path trajectoire; trajectoire = (292.446,160.000)..(292.292,158.416)..(291.831,156.825)..(291.063,155.219)..(289.990,153.591) ..(288.613,151.935)..(286.934,150.246)..(284.957,148.519)..(282.683,146.750)..(280.114,144.941) ..(277.251,143.090)..(274.091,141.201)..(270.629,139.279)..(266.857,137.329)..(262.763,135.361) ..(258.329,133.384)..(253.534,131.414)..(248.352,129.471)..(242.748,127.585)..(236.687,125.795) ..(230.124,124.159)..(223.020,122.759)..(215.345,121.707)..(207.102,121.146)..(198.352,121.232) ..(189.229,122.096)..(179.922,123.792)..(170.622,126.267)..(161.467,129.390)..(152.519,133.008) ..(143.785,136.986)..(135.243,141.224)..(126.857,145.657)..(118.595,150.252)..(110.429,155.001) ..(102.344,159.917)..(94.339,165.033)..(86.434,170.403)..(78.680,176.090)..(71.164,182.167) ..(64.025,188.683)..(57.436,195.641)..(51.572,202.957)..(46.547,210.469)..(42.378,217.983) ..(38.993,225.331)..(36.275,232.401)..(34.105,239.138)..(32.377,245.520)..(31.007,251.546) ..(29.931,257.228)..(29.098,262.578)..(28.472,267.610)..(28.024,272.337)..(27.731,276.770) ..(27.579,280.916)..(27.554,284.782)..(27.649,288.370)..(27.857,291.683)..(28.177,294.721) ..(28.608,297.481)..(29.154,299.965)..(29.817,302.170)..(30.605,304.098)..(31.521,305.749) ..(32.574,307.126)..(33.770,308.231)..(35.115,309.066)..(36.616,309.637)..(38.279,309.947) ..(40.111,310.000)..(42.115,309.801)..(44.297,309.355)..(46.660,308.666)..(49.206,307.738) ..(51.935,306.575)..(54.847,305.177)..(57.942,303.544)..(61.218,301.672)..(64.673,299.552) ..(68.307,297.172)..(72.118,294.517)..(76.105,291.564)..(80.266,288.285)..(84.594,284.643) ..(89.080,280.593)..(93.705,276.076)..(98.431,271.025)..(103.201,265.359)..(107.919,259.000) ..(112.444,251.888)..(116.601,244.020)..(120.216,235.477)..(123.175,226.420)..(125.461,217.045) ..(127.143,207.521)..(128.331,197.960)..(129.136,188.418)..(129.647,178.915)..(129.929,169.448) ..(130.019,160.000)..(129.929,150.552)..(129.647,141.085)..(129.136,131.582)..(128.331,122.040) ..(127.143,112.479)..(125.461,102.955)..(123.175,93.580)..(120.216,84.523)..(116.601,75.980) ..(112.444,68.112)..(107.919,61.000)..(103.201,54.641)..(98.431,48.975)..(93.705,43.924) ..(89.080,39.407)..(84.594,35.357)..(80.266,31.715)..(76.105,28.436)..(72.118,25.483) ..(68.307,22.828)..(64.673,20.448)..(61.218,18.328)..(57.942,16.456)..(54.847,14.823) ..(51.935,13.425)..(49.206,12.262)..(46.660,11.334)..(44.297,10.645)..(42.115,10.199) ..(40.111,10.000)..(38.279,10.053)..(36.616,10.363)..(35.115,10.934)..(33.770,11.769) ..(32.574,12.874)..(31.521,14.251)..(30.605,15.902)..(29.817,17.830)..(29.154,20.035) ..(28.608,22.519)..(28.177,25.279)..(27.857,28.317)..(27.649,31.630)..(27.554,35.218) ..(27.579,39.084)..(27.731,43.230)..(28.024,47.663)..(28.472,52.390)..(29.098,57.422) ..(29.931,62.772)..(31.007,68.454)..(32.377,74.480)..(34.105,80.862)..(36.275,87.599) ..(38.993,94.669)..(42.378,102.017)..(46.547,109.531)..(51.572,117.043)..(57.436,124.359) ..(64.025,131.317)..(71.164,137.833)..(78.680,143.910)..(86.434,149.597)..(94.339,154.967) ..(102.344,160.083)..(110.429,164.999)..(118.595,169.748)..(126.857,174.343)..(135.243,178.776) ..(143.785,183.014)..(152.519,186.992)..(161.467,190.610)..(170.622,193.733)..(179.922,196.208) ..(189.229,197.904)..(198.352,198.768)..(207.102,198.854)..(215.345,198.293)..(223.020,197.241) ..(230.124,195.841)..(236.687,194.205)..(242.748,192.415)..(248.352,190.529)..(253.534,188.586) ..(258.329,186.616)..(262.763,184.639)..(266.857,182.671)..(270.629,180.721)..(274.091,178.799) ..(277.251,176.910)..(280.114,175.059)..(282.683,173.250)..(284.957,171.481)..(286.934,169.754) ..(288.613,168.065)..(289.990,166.409)..(291.063,164.781)..(291.831,163.175)..(292.292,161.584) ..(292.446,160.000); b := 50; d := 200; 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