Contour plot with function triplot

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Xiaohan Du 2018-2-19

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https://ww2.mathworks.cn/matlabcentral/answers/383510-contour-plot-with-function-triplot

编辑： Xiaohan Du 2018-2-19

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Hi all,

I have a script which plots a structure:

clear; clc; clf;
% nodal coordinates.
coord = [0 0; 1 0; 2 0; 3 0; 0 1; 0.5 1; 1.5 1; 2.5 1; 3 1];
% connectivity.
conne = [1 6 5; 1 2 6; 2 7 6; 2 3 7; 3 8 7; 3 4 8; 4 9 8];
% y-displacements
ydis = [0 0 0 0 0.1 0.2 0.3 0.2 0.1]';
% y-deformed coordinates
coord_dis = [coord(:, 1) coord(:, 2) - ydis];
% plot the structure.
triplot(conne, coord_dis(:,1), coord_dis(:,2));
axis equal

The script gives me:

Is it possible to make the plot a contour, which uses colour to denote different values in ydis, for example, darker colour with larger values in ydis?

Plot would be like this one: