path trajectoire; trajectoire = (160.000,160.000)..(162.314,161.240)..(164.686,162.466)..(167.176,163.641)..(169.863,164.709) ..(172.830,165.527)..(176.036,165.848)..(179.242,165.533)..(182.204,164.720)..(184.882,163.659) ..(187.362,162.490)..(189.720,161.267)..(192.017,160.032)..(194.313,158.797)..(196.666,157.572) ..(199.137,156.400)..(201.806,155.336)..(204.760,154.521)..(207.957,154.215)..(211.151,154.559) ..(214.092,155.409)..(216.739,156.512)..(219.183,157.722)..(221.501,158.982)..(223.754,160.254) ..(226.008,161.522)..(228.318,162.769)..(230.743,163.956)..(233.359,165.017)..(236.226,165.815) ..(239.293,166.140)..(242.352,165.877)..(245.187,165.137)..(247.747,164.136)..(250.099,163.008) ..(252.313,161.814)..(254.450,160.598)..(256.575,159.370)..(258.752,158.142)..(261.052,156.957) ..(263.577,155.868)..(266.448,155.045)..(269.633,154.825)..(272.810,155.402)..(275.648,156.579) ..(278.114,158.015)..(280.350,159.532)..(282.443,161.066)..(284.465,162.564)..(286.489,163.993) ..(288.544,165.324)..(290.652,166.503)..(292.831,167.479)..(295.051,168.203)..(297.260,168.625) ..(299.402,168.733)..(301.398,168.547)..(303.193,168.108)..(304.768,167.475)..(306.107,166.705) ..(307.216,165.839)..(308.120,164.913)..(308.826,163.953)..(309.352,162.972)..(309.719,161.983) ..(309.933,160.993)..(310.000,160.000)..(309.933,159.007)..(309.719,158.017)..(309.352,157.028) ..(308.826,156.047)..(308.120,155.087)..(307.216,154.161)..(306.107,153.295)..(304.768,152.525) ..(303.193,151.892)..(301.398,151.453)..(299.402,151.267)..(297.260,151.375)..(295.051,151.797) ..(292.831,152.521)..(290.652,153.497)..(288.544,154.676)..(286.489,156.007)..(284.465,157.436) ..(282.443,158.934)..(280.350,160.468)..(278.114,161.985)..(275.648,163.421)..(272.810,164.598) ..(269.633,165.175)..(266.448,164.955)..(263.577,164.132)..(261.052,163.043)..(258.752,161.858) ..(256.575,160.630)..(254.450,159.402)..(252.313,158.186)..(250.099,156.992)..(247.747,155.864) ..(245.187,154.863)..(242.352,154.123)..(239.293,153.860)..(236.226,154.185)..(233.359,154.983) ..(230.743,156.044)..(228.318,157.231)..(226.008,158.478)..(223.754,159.746)..(221.501,161.018) ..(219.183,162.278)..(216.739,163.488)..(214.092,164.591)..(211.151,165.441)..(207.957,165.785) ..(204.760,165.479)..(201.806,164.664)..(199.137,163.600)..(196.666,162.428)..(194.313,161.203) ..(192.017,159.968)..(189.720,158.733)..(187.362,157.510)..(184.882,156.341)..(182.204,155.280) ..(179.242,154.467)..(176.036,154.152)..(172.830,154.473)..(169.863,155.291)..(167.176,156.359) ..(164.686,157.534)..(162.314,158.760)..(160.000,160.000)..(157.686,161.240)..(155.314,162.466) ..(152.824,163.641)..(150.137,164.709)..(147.170,165.527)..(143.964,165.848)..(140.758,165.533) ..(137.796,164.720)..(135.118,163.659)..(132.638,162.490)..(130.280,161.267)..(127.983,160.032) ..(125.687,158.797)..(123.334,157.572)..(120.863,156.400)..(118.194,155.336)..(115.240,154.521) ..(112.043,154.215)..(108.849,154.559)..(105.908,155.409)..(103.261,156.512)..(100.817,157.722) ..(98.499,158.982)..(96.246,160.254)..(93.992,161.522)..(91.682,162.769)..(89.257,163.956) ..(86.641,165.017)..(83.774,165.815)..(80.707,166.140)..(77.648,165.877)..(74.813,165.137) ..(72.253,164.136)..(69.901,163.008)..(67.687,161.814)..(65.550,160.598)..(63.425,159.370) ..(61.248,158.142)..(58.948,156.957)..(56.423,155.868)..(53.552,155.045)..(50.367,154.825) ..(47.190,155.402)..(44.352,156.579)..(41.886,158.015)..(39.650,159.532)..(37.557,161.066) ..(35.535,162.564)..(33.511,163.993)..(31.456,165.324)..(29.348,166.503)..(27.169,167.479) ..(24.949,168.203)..(22.740,168.625)..(20.598,168.733)..(18.602,168.547)..(16.807,168.108) ..(15.232,167.475)..(13.893,166.705)..(12.784,165.839)..(11.880,164.913)..(11.174,163.953) ..(10.648,162.972)..(10.281,161.983)..(10.067,160.993)..(10.000,160.000)..(10.067,159.007) ..(10.281,158.017)..(10.648,157.028)..(11.174,156.047)..(11.880,155.087)..(12.784,154.161) ..(13.893,153.295)..(15.232,152.525)..(16.807,151.892)..(18.602,151.453)..(20.598,151.267) ..(22.740,151.375)..(24.949,151.797)..(27.169,152.521)..(29.348,153.497)..(31.456,154.676) ..(33.511,156.007)..(35.535,157.436)..(37.557,158.934)..(39.650,160.468)..(41.886,161.985) ..(44.352,163.421)..(47.190,164.598)..(50.367,165.175)..(53.552,164.955)..(56.423,164.132) ..(58.948,163.043)..(61.248,161.858)..(63.425,160.630)..(65.550,159.402)..(67.687,158.186) ..(69.901,156.992)..(72.253,155.864)..(74.813,154.863)..(77.648,154.123)..(80.707,153.860) ..(83.774,154.185)..(86.641,154.983)..(89.257,156.044)..(91.682,157.231)..(93.992,158.478) ..(96.246,159.746)..(98.499,161.018)..(100.817,162.278)..(103.261,163.488)..(105.908,164.591) ..(108.849,165.441)..(112.043,165.785)..(115.240,165.479)..(118.194,164.664)..(120.863,163.600) ..(123.334,162.428)..(125.687,161.203)..(127.983,159.968)..(130.280,158.733)..(132.638,157.510) ..(135.118,156.341)..(137.796,155.280)..(140.758,154.467)..(143.964,154.152)..(147.170,154.473) ..(150.137,155.291)..(152.824,156.359)..(155.314,157.534)..(157.686,158.760)..(160.000,160.000); b := 24; d := 264; 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