[Scilab-users] Refresh plot from Slider

[tanthiamhuat]

referring to the below weblink
http://www.equalis.com/blogpost/731635/Scilab-Tips?tag=guibuilder+graphic+user+interface

How do we refresh the plot with the slider? I try to put in the code for the
Plot button, but it does not work.
see code below, thanks.

// This GUI file is generated by guibuilder version 2.2
//////////
f=figure('figure_position',[375,60],'figure_size',[656,604],'auto_resize','on','background',[33],'figure_name','Graphic
window number %d');
//////////
delmenu(f.figure_id,gettext('File'))
delmenu(f.figure_id,gettext('?'))
delmenu(f.figure_id,gettext('Tools'))
toolbar(f.figure_id,'off')
handles.dummy = 0;
handles.sliderAmp=uicontrol(f,'unit','normalized','BackgroundColor',[0.8,0.8,0.8],'Enable','on','FontAngle','normal','FontName','helvetica','FontSize',[12],'FontUnits','points','FontWeight','normal','ForegroundColor',[0,0,0],'HorizontalAlignment','center','ListboxTop',[],'Max',[20],'Min',[0],'Position',[0.0932716,0.8253968,0.23,0.0335714],'Relief','flat','SliderStep',[10,10],'String','1','Style','slider','Value',[10],'VerticalAlignment','middle','Visible','on','Tag','sliderAmp','Callback','sliderAmp_callback(handles)')
handles.sliderFreq=uicontrol(f,'unit','normalized','BackgroundColor',[0.8,0.8,0.8],'Enable','on','FontAngle','normal','FontName','helvetica','FontSize',[12],'FontUnits','points','FontWeight','normal','ForegroundColor',[0,0,0],'HorizontalAlignment','center','ListboxTop',[],'Max',[100],'Min',[0],'Position',[0.0932716,0.7097502,0.23,0.0335714],'Relief','flat','SliderStep',[20,20],'String','1','Style','slider','Value',[50],'VerticalAlignment','middle','Visible','on','Tag','sliderFreq','Callback','sliderFreq_callback(handles)')
handles.Amp=uicontrol(f,'unit','normalized','BackgroundColor',[0.8,0.8,0.8],'Enable','on','FontAngle','normal','FontName','helvetica','FontSize',[12],'FontUnits','points','FontWeight','normal','ForegroundColor',[0,0,0],'HorizontalAlignment','center','ListboxTop',[],'Max',[100],'Min',[0],'Position',[0.1548765,0.7891473,0.0964815,0.0324031],'Relief','flat','SliderStep',[0.01,0.1],'String','Amplitude','Style','text','Value',[20],'VerticalAlignment','middle','Visible','on','Tag','Amp','Callback','sliderAmp_callback(handles)')
handles.Freq=uicontrol(f,'unit','normalized','BackgroundColor',[0.8,0.8,0.8],'Enable','on','FontAngle','normal','FontName','helvetica','FontSize',[12],'FontUnits','points','FontWeight','normal','ForegroundColor',[0,0,0],'HorizontalAlignment','center','ListboxTop',[],'Max',[100],'Min',[0],'Position',[0.1551235,0.6595349,0.1083951,0.0339535],'Relief','flat','SliderStep',[0.01,0.1],'String','Frequency','Style','text','Value',[1],'VerticalAlignment','middle','Visible','on','Tag','Freq','Callback','')
handles.pbPlot=uicontrol(f,'unit','normalized','BackgroundColor',[0.6,0.6,0.6],'Enable','on','FontAngle','normal','FontName','helvetica','FontSize',[12],'FontUnits','points','FontWeight','normal','ForegroundColor',[0,0,0],'HorizontalAlignment','center','ListboxTop',[],'Max',[1],'Min',[0],'Position',[0.0932716,0.4604651,0.0952469,0.0403876],'Relief','raised','SliderStep',[0.01,0.1],'String','Plot','Style','pushbutton','Value',[0],'VerticalAlignment','middle','Visible','on','Tag','pbPlot','Callback','pbPlot_callback(handles)')
handles.Axes1= newaxes();handles.Axes1.margins = [ 0 0 0
0];handles.Axes1.axes_bounds = [0.3503086,0.0503876,0.5895062,0.5949612];
handles.editTime=uicontrol(f,'unit','normalized','BackgroundColor',[0.8,0.8,0.8],'Enable','on','FontAngle','normal','FontName','helvetica','FontSize',[12],'FontUnits','points','FontWeight','normal','ForegroundColor',[0,0,0],'HorizontalAlignment','center','ListboxTop',[],'Max',[1],'Min',[0],'Position',[0.0932716,0.5829279,0.2114198,0.0447471],'Relief','sunken','SliderStep',[0.01,0.1],'String','0:0.01:10','Style','edit','Value',[0],'VerticalAlignment','middle','Visible','on','Tag','editTime','Callback','')


//////////
// Callbacks are defined as below. Please do not delete the comments as it
will be used in coming version
//////////

function sliderAmp_callback(handles)
//Write your callback for  slide1  here
funcprot(0)
amp = get(handles.Amp,'value');
frq = get(handles.Freq,'value');
t= evstr(get(handles.editTime,'String'));
y=amp.*sin(2*%pi*frq.*t);
plot(t,y);
endfunction


function sliderFreq_callback(handles)
//Write your callback for  sliderFreq  here

endfunction


function pbPlot_callback(handles)
//Write your callback for  pbPlot  here
funcprot(0)
amp = get(handles.Amp,'value');
frq = get(handles.Freq,'value');
t= evstr(get(handles.editTime,'String'));
y=amp.*sin(2*%pi*frq.*t);
//if ~isempty(handles.Axes1.children)
//    delete(handles.Axes1.children)
//end
plot(t,y); xgrid();
endfunction






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