How can i set dynamic axis limits in GUI?

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BuzzLightyear
BuzzLightyear 2015-11-24
评论： BuzzLightyear 2015-11-24
I want to create a map where I can set the upper axes limits with an editfield oder a slider.
function edit_x_Callback(hObject, eventdata, handles)
wert_x = str2double(get(handles.edit_x,'String'));
if (wert_x < 100) wert_x = 100;
elseif (wert_x > 10000) wert_x = 10000;
end
set(handles.edit_x,'String',wert_x);
set(handles.slider_x,'Value',wert_x);
set(handles.map,'Xlim','[0 wert_x]');
when editing the edit_x i get following errors:
Error using matlab.graphics.axis.Axes/set
While setting the 'XLim' property of 'Axes':
Value must be a 1x2 vector of numeric type in which the second element is larger than the first and may be
Inf
Error in uebung_slider>edit_x_Callback (line 122)
set(handles.map,'Xlim','[0 wert_x]');
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in uebung_slider (line 42)
gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)uebung_slider('edit_x_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback
How can I fix the problem?

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采纳的回答

Jan
Jan 2015-11-24
Without quotes around the limits:
set(handles.map, 'Xlim', [0 wert_x]);

更多回答（1 个）

TastyPastry
TastyPastry 2015-11-24
Make sure wert_x is greater than 0, get rid of the single quotes around the vector. The 'xlim' property of an axes is a numeric type, not a char type.

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