How to rotate cube in MATLAB.?

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Nimisha
Nimisha 2014-12-28
评论： Nimisha 2015-1-3
A = [0 0 0];
B = [1 0 0];
C = [0 1 0];
D = [0 0 1];
E = [0 1 1];
F = [1 0 1];
G = [1 1 0];
H = [1 1 1];
P = [A;B;F;H;G;C;A;D;E;H;F;D;E;C;G;B];
plot3(P(:,1),P(:,2),P(:,3))
I am creating a cube using this code.
Now i want to rotate this cube according to Roll, pitch and Yaw axis.
If R = -0.3064; P = -1.2258; Y = 9.8066
Then how to rotate this cube.?

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Shoaibur Rahman
Shoaibur Rahman 2014-12-28
Add the following lines of code at the bottom of your code:
roll = -0.3064; pitch = -1.2258; yaw = 9.8066;
dcm = angle2dcm(yaw, pitch, roll);
P = P*dcm;
plot3(P(:,1),P(:,2),P(:,3)) % rotated cube
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Shoaibur Rahman
Shoaibur Rahman 2015-1-2
编辑：Shoaibur Rahman 2015-1-2
I guess, you are asking that if the rotation is 360 degrees, then both the original and rotated cube should look at the same position, right?
Instead of using 360, use 2*pi for roll, pitch, and yaw, i.e. in radians.
roll = 2*pi; pitch = 2*pi; yaw = 2*pi;
A = [0 0 0];
B = [1 0 0];
C = [0 1 0];
D = [0 0 1];
E = [0 1 1];
F = [1 0 1];
G = [1 1 0];
H = [1 1 1];
P = [A;B;F;H;G;C;A;D;E;H;F;D;E;C;G;B];
plot3(P(:,1),P(:,2),P(:,3),'g'), hold on
roll = 2*pi; pitch = 2*pi; yaw = 2*pi;
dcm = angle2dcm(yaw, pitch, roll);
P = P*dcm;
plot3(P(:,1),P(:,2),P(:,3)) % rotated cube
plot3(0,0,0,'or')
Nimisha
Nimisha 2015-1-3
Thank You So Much,
Finally it works for me :)

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