path trajectoire; trajectoire = (235.085,160.000)..(235.490,166.363)..(236.667,172.522)..(238.519,178.305)..(240.910,183.594) ..(243.696,188.332)..(246.740,192.506)..(249.935,196.138)..(253.194,199.270)..(256.460,201.946) ..(259.689,204.214)..(262.855,206.117)..(265.941,207.692)..(268.936,208.972)..(271.835,209.985) ..(274.635,210.754)..(277.336,211.296)..(279.937,211.629)..(282.440,211.765)..(284.846,211.715) ..(287.155,211.486)..(289.370,211.086)..(291.489,210.519)..(293.514,209.791)..(295.443,208.903) ..(297.275,207.857)..(299.008,206.656)..(300.639,205.299)..(302.165,203.786)..(303.581,202.116) ..(304.881,200.290)..(306.060,198.304)..(307.108,196.158)..(308.017,193.848)..(308.775,191.374) ..(309.369,188.732)..(309.783,185.921)..(310.000,182.938)..(309.997,179.784)..(309.749,176.458) ..(309.225,172.964)..(308.388,169.308)..(307.195,165.503)..(305.596,161.569)..(303.531,157.539) ..(300.935,153.466)..(297.740,149.427)..(293.884,145.533)..(289.328,141.931)..(284.082,138.796) ..(278.220,136.304)..(271.880,134.590)..(265.235,133.720)..(258.458,133.688)..(251.691,134.434) ..(245.042,135.867)..(238.582,137.884)..(232.349,140.384)..(226.358,143.272)..(220.608,146.464) ..(215.083,149.888)..(209.763,153.485)..(204.621,157.204)..(199.633,161.003)..(194.770,164.844) ..(190.008,168.695)..(185.323,172.529)..(180.693,176.317)..(176.101,180.037)..(171.532,183.662) ..(166.974,187.172)..(162.422,190.544)..(157.871,193.760)..(153.323,196.802)..(148.784,199.655) ..(144.261,202.310)..(139.765,204.760)..(135.306,207.003)..(130.896,209.040)..(126.543,210.877) ..(122.257,212.521)..(118.042,213.981)..(113.902,215.268)..(109.839,216.391)..(105.852,217.359) ..(101.939,218.182)..(98.099,218.866)..(94.328,219.417)..(90.622,219.840)..(86.980,220.138) ..(83.398,220.315)..(79.875,220.370)..(76.408,220.307)..(72.997,220.124)..(69.642,219.822) ..(66.344,219.400)..(63.103,218.859)..(59.923,218.199)..(56.805,217.418)..(53.754,216.517) ..(50.773,215.498)..(47.866,214.360)..(45.036,213.107)..(42.289,211.739)..(39.627,210.258) ..(37.055,208.668)..(34.576,206.971)..(32.195,205.170)..(29.916,203.268)..(27.742,201.269) ..(25.677,199.177)..(23.725,196.995)..(21.890,194.728)..(20.175,192.380)..(18.584,189.958) ..(17.120,187.465)..(15.787,184.908)..(14.586,182.292)..(13.520,179.624)..(12.592,176.908) ..(11.803,174.152)..(11.156,171.363)..(10.651,168.546)..(10.290,165.709)..(10.072,162.858) ..(10.000,160.000)..(10.072,157.142)..(10.290,154.291)..(10.651,151.454)..(11.156,148.637) ..(11.803,145.848)..(12.592,143.092)..(13.520,140.376)..(14.586,137.708)..(15.787,135.092) ..(17.120,132.535)..(18.584,130.042)..(20.175,127.620)..(21.890,125.272)..(23.725,123.005) ..(25.677,120.823)..(27.742,118.731)..(29.916,116.732)..(32.195,114.830)..(34.576,113.029) ..(37.055,111.332)..(39.627,109.742)..(42.289,108.261)..(45.036,106.893)..(47.866,105.640) ..(50.773,104.502)..(53.754,103.483)..(56.805,102.582)..(59.923,101.801)..(63.103,101.141) ..(66.344,100.600)..(69.642,100.178)..(72.997,99.876)..(76.408,99.693)..(79.875,99.630) ..(83.398,99.685)..(86.980,99.862)..(90.622,100.160)..(94.328,100.583)..(98.099,101.134) ..(101.939,101.818)..(105.852,102.641)..(109.839,103.609)..(113.902,104.732)..(118.042,106.019) ..(122.257,107.479)..(126.543,109.123)..(130.896,110.960)..(135.306,112.997)..(139.765,115.240) ..(144.261,117.690)..(148.784,120.345)..(153.323,123.198)..(157.871,126.240)..(162.422,129.456) ..(166.974,132.828)..(171.532,136.338)..(176.101,139.963)..(180.693,143.683)..(185.323,147.471) ..(190.008,151.305)..(194.770,155.156)..(199.633,158.997)..(204.621,162.796)..(209.763,166.515) ..(215.083,170.112)..(220.608,173.536)..(226.358,176.728)..(232.349,179.616)..(238.582,182.116) ..(245.042,184.133)..(251.691,185.566)..(258.458,186.312)..(265.235,186.280)..(271.880,185.410) ..(278.220,183.696)..(284.082,181.204)..(289.328,178.069)..(293.884,174.467)..(297.740,170.573) ..(300.935,166.534)..(303.531,162.461)..(305.596,158.431)..(307.195,154.497)..(308.388,150.692) ..(309.225,147.036)..(309.749,143.542)..(309.997,140.216)..(310.000,137.062)..(309.783,134.079) ..(309.369,131.268)..(308.775,128.626)..(308.017,126.152)..(307.108,123.842)..(306.060,121.696) ..(304.881,119.710)..(303.581,117.884)..(302.165,116.214)..(300.639,114.701)..(299.008,113.344) ..(297.275,112.143)..(295.443,111.097)..(293.514,110.209)..(291.489,109.481)..(289.370,108.914) ..(287.155,108.514)..(284.846,108.285)..(282.440,108.235)..(279.937,108.371)..(277.336,108.704) ..(274.635,109.246)..(271.835,110.015)..(268.936,111.028)..(265.941,112.308)..(262.855,113.883) ..(259.689,115.786)..(256.460,118.054)..(253.194,120.730)..(249.935,123.862)..(246.740,127.494) ..(243.696,131.668)..(240.910,136.406)..(238.519,141.695)..(236.667,147.478)..(235.490,153.637) ..(235.085,160.000); b := 50; d := 250; 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