path trajectoire; trajectoire = (160.000,160.000)..(164.265,163.950)..(168.547,167.879)..(172.860,171.768)..(177.220,175.593) ..(181.639,179.334)..(186.130,182.966)..(190.700,186.466)..(195.357,189.808)..(200.101,192.966) ..(204.931,195.915)..(209.840,198.628)..(214.817,201.081)..(219.844,203.252)..(224.901,205.122) ..(229.963,206.677)..(235.000,207.909)..(239.984,208.813)..(244.884,209.394)..(249.671,209.660) ..(254.319,209.626)..(258.803,209.309)..(263.106,208.732)..(267.210,207.918)..(271.107,206.892) ..(274.789,205.678)..(278.252,204.301)..(281.497,202.782)..(284.526,201.144)..(287.345,199.403) ..(289.957,197.578)..(292.372,195.683)..(294.596,193.731)..(296.637,191.733)..(298.504,189.698) ..(300.205,187.635)..(301.746,185.550)..(303.136,183.449)..(304.382,181.335)..(305.489,179.213) ..(306.464,177.084)..(307.312,174.952)..(308.037,172.817)..(308.644,170.681)..(309.136,168.545) ..(309.516,166.408)..(309.785,164.272)..(309.946,162.136)..(310.000,160.000)..(309.946,157.864) ..(309.785,155.728)..(309.516,153.592)..(309.136,151.455)..(308.644,149.319)..(308.037,147.183) ..(307.312,145.048)..(306.464,142.916)..(305.489,140.787)..(304.382,138.665)..(303.136,136.551) ..(301.746,134.450)..(300.205,132.365)..(298.504,130.302)..(296.637,128.267)..(294.596,126.269) ..(292.372,124.317)..(289.957,122.422)..(287.345,120.597)..(284.526,118.856)..(281.497,117.218) ..(278.252,115.699)..(274.789,114.322)..(271.107,113.108)..(267.210,112.082)..(263.106,111.268) ..(258.803,110.691)..(254.319,110.374)..(249.671,110.340)..(244.884,110.606)..(239.984,111.187) ..(235.000,112.091)..(229.963,113.323)..(224.901,114.878)..(219.844,116.748)..(214.817,118.919) ..(209.840,121.372)..(204.931,124.085)..(200.101,127.034)..(195.357,130.192)..(190.700,133.534) ..(186.130,137.034)..(181.639,140.666)..(177.220,144.407)..(172.860,148.232)..(168.547,152.121) ..(164.265,156.050)..(160.000,160.000)..(155.735,163.950)..(151.453,167.879)..(147.140,171.768) ..(142.780,175.593)..(138.361,179.334)..(133.870,182.966)..(129.300,186.466)..(124.643,189.808) ..(119.899,192.966)..(115.069,195.915)..(110.160,198.628)..(105.183,201.081)..(100.156,203.252) ..(95.099,205.122)..(90.037,206.677)..(85.000,207.909)..(80.016,208.813)..(75.116,209.394) ..(70.329,209.660)..(65.681,209.626)..(61.197,209.309)..(56.894,208.732)..(52.790,207.918) ..(48.893,206.892)..(45.211,205.678)..(41.748,204.301)..(38.503,202.782)..(35.474,201.144) ..(32.655,199.403)..(30.043,197.578)..(27.628,195.683)..(25.404,193.731)..(23.363,191.733) ..(21.496,189.698)..(19.795,187.635)..(18.254,185.550)..(16.864,183.449)..(15.618,181.335) ..(14.511,179.213)..(13.536,177.084)..(12.688,174.952)..(11.963,172.817)..(11.356,170.681) ..(10.864,168.545)..(10.484,166.408)..(10.215,164.272)..(10.054,162.136)..(10.000,160.000) ..(10.054,157.864)..(10.215,155.728)..(10.484,153.592)..(10.864,151.455)..(11.356,149.319) ..(11.963,147.183)..(12.688,145.048)..(13.536,142.916)..(14.511,140.787)..(15.618,138.665) ..(16.864,136.551)..(18.254,134.450)..(19.795,132.365)..(21.496,130.302)..(23.363,128.267) ..(25.404,126.269)..(27.628,124.317)..(30.043,122.422)..(32.655,120.597)..(35.474,118.856) ..(38.503,117.218)..(41.748,115.699)..(45.211,114.322)..(48.893,113.108)..(52.790,112.082) ..(56.894,111.268)..(61.197,110.691)..(65.681,110.374)..(70.329,110.340)..(75.116,110.606) ..(80.016,111.187)..(85.000,112.091)..(90.037,113.323)..(95.099,114.878)..(100.156,116.748) ..(105.183,118.919)..(110.160,121.372)..(115.069,124.085)..(119.899,127.034)..(124.643,130.192) ..(129.300,133.534)..(133.870,137.034)..(138.361,140.666)..(142.780,144.407)..(147.140,148.232) ..(151.453,152.121)..(155.735,156.050)..(160.000,160.000); b := 64; d := 192; 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