Clim Change to help slider
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hello everyone do not know how slider can change the value Clim [0 b]. The property inspectr axes I have not found the box for the callback.
function varargout = books(varargin)
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @books_OpeningFcn, ...
'gui_OutputFcn', @books_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
function books_OpeningFcn(hObject, eventdata, handles, varargin)
handles.output = hObject;
guidata(hObject, handles);
function varargout = books_OutputFcn(hObject, eventdata, handles)
varargout{1} = handles.output;
function slider1_Callback(hObject, eventdata, handles)
set(handles.edit1,'String',...
num2str(get(handles.slider1,'Value')));
I = imread('cameraman.tif');
imshow(I)
function slider1_CreateFcn(hObject, eventdata, handles)
if isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor',[.9 .9 .9]);
end
function edit1_Callback(hObject, eventdata, handles)
val=str2double(get(handles.slider1,'Slider'));
if isnumeric(val) & length(val)==1 & ...
val >= get(handles.slider1,'Min') & ...
vas <= get(handles.slider1,'Max')
set(handles.slider1,'Value',val);
else
handles.numberOfErrors = handles.numberOfErrors + 1;
set(handles.edit1,'CLim',...
[handles.errorCLim,num2str(handsles.numberOfErrors)]);
guidata(gcbo, handles);
end
function edit1_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
0 comentarios
Respuesta aceptada
Adam
el 2 de Mzo. de 2012
1 comentario
Walter Roberson
el 2 de Mzo. de 2012
The period after min_val does not appear to have any purpose in the set() line.
Más respuestas (4)
Walter Roberson
el 1 de Mzo. de 2012
Clim needs to be set to a pair of numeric values (an array of 2 elements). When you get() the Value of a slider, you only get one numeric value.
0 comentarios
Adam
el 2 de Mzo. de 2012
3 comentarios
Walter Roberson
el 2 de Mzo. de 2012
CD = get(handles.I,'CData');
max_val = max(CD(:));
This will work whether the CD is 2 dimensional (indexed image) or 3 dimensional (RGB image). Your previous code would fail on RGB images because max(max()) would only reduce 2 of the 3 dimensions.
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