path trajectoire; trajectoire = (160.000,160.000)..(162.416,162.415)..(164.847,164.797)..(167.300,167.109)..(169.778,169.319) ..(172.269,171.401)..(174.755,173.340)..(177.214,175.139)..(179.633,176.810)..(182.007,178.373) ..(184.338,179.846)..(186.634,181.240)..(188.902,182.566)..(191.150,183.829)..(193.385,185.032) ..(195.613,186.176)..(197.837,187.260)..(200.060,188.285)..(202.285,189.249)..(204.512,190.152) ..(206.741,190.992)..(208.974,191.768)..(211.209,192.481)..(213.446,193.129)..(215.684,193.711) ..(217.923,194.228)..(220.162,194.678)..(222.399,195.061)..(224.635,195.376)..(226.869,195.622) ..(229.098,195.798)..(231.323,195.904)..(233.541,195.938)..(235.751,195.901)..(237.951,195.790) ..(240.140,195.606)..(242.315,195.349)..(244.475,195.018)..(246.617,194.612)..(248.738,194.133) ..(250.838,193.581)..(252.914,192.955)..(254.963,192.258)..(256.986,191.489)..(258.980,190.650) ..(260.948,189.741)..(262.889,188.761)..(264.807,187.709)..(266.703,186.580)..(268.577,185.371) ..(270.429,184.077)..(272.258,182.696)..(274.063,181.223)..(275.843,179.656)..(277.595,177.993) ..(279.321,176.235)..(281.021,174.380)..(282.701,172.431)..(284.368,170.391)..(286.038,168.265) ..(287.736,166.060)..(289.504,163.790)..(291.407,161.488)..(293.549,159.229)..(296.061,157.210) ..(298.934,155.838)..(301.723,155.416)..(303.981,155.651)..(305.699,156.147)..(307.005,156.717) ..(308.004,157.296)..(308.762,157.864)..(309.319,158.415)..(309.702,158.952)..(309.926,159.479) ..(310.000,160.000)..(309.926,160.521)..(309.702,161.048)..(309.319,161.585)..(308.762,162.136) ..(308.004,162.704)..(307.005,163.283)..(305.699,163.853)..(303.981,164.349)..(301.723,164.584) ..(298.934,164.162)..(296.061,162.790)..(293.549,160.771)..(291.407,158.512)..(289.504,156.210) ..(287.736,153.940)..(286.038,151.735)..(284.368,149.609)..(282.701,147.569)..(281.021,145.620) ..(279.321,143.765)..(277.595,142.007)..(275.843,140.344)..(274.063,138.777)..(272.258,137.304) ..(270.429,135.923)..(268.577,134.629)..(266.703,133.420)..(264.807,132.291)..(262.889,131.239) ..(260.948,130.259)..(258.980,129.350)..(256.986,128.511)..(254.963,127.742)..(252.914,127.045) ..(250.838,126.419)..(248.738,125.867)..(246.617,125.388)..(244.475,124.982)..(242.315,124.651) ..(240.140,124.394)..(237.951,124.210)..(235.751,124.099)..(233.541,124.062)..(231.323,124.096) ..(229.098,124.202)..(226.869,124.378)..(224.635,124.624)..(222.399,124.939)..(220.162,125.322) ..(217.923,125.772)..(215.684,126.289)..(213.446,126.871)..(211.209,127.519)..(208.974,128.232) ..(206.741,129.008)..(204.512,129.848)..(202.285,130.751)..(200.060,131.715)..(197.837,132.740) ..(195.613,133.824)..(193.385,134.968)..(191.150,136.171)..(188.902,137.434)..(186.634,138.760) ..(184.338,140.154)..(182.007,141.627)..(179.633,143.190)..(177.214,144.861)..(174.755,146.660) ..(172.269,148.599)..(169.778,150.681)..(167.300,152.891)..