我可以使用以下代码绘制机翼:
\newcounter{y}
\setcounter{y}{0}
\begin{figure}[h]
\centering
\begin{tikzpicture}
\foreach \lbl / \fn in {
/GEOM.dat}{
\draw[yshift=-\arabic{y}cm,scale=8][rotate=-13.3] {\lbl}
plot file{\fn} -- cycle;
\stepcounter{y}}
\end{tikzpicture}
\caption{Different airfoils}
\label{fig:foils}
\end{figure}
GEOM.dat 文件包含:
1.0000000 -0.0118460
0.9967630 -0.0122598
0.9935710 -0.0126678
0.9903470 -0.0130790
0.9870920 -0.0134936
0.9838070 -0.0139123
0.9804910 -0.0143347
0.9771440 -0.0147608
0.9737650 -0.0151906
0.9703540 -0.0156243
0.9669100 -0.0160615
0.9634310 -0.0165022
0.9599160 -0.0169464
0.9563670 -0.0173941
0.9527830 -0.0178455
0.9491630 -0.0183005
0.9455070 -0.0187592
0.9418150 -0.0192216
0.9380870 -0.0196878
0.9343220 -0.0201578
0.9305200 -0.0206317
0.9266810 -0.0211097
0.9228060 -0.0215918
0.9188930 -0.0220781
0.9149430 -0.0225686
0.9109560 -0.0230635
0.9069310 -0.0235627
0.9028690 -0.0240664
0.8987680 -0.0245746
0.8946280 -0.0250873
0.8904480 -0.0256043
0.8862280 -0.0261257
0.8819660 -0.0266514
0.8776620 -0.0271813
0.8733150 -0.0277155
0.8689250 -0.0282540
0.8644910 -0.0287966
0.8600110 -0.0293433
0.8554850 -0.0298938
0.8509100 -0.0304480
0.8462850 -0.0310057
0.8416110 -0.0315669
0.8368850 -0.0321316
0.8321070 -0.0326996
0.8272760 -0.0332709
0.8223920 -0.0338455
0.8174530 -0.0344233
0.8124590 -0.0350043
0.8074080 -0.0355882
0.8023000 -0.0361751
0.7971340 -0.0367649
0.7919080 -0.0373574
0.7866220 -0.0379526
0.7812750 -0.0385505
0.7758660 -0.0391508
0.7703940 -0.0397536
0.7648580 -0.0403588
0.7592580 -0.0409663
0.7535910 -0.0415759
0.7478580 -0.0421876
0.7420560 -0.0428013
0.7361860 -0.0434167
0.7302450 -0.0440337
0.7242330 -0.0446523
0.7181490 -0.0452723
0.7119900 -0.0458933
0.7057570 -0.0465154
0.6994470 -0.0471382
0.6930590 -0.0477616
0.6865930 -0.0483853
0.6800460 -0.0490092
0.6734180 -0.0496330
0.6667070 -0.0502565
0.6599120 -0.0508794
0.6530310 -0.0515014
0.6460640 -0.0521223
0.6390070 -0.0527417
0.6318590 -0.0533590
0.6246180 -0.0539737
0.6172830 -0.0545853
0.6098490 -0.0551931
0.6023160 -0.0557962
0.5946790 -0.0563936
0.5869350 -0.0569842
0.5790800 -0.0575665
0.5711100 -0.0581391
0.5630220 -0.0587002
0.5548120 -0.0592481
0.5464750 -0.0597809
0.5380100 -0.0602968
0.5294140 -0.0607942
0.5206850 -0.0612715
0.5118220 -0.0617266
0.5028230 -0.0621574
0.4936880 -0.0625618
0.4844170 -0.0629379
0.4750110 -0.0632839
0.4655580 -0.0635951
0.4561160 -0.0638694
0.4466880 -0.0641064
0.4372800 -0.0643057
0.4278960 -0.0644667
0.4185410 -0.0645888
0.4092220 -0.0646718
0.3999440 -0.0647168
0.3907120 -0.0647250
0.3815330 -0.0646976
0.3724100 -0.0646358
0.3633480 -0.0645408
0.3543510 -0.0644130
0.3454240 -0.0642524
0.3365720 -0.0640592
0.3277970 -0.0638346
0.3191020 -0.0635800
0.3104910 -0.0632966
