surf=gca;xlim(surf,[-15 +15]);xlabel('x');zlim(surf,[-15 +15]);zlabel('z');ylim(surf,[-15 +15]);ylabel('y');% [1,1,1;4,1,1;4,4,1;1,4,1; 1,1,4;4,1,4;4,4,4;1,4,4]
%vertices=input('inserire i vertici del ploigono \n' );
S.vertices=[1,1,1;4,1,1;4,4,1;1,4,1; 1,1,4;4,1,4;4,4,4;1,4,4];S.faces=[1,2,3,4;1,2,6,5;3,2,6,7;4,3,7,8;4,1,5,8;5,6,7,8];p=patch(S);c = p.CData;p.CDataMapping = 'scaled';p.FaceVertexCData=[1 0 0; 0 1 0 ; 0 0 1 ; 0 1 1 ; 1 0 1 ; 1 1 0 ];MATLAB: I can’t change polygon faces’s color
facesvertexcdata
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see my recommendations
Try this
vec1 = [1;0;0];vec2 = [0;1;0];vec3 = [0;0;1];q_w=quiver3(zeros(3,1),zeros(3,1),zeros(3,1),vec1,vec2,vec3);q_w.LineWidth=3;q_w.AutoScaleFactor=8;psi = pi/4;theta = pi/3;fi = pi/6;rz=[ cos(psi) -sin(psi) 0 ; sin(psi) cos(psi) 0 ; 0 0 1] ;ry=[ cos(theta) 0 sin(theta) ; 0 1 0 ; -sin(theta) 0 cos(theta)];rx=[ 1 0 0 ; 0 cos(fi) -sin(fi); 0 sin(fi) cos(fi)];rM=ry*rx*rz; % giusta
figure;q_w=quiver3(zeros(3,1),zeros(3,1),zeros(3,1),rM*vec1,rM*vec2,rM*vec3);q_w.LineWidth=3;q_w.AutoScaleFactor=8;
Also see eul2rotm(): https://www.mathworks.com/help/releases/R2020a/robotics/ref/eul2rotm.html to generate the rotation matrix.
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