Error in function "rotate" in version 2015a

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Mehdi
Mehdi 2015-9-23
评论： Walter Roberson 2015-9-25
Hi everyone,
I wrote a code in version 2013a which uses rotate function but when I run the code in MATLAB 2015a I get the following error:
Error using matlab.graphics.GraphicsPlaceholder/get
Property type not found in class matlab.graphics.GraphicsPlaceholder, or is not present in all elements of the array of class matlab.graphics.GraphicsPlaceholder.
Error in rotate (line 59)
t = get(h(i),'type');
Error in c_the_prev (line 70)
rotate(hu1, [0 1 0], 90, [0 0 0])
Error in custom_color>design_Callback (line 220)
c_the_prev
Error in custom_color_custom_color_OpeningFcn (line 84)
design_Callback(hObject, eventdata, handles);
Error in gui_mainfcn (line 220)
feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:});
Error in custom_color (line 42)
gui_mainfcn(gui_State, varargin{:});
What causes the error? I checked the Help documentation for rotate but couldn't find anything different from 2013a. Any insight would be appreciated.

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Walter Roberson
Walter Roberson 2015-9-23
http://uk.mathworks.com/matlabcentral/answers/242959-gui-creation-script-has-matlab-graphics-graphicsplaceholder-set-error#answer_192328
Whatever object hu1 that you are attempting to rotate has not been initialized. The variable exists but has not been assigned an actual graphics object.
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Mehdi
Mehdi 2015-9-25
Walter -
You were right about the difference of routines where hu1 is defined and where it's attempted to be rotated. I defined hu1 as global variable and now the problem is solved! This was not necessary in older versions. Thank you for the input.
get(hu1(1),'type') returns "root".
If it's not too much trouble, do you think you can take a look at my other question which is basically about an error that I get for "load topo" in 2015a? I'd be very grateful.
Thanks anew.
Walter Roberson
Walter Roberson 2015-9-25
get(hu1(1),'type') of root definitely corresponds to undefined. If you were to check in previous releases you would likely find that your hu1(1) value was 0.
I responded yesterday about topo; see http://uk.mathworks.com/matlabcentral/answers/244774-error-in-running-load-topo-in-matlab-2015a

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