i want to link a pushbutton callback of one gui to axes3 of another gui. i used setappdata and getappdata for this,but caanot understand.please help.

in gui2..i want my blurred image to come in axes3 of this gui. my code is - global I2 global IG

[I2, rect] = imcrop(J); axes(handles.axes2); imshow(I2);

handles.I2=I2; guidata(hObject,handles); setappdata(0,'img',I2);

in gui3..i made an blur image,i want this image to be shown in axes3 of gui2, my code is global I2 global slider_len global slider_theta global psf global IG

I2= getappdata(0,'img');

h=gui_2; waitfor(h);

psf=fspecial('gaussian',round(slider_len),round(slider_theta)); IG=imfilter(I2,psf,'conv');

imshow(IG,'gui_2',handles.axes3); handles.IG=IG; guidata(hObject,handles);