我想用pgfplots之前用 Origin 绘制的曲线绘制一条曲线。在两种情况下，我使用了同一组数据点，但结果看起来更嘈杂pgfplots。有人知道为什么会这样吗？
曲线看起来应如下所示（使用 Origin 创建）：
这是生成的图像（使用 创建pgfplots）：
平均能量损失
\documentclass{standalone}
\usepackage{pgfplots} % To produce graphs within tikz
\pgfplotsset{compat=newest}
\usepackage{pgfplotstable}
\begin{filecontents}{MWE.dat}
theta Intensity
20 73.99182
20.02 76.83915
20.04 78.9561
20.06 80.34266
20.08 80.99884
20.1 80.92464
20.12 78.48291
20.14 77.04546
20.16 71.56761
20.18 70.22535
20.2 73.50817
20.22 79.44445
20.24 81.48795
20.26 83.98795
20.28 82.8613
20.3 81.75213
20.32 81.20822
20.34 81.46464
20.36 79.43085
20.38 81.30147
20.4 84.89121
20.42 84.10644
20.44 83.71988
20.46 81.80845
20.48 78.33332
20.5 75.91297
20.52 75.43317
20.54 78.29836
20.56 78.63636
20.58 82.17754
20.6 86.4122
20.62 87.28437
20.64 89.02291
20.66 88.30611
20.68 89.26377
20.7 90.43704
20.72 90.09711
20.74 91.67443
20.76 91.3481
20.78 94.22301
20.8 98.65579
20.82 96.85704
20.84 97.05322
20.86 102.0571
20.88 106.11499
20.9 107.54079
20.92 107.61071
20.94 111.49766
20.96 113.39355
20.98 114.70668
21 115.45259
21.02 115.22144
21.04 113.70824
21.06 122.76613
21.08 129.82518
21.1 137.18921
21.12 147.99922
21.14 165.13792
21.16 180.26612
21.18 196.12276
21.2 219.41141
21.22 250.45261
21.24 292.89628
21.26 351.4802
21.28 432.66902
21.3 540.22342
21.32 695.10881
21.34 896.84929
21.36 1135.67406
21.38 1446.64726
21.4 1813.99962
21.42 2222.88657
21.44 2661.78323
21.46 3089.967
21.48 3507.10375
21.5 3863.38775
21.52 4172.22223
21.54 4416.90948
21.56 4568.19346
21.58 4646.28009
21.6 4624.16664
21.62 4491.35584
21.64 4249.28709
21.66 3894.23854
21.68 3459.37842
21.7 2947.79334
21.72 2425.18456
21.74 1941.74051
21.76 1501.53849
21.78 1137.35823
21.8 862.93514
21.82 657.6593
21.84 511.28595
21.86 414.10064
21.88 346.13637
21.9 290.85276
21.92 248.12744
21.94 226.67833
21.96 206.00623
21.98 188.47709
22 179.9087
22.02 172.08236
22.04 160.5439
22.06 152.61266
22.08 139.70862
22.1 130.70707
22.12 124.50468
22.14 118.71019
22.16 111.35782
22.18 105.81198
22.2 103.69465
22.22 101.99885
22.24 99.16474
22.26 99.33956
22.28 99.68922
22.3 99.3687
22.32 102.05906
22.34 100.11267
22.36 98.18572
22.38 98.81703
22.4 96.64919
22.42 94.45611
22.44 92.73894
22.46 94.37647
22.48 98.47708
22.5 100.49339
22.52 102.60489
22.54 103.86558
22.56 106.19464
22.58 107.46115
22.6 108.63249
22.62 110.68183
22.64 110.69155
22.66 109.25799
22.68 112.91766
22.7 112.01828
22.72 110.36716
22.74 111.80461
22.76 111.20243
22.78 109.37648
22.8 111.08394
22.82 112.83996
22.84 112.39319
22.86 112.27081
22.88 117.66319
22.9 114.39977
22.92 113.37412
22.94 109.58428
22.96 105.21559
22.98 102.87683
23 99.96308
23.02 96.29176
23.04 94.52215
23.06 97.06878
23.08 98.4596
23.1 96.8007
23.12 96.92113
23.14 95.01165
23.16 96.09361
23.18 96.3811
23.2 95.78086
23.22 94.66004
23.24 94.49494
23.26 95.09129
23.28 93.63054
23.3 94.18028
23.32 90.51672
23.34 89.17834
23.36 86.7366
23.38 84.86402
23.4 84.34731
23.42 84.93783
23.44 84.82906
23.46 85.34577
