Error while evaluating uicontrol callback

Not sure how to fix as I did not write this code, am just using it. When I press the button interpolate on my analyse control interface I get this message in matlab:

"Undefined function 'mex_interpolates_by_weight' for input arguments of type 'double'.

Error in analysis_callbacks (line 2130) map = mex_interpolates_by_weight(CDataStore, option); % mex_intepolates(save_filename, CDataArray)

Error while evaluating uicontrol Callback"

This is what comes up when I click the link to the line it is referring to:

map = mex_interpolates_by_weight(CDataStore, option);  % mex_intepolates(save_filename, CDataArray)

And here is the code:

% Interpolate Button Pressed % Interpolate and make new summary image window else if option == 800

   'Option 800 pressed'
        mainHandle = 1;              % The Analysis Control figure

        viewHandle = findobj(mainHandle,'Tag', 'viewColor')                                                                                
        printHandle = findobj(mainHandle,'Tag', 'printColor')  

      % Find most recently accessed summary window by looking at the child windows of the main figure
      childHandle = get(0, 'Children');
      if length(childHandle) == 1;
         errordlg('Please add a summary file', 'No Summary File Window');
         return
      end
      count = 1;
      name = get(childHandle(count), 'Name');
      while ((count < length(childHandle)) & (~strcmp(name(length(name)-2:length(name)-1), 'su'))) 
         count = count +1;
         name = get(childHandle(count), 'Name');
      end

      set(findall(0, 'Pointer', 'arrow'), 'Pointer', 'watch');   
      figure(childHandle(count));  % Change to the most recently activated summary figure

      mainHandle = gcf;              % The summary figure

% if(~strcmp(name(length(name)-2:length(name)), 'su2')) % convert sum file to su2 file % analysis_callbacks(900, '.sum'); % save as a temp .su2 file % tmpTitle = get(mainHandle, 'Name'); % tmpTitle = [tmpTitle(1:end-4) '_qw21a_1' '.su2']; % return % else tmpTitle = get(mainHandle, 'Name'); % end

      % Change the title to add in interp suffix

%    winTitle_count = 1;
%    for n = 1:length(tmpTitle)        % add in an extra '\' so it is not read as a special character
%        if(strcmp(tmpTitle(n), '\'))
%            winTitle(winTitle_count) = '\';
%            winTitle(winTitle_count+1) = '\';
%            winTitle_count = winTitle_count + 2;
%        else
%            winTitle(winTitle_count) = tmpTitle(n);
%            winTitle_count = winTitle_count + 1;
%        end 
%    end

       winTitle = tmpTitle;
%      if(~strcmp(name(length(name)-2:length(name)), 'su2'))
%          winTitle = strcat(winTitle(1:end-12), '_1_interp.su2');
%      else
          winTitle = strcat(winTitle(1:end-4), '_interp.su2');
 %     end

       %Get the summary image handle and other details
       summaryImageHandle = findobj(mainHandle, 'Tag', 'summaryImg');
       CDataStore = get(summaryImageHandle, 'CData');
       units = get(gca, 'UserData');
       unitWidth = units(1);
       unitTime = units(2);
       unitHeight = units(3);

       %Determine number of dropped frames
       dropframecnt = 0;
       CDataSize = size(CDataStore)
       for cnt = CDataSize(1) : -1 : 1
           if(CDataStore(cnt,1) == 0)
               dropframecnt = dropframecnt + 1 ;
           else
               break;
           end
       end

       if (dropframecnt > (length(CDataStore) * 0.02))
           h = warndlg('More than 2% of the summary file consists of dropped frames\n Please process the .avi file through VirtualDub to remove the dropped frames.\n\n Note: The following interpolated file''s timescale is inaccurate!','WARNING!')
       end

% command = ['interpolates ' '"' tmpTitle '" "' winTitle '"'] % result = system(command); % if(result) % command = [matlabroot '\interpolates ' '"' tmpTitle '" "' winTitle '"']; % result = system(command); % if(result) % command = [matlabroot '\analysis\interpolates ' '"' tmpTitle '" "' winTitle '"'] % result = system(command); % if(result) % command = [matlabroot '\analysis\min\interpolates ' '"' tmpTitle '" "' winTitle '"'] % result = system(command); % if(result) % command = [matlabroot '\min\interpolates ' '"' tmpTitle '" "' winTitle '"'] % result = system(command); % end % end % end % end

% map = zeros(mrows, ncols);

    interpHandle = findobj(0, 'Tag', 'interp_by_weighted_mean');
    if (strcmp(get(interpHandle, 'Checked'), 'on'))
        option = 1;
    else
        option = 2;
    end

    map = mex_interpolates_by_weight(CDataStore, option);  % mex_intepolates(save_filename, CDataArray)

    if (strcmp(get(viewHandle, 'Checked'), 'on'))                                                                               
      if (strcmp(get(printHandle, 'Checked'), 'on'))                                                                            
        show(units, map, winTitle, 'default', 'default');                                                                                       
      else                                                                                                                      
      show(units, map, winTitle, 'default', 'gray');                                                                                 
      end                                                                                                                       
    else                                                                                                                        
      if(strcmp(get(printHandle, 'Checked'), 'off'))                                                                            
        show(units, map, winTitle, 'gray', 'gray');                                                                                          
      else                                                                                                                      
        show(units, map, winTitle, 'gray', 'default');                                                                               
      end                                                                                                                       
    end

% if(~strcmp(name(length(name)-2:length(name)), 'su2')) % system(['del "' tmpTitle '"']); % end % system(['del "' winTitle '"']); % end

     set(findall(0, 'Pointer', 'watch'), 'Pointer', 'arrow')

Answer 1

[Walter Roberson]

You need to locate the function mex_interpolates_by_weight

At the MATLAB command line, use the command

which -all mex_interpolates_by_weight

Considering the mex_ prefix I would not expect to see mex_interpolates_by_weight.m (unless it contained only documentation) but there might be a .c or .C or .cc or .cpp for it.

I suspect it did not get copied over from the original system when you brought over the code, but you could try using your system search function to look for file names that start with mex_interpolates_by_weight

I would, though, also suggest searching the code to look for loadlibrary() -- if it is there then the code for mex_interpolates_by_weight might be buried in a different source file and built into a library.

[Cathryn]

Thank you very much :)