path trajectoire; trajectoire = (176.783,215.175)..(178.676,216.404)..(180.572,217.595)..(182.471,218.748)..(184.374,219.861) ..(186.280,220.936)..(188.191,221.972)..(190.105,222.967)..(192.025,223.923)..(193.949,224.838) ..(195.877,225.712)..(197.811,226.546)..(199.749,227.338)..(201.693,228.088)..(203.642,228.798) ..(205.596,229.465)..(207.555,230.091)..(209.519,230.676)..(211.487,231.219)..(213.459,231.720) ..(215.435,232.178)..(217.413,232.595)..(219.394,232.969)..(221.376,233.300)..(223.359,233.589) ..(225.343,233.835)..(227.325,234.037)..(229.307,234.196)..(231.286,234.311)..(233.262,234.383) ..(235.234,234.411)..(237.202,234.395)..(239.163,234.335)..(241.118,234.230)..(243.066,234.082) ..(245.005,233.890)..(246.934,233.653)..(248.853,233.372)..(250.760,233.048)..(252.655,232.679) ..(254.537,232.266)..(256.403,231.810)..(258.255,231.310)..(260.090,230.767)..(261.907,230.181) ..(263.706,229.552)..(265.485,228.881)..(267.244,228.167)..(268.982,227.411)..(270.696,226.613) ..(272.387,225.774)..(274.054,224.893)..(275.694,223.972)..(277.308,223.011)..(278.893,222.010) ..(280.450,220.970)..(281.976,219.891)..(283.472,218.774)..(284.935,217.619)..(286.366,216.427) ..(287.762,215.200)..(289.123,213.937)..(290.448,212.639)..(291.737,211.307)..(292.987,209.942) ..(294.199,208.545)..(295.371,207.116)..(296.504,205.657)..(297.595,204.168)..(298.645,202.651) ..(299.652,201.106)..(300.615,199.535)..(301.535,197.939)..(302.411,196.318)..(303.241,194.675) ..(304.026,193.009)..(304.764,191.323)..(305.455,189.617)..(306.099,187.893)..(306.695,186.153) ..(307.242,184.396)..(307.741,182.625)..(308.191,180.840)..(308.592,179.044)..(308.943,177.237) ..(309.244,175.421)..(309.496,173.597)..(309.697,171.767)..(309.848,169.931)..(309.949,168.091) ..(310.000,166.249)..(310.000,164.405)..(309.950,162.561)..(309.850,160.718)..(309.701,158.878) ..(309.501,157.042)..(309.252,155.211)..(308.953,153.385)..(308.606,151.568)..(308.209,149.759) ..(307.764,147.959)..(307.270,146.171)..(306.728,144.394)..(306.139,142.631)..(305.502,140.883) ..(304.819,139.150)..(304.089,137.433)..(303.313,135.735)..(302.492,134.055)..(301.626,132.395) ..(300.716,130.755)..(299.761,129.138)..(298.764,127.543)..(297.724,125.972)..(296.642,124.425) ..(295.518,122.903)..(294.354,121.408)..(293.150,119.939)..(291.907,118.498)..(290.625,117.085) ..(289.305,115.702)..(287.949,114.348)..(286.556,113.024)..(285.129,111.731)..(283.666,110.470) ..(282.171,109.241)..(280.642,108.045)..(279.082,106.882)..(277.491,105.753)..(275.869,104.658) ..(274.219,103.597)..(272.540,102.571)..(270.834,101.581)..(269.102,100.626)..(267.344,99.707) ..(265.562,98.823)..(263.755,97.976)..(261.926,97.166)..(260.075,96.391)..(258.203,95.654) ..(256.311,94.952)..(254.398,94.288)..(252.467,93.659)..(250.518,93.067)..(248.550,92.511) ..(246.566,91.991)..(244.564,91.507)..(242.545,91.059)..(240.509,90.647)..(238.458,90.270) ..(236.389,89.930)..(234.305,89.625)..(232.204,89.356)..(230.088,89.123)..(227.955,88.927) ..(225.806,88.767)..(223.640,88.644)..(221.459,88.557)..(219.261,88.508)..(217.046,88.497) ..(214.814,88.523)..(212.564,88.588)..(210.296,88.692)..(208.009,88.835)..(205.702,89.020) ..(203.373,89.245)..(201.021,89.512)..(198.643,89.822)..(196.239,90.174)..(193.807,90.570) ..(191.344,91.010)..(188.849,91.494)..(186.319,92.023)..(183.752,92.597)..(181.146,93.217) ..(178.496,93.882)..(175.800,94.594)..(173.053,95.350)..(170.252,96.152)..(167.392,96.997) ..(164.466,97.883)..(161.468,98.809)..(158.391,99.769)..(155.225,100.760)..(151.960,101.772) ..(148.584,102.796)..(145.085,103.817)..(141.448,104.816)..(137.659,105.765)..(133.708,106.629) ..(129.589,107.363)..(125.312,107.912)..(120.906,108.218)..(116.429,108.233)..(111.958,107.936) ..(107.577,107.347)..(103.352,106.521)..(99.322,105.532)..(95.496,104.453)..