23.48 86.66085
23.5 89.63093
23.52 89.21523
23.54 89.63675
23.56 91.48212
23.58 90.75758
23.6 91.12665
23.62 91.73465
23.64 89.92035
23.66 87.67094
23.68 89.15113
23.7 90.6857
23.72 90.35742
23.74 92.21057
23.76 92.67871
23.78 90.71485
23.8 91.46077
23.82 90.12238
23.84 87.88462
23.86 88.0575
23.88 87.28245
23.9 87.32712
23.92 87.3077
23.94 88.22456
23.96 84.5066
23.98 83.45764
24 82.10371
24.02 80.95569
24.04 81.824
24.06 82.82827
24.08 82.6049
24.1 83.57421
24.12 82.7603
24.14 82.97785
24.16 81.14025
24.18 76.75408
24.2 70.71677
24.22 67.77582
24.24 64.02678
24.26 63.53728
24.28 62.38733
24.3 62.55246
24.32 66.61229
24.34 71.75992
24.36 73.98603
24.38 73.81315
24.4 73.30809
24.42 74.22494
24.44 72.38539
24.46 70.1826
24.48 66.7502
24.5 65.89357
24.52 66.83374
24.54 65.38464
24.56 65.47788
24.58 66.08199
24.6 67.45728
24.62 68.76458
24.64 68.77817
24.66 66.40637
24.68 66.79681
24.7 64.93977
24.72 64.30262
24.74 62.86128
24.76 63.06524
24.78 60.37682
24.8 60.033
24.82 61.30729
24.84 64.26573
24.86 65.02914
24.88 70.60024
24.9 72.24166
24.92 71.31898
24.94 69.52994
24.96 66.251
24.98 60.41183
25 59.08704
25.02 60.06606
25.04 62.63988
25.06 62.22223
25.08 63.87336
25.1 60.75176
25.12 59.53381
25.14 58.14103
25.16 56.7133
25.18 54.5513
25.2 57.33878
25.22 60.78867
25.24 64.62123
25.26 64.37258
25.28 63.99962
25.3 63.41686
25.32 64.62316
25.34 64.58626
25.36 63.31392
25.38 61.29761
25.4 60.61772
25.42 59.48718
25.44 57.78165
25.46 57.87101
25.48 57.40092
25.5 58.09052
25.52 57.24747
25.54 60.86442
25.56 59.24632
25.58 60.23116
25.6 59.84653
25.62 59.81351
25.64 60.62936
25.66 63.37799
25.68 61.63364
25.7 59.83294
25.72 59.71251
25.74 60.82945
25.76 57.33876
25.78 58.52757
25.8 57.06681
25.82 56.29951
25.84 56.68996
25.86 57.65927
25.88 56.75601
25.9 57.64567
25.92 60.44871
25.94 62.25911
25.96 63.05554
25.98 66.14412
26 64.8038
26.02 63.60722
26.04 63.8753
26.06 61.51516
26.08 59.37841
26.1 58.26148
26.12 55.53226
26.14 54.93592
26.16 55.2875
26.18 56.87257
26.2 56.3112
26.22 58.33139
26.24 60.31274
26.26 59.93977
26.28 59.36091
26.3 56.51904
26.32 56.04118
26.34 56.85896
26.36 58.50232
26.38 58.93744
26.4 60.5031
26.42 61.30342
26.44 61.65501
26.46 59.99028
26.48 57.63598
26.5 56.41415
26.52 58.6927
26.54 59.95145
26.56 60.51089
26.58 60.70902
26.6 60.45262
26.62 58.33918
26.64 59.7708
26.66 59.30848
26.68 60.02915
26.7 61.33062
26.72 60.42346
26.74 58.7432
26.76 56.5501
26.78 56.4219
26.8 55.71094
26.82 55.16704
26.84 56.76378
26.86 58.32168
26.88 57.56799
26.9 57.49223
26.92 56.03923
26.94 54.7941
26.96 55.42153
26.98 59.14918
27 59.29487
27.02 60.13598
27.04 60.15347
27.06 60.92658
27.08 59.15889
27.1 58.68297
27.12 57.67675
27.14 58.34109
27.16 58.66547
27.18 60.55941
27.2 60.21754
27.22 60.4118
27.24 59.79215
27.26 58.33722
27.28 56.67833
27.3 57.05713
27.32 57.10958
27.34 55.68767
27.36 53.93746
27.38 52.93708
27.4 53.47321
27.42 53.72573
27.44 55.01555
27.46 55.87608
27.48 57.96038
27.5 60.338
27.52 60.56915
27.54 57.85548
