path trajectoire; trajectoire = (160.000,160.000)..(167.366,162.045)..(174.748,164.108)..(182.162,166.219)..(189.625,168.419) ..(197.147,170.750)..(204.731,173.258)..(212.373,176.004)..(220.048,179.085)..(227.679,182.619) ..(235.111,186.702)..(242.132,191.347)..(248.542,196.446)..(254.231,201.806)..(259.209,207.210) ..(263.584,212.494)..(267.485,217.571)..(271.020,222.417)..(274.256,227.032)..(277.243,231.420) ..(280.026,235.584)..(282.640,239.533)..(285.107,243.280)..(287.435,246.839)..(289.633,250.215) ..(291.710,253.411)..(293.677,256.432)..(295.535,259.286)..(297.282,261.980)..(298.914,264.517) ..(300.432,266.901)..(301.840,269.137)..(303.135,271.234)..(304.315,273.203)..(305.377,275.050) ..(306.324,276.778)..(307.161,278.395)..(307.889,279.908)..(308.507,281.324)..(309.014,282.646) ..(309.414,283.878)..(309.712,285.021)..(309.908,286.081)..(310.000,287.062)..(309.988,287.966) ..(309.875,288.792)..(309.664,289.541)..(309.355,290.217)..(308.945,290.821)..(308.434,291.353) ..(307.823,291.812)..(307.114,292.195)..(306.309,292.504)..(305.404,292.739)..(304.401,292.899) ..(303.302,292.979)..(302.110,292.980)..(300.829,292.902)..(299.456,292.746)..(297.994,292.510) ..(296.444,292.193)..(294.811,291.794)..(293.097,291.314)..(291.301,290.754)..(289.422,290.115) ..(287.463,289.393)..(285.428,288.588)..(283.317,287.702)..(281.127,286.737)..(278.858,285.691) ..(276.508,284.560)..(274.082,283.344)..(271.576,282.043)..(268.986,280.658)..(266.308,279.182) ..(263.539,277.611)..(260.681,275.939)..(257.729,274.164)..(254.675,272.281)..(251.511,270.278) ..(248.234,268.142)..(244.843,265.859)..(241.328,263.416)..(237.678,260.791)..(233.883,257.950) ..(229.943,254.847)..(225.864,251.433)..(221.653,247.639)..(217.337,243.371)..(212.997,238.508) ..(208.788,232.947)..(204.926,226.667)..(201.612,219.767)..(198.956,212.443)..(196.943,204.911) ..(195.471,197.331)..(194.414,189.779)..(193.675,182.275)..(193.191,174.816)..(192.921,167.396) ..(192.835,160.000)..(192.921,152.604)..(193.191,145.184)..(193.675,137.725)..(194.414,130.221) ..(195.471,122.669)..(196.943,115.089)..(198.956,107.557)..(201.612,100.233)..(204.926,93.333) ..(208.788,87.053)..(212.997,81.492)..(217.337,76.629)..(221.653,72.361)..(225.864,68.567) ..(229.943,65.153)..(233.883,62.050)..(237.678,59.209)..(241.328,56.584)..(244.843,54.141) ..(248.234,51.858)..(251.511,49.722)..(254.675,47.719)..(257.729,45.836)..(260.681,44.061) ..(263.539,42.389)..(266.308,40.818)..(268.986,39.342)..(271.576,37.957)..(274.082,36.656) ..(276.508,35.440)..(278.858,34.309)..(281.127,33.263)..(283.317,32.298)..(285.428,31.412) ..(287.463,30.607)..(289.422,29.885)..(291.301,29.246)..(293.097,28.686)..(294.811,28.206) ..(296.444,27.807)..(297.994,27.490)..(299.456,27.254)..(300.829,27.098)..(302.110,27.020) ..(303.302,27.021)..(304.401,27.101)..(305.404,27.261)..(306.309,27.496)..(307.114,27.805) ..(307.823,28.188)..(308.434,28.647)..(308.945,29.179)..(309.355,29.783)..(309.664,30.459) ..(309.875,31.208)..(309.988,32.034)..(310.000,32.938)..(309.908,33.919)..(309.712,34.979) ..(309.414,36.122)..(309.014,37.354)..(308.507,38.676)..(307.889,40.092)..(307.161,41.605) ..(306.324,43.222)..(305.377,44.950)..(304.315,46.797)..(303.135,48.766)..(301.840,50.863) ..(300.432,53.099)..(298.914,55.483)..(297.282,58.020)..(295.535,60.714)..(293.677,63.568) ..(291.710,66.589)..(289.633,69.785)..(287.435,73.161)..(285.107,76.720)..(282.640,80.467) ..(280.026,84.416)..(277.243,88.580)..(274.256,92.968)..(271.020,97.583)..(267.485,102.429) ..(263.584,107.506)..(259.209,112.790)..(254.231,118.194)..(248.542,123.554)..(242.132,128.653) ..(235.111,133.298)..(227.679,137.381)..(220.048,140.915)..(212.373,143.996)..(204.731,146.742) ..(197.147,149.250)..(189.625,151.581)..