(91.868,103.342) ..(88.420,102.244)..(85.135,101.189)..(81.996,100.197)..(78.987,99.279)..(76.096,98.442) ..(73.311,97.690)..(70.622,97.023)..(68.021,96.442)..(65.501,95.945)..(63.055,95.532) ..(60.678,95.201)..(58.363,94.951)..(56.107,94.781)..(53.906,94.689)..(51.754,94.673) ..(49.649,94.732)..(47.589,94.864)..(45.573,95.066)..(43.599,95.338)..(41.670,95.677) ..(39.783,96.084)..(37.942,96.556)..(36.147,97.093)..(34.399,97.692)..(32.699,98.355) ..(31.050,99.077)..(29.453,99.859)..(27.910,100.699)..(26.422,101.595)..(24.991,102.544) ..(23.619,103.545)..(22.307,104.595)..(21.056,105.693)..(19.868,106.836)..(18.744,108.021) ..(17.686,109.245)..(16.692,110.507)..(15.766,111.804)..(14.906,113.132)..(14.114,114.491) ..(13.390,115.876)..(12.734,117.286)..(12.148,118.718)..(11.630,120.170)..(11.183,121.639) ..(10.806,123.124)..(10.500,124.621)..(10.265,126.128)..(10.104,127.642)..(10.015,129.161) ..(10.000,130.681)..(10.059,132.201)..(10.193,133.716)..(10.402,135.224)..(10.686,136.722) ..(11.046,138.207)..(11.481,139.676)..(11.992,141.125)..(12.577,142.551)..(13.238,143.952) ..(13.973,145.325)..(14.782,146.667)..(15.665,147.974)..(16.622,149.245)..(17.651,150.477) ..(18.752,151.667)..(19.924,152.815)..(21.165,153.917)..(22.473,154.972)..(23.846,155.978) ..(25.283,156.933)..(26.781,157.837)..(28.337,158.687)..(29.950,159.482)..(31.616,160.222) ..(33.334,160.905)..(35.100,161.531)..(36.913,162.100)..(38.769,162.611)..(40.666,163.064) ..(42.603,163.461)..(44.577,163.800)..(46.586,164.083)..(48.628,164.310)..(50.702,164.483) ..(52.807,164.602)..(54.942,164.667)..(57.106,164.680)..(59.299,164.642)..(61.521,164.551) ..(63.772,164.409)..(66.055,164.214)..(68.369,163.966)..(70.716,163.662)..(73.098,163.298) ..(75.515,162.871)..(77.967,162.376)..(80.453,161.808)..(82.970,161.161)..(85.516,160.431) ..(88.087,159.615)..(90.678,158.709)..(93.287,157.713)..(95.910,156.623)..(98.547,155.436) ..(101.196,154.148)..(103.859,152.749)..(106.536,151.227)..(109.226,149.559)..(111.927,147.709) ..(114.624,145.621)..(117.269,143.200)..(119.725,140.306)..(121.648,136.849)..(122.615,133.107) ..(122.715,129.609)..(122.360,126.523)..(121.810,123.773)..(121.180,121.266)..(120.517,118.936) ..(119.845,116.739)..(119.177,114.646)..(118.519,112.636)..(117.876,110.696)..(117.253,108.815) ..(116.654,106.987)..(116.082,105.205)..(115.542,103.467)..(115.039,101.770)..(114.578,100.114) ..(114.167,98.499)..(113.812,96.926)..(113.523,95.398)..(113.308,93.921)..(113.180,92.500) ..(113.150,91.146)..(113.233,89.873)..(113.442,88.700)..(113.792,87.654)..(114.293,86.769) ..(114.951,86.093)..(115.754,85.680)..(116.671,85.589)..(117.645,85.872)..(118.594,86.551) ..(119.434,87.612)..(120.098,89.006)..(120.549,90.664)..(120.777,92.520)..(120.793,94.521) ..(120.617,96.627)..(120.271,98.812)..(119.773,101.061)..(119.143,103.365)..(118.394,105.722) ..(117.540,108.137)..(116.589,110.617)..(115.549,113.179)..(114.430,115.845)..(113.241,118.654) ..(112.005,121.667)..(110.774,124.979)..(109.692,128.733)..(109.110,133.020)..(109.455,137.564) ..(110.645,141.838)..(112.273,145.677)..(114.084,149.156)..(115.967,152.371)..(117.879,155.388) ..(119.800,158.253)..(121.721,160.994)..(123.640,163.634)..(125.555,166.186)..(127.467,168.662) ..(129.376,171.068)..(131.282,173.410)..(133.187,175.693)..(135.091,177.920)..(136.994,180.093) ..(138.897,182.214)..(140.800,184.285)..(142.703,186.306)..(144.606,188.278)..(146.508,190.203) ..(148.410,192.082)..(150.311,193.913)..(152.210,195.700)..(154.108,197.442)..(156.005,199.141) ..(157.899,200.796)..(159.791,202.410)..(161.681,203.983)..(163.570,205.516)..(165.457,207.010) ..(167.344,208.465)..(169.230,209.882)..(171.116,211.262)..(173.004,212.604)..(174.893,213.908) ..(176.783,215.175); b := 50; 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