Trying to add a range slider that control the range from the given years in app.year but everything I had tried doesn't work

function LoadDataButtonPushed(app, event)

SJBS= 'SolarJobsbyState.csv';

app.JBS = readtable(SJBS);

app.year= app.JBS{52, 2:7};

app.stateDropDownLabel.Visible = 'on';

app.stateDropDown.Visible = 'on';

app.YearsSliderLabel.Visible = 'on';

app.YearsSlider.Visible = 'on';

app.YearsSlider.Limits = [min(app.year), max(app.year)];

app.YearsSlider.Value = [min(app.year), max(app.year)];

app.YearsSlider.MajorTicks = app.year;

app.LoadDataButton.Visible ='off';

end

% Value changed function: stateDropDown

function stateDropDownValueChanged(app, event)

State = app.stateDropDown.Value;

switch State

case 'Alabama'

hold(app.UIAxes, "off")

plot(app.UIAxes,app.year,app.JBS{1,2:7},'ob')

%ployfit- provies coefficients for the regression

%equation

plot(app.UIAxes,app.year,app.JBS{1,2:7},'-o')

ALAcoef= polyfit(app.year,app.JBS{1,2:7},1);

% IPDcoef= [m,b]

m= ALAcoef(1);

b= ALAcoef(2);

%function handle

ALAFUNC= @(x) m*x+b;

%regression equation

hold(app.UIAxes,"on")

fplot(app.UIAxes,ALAFUNC,[min(app.year),max(app.year)],'-r')

function YearsSliderValueChanged(app, event)

selectedyr = app.YearsSlider.Value;

end

%i want to be able to change the range of app.year using the range slider but everything i have tried doing work, please set me on the right path

Answer 1

[Divyajyoti Nayak]

Hi @Gabriel

I assume you just want to change the limits of the x axis using the slider and are not able to do so. The "XLim" property of the "UIAxes" object can be used for this. Here's the documentation to help you out:

https://www.mathworks.com/help/matlab/ref/matlab.ui.control.uiaxes-properties.html?searchHighlight=UIAxes&s_tid=srchtitle_support_results_2_UIAxes#bu6ewif_sep_shared-XLim

Here's how it can be implemented:

function YearsSliderValueChanged(app, event)
    selectedyr = app.YearsSlider.Value; 
    %Need integers from slider, hence change slider step to 1
    app.UIAxes.XLim = selectedyr;
    app.UIAxes.XTick = selectedyr(1):1:selectedyr(2);
end

Results:

Hope this helps!