27.56 57.5777
27.58 54.60955
27.6 53.44599
27.62 52.64761
27.64 51.19464
27.66 52.18338
27.68 54.11034
27.7 56.6181
27.72 58.29837
27.74 58.1857
27.76 57.8069
27.78 55.81778
27.8 52.92733
27.82 51.75601
27.84 51.89782
27.86 53.97629
27.88 55.33409
27.9 58.55864
27.92 59.81739
27.94 60.12235
27.96 58.31584
27.98 55.89355
28 54.25603
28.02 52.1931
28.04 52.04936
28.06 50.52837
28.08 48.05556
28.1 49.00738
28.12 51.72301
28.14 53.43241
28.16 54.67756
28.18 56.65892
28.2 59.03072
28.22 57.8555
28.24 57.46895
28.26 56.70942
28.28 54.58432
28.3 55.76341
28.32 56.81624
28.34 56.1519
28.36 57.76418
28.38 57.88072
28.4 58.60333
28.42 59.80768
28.44 60.57692
28.46 61.41802
28.48 59.82906
28.5 58.82091
28.52 57.16978
28.54 55.39434
28.56 54.67173
28.58 52.07461
28.6 52.14647
28.62 53.45378
28.64 52.60102
28.66 52.61072
28.68 51.50933
28.7 51.84345
28.72 53.65191
28.74 53.23233
28.76 54.23467
28.78 53.80343
28.8 51.83179
28.82 51.38502
28.84 51.51711
28.86 51.98523
28.88 52.40675
28.9 55.31663
28.92 58.33721
28.94 59.05982
28.96 60.43706
28.98 60.18259
29 57.20862
29.02 56.16356
29.04 53.89667
29.06 50.14764
29.08 50.99068
29.1 50.79449
29.12 51.88229
29.14 51.25679
29.16 50.95959
29.18 52.02601
29.2 51.32672
29.22 51.74437
29.24 50.68766
29.26 52.41843
29.28 57.4631
29.3 57.22613
29.32 59.94563
29.34 58.98215
29.36 57.76031
29.38 57.02993
29.4 54.74166
29.42 55.63328
29.44 55.8489
29.46 58.47127
29.48 61.81626
29.5 63.57034
29.52 67.98953
29.54 67.51556
29.56 66.20436
29.58 67.87102
29.6 65.27389
29.62 65.27
29.64 65.96541
29.66 68.45571
29.68 69.5338
29.7 70.30692
29.72 71.7463
29.74 72.37567
29.76 72.24358
29.78 76.655
29.8 75.60606
29.82 75.11071
29.84 75.45649
29.86 74.56489
29.88 72.68649
29.9 70.05246
29.92 67.09984
29.94 67.02991
29.96 67.12314
29.98 66.55789
30 65.67988
30.02 64.42697
30.04 63.16047
30.06 63.50623
30.08 65.33801
30.1 64.7805
30.12 65.46424
30.14 65.39043
30.16 65.96152
30.18 64.8776
30.2 67.13285
30.22 68.77428
30.24 68.93745
30.26 71.7094
30.28 73.78206
30.3 75.74786
30.32 76.8279
30.34 79.96116
30.36 85.42542
30.38 95.51089
30.4 103.2945
30.42 110.34189
30.44 122.20475
30.46 135.72067
30.48 148.05556
30.5 161.96581
30.52 177.22027
30.54 192.08429
30.56 204.89897
30.58 224.03457
30.6 237.87296
30.62 249.96115
30.64 261.12278
30.66 264.66397
30.68 263.71409
30.7 259.89123
30.72 253.70241
30.74 235.70707
30.76 217.4456
30.78 201.07614
30.8 182.02991
30.82 159.41529
30.84 137.4728
30.86 120.29137
30.88 107.20086
30.9 97.31158
30.92 89.54935
30.94 82.50001
30.96 78.60336
30.98 76.02178
31 73.96854
31.02 70.63519
31.04 69.49105
31.06 69.20745
31.08 66.12082
31.1 62.10761
31.12 62.76223
31.14 63.52952
31.16 62.66901
31.18 61.64142
31.2 63.15658
31.22 62.03768
31.24 58.95105
31.26 56.73466
31.28 53.72184
31.3 50.66046
31.32 53.06916
31.34 52.25136
31.36 53.40715
31.38 54.52214
31.4 57.15812
31.42 54.77855
31.44 55.39432
31.46 57.68065
31.48 56.48019
31.5 55.62937
31.52 56.24321
31.54 56.24903
31.56 56.30342
31.58 56.74437
31.6 55.90521