(182.162,153.781)..(174.748,155.892)..(167.366,157.955) ..(160.000,160.000)..(152.634,162.045)..(145.252,164.108)..(137.838,166.219)..(130.375,168.419) ..(122.853,170.750)..(115.269,173.258)..(107.627,176.004)..(99.952,179.085)..(92.321,182.619) ..(84.889,186.702)..(77.868,191.347)..(71.458,196.446)..(65.769,201.806)..(60.791,207.210) ..(56.416,212.494)..(52.515,217.571)..(48.980,222.417)..(45.744,227.032)..(42.757,231.420) ..(39.974,235.584)..(37.360,239.533)..(34.893,243.280)..(32.565,246.839)..(30.367,250.215) ..(28.290,253.411)..(26.323,256.432)..(24.465,259.286)..(22.718,261.980)..(21.086,264.517) ..(19.568,266.901)..(18.160,269.137)..(16.865,271.234)..(15.685,273.203)..(14.623,275.050) ..(13.676,276.778)..(12.839,278.395)..(12.111,279.908)..(11.493,281.324)..(10.986,282.646) ..(10.586,283.878)..(10.288,285.021)..(10.092,286.081)..(10.000,287.062)..(10.012,287.966) ..(10.125,288.792)..(10.336,289.541)..(10.645,290.217)..(11.055,290.821)..(11.566,291.353) ..(12.177,291.812)..(12.886,292.195)..(13.691,292.504)..(14.596,292.739)..(15.599,292.899) ..(16.698,292.979)..(17.890,292.980)..(19.171,292.902)..(20.544,292.746)..(22.006,292.510) ..(23.556,292.193)..(25.189,291.794)..(26.903,291.314)..(28.699,290.754)..(30.578,290.115) ..(32.537,289.393)..(34.572,288.588)..(36.683,287.702)..(38.873,286.737)..(41.142,285.691) ..(43.492,284.560)..(45.918,283.344)..(48.424,282.043)..(51.014,280.658)..(53.692,279.182) ..(56.461,277.611)..(59.319,275.939)..(62.271,274.164)..(65.325,272.281)..(68.489,270.278) ..(71.766,268.142)..(75.157,265.859)..(78.672,263.416)..(82.322,260.791)..(86.117,257.950) ..(90.057,254.847)..(94.136,251.433)..(98.347,247.639)..(102.663,243.371)..(107.003,238.508) ..(111.212,232.947)..(115.074,226.667)..(118.388,219.767)..(121.044,212.443)..(123.057,204.911) ..(124.529,197.331)..(125.586,189.779)..(126.325,182.275)..(126.809,174.816)..(127.079,167.396) ..(127.165,160.000)..(127.079,152.604)..(126.809,145.184)..(126.325,137.725)..(125.586,130.221) ..(124.529,122.669)..(123.057,115.089)..(121.044,107.557)..(118.388,100.233)..(115.074,93.333) ..(111.212,87.053)..(107.003,81.492)..(102.663,76.629)..(98.347,72.361)..(94.136,68.567) ..(90.057,65.153)..(86.117,62.050)..(82.322,59.209)..(78.672,56.584)..(75.157,54.141) ..(71.766,51.858)..(68.489,49.722)..(65.325,47.719)..(62.271,45.836)..(59.319,44.061) ..(56.461,42.389)..(53.692,40.818)..(51.014,39.342)..(48.424,37.957)..(45.918,36.656) ..(43.492,35.440)..(41.142,34.309)..(38.873,33.263)..(36.683,32.298)..(34.572,31.412) ..(32.537,30.607)..(30.578,29.885)..(28.699,29.246)..(26.903,28.686)..(25.189,28.206) ..(23.556,27.807)..(22.006,27.490)..(20.544,27.254)..(19.171,27.098)..(17.890,27.020) ..(16.698,27.021)..(15.599,27.101)..(14.596,27.261)..(13.691,27.496)..(12.886,27.805) ..(12.177,28.188)..(11.566,28.647)..(11.055,29.179)..(10.645,29.783)..(10.336,30.459) ..(10.125,31.208)..(10.012,32.034)..(10.000,32.938)..(10.092,33.919)..(10.288,34.979) ..(10.586,36.122)..(10.986,37.354)..(11.493,38.676)..(12.111,40.092)..(12.839,41.605) ..(13.676,43.222)..(14.623,44.950)..(15.685,46.797)..(16.865,48.766)..(18.160,50.863) ..(19.568,53.099)..(21.086,55.483)..(22.718,58.020)..(24.465,60.714)..(26.323,63.568) ..(28.290,66.589)..(30.367,69.785)..(32.565,73.161)..(34.893,76.720)..(37.360,80.467) ..(39.974,84.416)..(42.757,88.580)..(45.744,92.968)..(48.980,97.583)..(52.515,102.429) ..(56.416,107.506)..(60.791,112.790)..(65.769,118.194)..(71.458,123.554)..(77.868,128.653) ..(84.889,133.298)..(92.321,137.381)..(99.952,140.915)..(107.627,143.996)..(115.269,146.742) ..(122.853,149.250)..(130.375,151.581)..(137.838,153.781)..(145.252,155.892)..(152.634,157.955) ..(160.000,160.000); b := 80; 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