0.3019660 -0.0629854
0.2935290 -0.0626476
0.2851820 -0.0622842
0.2769250 -0.0618968
0.2687590 -0.0614870
0.2606830 -0.0610561
0.2526970 -0.0606056
0.2448020 -0.0601369
0.2369940 -0.0596511
0.2292740 -0.0591496
0.2216400 -0.0586335
0.2140890 -0.0581043
0.2066200 -0.0575632
0.1992300 -0.0570116
0.1919150 -0.0564506
0.1846750 -0.0558812
0.1775060 -0.0553043
0.1704110 -0.0547195
0.1633910 -0.0541265
0.1564490 -0.0535246
0.1495890 -0.0529128
0.1428160 -0.0522899
0.1361360 -0.0516547
0.1295560 -0.0510057
0.1230840 -0.0503415
0.1167260 -0.0496611
0.1104890 -0.0489637
0.1043800 -0.0482485
0.0984092 -0.0475143
0.0925859 -0.0467602
0.0869219 -0.0459849
0.0814304 -0.0451876
0.0761244 -0.0443672
0.0710167 -0.0435234
0.0661198 -0.0426562
0.0614448 -0.0417657
0.0569995 -0.0408529
0.0527910 -0.0399190
0.0488219 -0.0389655
0.0450887 -0.0379947
0.0415875 -0.0370087
0.0383116 -0.0360096
0.0352510 -0.0349996
0.0323961 -0.0339807
0.0297363 -0.0329547
0.0272598 -0.0319233
0.0249545 -0.0308879
0.0228090 -0.0298499
0.0208133 -0.0288105
0.0189576 -0.0277704
0.0172328 -0.0267306
0.0156301 -0.0256917
0.0141419 -0.0246545
0.0127612 -0.0236193
0.0114811 -0.0225866
0.0102950 -0.0215568
0.0091973 -0.0205303
0.0081831 -0.0195073
0.0072476 -0.0184881
0.0063863 -0.0174729
0.0055948 -0.0164618
0.0048693 -0.0154551
0.0042065 -0.0144528
0.0036032 -0.0134551
0.0030563 -0.0124620
0.0025628 -0.0114737
0.0021199 -0.0104901
0.0017253 -0.0095115
0.0013769 -0.0085377
0.0010723 -0.0075689
0.0008097 -0.0066051
0.0005868 -0.0056464
0.0004019 -0.0046926
0.0002537 -0.0037440
0.0001408 -0.0028004
0.0000617 -0.0018618
0.0000152 -0.0009284
0.0000000 0.0000000
0.0000173 0.0009961
0.0000692 0.0019969
0.0001558 0.0030072
0.0002783 0.0040319
0.0004383 0.0050757
0.0006379 0.0061436
0.0008800 0.0072404
0.0011683 0.0083711
0.0015070 0.0095403
0.0019009 0.0107527
0.0023554 0.0120126
0.0028762 0.0133238
0.0034695 0.0146897
0.0041416 0.0161129
0.0048985 0.0175952
0.0057460 0.0191374
0.0066895 0.0207394
0.0077335 0.0223998
0.0088822 0.0241160
0.0101380 0.0258844
0.0115021 0.0276999
0.0129746 0.0295567
0.0145545 0.0314476
0.0162393 0.0333649
0.0180246 0.0353001
0.0199049 0.0372442
0.0218742 0.0391883
0.0239247 0.0411232
0.0260474 0.0430402
0.0282332 0.0449311
0.0304725 0.0467880
0.0327551 0.0486045
0.0350706 0.0503744
0.0374097 0.0520933
0.0397636 0.0537571
0.0421238 0.0553634
0.0444826 0.0569106
0.0468336 0.0583979
0.0491717 0.0598255
0.0514930 0.0611943
0.0537938 0.0625059
0.0560719 0.0637623
0.0583265 0.0649661
0.0605575 0.0661196
0.0627655 0.0672258
0.0649511 0.0682873
0.0671154 0.0693071
0.0692598 0.0702876
0.0713863 0.0712315
0.0734970 0.0721411
0.0755935 0.0730183
0.0776775 0.0738653
0.0797502 0.0746837
0.0818128 0.0754752
0.0838664 0.0762412
0.0859126 0.0769829