31.62 53.22068
31.64 54.46388
31.66 54.77856
31.68 54.12199
31.7 54.70086
31.72 56.04313
31.74 55.01748
31.76 54.44251
31.78 55.4157
31.8 54.49107
31.82 57.44561
31.84 60.7129
31.86 64.40754
31.88 63.55866
31.9 63.33527
31.92 65.02914
31.94 67.22417
31.96 67.81857
31.98 67.15034
32 66.97163
32.02 72.03379
32.04 72.13675
32.06 74.49495
32.08 70.94018
32.1 71.69193
32.12 72.94096
32.14 74.05401
32.16 71.29177
32.18 70.33994
32.2 69.18027
32.22 69.58236
32.24 66.28204
32.26 65.47785
32.28 63.63635
32.3 64.62897
32.32 62.76417
32.34 62.0979
32.36 62.31158
32.38 62.72728
32.4 62.99924
32.42 63.97631
32.44 63.85199
32.46 65.29333
32.48 64.97476
32.5 65.12627
32.52 62.18532
32.54 60.5303
32.56 59.03067
32.58 58.87527
32.6 58.71794
32.62 58.93161
32.64 61.77544
32.66 64.48912
32.68 64.82907
32.7 65.04858
32.72 61.74049
32.74 59.05012
32.76 57.4359
32.78 56.78712
32.8 54.51633
32.82 53.77623
32.84 54.28711
32.86 55.73038
32.88 56.33645
32.9 55.0408
32.92 54.69698
32.94 53.07109
32.96 52.98562
32.98 52.75252
33 52.53884
33.02 52.75446
33.04 51.56954
33.06 50.7634
33.08 51.68805
33.1 51.96389
33.12 55.0952
33.14 53.32752
33.16 53.59947
33.18 54.17445
33.2 53.15464
33.22 53.22651
33.24 51.44717
33.26 49.16473
33.28 49.75914
33.3 48.15851
33.32 48.21289
33.34 46.31506
33.36 44.98251
33.38 43.44016
33.4 41.37528
33.42 41.83372
33.44 42.46503
33.46 43.7568
33.48 45.24476
33.5 44.75913
33.52 46.12665
33.54 47.69814
33.56 45.71097
33.58 46.02759
33.6 45.54196
33.62 46.12859
33.64 45.80419
33.66 45.41569
33.68 47.32711
33.7 46.13052
33.72 46.09168
33.74 45.65073
33.76 43.28283
33.78 44.51632
33.8 46.30925
33.82 48.49261
33.84 47.0746
33.86 46.22961
33.88 47.16395
33.9 45.85276
33.92 44.63092
33.94 43.74903
33.96 42.3854
33.98 43.47514
34 46.46659
34.02 48.11577
34.04 46.52486
34.06 47.25524
34.08 46.66277
34.1 47.29797
34.12 46.64917
34.14 46.14607
34.16 45.76923
34.18 44.16279
34.2 45.07382
34.22 44.62899
34.24 44.8038
34.26 46.56177
34.28 46.69386
34.3 50.56138
34.32 50.00388
34.34 49.29682
34.36 47.86909
34.38 46.08393
34.4 45.81587
34.42 45.86637
34.44 46.10723
34.46 46.75991
34.48 46.88035
34.5 49.4056
34.52 47.17755
34.54 47.79527
34.56 47.59713
34.58 45.38267
34.6 41.99495
34.62 41.4219
34.64 40.54972
34.66 41.76961
34.68 43.29837
34.7 43.58198
34.72 44.94757
34.74 47.77197
34.76 47.36986
34.78 46.93279
34.8 45.4254
34.82 46.16938
34.84 46.60062
34.86 46.11306
34.88 46.59092
34.9 45.08161
34.92 46.07229
34.94 46.01401
34.96 43.68689
34.98 44.67756
35 43.61694
\end{filecontents}
\begin{document}
\begin{tikzpicture}
\pgfplotstableread{MWE.dat}\mydata;
\begin{axis}[width=8cm,
height=10cm,
xmin=20,
xmax=70,
xtick distance= 5,
minor x tick num = 4,
ymode=log,
ymin=2.5E1,
ymax=2E4,
yticklabels={,,}]
\addplot[no markers, thick] table {MWE.dat};
\end{axis}
\end{tikzpicture}
\end{document}
答案1
原有的剧情因为台词的加入而“受损”。
如果你改变行连接，结果看起来可能会更好。例如，添加line join=round，即
\addplot[no markers, thick,line join=round] table {MWE.dat};
产量
当然，除了可以更改的颜色之外，这看起来与 ORIGINS 结果非常相似。