Code covered by the BSD License  

Highlights from
Grab 2D points

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from Grab 2D points by Nassim Khaled
This code is used to digitize 2d figures that you find in publications, journals, or simply scanned

xminimum(varargin)
function varargout = xminimum(varargin)
% XMINIMUM M-file for xminimum.fig
%      XMINIMUM, by itself, creates a new XMINIMUM or raises the existing
%      singleton*.
%
%      H = XMINIMUM returns the handle to a new XMINIMUM or the handle to
%      the existing singleton*.
%
%      XMINIMUM('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in XMINIMUM.M with the given input arguments.
%
%      XMINIMUM('Property','Value',...) creates a new XMINIMUM or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before xminimum_OpeningFunction gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to xminimum_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

% Copyright 2002-2003 The MathWorks, Inc.

% Edit the above text to modify the response to help xminimum

% Last Modified by GUIDE v2.5 08-Jun-2007 17:47:51

% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @xminimum_OpeningFcn, ...
                   'gui_OutputFcn',  @xminimum_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
global x_min;

% --- Executes just before xminimum is made visible.
function xminimum_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 xminimum (see VARARGIN)

% Choose default command line output for xminimum
handles.output = hObject;

% Update handles structure
guidata(hObject, handles);

% UIWAIT makes xminimum wait for user response (see UIRESUME)
% uiwait(handles.figure1);


% --- Outputs from this function are returned to the command line.
function varargout = xminimum_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;



function xmin_Callback(hObject, eventdata, handles)
% hObject    handle to xmin (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 xmin as text
%        str2double(get(hObject,'String')) returns contents of xmin as a double


% --- Executes during object creation, after setting all properties.
function xmin_CreateFcn(hObject, eventdata, handles)
% hObject    handle to xmin (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
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end


% --- Executes on button press in Press_when_done.
function Press_when_done_Callback(hObject, eventdata, handles)
% hObject    handle to Press_when_done (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

x_min= str2num(get(handles.xmin,'String'));
save x_min;
close
xmaximum()




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