i am trying to build a gui in which first popupmenu1 having code which gives results as 'rs' and i want to pass that result to next popupmenu2 i have used guidata to do so but i am getting error " reference to non existance field "

Question

rahul ahire 2016-3-15

0
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https://ww2.mathworks.cn/matlabcentral/answers/273672-i-am-trying-to-build-a-gui-in-which-first-popupmenu1-having-code-which-gives-results-as-rs-and-i

关闭： MATLAB Answer Bot 2021-8-20

the code I have write as function popupmenu1_Callback(hObject, eventdata, handles)

 switch get(handles.category,'string')
      case 'Tomato' % User selects Peaks.
         %%%%%%%%%%%%maturity %%%%%%%%%%%%
          a=imread('picview_tmpEnvironmental214.jpg'); 
       b=a;
a=rgb2gray(a);
 a=im2bw(a,.5);
 [m,n]=size(a);
 a=~a;
  figure,
 imshow(a);
 count=0;
  for i=1:m
    for j=1:n
        if(a(i,j)==1)
            count=count+1;
        end
    end
  end
   a=b;
   [rows cols plane] = size(a); 
                      rplane = a( : , : ,1); 
                      gplane = a( : , : ,2); 
                      bplane = a( : , : ,3); 
                       flag=0;
                      for x=1:1:rows;
                         for y=1:1:cols
                              if ((128 < rplane(x,y) & rplane(x,y) <= 255) & (0 < gplane(x,y) & gplane(x,y) <= 128) & (0 < bplane(x,y) & bplane(x,y) <= 128))
                                            flag=1+flag;
                              end
                          end
                    end
                 K=count;
             %K=rows*cols-%no of white or black pixels(that meance pixels other than fruit pixels);
                rs = (flag/K)*100;
                handles.rs=rs;
                guidata(hObject,handles)
 %%%%%%%%%%%%defect on the basis of colour %%%%%%%%%%%%%%%%%%%%%%%%
      case 'Mango' % User selects Membrane.
      case 'Apple ju ju be' % User selects Sinc.
      case 'Orange'
        otherwise;
    end