% --------------------------------------------------------------------
function tophat_Callback(hObject, eventdata, handles)
% hObject    handle to tophat (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
image=handles.courant_data;
se = strel('disk',30);
b = imtophat(image,se);
handles.ima_traite = b;
axes(handles.imgT);
subimage(b);
handles.output = hObject;
guidata(hObject, handles);

% --------------------------------------------------------------------
function bottom_hat_Callback(hObject, eventdata, handles)
% hObject    handle to bottom_hat (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
image=handles.courant_data;
se = strel('disk',30);
b = imbothat(image,se);
handles.ima_traite = b;
axes(handles.imgT);
subimage(b);
handles.output = hObject;
guidata(hObject, handles);

% --------------------------------------------------------------------
function gradient_interne_Callback(hObject, eventdata, handles)
% hObject    handle to gradient_interne (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
image=handles.courant_data;
se = strel('disk',3);
b = imerode(image,se);
img = image - b;
handles.ima_traite = img;
axes(handles.imgT);
subimage(img);
handles.output = hObject;
guidata(hObject, handles);

% --------------------------------------------------------------------
function gradient_externe_Callback(hObject, eventdata, handles)
% hObject    handle to gradient_externe (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
image=handles.courant_data;
se = strel('disk',3);
b = imdilate(image,se);
img = b - image ;
handles.ima_traite = img;
axes(handles.imgT);
subimage(img);
handles.output = hObject;
guidata(hObject, handles);

% --------------------------------------------------------------------
function gradient_morphologique_Callback(hObject, eventdata, handles)
% hObject    handle to gradient_morphologique (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
image=handles.courant_data;
se = strel('disk',3);
a=  imerode(image,se);
b = imdilate(image,se);
img = b - a ;
handles.ima_traite = img;
axes(handles.imgT);
subimage(img);
handles.output = hObject;
guidata(hObject, handles);