Question

我试图修改此gui http://www.mathworks.com/matlabcentral/fileexchange/20604-3d-slice-viewer，因为我想添加一项功能。这个新功能是评估疾病，我的意思是如果当前观察者的切片有疾病，用户单击是，否则单击否。每位患者应该多次这样做。为了这个学习目的，我使用了来自matlab的mri数据。

问题是我使用指南添加了一个带有两个单选按钮的新框（buttongroup）。但我无法从gui中获得任何价值。当我只使用get（eventdata.NewValue，＆＃39; Tag＆＃39;）时，每次单击按钮我都可以在命令窗口中看到按钮的值，但我不知道如何保存这些点击。我试过没有成功，接下来是：

% --- Executes when selected object is changed in Assess.
function Assess_SelectionChangeFcn(hObject, eventdata, handles)
% hObject    handle to the selected object in EmphyAssess 
% eventdata  structure with the following fields (see UIBUTTONGROUP)
%   EventName: string 'SelectionChanged' (read only)
%   OldValue: handle of the previously selected object or empty if none was selected
%   NewValue: handle of the currently selected object
% handles    structure with handles and user data (see GUIDATA)

switch get(eventdata.NewValue,'Tag')   % Get Tag of selected object
    case '1'
        value = 1; 
        Setappdata(hObject,'result', value); 

      case '2'
          value= 0; 
          Setappdata(hObject,'result', value); 

end

% --- Outputs from this function are returned to the command line.
function varargout = SliceBrowserIsa_OutputFcn(hObject, eventdata, handles)
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Get default command line output from handles structure

   varargout{1} = getappdata(hObject,'result');

Answer 1

您可以使用UnboundLocalError: local variable 'counter' referenced before assignment - look here for more info更新句柄对象。之后，您应该能够访问该值。

您的问题还提到导出到工作区 - 您可以使用guidata(hObject,handles) - see here

检索值并从buttongroup中的radiobutton导出到工作空间

1 个答案: