How to 3D plot eight 4x4 matrices to form a cuboid?
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I have to create a cuboid at the x,y,z origin. This cuboid will undergo transformation (another 4x4 matrix of rotation and translation). I have done this so far, but cannot figure out how to plot the 8 matrices and form a cuboid from it.
x=input('enter width (x direction)= ');
y=input('enter height (y direction)= ');
z=input('enter depth (z direction)= ');
vertex1= [0 0 0 0; 0 0 0 0; 0 0 0 0; 0 0 0 1];
vertex2= [0 0 0 x; 0 0 0 0; 0 0 0 0; 0 0 0 1];
vertex3= [0 0 0 x; 0 0 0 y; 0 0 0 0; 0 0 0 1];
vertex4= [0 0 0 0; 0 0 0 y; 0 0 0 0; 0 0 0 1];
vertex11= [0 0 0 0; 0 0 0 0; 0 0 0 z; 0 0 0 1];
vertex22= [0 0 0 x; 0 0 0 0; 0 0 0 z; 0 0 0 1];
vertex33= [0 0 0 x; 0 0 0 y; 0 0 0 z; 0 0 0 1];
vertex44= [0 0 0 0; 0 0 0 y; 0 0 0 z; 0 0 0 1];
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Image Analyst
2021년 8월 5일
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Image Analyst
2021년 8월 6일
@Reana Taylor, I've never done it before so I'd have to figure it out just as you'll have to. But good luck with it.
darova
2021년 8월 8일
What about cylinder?
r = sqrt(2);
t = linspace(0,2*pi,5)+pi/4;
z = [0 0 1 1];
[T,Z] = ndgrid(t,z);
[X,Y] = pol2cart(T,r);
X(:,[1 end]) = 0;
Y(:,[1 end]) = 0;
surf(X,Y,Z,'facecolor','g','edgecolor','none')
axis equal
light
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