Langkah pertama melakukan proses GUI . Setelah selesai melakukan proses Gui dan berhasil lalu klik RUN, setelah itu baru mengerjakan codingnya...
Langkah kedua, melakukan pemograman/coding
% RIZKA MATLAB code for rizka.fig
% RIZKA, by itself, creates a new RIZKA or raises the existing
% singleton*.
%
% H = RIZKA returns the handle to a new RIZKA or the handle to
% the existing singleton*.
%
% RIZKA('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in RIZKA.M with the given input arguments.
%
% RIZKA('Property','Value',...) creates a new RIZKA or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before rizka_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to rizka_OpeningFcn via varargin.
%
% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one
% instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
% Edit the above text to modify the response to help rizka
% Last Modified by GUIDE v2.5 16-Mar-2020 16:35:25
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @rizka_OpeningFcn, ...
'gui_OutputFcn', @rizka_OutputFcn, ...
'gui_LayoutFcn', [] , ...
'gui_Callback', []);
if nargin && ischar(varargin{1})
gui_State.gui_Callback = str2func(varargin{1});
end
if nargout
[varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT
% --- Executes just before rizka is made visible.
function rizka_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% varargin command line arguments to rizka (see VARARGIN)
% Choose default command line output for rizka
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes rizka wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = rizka_OutputFcn(hObject, eventdata, handles)
% varargout cell array for returning output args (see VARARGOUT);
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Get default command line output from handles structure
varargout{1} = handles.output;
% --- Executes on button press in pushbutton1.
function pushbutton1_Callback(hObject, eventdata, handles)
[name_file1,name_path1] = uigetfile (.....
{'*.bmp;*.jpg;*.tif','files of type (*.bmp,*.jpg,*.tif)';
'*.bmp','file Bitmap (,.bmp)';..........
'*.jpg','file jpeg (*.jpg)';
'*.tif','file Tif (*.tif)';
'*.*','All files (*.*)'},.....
'Open Image');
if ~isequal (name_file1,0)
handles.data1 = imread (fullfile(name_path1,name_file1));
guidata(hObject,handles);
axes(handles.axes1);
imshow(handles.data1);
else
return;
end
% 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)
% --- Executes on button press in pushbutton2.
function pushbutton2_Callback(hObject, eventdata, handles)
image1 = handles.data1;
gray = rgb2gray(image1);
axes(handles.axes2);
imshow(gray);
handles.data2=gray;
guidata(hObject,handles);
% hObject handle to pushbutton2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --- Executes on button press in pushbutton3.
function pushbutton3_Callback(hObject, eventdata, handles)
thresh=handles.data3;
[name_file_save,path_save] = uiputfile (...
{'*.bmp','file bitmap (*.bmp)';...
'*.jpg','file jpeg (*.jpg)';
'*.tif','file Tif (*.tif)';
'*.*','All Files (*.*)'},...
'SAVE IMAGE');
if ~isequal (name_file_save,0)
imwrite(thresh,fullfile(path_save,name_file_save));
else
return;
end
% hObject handle to pushbutton3 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% --- Executes on slider movement.
function slider1_Callback(hObject, eventdata, handles)
gray=handles.data2;
value=get(handles.slider1,'value');
thresh=imcomplement(im2bw(gray,value/255));
axes(handles.axes2);
imshow(thresh);
handles.data3=thresh;
guidata(hObject,handles);
set(handles.edit1,'string',value)
% hObject handle to slider1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: get(hObject,'Value') returns position of slider
% get(hObject,'Min') and get(hObject,'Max') to determine range of slider
% --- Executes during object creation, after setting all properties.
function slider1_CreateFcn(hObject, eventdata, handles)
% hObject handle to slider1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: slider controls usually have a light gray background.
if isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor',[.9 .9 .9]);
end
function edit1_Callback(hObject, eventdata, handles)
% hObject handle to edit1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: get(hObject,'String') returns contents of edit1 as text
% str2double(get(hObject,'String')) returns contents of edit1 as a double
% --- Executes during object creation, after setting all properties.
function edit1_CreateFcn(hObject, eventdata, handles)
% hObject handle to edit1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: edit controls usually have a white background on Windows.
% See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
Setelah proses coding selesai baru akan muncul hasil proses RUN-nya, setelah itu kita bisa mencobanya.
contohnya seperti yang ad di bawah ini:
a. Langkah pertama membaca dan menampilkan RGB asli
B. Kedua mengkonveksi citra RGB menjadi citra Grayscal.
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