.203)..(48.364,152.089)..(44.660,150.778)..(41.426,149.789)..(38.480,148.946) ..(35.699,148.212)..(33.012,147.601)..(30.382,147.146)..(27.800,146.881)..(25.277,146.843) ..(22.841,147.055)..(20.529,147.528)..(18.384,148.258)..(16.443,149.226)..(14.735,150.402) ..(13.281,151.754)..(12.092,153.246)..(11.172,154.845)..(10.518,156.521)..(10.129,158.248) ..(10.000,160.000)..(10.129,161.752)..(10.518,163.479)..(11.172,165.155)..(12.092,166.754) ..(13.281,168.246)..(14.735,169.598)..(16.443,170.774)..(18.384,171.742)..(20.529,172.472) ..(22.841,172.945)..(25.277,173.157)..(27.800,173.119)..(30.382,172.854)..(33.012,172.399) ..(35.699,171.788)..(38.480,171.054)..(41.426,170.211)..(44.660,169.222)..(48.364,167.911) ..(52.592,165.797)..(56.806,162.477)..(60.462,158.383)..(63.614,154.025)..(66.439,149.611) ..(69.062,145.208)..(71.562,140.839)..(73.989,136.509)..(76.376,132.219)..(78.747,127.965) ..(81.119,123.742)..(83.504,119.546)..(85.910,115.369)..(88.342,111.204)..(90.803,107.040) ..(93.293,102.866)..(95.808,98.667)..(98.341,94.421)..(100.878,90.103)..(103.395,85.676) ..(105.845,81.090)..(108.133,76.275)..(110.055,71.162)..(111.192,65.826)..(111.209,60.836) ..(110.569,56.710)..(109.807,53.260)..(109.060,50.198)..(108.314,47.366)..(107.525,44.689) ..(106.644,42.142)..(105.633,39.725)..(104.462,37.462)..(103.118,35.387)..(101.605,33.538) ..(99.943,31.952)..(98.164,30.654)..(96.308,29.661)..(94.415,28.976)..(92.521,28.593) ..(90.659,28.502)..(88.856,28.686)..(87.134,29.130)..(85.514,29.816)..(84.016,30.731) ..(82.662,31.861)..(81.475,33.199)..(80.481,34.732)..(79.705,36.450)..(79.174,38.335) ..(78.913,40.361)..(78.945,42.498)..(79.282,44.706)..(79.928,46.944)..(80.869,49.171) ..(82.081,51.356)..(83.530,53.481)..(85.180,55.546)..(87.000,57.573)..(88.974,59.601) ..(91.112,61.692)..(93.479,63.929)..(96.253,66.399)..(99.830,69.043)..(104.519,71.310) ..(109.832,72.696)..(115.210,73.400)..(120.485,73.723)..(125.644,73.839)..(130.706,73.843) ..(135.691,73.791)..(140.616,73.715)..(145.497,73.639)..(150.348,73.575)..(155.179,73.534) ..(160.000,73.519)..(164.821,73.534)..(169.652,73.575)..(174.503,73.639)..(179.384,73.715) ..(184.309,73.791)..(189.294,73.843)..(194.356,73.839)..(199.515,73.723)..(204.790,73.400) ..(210.168,72.696)..(215.481,71.310)..(220.170,69.043)..(223.747,66.399)..(226.521,63.929) ..(228.888,61.692)..(231.026,59.601)..(233.000,57.573)..(234.820,55.546)..(236.470,53.481) ..(237.919,51.356)..(239.131,49.171)..(240.072,46.944)..(240.718,44.706)..(241.055,42.498) ..(241.087,40.361)..(240.826,38.335)..(240.295,36.450)..(239.519,34.732)..(238.525,33.199) ..(237.338,31.861)..(235.984,30.731)..(234.486,29.816)..(232.866,29.130)..(231.144,28.686) ..(229.341,28.502)..(227.479,28.593)..(225.585,28.976)..(223.692,29.661)..(221.836,30.654) ..(220.057,31.952)..(218.395,33.538)..(216.882,35.387)..(215.538,37.462)..(214.367,39.725) ..(213.356,42.142)..(212.475,44.689)..(211.686,47.366)..(210.940,50.198)..(210.193,53.260) ..(209.431,56.710)..(208.791,60.836)..(208.808,65.826)..(209.945,71.162)..(211.867,76.275) ..(214.155,81.090)..(216.605,85.676)..(219.122,90.103)..(221.659,94.421)..(224.192,98.667) ..(226.707,102.866)..(229.197,107.040)..(231.658,111.204)..(234.090,115.369)..(236.496,119.546) ..(238.881,123.742)..(241.253,127.965)..(243.624,132.219)..(246.011,136.509)..(248.438,140.839) ..(250.938,145.208)..(253.561,149.611)..(256.386,154.025)..(259.538,158.383)..(263.194,162.477) ..(267.408,165.797)..(271.636,167.911)..(275.340,169.222)..(278.574,170.211)..(281.520,171.054) ..(284.301,171.788)..(286.988,172.399)..(289.618,172.854)..(292.200,173.119)..(294.723,173.157) ..(297.159,172.945)..(299.471,172.472)..(301.616,171.742)..(303.557,170.774)..(305.265,169.598) ..(306.719,168.246)..(307.908,166.754)..(308.828,165.155)..(309.482,163.479)..(309.871,161.752) ..(310.000,160.000); b := 20; d := 380; 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