![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1238582/image.png)
Change the position of a pie chart
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Hi everyone,
I'd like to change the position of a pie chart from "Initial position" to "Final position" (see figure below).
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1238547/image.png)
Can anyone help me?
Thank you.
Alessia
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回答(2 个)
Mathieu NOE
2022-12-21
hello
try this
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1238582/image.png)
X = [0.1 0.2 0.2];
subplot(1,2,1),
pie(X);
subplot(1,2,2),
pie(X);
set(gca, 'CameraViewAngleMode', 'manual', 'CameraTargetMode', 'manual', ...
'CameraPositionMode', 'manual');
ang = 3*pi/2;
set(gca, 'CameraUpVector', [sin(ang), cos(ang), 0]);
3 个评论
Mathieu NOE
2022-12-22
My pleasure !
If my submission fullfills your request, do you mind accepting it ?
tx
Mathieu NOE
2023-1-31
hello again
If my submission fullfills your request, do you mind accepting it ?
tx
Adam Danz
2022-12-21
编辑:Adam Danz
2022-12-22
The text label alignment needs updated since the initial alignment is designed to be to the left of the pie segments but after rotation, the labels should be centered above the segments. The text alignment adjustment is fairly easy for this example but if the pie chart contained all segements around the circle, a bit more work would be needed to assign the best alignment property values.
% Create initial pie chart
ax = axes();
h = pie([.167 .167 .167]);
% rotate 90 deg clockwise
ang = -90; % angle of rotation, degrees, negative is clockwise
tform = hgtransform('Parent',ax);
set(h, 'Parent', tform)
Rz = makehgtform('zrotate',ang*pi/180);
set(tform,'Matrix',Rz)
% Adjust text label alignment
tobj = findobj(h,'type','text');
set(tobj, 'VerticalAlignment', 'Bottom', 'HorizontalAlignment', 'Center')
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