HOW TO CALL AN EXTARNAL FUNCTION INTO A PUSHBUTTON CALLBACK FUNCTION

function pushbutton1_Callback(hObject, eventdata, handles)
% hObject    handle to pushbutton1 (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 [FileName, folderName] = uigetfile('*.*','specify an image file');
 fullimageFilename=fullfile(folderName,FileName);
 im=imread(fullimageFilename);
 image(im,'parent',handles.axes3);

NOW I WANT TO CALL A FUNCTION INTO THIS CALLBACK FUNCTION WHICH WILL TAKE IMAGE AS INPUT AND WILL CALULATE COLOR MOMENT OF THAT IMAGE AND SHOW THAT IMAGE IN GUI.

PLEASE HELP ME ABOUT THIS

[Walter Roberson]

Please don't SHOUT.

Answer 1

[ES]

You can just have a function call to that function with necessary inputs. support you want to pass im to the function function1(inputMatrix), then call it under the button callback, like this..

function pushbutton1_Callback(hObject, eventdata, handles)
[FileName, folderName] = uigetfile('*.*','specify an image file'); fullimageFilename=fullfile(folderName,FileName); im=imread(fullimageFilename); image(im,'parent',handles.axes3);
function1(im);

Make sure that function1 is in the matlab path. Or better, place it in the same folder as the GUI's files(fig and m), or even much better, copy function1 into the m file of the GUI and call it.

[roshi choudhary]

sorry, i have tried this already but it didn't work out for me.......can you suggest some other method

[Walter Roberson]

What happened when you tried it? Did you get an error message? Did you try giving the command line command

dbstop if error

and then running, and trying to debug the problem when the error occurs ?

Answer 2

[Walter Roberson]

Just before the image() call, add

   this_color_moment = calculate_color_moment(im);

where calculate_color_moment is the name of the appropriate function.

There does not seem to be much point in calculating the color moment when you do not do anything with the result.