path trajectoire; trajectoire = (160.000,160.000)..(162.546,160.795)..(165.164,161.596)..(167.962,162.394)..(171.160,163.108) ..(175.136,163.157)..(179.108,161.542)..(182.292,159.272)..(185.064,156.938)..(187.637,154.635) ..(190.106,152.382)..(192.519,150.187)..(194.902,148.057)..(197.271,145.998)..(199.634,144.016) ..(201.991,142.115)..(204.342,140.298)..(206.684,138.566)..(209.013,136.918)..(211.327,135.350) ..(213.627,133.859)..(215.913,132.442)..(218.187,131.093)..(220.451,129.811)..(222.709,128.592) ..(224.964,127.435)..(227.220,126.339)..(229.478,125.304)..(231.742,124.332)..(234.011,123.424) ..(236.284,122.580)..(238.563,121.803)..(240.846,121.094)..(243.133,120.453)..(245.421,119.883) ..(247.710,119.383)..(249.997,118.957)..(252.282,118.603)..(254.563,118.325)..(256.836,118.122) ..(259.102,117.996)..(261.356,117.947)..(263.598,117.977)..(265.824,118.087)..(268.034,118.276) ..(270.223,118.547)..(272.390,118.899)..(274.531,119.332)..(276.644,119.848)..(278.726,120.447) ..(280.772,121.128)..(282.780,121.891)..(284.745,122.736)..(286.665,123.662)..(288.535,124.669) ..(290.351,125.754)..(292.110,126.917)..(293.808,128.156)..(295.440,129.469)..(297.003,130.853) ..(298.494,132.307)..(299.907,133.828)..(301.241,135.411)..(302.492,137.055)..(303.655,138.756) ..(304.729,140.510)..(305.710,142.313)..(306.596,144.161)..(307.384,146.050)..(308.072,147.974) ..(308.657,149.930)..(309.139,151.912)..(309.515,153.915)..(309.784,155.934)..(309.946,157.965) ..(310.000,160.000)..(309.946,162.035)..(309.784,164.066)..(309.515,166.085)..(309.139,168.088) ..(308.657,170.070)..(308.072,172.026)..(307.384,173.950)..(306.596,175.839)..(305.710,177.687) ..(304.729,179.490)..(303.655,181.244)..(302.492,182.945)..(301.241,184.589)..(299.907,186.172) ..(298.494,187.693)..(297.003,189.147)..(295.440,190.531)..(293.808,191.844)..(292.110,193.083) ..(290.351,194.246)..(288.535,195.331)..(286.665,196.338)..(284.745,197.264)..(282.780,198.109) ..(280.772,198.872)..(278.726,199.553)..(276.644,200.152)..(274.531,200.668)..(272.390,201.101) ..(270.223,201.453)..(268.034,201.724)..(265.824,201.913)..(263.598,202.023)..(261.356,202.053) ..(259.102,202.004)..(256.836,201.878)..(254.563,201.675)..(252.282,201.397)..(249.997,201.043) ..(247.710,200.617)..(245.421,200.117)..(243.133,199.547)..(240.846,198.906)..(238.563,198.197) ..(236.284,197.420)..(234.011,196.576)..(231.742,195.668)..(229.478,194.696)..(227.220,193.661) ..(224.964,192.565)..(222.709,191.408)..(220.451,190.189)..(218.187,188.907)..(215.913,187.558) ..(213.627,186.141)..(211.327,184.650)..(209.013,183.082)..(206.684,181.434)..(204.342,179.702) ..(201.991,177.885)..(199.634,175.984)..(197.271,174.002)..(194.902,171.943)..(192.519,169.813) ..(190.106,167.618)..(187.637,165.365)..(185.064,163.062)..(182.292,160.728)..(179.108,158.458) ..(175.136,156.843)..(171.160,156.892)..(167.962,157.606)..(165.164,158.404)..