path trajectoire; trajectoire = (180.134,200.731)..(182.565,203.296)..(184.996,205.756)..(187.428,208.118)..(189.866,210.389) ..(192.313,212.573)..(194.773,214.674)..(197.249,216.694)..(199.744,218.636)..(202.260,220.500) ..(204.798,222.284)..(207.360,223.988)..(209.947,225.611)..(212.557,227.150)..(215.191,228.603) ..(217.848,229.967)..(220.527,231.242)..(223.225,232.425)..(225.941,233.514)..(228.672,234.506) ..(231.417,235.400)..(234.173,236.194)..(236.937,236.886)..(239.705,237.475)..(242.476,237.958) ..(245.245,238.336)..(248.009,238.605)..(250.765,238.766)..(253.508,238.818)..(256.236,238.759) ..(258.944,238.590)..(261.628,238.309)..(264.284,237.918)..(266.908,237.415)..(269.496,236.802) ..(272.043,236.079)..(274.546,235.247)..(276.999,234.307)..(279.399,233.260)..(281.740,232.108) ..(284.019,230.853)..(286.230,229.496)..(288.369,228.040)..(290.432,226.487)..(292.413,224.842) ..(294.308,223.105)..(296.113,221.282)..(297.824,219.376)..(299.436,217.390)..(300.946,215.330) ..(302.349,213.200)..(303.643,211.004)..(304.824,208.748)..(305.889,206.437)..(306.836,204.076) ..(307.662,201.671)..(308.366,199.228)..(308.945,196.752)..(309.399,194.248)..(309.727,191.724) ..(309.927,189.184)..(310.000,186.635)..(309.946,184.083)..(309.764,181.532)..(309.457,178.989) ..(309.024,176.459)..(308.468,173.948)..(307.789,171.460)..(306.990,169.001)..(306.073,166.575) ..(305.040,164.187)..(303.894,161.842)..(302.636,159.544)..(301.270,157.297)..(299.799,155.104) ..(298.226,152.970)..(296.553,150.898)..(294.783,148.891)..(292.921,146.951)..(290.970,145.083) ..(288.932,143.288)..(286.811,141.569)..(284.611,139.927)..(282.336,138.365)..(279.987,136.884) ..(277.569,135.486)..(275.086,134.171)..(272.540,132.942)..(269.934,131.798)..(267.272,130.740) ..(264.556,129.768)..(261.789,128.882)..(258.974,128.083)..(256.112,127.369)..(253.206,126.740) ..(250.257,126.193)..(247.268,125.728)..(244.238,125.343)..(241.170,125.035)..(238.063,124.802) ..(234.917,124.642)..(231.731,124.554)..(228.503,124.536)..(225.230,124.586)..(221.910,124.704) ..(218.537,124.889)..(215.109,125.142)..(211.620,125.466)..(208.065,125.862)..(204.440,126.336) ..(200.740,126.892)..(196.963,127.537)..(193.106,128.276)..(189.172,129.116)..(185.160,130.060) ..(181.074,131.108)..(176.914,132.259)..(172.682,133.504)..(168.371,134.832)..(163.970,136.227) ..(159.461,137.666)..(154.817,139.115)..(150.004,140.524)..(144.994,141.822)..(139.789,142.921) ..(134.427,143.756)..(128.953,144.297)..(123.387,144.501)..(117.772,144.277)..(112.235,143.533) ..(106.960,142.315)..(102.013,140.816)..(97.336,139.205)..(92.841,137.580)..(88.462,135.997) ..(84.156,134.501)..(79.900,133.132)..(75.689,131.927)..(71.538,130.920)..(67.470,130.131) ..(63.517,129.565)..(59.706,129.208)..(56.051,129.036)..(52.556,129.025)..(49.214,129.151) ..(46.014,129.399)..(42.946,129.760)..(39.999,130.231)..(37.167,130.811)..(34.446,131.502) ..(31.835,132.307)..(29.338,133.227)..(26.959,134.265)..(24.705,135.422)..(22.583,136.694) ..(20.603,138.080)..(18.772,139.576)..(17.100,141.175)..(15.592,142.869)..(14.256,144.650) ..(13.095,146.509)..(12.116,148.432)..(11.320,150.410)..(10.710,152.429)..(10.287,154.477) ..(10.050,156.542)..(10.000,158.611)..(10.134,160.672)..(10.451,162.712)..(10.947,164.720) ..(11.620,166.683)..(12.467,168.589)..(13.483,170.426)..(14.665,172.182)..(16.006,173.845) ..(17.502,175.402)..(19.144,176.842)..(20.924,178.155)..(22.834,179.329)..(24.862,180.355) ..(26.997,181.227)..(29.227,181.937)..(31.540,182.481)..(33.923,182.857)..(36.365,183.065) ..(38.857,183.105)..(41.391,182.979)..(43.961,182.691)..(46.565,182.244)..(49.203,181.644) ..(51.879,180.891)..(54.596,179.987)..(57.365,178.929)..(60.191,177.709)..(63.083,176.318) ..(66.047,174.738)..(69.081,172.949)..(72.176,170.929)..(75.312,168.662)..(78.460,166.142) ..(81.586,163.381)..(84.664,160.408)..(87.681,157.259)..(90.635,153.974)..(93.535,150.585) ..(96.399,147.115)..(99.245,143.577)..(102.096,139.977)..(104.975,136.308)..(107.908,132.560) ..(110.920,128.712)..(114.036,124.730)..(117.265,120.568)..(120.550,116.149)..(123.650,111.353) ..(125.960,106.177)..(126.918,101.201)..(126.871,97.088)..(126.422,93.843)..(125.854,91.242) ..(125.260,89.110)..(124.665,87.336)..(124.072,85.852)..(123.479,84.616)..(122.883,83.598) ..(122.280,82.776)..(121.669,82.136)..(121.048,81.665)..(120.417,81.353)..(119.775,81.194) ..(119.124,81.182)..(118.465,81.316)..(117.799,81.593)..(117.127,82.016)..(116.451,82.588) ..(115.773,83.314)..(115.094,84.204)..(114.416,85.271)..(113.742,86.532)..(113.075,88.014) ..(112.422,89.753)..(111.796,91.805)..(111.230,94.259)..(110.813,97.253)..(110.785,100.984) ..(111.712,105.514)..(114.109,110.288)..(117.603,114.678)..(121.543,118.771)..(125.513,122.883) ..(129.229,127.145)..(132.591,131.485)..(135.649,135.810)..(138.487,140.083)..(141.169,144.295) ..(143.744,148.448)..(146.246,152.545)..(148.697,156.587)..(151.116,160.572)..(153.517,164.494) ..(155.911,168.345)..(158.305,172.113)..(160.705,175.784)..(163.113,179.347)..(165.532,182.791) ..(167.959,186.106)..(170.393,189.290)..(172.829,192.340)..(175.266,195.261)..(177.702,198.055) ..(180.134,200.731); b := 30; d := 270; 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