path trajectoire; trajectoire = (207.261,160.000)..(207.839,168.241)..(209.511,176.193)..(212.111,183.631)..(215.427,190.427) ..(219.253,196.534)..(223.418,201.966)..(227.788,206.763)..(232.267,210.977)..(236.784,214.660) ..(241.290,217.860)..(245.747,220.621)..(250.130,222.979)..(254.419,224.966)..(258.598,226.607) ..(262.657,227.925)..(266.586,228.939)..(270.377,229.663)..(274.022,230.110)..(277.515,230.289) ..(280.850,230.207)..(284.022,229.869)..(287.027,229.278)..(289.863,228.435)..(292.528,227.342) ..(295.022,225.999)..(297.344,224.408)..(299.491,222.569)..(301.461,220.481)..(303.251,218.145) ..(304.855,215.561)..(306.266,212.727)..(307.476,209.641)..(308.470,206.304)..(309.236,202.712) ..(309.753,198.863)..(310.000,194.754)..(309.950,190.383)..(309.572,185.748)..(308.828,180.849) ..(307.672,175.688)..(306.052,170.274)..(303.904,164.622)..(301.153,158.759)..(297.711,152.727) ..(293.482,146.598)..(288.364,140.477)..(282.265,134.514)..(275.123,128.914)..(266.944,123.920) ..(257.827,119.782)..(247.970,116.698)..(237.634,114.763)..(227.081,113.955)..(216.522,114.162) ..(206.097,115.230)..(195.879,116.999)..(185.887,119.323)..(176.114,122.087)..(166.528,125.197) ..(157.092,128.584)..(147.761,132.200)..(138.488,136.011)..(129.227,140.002)..(119.930,144.174) ..(110.553,148.551)..(101.060,153.187)..(91.436,158.186)..(81.729,163.720)..(72.140,170.025) ..(63.127,177.259)..(55.257,185.191)..(48.723,193.235)..(43.295,200.926)..(38.658,208.079) ..(34.587,214.661)..(30.942,220.691)..(27.642,226.196)..(24.643,231.202)..(21.924,235.730) ..(19.482,239.801)..(17.321,243.440)..(15.450,246.680)..(13.869,249.560)..(12.573,252.117) ..(11.554,254.384)..(10.799,256.390)..(10.297,258.159)..(10.034,259.710)..(10.000,261.059) ..(10.182,262.219)..(10.572,263.200)..(11.158,264.010)..(11.935,264.657)..(12.893,265.145) ..(14.026,265.478)..(15.330,265.657)..(16.799,265.685)..(18.432,265.560)..(20.226,265.283) ..(22.180,264.852)..(24.296,264.264)..(26.576,263.519)..(29.020,262.613)..(31.633,261.545) ..(34.418,260.311)..(37.376,258.908)..(40.513,257.329)..(43.832,255.569)..(47.339,253.617) ..(51.039,251.462)..(54.940,249.086)..(59.051,246.467)..(63.383,243.574)..(67.948,240.363) ..(72.758,236.771)..(77.821,232.703)..(83.124,228.015)..(88.600,222.492)..(94.034,215.853) ..(98.962,207.896)..(102.822,198.816)..(105.421,189.171)..(106.985,179.405)..(107.803,169.679) ..(108.057,160.000)..(107.803,150.321)..(106.985,140.595)..(105.421,130.829)..(102.822,121.184) ..(98.962,112.104)..(94.034,104.147)..(88.600,97.508)..(83.124,91.985)..(77.821,87.297) ..(72.758,83.229)..(67.948,79.637)..(63.383,76.426)..(59.051,73.533)..(54.940,70.914) ..(51.039,68.538)..(47.339,66.383)..(43.832,64.431)..(40.513,62.671)..(37.376,61.092) ..(34.418,59.689)..(31.633,58.455)..(29.020,57.387)..(26.576,56.481)..(24.296,55.736) ..(22.180,55.148)..(20.226,54.717)..(18.432,54.440)..(16.799,54.315)..(15.330,54.343) ..(14.026,54.522)..(12.893,54.855)..(11.935,55.343)..(11.158,55.990)..(10.572,56.800) ..(10.182,57.781)..(10.000,58.941)..(10.034,60.290)..(10.297,61.841)..(10.799,63.610) ..(11.554,65.616)..(12.573,67.883)..(13.869,70.440)..(15.450,73.320)..(17.321,76.560) ..(19.482,80.199)..(21.924,84.270)..(24.643,88.798)..(27.642,93.804)..(30.942,99.309) ..(34.587,105.339)..(38.658,111.921)..(43.295,119.074)..(48.723,126.765)..(55.257,134.809) ..(63.127,142.741)..(72.140,149.975)..(81.729,156.280)..(91.436,161.814)..(101.060,166.813) ..(110.553,171.449)..(119.930,175.826)..(129.227,179.998)..(138.488,183.989)..(147.761,187.800) ..(157.092,191.416)..(166.528,194.803)..(176.114,197.913)..(185.887,200.677)..(195.879,203.001) ..(206.097,204.770)..(216.522,205.838)..(227.081,206.045)..(237.634,205.237)..(247.970,203.302) ..(257.827,200.218)..(266.944,196.080)..(275.123,191.086)..(282.265,185.486)..(288.364,179.523) ..(293.482,173.402)..(297.711,167.273)..(301.153,161.241)..(303.904,155.378)..(306.052,149.726) ..(307.672,144.312)..(308.828,139.151)..(309.572,134.252)..(309.950,129.617)..(310.000,125.246) ..(309.753,121.137)..(309.236,117.288)..(308.470,113.696)..(307.476,110.359)..(306.266,107.273) ..(304.855,104.439)..(303.251,101.855)..(301.461,99.519)..(299.491,97.431)..(297.344,95.592) ..(295.022,94.001)..(292.528,92.658)..(289.863,91.565)..(287.027,90.722)..(284.022,90.131) ..(280.850,89.793)..(277.515,89.711)..(274.022,89.890)..(270.377,90.337)..(266.586,91.061) ..(262.657,92.075)..(258.598,93.393)..(254.419,95.034)..(250.130,97.021)..(245.747,99.379) ..(241.290,102.140)..(236.784,105.340)..(232.267,109.023)..(227.788,113.237)..(223.418,118.034) ..(219.253,123.466)..(215.427,129.573)..(212.111,136.369)..(209.511,143.807)..(207.839,151.759) ..(207.261,160.000); b := 50; d := 250; 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