(162.546,159.205) ..(160.000,160.000)..(157.454,160.795)..(154.836,161.596)..(152.038,162.394)..(148.840,163.108) ..(144.864,163.157)..(140.892,161.542)..(137.708,159.272)..(134.936,156.938)..(132.363,154.635) ..(129.894,152.382)..(127.481,150.187)..(125.098,148.057)..(122.729,145.998)..(120.366,144.016) ..(118.009,142.115)..(115.658,140.298)..(113.316,138.566)..(110.987,136.918)..(108.673,135.350) ..(106.373,133.859)..(104.087,132.442)..(101.813,131.093)..(99.549,129.811)..(97.291,128.592) ..(95.036,127.435)..(92.780,126.339)..(90.522,125.304)..(88.258,124.332)..(85.989,123.424) ..(83.716,122.580)..(81.437,121.803)..(79.154,121.094)..(76.867,120.453)..(74.579,119.883) ..(72.290,119.383)..(70.003,118.957)..(67.718,118.603)..(65.437,118.325)..(63.164,118.122) ..(60.898,117.996)..(58.644,117.947)..(56.402,117.977)..(54.176,118.087)..(51.966,118.276) ..(49.777,118.547)..(47.610,118.899)..(45.469,119.332)..(43.356,119.848)..(41.274,120.447) ..(39.228,121.128)..(37.220,121.891)..(35.255,122.736)..(33.335,123.662)..(31.465,124.669) ..(29.649,125.754)..(27.890,126.917)..(26.192,128.156)..(24.560,129.469)..(22.997,130.853) ..(21.506,132.307)..(20.093,133.828)..(18.759,135.411)..(17.508,137.055)..(16.345,138.756) ..(15.271,140.510)..(14.290,142.313)..(13.404,144.161)..(12.616,146.050)..(11.928,147.974) ..(11.343,149.930)..(10.861,151.912)..(10.485,153.915)..(10.216,155.934)..(10.054,157.965) ..(10.000,160.000)..(10.054,162.035)..(10.216,164.066)..(10.485,166.085)..(10.861,168.088) ..(11.343,170.070)..(11.928,172.026)..(12.616,173.950)..(13.404,175.839)..(14.290,177.687) ..(15.271,179.490)..(16.345,181.244)..(17.508,182.945)..(18.759,184.589)..(20.093,186.172) ..(21.506,187.693)..(22.997,189.147)..(24.560,190.531)..(26.192,191.844)..(27.890,193.083) ..(29.649,194.246)..(31.465,195.331)..(33.335,196.338)..(35.255,197.264)..(37.220,198.109) ..(39.228,198.872)..(41.274,199.553)..(43.356,200.152)..(45.469,200.668)..(47.610,201.101) ..(49.777,201.453)..(51.966,201.724)..(54.176,201.913)..(56.402,202.023)..(58.644,202.053) ..(60.898,202.004)..(63.164,201.878)..(65.437,201.675)..(67.718,201.397)..(70.003,201.043) ..(72.290,200.617)..(74.579,200.117)..(76.867,199.547)..(79.154,198.906)..(81.437,198.197) ..(83.716,197.420)..(85.989,196.576)..(88.258,195.668)..(90.522,194.696)..(92.780,193.661) ..(95.036,192.565)..(97.291,191.408)..(99.549,190.189)..(101.813,188.907)..(104.087,187.558) ..(106.373,186.141)..(108.673,184.650)..(110.987,183.082)..(113.316,181.434)..(115.658,179.702) ..(118.009,177.885)..(120.366,175.984)..(122.729,174.002)..(125.098,171.943)..(127.481,169.813) ..(129.894,167.618)..(132.363,165.365)..(134.936,163.062)..(137.708,160.728)..(140.892,158.458) ..(144.864,156.843)..(148.840,156.892)..(152.038,157.606)..(154.836,158.404)..(157.454,159.205) ..(160.000,160.000); b := 20; d := 300; 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