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matlab三维图代码.doc

发布:2018-09-22约2.7千字共4页下载文档
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1. generate grid [x,y] = meshgrid(x, y); read excel data z1 = xlsread(data.xls); z1(1 , :) = []; z1(: , 1) = []; z = z1; change the rows a = 1 : 21; a1 = 21 : -1 : 1; z(a, :) = z(a1, :); % mesh the result figure(1) mesh(x,y,z) plot the contour figure(2) contour(x,y,z) colorbar 2 clear; clf; X=[1200 1600 2000 2400 2800 3200 3600 4000]; Y=[3600 3200 2800 2400 2000 1600 1200]; %[X,Y]=meshgrid(x,y); Z=[1480 1500 1550 1510 1430 1300 1200 980 1500 1550 1600 1550 1600 1600 1600 1550 1500 1200 1100 1550 1600 1550 1380 1070 1500 1200 1100 1350 1450 1200 1150 1010 1390 1500 1500 1400 900 1100 1060 950 1320 1450 1420 1400 1300 700 900 850 1130 1250 1280 1230 1040 900 500 700]; figure(1) subplot(2,2,1) contour(X,Y,Z,16) title(等高线1) xlabel(x-axis) ylabel(y-axis) subplot(2,2,3) contour3(X,Y,Z,16) title(等高线2) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) subplot(2,2,2) surf(X,Y,Z) title(地貌图1) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) subplot(2,2,4) surfc(X,Y,Z) title(地貌图2) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) figure(2) subplot(2,2,1) contour(X,Y,Z,16) title(等高线1) xlabel(x-axis) ylabel(y-axis) rotate3d subplot(2,2,3) contour3(X,Y,Z,16) title(等高线2) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) rotate3d subplot(2,2,2) surf(X,Y,Z) title(地貌图) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) rotate3d subplot(2,2,4) surfc(X,Y,Z) title(地貌图2) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) rotate3d figure(3) subplot(2,2,1) surf(X,Y,Z) title(地貌图1) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) subplot(2,2,2) surfc(X,Y,Z) title(地貌图2) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) subplot(2,2,3) surfl(X,Y,Z) title(地貌图3) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) figure(4) subplot(2,2,1) surf(X,Y,Z) title(地貌图1) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) rotate3d subplot(2,2,2) surfc(X,Y,Z) title(地貌图2) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) rotate3d subplot(2,2,3) surfl(X,Y,Z) title(地貌图3) xlabel(x-axis) ylabel(y-axis) zlabel(z-axis) rotate3d 3 % 读取图象数据到矩阵   [A, HYPERLINK /other-data
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