Matlab由三维散点绘制三维曲面（含等高线，剖面图） |
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Matlab由三维散点绘制三维曲面（含等高线，剖面图）
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绘图描述：由若干个给定的三维散点（x,y,z）绘制一个三维的曲面，具体的效果如图：
伪彩图：
等高线：
三维曲面（深色）：
三维曲面（浅色）+等高线：
剖面图：
Matlab 程序如下: 其中A就是我们散点的数据矩阵 A=[ 173.699 116.986 -409.863 130.39 108.312 -388.571 187.826 112.642 -400.268 124.039 103.974 -389.837 116.014 108.316 -411.271 144.865 84.973 -323.459 139.674 101.629 -389.837 176.923 87.4359 -383.59 160.563 95.493 -421.408 175.034 91.2752 -401.611 133.165 84.3038 -378.734 183.704 82.4691 -369.383 222.345 88.2759 -412.69 145.08 77.9421 -384.823 178.701 77.6623 -388.571 155.385 75.641 -383.59 230.556 80.8333 -415.556 156.667 64.5238 -356.19 167.688 63.6637 -359.399 175.668 62.908 -355.134 148.166 59.8817 -354.083 170.06 57.006 -358.323 13.8507 54.6866 -357.254 130.952 54.7619 -356.19 28.3279 58.7541 -392.393 155.74 53.9645 -354.083 43.8796 58.8629 -400.268 63.2168 57.0629 -418.462 148.201 49.0855 -353.038 46.9677 50.5806 -386.065 163.81 47.6191 -356.19 70.069 52.9655 -412.69 155.701 45.3731 -357.254 78.3784 50.5405 -404.324 53.1613 45.6774 -386.065 96.9536 47.1523 -396.291 169.075 42.5075 -357.254 -4.60064 43.7061 -382.364 11.4286 44.6753 -388.571 158.58 39.5266 -354.083 149.145 38.2301 -353.038 83.2653 42.9932 -407.075 139.585 36.0831 -355.134 170.952 35 -356.19 62.6316 35.2632 -393.684 153.864 32.0944 -353.038 91.0345 36.4138 -412.69 97.9805 34.3974 -389.837 16.8153 30.5732 -381.146 144.425 27.6106 -353.038 161.424 27.0623 -355.134 -8.58044 27.2555 -377.539 77.0764 27.907 -397.608 10.7006 25.4777 -381.146 169.639 21.6867 -360.482 151.163 20.6977 -347.907 95.6757 23.2432 -404.324 6.09524 20.0635 -379.936 142.537 16.9912 -353.038 164.286 15 -356.19 148.201 12.2714 -353.038 -0.996885 12.2118 -372.835 -31.3043 9.93789 -371.677 138.698 8.7574 -354.083 12.4224 8.9441 -371.677 156.213 6.86391 -354.083 25.5422 5.54217 -360.482 84.5104 4.51039 -355.134 164.286 2.14286 -356.19 -10 1.5 -374 147.765 1.41176 -352 58.3529 0.705882 -352 15.7143 0 -356.19 -36.2733 -0.496894 -371.677 -21.3003 -0.495356 -370.526 2.91793 -0.972644 -363.769 171.018 -3.35329 -358.323 138.698 -3.5503 -354.083 -4.47205 -4.47205 -371.677 152.92 -4.48378 -353.038 -55.2258 -4.90323 -386.065 226.573 -6.71329 -418.462 84.3373 -5.78313 -360.482 108.354 -8.35443 -378.734 128.685 -8.07339 -365.994 134.041 -9.20354 -353.038 11.4943 -9.1954 -343.908 68.7147 -11.2853 -375.172 77.3089 -10.5199 -365.994 156.696 -10.6195 -353.038 233.498 -13.5689 -422.898 -48.4076 -11.2102 -381.146 142.485 -11.8343 -354.083 -23.0675 -12.2699 -367.117 -57.0701 -13.758 -381.146 104.678 -16 -405.695 149.145 -13.9233 -353.038 61.9683 -14.7302 -379.936 164.776 -14.806 -357.254 172.764 -14.5869 -340.969 -7.25076 -15.2266 -361.571 7.77143 -14.8571 -341.943 123.55 -17.5148 -354.083 110.234 -19.7993 -400.268 132.071 -18.4615 -354.083 -15.122 -19.2683 -364.878 13.9326 -18.427 -336.18 179.335 -21.2689 -361.571 99.402 -23.3887 -397.608 23.8017 -19.1736 -329.697 141.065 -22.7219 -354.083 168.597 -23.1642 -357.254 188.957 -25.5215 -367.117 -67.0627 -25.8746 -394.983 -47.7019 -24.5963 -371.677 -9.63855 -25.3012 -360.482 152.426 -26.7456 -354.083 10.8782 -24.9292 -339.037 176.239 -30.0896 -357.254 68.3544 -30.8861 -378.734 -28.9571 -29.9387 -367.117 142.485 -30.7692 -354.083 -41.8462 -30.7692 -368.246 165.731 -32 -357.254 -20.4255 -30.8815 -363.769 57.8723 -31.8541 -363.769 82.7211 -36.4626 -407.075 184.878 -35.6098 -364.878 155.74 -35.503 -354.083 40.4706 -35.2941 -352 -25.5422 -36.8675 -360.482 31.5493 -36.507 -337.127 145.325 -39.7633 -354.083 161.91 -40.8358 -357.254 54.8428 -43.2704 -376.352 -33.6585 -42.1951 -364.878 18.9011 -38.9011 -328.791 40 -39.1579 -314.947 152.404 -47.2404 -355.134 142.485 -47.8106 -354.083 -14.3353 -45.0867 -345.896 165.269 -49.8204 -358.323 -24.4706 -47.0588 -352 -51.838 -51.5888 -372.835 -18.6589 -50.379 -348.921 155.814 -54.4186 -347.907 -41.7178 -54.9693 -367.117 -30 -53.3333 -356.19 143.858 -56.4985 -355.134 95.3642 -62.7815 -396.291 48 -54.8571 -341.943 38.4181 -54.4633 -338.079 151.905 -59.2857 -356.19 -22.7907 -57.4419 -347.907 87.5081 -65.7605 -387.314 20.1117 -56.3129 -334.302 -34.4242 -61.5758 -362.667 33.9943 -59.1501 -339.037 98.1818 -69.3507 -388.571 156.213 -64.142 -354.083 -44.0867 -64.8916 -370.526 141.317 -65.8683 -358.323 45.6497 -61.2429 -338.079 169.639 -67.4699 -360.482 -28.4337 -65.0602 -360.482 -17.9351 -63.4808 -353.038 149.97 -68.5373 -357.254 3.23699 -65.2023 -345.896 22.4719 -65.1685 -336.18 -38.6544 -70.948 -365.994 10 -66.3636 -340 163.844 -74.4745 -359.399 33.7079 -67.8652 -336.18 143.761 -74.0299 -357.254 -31.0303 -73.9394 -362.667 152.814 -76.6467 -358.323 -14.6313 -72.9204 -353.038 102.748 -82.0447 -382.364 40.226 -71.8644 -338.079 -0.930233 -74.4186 -347.907 49.5455 -73.6364 -340 26.1408 -73.0141 -337.127 -23.0631 -77.1171 -359.399 159.521 -80.479 -358.323 14.1714 -74.9714 -341.943 -11.3609 -80 -354.083 182.086 -87.6074 -367.117 132.776 -85.0149 -357.254 169.697 -86.7879 -362.667 -43.8629 -84.9844 -372.835 32.0904 -78.4181 -338.079 144.239 -85.9701 -357.254 7.86127 -80.6936 -345.896 155.195 -87.4475 -359.399 46.2921 -80.4494 -336.18 -26.3415 -87.8049 -364.878 39.4334 -83.1728 -339.037 137.417 -91.2913 -359.399 162.866 -91.4627 -357.254 177.125 -94.1896 -365.994 150.843 -92.5301 -360.482 -14.5015 -90.1511 -361.571 17.1098 -86.7052 -345.896 35.0432 -88.9913 -344.899 185.758 -99.0712 -370.526 23.5838 -90.4046 -345.896 -0.484848 -96.4848 -362.667 11.7647 -94.1176 -352 40.226 -92.2034 -338.079 218.919 -113.514 -404.324 111.411 -103.558 -367.117 -40.127 -103.619 -379.936 -33.121 -108.28 -381.146 7.71084 -103.133 -360.482 151.398 -96.129 -321.72 21.2389 -101.711 -353.038 114.424 -108.121 -362.667 -65.036 -126.043 -430.504 30.5882 -105.176 -352 -18.9091 -109.576 -362.667 14.1033 -110.638 -363.769 -5.5 -116 -374 9.71246 -123.195 -382.364 36.4308 -119.877 -368.246 112.771 -119.518 -360.482 43.2558 -113.721 -347.907 -58.9474 -135.86 -419.93 -1.52866 -124.331 -381.146 25 -124 -374 52.5301 -120 -360.482 -95.7576 -147.879 -453.333 118.323 -122.874 -358.323 63.1325 -122.892 -360.482 71.1111 -117.151 -340.969 92.4251 -114.223 -326.104 82.6113 -124.866 -355.134 98.5397 -134.349 -379.936 -102.326 -159.38 -463.876 ]; x=A(:,1);y=A(:,2);z=A(:,3); scatter3(x,y,z)%散点图 figure [X,Y,Z]=griddata(x,y,z,linspace(min(x),max(x))',linspace(min(y),max(y)),'v4');%插值 pcolor(X,Y,Z);shading interp%伪彩色图 figure,contourf(X,Y,Z) %等高线图 figure,surf(X,Y,Z);%三维曲面 figure,meshc(X,Y,Z)%剖面图 view(0,0); figure,meshc(X,Y,Z);%s三维曲面（浅色）+等高线 hidden off;
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