(164.847,155.203)..(162.416,157.585) ..(160.000,160.000)..(157.584,162.415)..(155.153,164.797)..(152.700,167.109)..(150.222,169.319) ..(147.731,171.401)..(145.245,173.340)..(142.786,175.139)..(140.367,176.810)..(137.993,178.373) ..(135.662,179.846)..(133.366,181.240)..(131.098,182.566)..(128.850,183.829)..(126.615,185.032) ..(124.387,186.176)..(122.163,187.260)..(119.940,188.285)..(117.715,189.249)..(115.488,190.152) ..(113.259,190.992)..(111.026,191.768)..(108.791,192.481)..(106.554,193.129)..(104.316,193.711) ..(102.077,194.228)..(99.838,194.678)..(97.601,195.061)..(95.365,195.376)..(93.131,195.622) ..(90.902,195.798)..(88.677,195.904)..(86.459,195.938)..(84.249,195.901)..(82.049,195.790) ..(79.860,195.606)..(77.685,195.349)..(75.525,195.018)..(73.383,194.612)..(71.262,194.133) ..(69.162,193.581)..(67.086,192.955)..(65.037,192.258)..(63.014,191.489)..(61.020,190.650) ..(59.052,189.741)..(57.111,188.761)..(55.193,187.709)..(53.297,186.580)..(51.423,185.371) ..(49.571,184.077)..(47.742,182.696)..(45.937,181.223)..(44.157,179.656)..(42.405,177.993) ..(40.679,176.235)..(38.979,174.380)..(37.299,172.431)..(35.632,170.391)..(33.962,168.265) ..(32.264,166.060)..(30.496,163.790)..(28.593,161.488)..(26.451,159.229)..(23.939,157.210) ..(21.066,155.838)..(18.277,155.416)..(16.019,155.651)..(14.301,156.147)..(12.995,156.717) ..(11.996,157.296)..(11.238,157.864)..(10.681,158.415)..(10.298,158.952)..(10.074,159.479) ..(10.000,160.000)..(10.074,160.521)..(10.298,161.048)..(10.681,161.585)..(11.238,162.136) ..(11.996,162.704)..(12.995,163.283)..(14.301,163.853)..(16.019,164.349)..(18.277,164.584) ..(21.066,164.162)..(23.939,162.790)..(26.451,160.771)..(28.593,158.512)..(30.496,156.210) ..(32.264,153.940)..(33.962,151.735)..(35.632,149.609)..(37.299,147.569)..(38.979,145.620) ..(40.679,143.765)..(42.405,142.007)..(44.157,140.344)..(45.937,138.777)..(47.742,137.304) ..(49.571,135.923)..(51.423,134.629)..(53.297,133.420)..(55.193,132.291)..(57.111,131.239) ..(59.052,130.259)..(61.020,129.350)..(63.014,128.511)..(65.037,127.742)..(67.086,127.045) ..(69.162,126.419)..(71.262,125.867)..(73.383,125.388)..(75.525,124.982)..(77.685,124.651) ..(79.860,124.394)..(82.049,124.210)..(84.249,124.099)..(86.459,124.062)..(88.677,124.096) ..(90.902,124.202)..(93.131,124.378)..(95.365,124.624)..(97.601,124.939)..(99.838,125.322) ..(102.077,125.772)..(104.316,126.289)..(106.554,126.871)..(108.791,127.519)..(111.026,128.232) ..(113.259,129.008)..(115.488,129.848)..(117.715,130.751)..(119.940,131.715)..(122.163,132.740) ..(124.387,133.824)..(126.615,134.968)..(128.850,136.171)..(131.098,137.434)..(133.366,138.760) ..(135.662,140.154)..(137.993,141.627)..(140.367,143.190)..(142.786,144.861)..(145.245,146.660) ..(147.731,148.599)..(150.222,150.681)..(152.700,152.891)..(155.153,155.203)..(157.584,157.585) ..(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