path trajectoire; trajectoire = (160.000,160.000)..(161.608,161.028)..(163.222,162.055)..(164.846,163.079)..(166.486,164.100) ..(168.147,165.115)..(169.836,166.123)..(171.558,167.121)..(173.320,168.105)..(175.129,169.072) ..(176.993,170.016)..(178.919,170.929)..(180.915,171.803)..(182.988,172.625)..(185.147,173.381) ..(187.394,174.052)..(189.731,174.618)..(192.155,175.054)..(194.653,175.336)..(197.209,175.442) ..(199.794,175.358)..(202.380,175.078)..(204.935,174.607)..(207.435,173.961)..(209.859,173.162) ..(212.198,172.234)..(214.447,171.203)..(216.609,170.088)..(218.687,168.910)..(220.690,167.683) ..(222.624,166.420)..(224.498,165.131)..(226.320,163.824)..(228.098,162.506)..(229.838,161.181) ..(231.548,159.854)..(233.233,158.530)..(234.899,157.210)..(236.551,155.900)..(238.194,154.601) ..(239.832,153.316)..(241.470,152.048)..(243.111,150.800)..(244.758,149.575)..(246.414,148.377) ..(248.082,147.208)..(249.764,146.071)..(251.461,144.971)..(253.176,143.912)..(254.908,142.897) ..(256.659,141.930)..(258.428,141.016)..(260.213,140.158)..(262.014,139.361)..(263.828,138.629) ..(265.653,137.966)..(267.484,137.375)..(269.319,136.859)..(271.152,136.420)..(272.979,136.060) ..(274.794,135.780)..(276.592,135.580)..(278.367,135.460)..(280.115,135.419)..(281.829,135.454) ..(283.505,135.564)..(285.139,135.744)..(286.726,135.991)..(288.264,136.302)..(289.750,136.671) ..(291.181,137.095)..(292.556,137.570)..(293.874,138.091)..(295.133,138.653)..(296.334,139.254) ..(297.476,139.888)..(298.561,140.553)..(299.588,141.245)..(300.559,141.960)..(301.473,142.697) ..(302.334,143.451)..(303.141,144.221)..(303.896,145.005)..(304.601,145.801)..(305.256,146.606) ..(305.863,147.420)..(306.423,148.241)..(306.938,149.067)..(307.409,149.898)..(307.837,150.733) ..(308.223,151.570)..(308.569,152.410)..(308.875,153.251)..(309.143,154.093)..(309.373,154.936) ..(309.566,155.780)..(309.723,156.624)..(309.845,157.468)..(309.931,158.312)..(309.983,159.156) ..(310.000,160.000)..(309.983,160.844)..(309.931,161.688)..(309.845,162.532)..(309.723,163.376) ..(309.566,164.220)..(309.373,165.064)..(309.143,165.907)..(308.875,166.749)..(308.569,167.590) ..(308.223,168.430)..(307.837,169.267)..(307.409,170.102)..(306.938,170.933)..(306.423,171.759) ..(305.863,172.580)..(305.256,173.394)..(304.601,174.199)..(303.896,174.995)..(303.141,175.779) ..(302.334,176.549)..(301.473,177.303)..(300.559,178.040)..(299.588,178.755)..(298.561,179.447) ..(297.476,180.112)..(296.334,180.746)..(295.133,181.347)..(293.874,181.909)..(292.556,182.430) ..(291.181,182.905)..(289.750,183.329)..(288.264,183.698)..(286.726,184.009)..(285.139,184.256) ..(283.505,184.436)..(281.829,184.546)..(280.115,184.581)..(278.367,184.540)..(276.592,184.420) ..(274.794,184.220)..(272.979,183.940)..(271.152,183.580)..(269.319,183.141)..(267.484,182.625) ..(265.653,182.034)..(263.828,181.371)..(262.014,180.639)..(260.213,179.842)..(258.428,178.984) ..(256.659,178.070)..(254.908,177.103)..(253.176,176.088)..(251.461,175.029)..(249.764,173.929) ..(248.082,172.792)..(246.414,171.623)..(244.758,170.425)..(243.111,169.200)..(241.470,167.952) ..(239.832,166.684)..(238.194,165.399)..(236.551,164.100)..(234.899,162.790)..(233.233,161.470) ..(231.548,160.146)..(229.838,158.819)..(228.098,157.494)..(226.320,156.176)..(224.498,154.869) ..(222.624,153.580)..(220.690,152.317)..(218.687,151.090)..(216.609,149.912)..(214.447,148.797) ..(212.198,147.766)..(209.859,146.838)..(207.435,146.039)..(204.935,145.393)..(202.380,144.922) ..(199.794,144.642)..(197.209,144.558)..(194.653,144.664)..(192.155,144.946)..(189.731,145.382) ..(187.394,145.948)..(185.147,146.619)..(182.988,147.375)..(180.915,148.197)..(178.919,149.071) ..(176.993,149.984)..(175.129,150.928)..(173.320,151.895)..(171.558,152.879)..(169.836,153.877) ..(168.147,154.885)..(166.486,155.900)..(164.846,156.921)..