0.0879525 0.0777014
0.0899870 0.0783979
0.0920174 0.0790733
0.0940444 0.0797288
0.0960694 0.0803653
0.0980938 0.0809838
0.1001200 0.0815853
0.1021490 0.0821708
0.1041860 0.0827413
0.1062320 0.0832980
0.1082910 0.0838420
0.1103680 0.0843745
0.1124680 0.0848969
0.1145960 0.0854103
0.1167580 0.0859158
0.1189620 0.0864147
0.1212150 0.0869080
0.1235260 0.0873968
0.1259020 0.0878821
0.1283550 0.0883649
0.1308940 0.0888459
0.1335290 0.0893256
0.1362730 0.0898043
0.1391360 0.0902822
0.1421310 0.0907591
0.1452710 0.0912347
0.1485690 0.0917083
0.1520370 0.0921788
0.1556880 0.0926450
0.1595330 0.0931052
0.1635840 0.0935571
0.1678520 0.0939984
0.1723460 0.0944264
0.1770730 0.0948380
0.1820380 0.0952300
0.1872430 0.0955988
0.1926900 0.0959407
0.1983750 0.0962529
0.2042920 0.0965321
0.2104320 0.0967752
0.2167850 0.0969796
0.2233370 0.0971429
0.2300760 0.0972629
0.2369840 0.0973380
0.2440450 0.0973672
0.2512440 0.0973500
0.2585610 0.0972859
0.2659820 0.0971754
0.2734920 0.0970192
0.2810750 0.0968182
0.2887200 0.0965735
0.2964170 0.0962864
0.3041540 0.0959585
0.3119260 0.0955915
0.3197270 0.0951872
0.3275540 0.0947475
0.3354040 0.0942738
0.3432770 0.0937671
0.3511740 0.0932286
0.3590950 0.0926592
0.3670470 0.0920598
0.3750350 0.0914308
0.3830670 0.0907726
0.3911490 0.0900847
0.3992940 0.0893665
0.4075110 0.0886172
0.4158160 0.0878354
0.4242230 0.0870195
0.4327490 0.0861674
0.4414130 0.0852764
0.4502350 0.0843434
0.4592370 0.0833651
0.4684400 0.0823375
0.4778670 0.0812564
0.4875390 0.0801170
0.4974790 0.0789147
0.5077050 0.0776445
0.5182330 0.0763014
0.5290760 0.0748806
0.5402420 0.0733778
0.5517340 0.0717893
0.5635500 0.0701126
0.5756810 0.0683462
0.5881140 0.0664902
0.6008290 0.0645465
0.6138020 0.0625190
0.6270050 0.0604139
0.6404050 0.0582390
0.6539570 0.0560032
0.6676090 0.0537163
0.6813030 0.0513893
0.6949730 0.0490335
0.7085520 0.0466611
0.7219720 0.0442845
0.7351680 0.0419167
0.7480800 0.0395703
0.7606520 0.0372577
0.7728360 0.0349903
0.7845920 0.0327783
0.7958850 0.0306306
0.8066920 0.0285544
0.8169980 0.0265554
0.8267950 0.0246375
0.8360880 0.0228031
0.8448880 0.0210530
0.8532070 0.0193860
0.8610660 0.0177999
0.8684930 0.0162913
0.8755160 0.0148563
0.8821680 0.0134898
0.8884780 0.0121865
0.8944800 0.0109408
0.9002050 0.0097469
0.9056840 0.0085994
0.9109460 0.0074931
0.9160180 0.0064227
0.9209220 0.0053839
0.9256820 0.0043721
0.9303150 0.0033838
0.9348400 0.0024157
0.9392700 0.0014650
0.9436180 0.0005289
0.9478930 -0.0003947
0.9521060 -0.0013075
0.9562640 -0.0022110
0.9603740 -0.0031065
0.9644430 -0.0039953
0.9684750 -0.0048784
0.9724750 -0.0057565
0.9764470 -0.0066304
0.9803950 -0.0075009
0.9843230 -0.0083687
0.9882350 -0.0092344
0.9921340 -0.0100986
0.9960230 -0.0109620
1.0000000 -0.0118460
但我还想在机翼上画出涡流和流线。我该怎么做?