How to plot a filled box?

Question

Stephan 2017-12-5

1
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/371305-how-to-plot-a-filled-box

评论： Stephan 2017-12-6

采纳的回答： Jos (10584)

在 MATLAB Online 中打开

Hello everyone,

in 2 dimensions I can plot a shaded rectangle with the following code:

    h=fill([0,1,1,0],[0,0,2,2],'red');
    h.FaceAlpha=0.3;

My question is, how to do the same thing in 3 dimensions (with height=1). Then a rectangle would be a box.

Thanks, Stephan

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Answer 1

Jos (10584) 2017-12-5

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/371305-how-to-plot-a-filled-box#answer_294872

在 MATLAB Online 中打开

Plot each of the sides separately

h = fill3([1 1 2 2],[1 2 2 1],[1 1 1 1],'r', ...
 [1 1 2 2],[1 2 2 1],[2 2 2 2],'r', ...
 [1 1 1 1],[1 2 2 1],[1 1 2 2],'b', ...
 [2 2 2 2],[1 2 2 1],[1 1 2 2],'b', ...
 [1 1 2 2],[1 1 1 1],[1 2 2 1],'g-',...
 [1 1 2 2],[2 2 2 2],[1 2 2 1],'g-') ;
set(h,'FaceAlpha',0.3) ;