(163.222,157.945)..(161.608,158.972) ..(160.000,160.000)..(158.392,161.028)..(156.778,162.055)..(155.154,163.079)..(153.514,164.100) ..(151.853,165.115)..(150.164,166.123)..(148.442,167.121)..(146.680,168.105)..(144.871,169.072) ..(143.007,170.016)..(141.081,170.929)..(139.085,171.803)..(137.012,172.625)..(134.853,173.381) ..(132.606,174.052)..(130.269,174.618)..(127.845,175.054)..(125.347,175.336)..(122.791,175.442) ..(120.206,175.358)..(117.620,175.078)..(115.065,174.607)..(112.565,173.961)..(110.141,173.162) ..(107.802,172.234)..(105.553,171.203)..(103.391,170.088)..(101.313,168.910)..(99.310,167.683) ..(97.376,166.420)..(95.502,165.131)..(93.680,163.824)..(91.902,162.506)..(90.162,161.181) ..(88.452,159.854)..(86.767,158.530)..(85.101,157.210)..(83.449,155.900)..(81.806,154.601) ..(80.168,153.316)..(78.530,152.048)..(76.889,150.800)..(75.242,149.575)..(73.586,148.377) ..(71.918,147.208)..(70.236,146.071)..(68.539,144.971)..(66.824,143.912)..(65.092,142.897) ..(63.341,141.930)..(61.572,141.016)..(59.787,140.158)..(57.986,139.361)..(56.172,138.629) ..(54.347,137.966)..(52.516,137.375)..(50.681,136.859)..(48.848,136.420)..(47.021,136.060) ..(45.206,135.780)..(43.408,135.580)..(41.633,135.460)..(39.885,135.419)..(38.171,135.454) ..(36.495,135.564)..(34.861,135.744)..(33.274,135.991)..(31.736,136.302)..(30.250,136.671) ..(28.819,137.095)..(27.444,137.570)..(26.126,138.091)..(24.867,138.653)..(23.666,139.254) ..(22.524,139.888)..(21.439,140.553)..(20.412,141.245)..(19.441,141.960)..(18.527,142.697) ..(17.666,143.451)..(16.859,144.221)..(16.104,145.005)..(15.399,145.801)..(14.744,146.606) ..(14.137,147.420)..(13.577,148.241)..(13.062,149.067)..(12.591,149.898)..(12.163,150.733) ..(11.777,151.570)..(11.431,152.410)..(11.125,153.251)..(10.857,154.093)..(10.627,154.936) ..(10.434,155.780)..(10.277,156.624)..(10.155,157.468)..(10.069,158.312)..(10.017,159.156) ..(10.000,160.000)..(10.017,160.844)..(10.069,161.688)..(10.155,162.532)..(10.277,163.376) ..(10.434,164.220)..(10.627,165.064)..(10.857,165.907)..(11.125,166.749)..(11.431,167.590) ..(11.777,168.430)..(12.163,169.267)..(12.591,170.102)..(13.062,170.933)..(13.577,171.759) ..(14.137,172.580)..(14.744,173.394)..(15.399,174.199)..(16.104,174.995)..(16.859,175.779) ..(17.666,176.549)..(18.527,177.303)..(19.441,178.040)..(20.412,178.755)..(21.439,179.447) ..(22.524,180.112)..(23.666,180.746)..(24.867,181.347)..(26.126,181.909)..(27.444,182.430) ..(28.819,182.905)..(30.250,183.329)..(31.736,183.698)..(33.274,184.009)..(34.861,184.256) ..(36.495,184.436)..(38.171,184.546)..(39.885,184.581)..(41.633,184.540)..(43.408,184.420) ..(45.206,184.220)..(47.021,183.940)..(48.848,183.580)..(50.681,183.141)..(52.516,182.625) ..(54.347,182.034)..(56.172,181.371)..(57.986,180.639)..(59.787,179.842)..(61.572,178.984) ..(63.341,178.070)..(65.092,177.103)..(66.824,176.088)..(68.539,175.029)..(70.236,173.929) ..(71.918,172.792)..(73.586,171.623)..(75.242,170.425)..(76.889,169.200)..(78.530,167.952) ..(80.168,166.684)..(81.806,165.399)..(83.449,164.100)..(85.101,162.790)..(86.767,161.470) ..(88.452,160.146)..(90.162,158.819)..(91.902,157.494)..(93.680,156.176)..(95.502,154.869) ..(97.376,153.580)..(99.310,152.317)..(101.313,151.090)..(103.391,149.912)..(105.553,148.797) ..(107.802,147.766)..(110.141,146.838)..(112.565,146.039)..(115.065,145.393)..(117.620,144.922) ..(120.206,144.642)..(122.791,144.558)..(125.347,144.664)..(127.845,144.946)..(130.269,145.382) ..(132.606,145.948)..(134.853,146.619)..(137.012,147.375)..(139.085,148.197)..(141.081,149.071) ..(143.007,149.984)..(144.871,150.928)..(146.680,151.895)..(148.442,152.879)..(150.164,153.877) ..(151.853,154.885)..(153.514,155.900)..(155.154,156.921)..(156.778,157.945)..(158.392,158.972) ..(160.000,160.000); b := 80; d := 400; 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