Compiled version fails when highpass is called "Error using toolboxdir. Could not locate the base directory for dsp/filterdesign'.

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Alan 2024-9-14

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编辑： Alan 2024-9-15

I have created an App in App Designer which works fine until I compile. Everything still works as expected, except the functionality that uses the 'highpass' function from the Signal Processing toolbox. The log file states:

"Error using toolboxdir (line 54)

Could not locate the base directory for dsp/filterdesign.

I have checked that the toolbox is installed (I even reinstalled it again) and checked the path to the toolbox exists using toolboxdir('signal').

I created a small test app that recreates the problem.The test app simply creates 100 random numbers, plots them and then applies the highpass filter on the click of a button. Again, the application fails once it is compiled.

I read that the Matlab compiler should detect and automatically include any toolbox requirements. I even tried forcing this detection by adding some non-consequential calls to highpass.m . The code for the test application is below.

Can anybody suggest what I am doing wrong?

classdef testHighPass < matlab.apps.AppBase
    % Properties that correspond to app components
    properties (Access = public)
        UIFigure            matlab.ui.Figure
        FilterButton        matlab.ui.control.Button
        GenerateDataButton  matlab.ui.control.Button
        plotAxes            matlab.ui.control.UIAxes
    end
    
    properties (Access = private)
        data % Description
        x
    end
    
    % Callbacks that handle component events
    methods (Access = private)
        % Button pushed function: GenerateDataButton
        function GenerateDataButtonPushed(app, event)
            app.data = rand(1, 100);
            app.x = 1:100;
            hold(app.plotAxes, 'off');
            plot(app.plotAxes, app.x, app.data); 
            hold(app.plotAxes,'on')
        end
        % Button pushed function: FilterButton
        function FilterButtonPushed(app, event)
            filt_data = highpass(app.data, 0.8);
            plot(app.plotAxes, app.x, filt_data, 'r');
        end
    end
    % Component initialization
    methods (Access = private)
        % Create UIFigure and components
        function createComponents(app)
            % Create UIFigure and hide until all components are created
            app.UIFigure = uifigure('Visible', 'off');
            app.UIFigure.Position = [100 100 640 480];
            app.UIFigure.Name = 'MATLAB App';
            % Create plotAxes
            app.plotAxes = uiaxes(app.UIFigure);
            title(app.plotAxes, 'Data')
            xlabel(app.plotAxes, 'X')
            ylabel(app.plotAxes, 'Y')
            zlabel(app.plotAxes, 'Z')
            app.plotAxes.Position = [101 161 446 280];
            % Create GenerateDataButton
            app.GenerateDataButton = uibutton(app.UIFigure, 'push');
            app.GenerateDataButton.ButtonPushedFcn = createCallbackFcn(app, @GenerateDataButtonPushed, true);
            app.GenerateDataButton.Position = [74 95 122 37];
            app.GenerateDataButton.Text = 'Generate Data';
            % Create FilterButton
            app.FilterButton = uibutton(app.UIFigure, 'push');
            app.FilterButton.ButtonPushedFcn = createCallbackFcn(app, @FilterButtonPushed, true);
            app.FilterButton.Position = [399 96 130 35];
            app.FilterButton.Text = 'Filter';
            % Show the figure after all components are created
            app.UIFigure.Visible = 'on';
        end
    end
    % App creation and deletion
    methods (Access = public)
        % Construct app
        function app = testHighPass
            % Create UIFigure and components
            createComponents(app)
            % Register the app with App Designer
            registerApp(app, app.UIFigure)
            if nargout == 0
                clear app
            end
        end
        % Code that executes before app deletion
        function delete(app)
            % Delete UIFigure when app is deleted
            delete(app.UIFigure)
        end
    end
end

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Alan 2024-9-15

编辑：Alan 2024-9-15

在 MATLAB Online 中打开

Hi.

I tried adding the path during the compiler setup with the line

mcc -a 'C:\Program Files\MATLAB\R2024a\toolbox\signal\signal\highpass.m'

in the compiler settings. But this generated an invalid .mex file error during compilation.

I have now tried the same but only with the path I receive when I run

toolboxdir('signal')

i.e. The whole signal processing toolbox.

mcc -a ''C:\Program Files\MATLAB\R2024a\toolbox\signal'

It failed during packaging with a large error log. The errors are all the same. An example of the lines that include the word 'highpass' are:

Warning: Excluded "C:/Program Files/MATLAB/R2024a/toolbox/signal/signal/+signal/+task/+internal/+designfilt/+responsemodels/DifferentiatorFIRModel.p"; reason: The file or function is non-deployable and has been excluded from packaging. Either remove the file or function from your code, or use the MATLAB function "isdeployed" to ensure the function is not invoked in the deployed component. Then you can suppress this warning by using the %#exclude pragma.

Is the problem that the highpass.m function I wish to deploy relied on a .p function which is not deployable?

Did you compile the above code example and test if the filter button works? If so, this will prove that the highpass.m function is deployable.

EDIT: The resulting exe throws a runtime compatability error. I'll investigate this.

Gojo 2024-9-15

"Did you compile the above code example and test if the filter button works?" : Yes, I was able to test the compiled app as well.

Alan 2024-9-15

编辑：Alan 2024-9-15

Thank you Shubham for your help and taking the time to compile and test the code. Much appreciated.

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Answer 1

Alan 2024-9-15

2
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2152860-compiled-version-fails-when-highpass-is-called-error-using-toolboxdir-could-not-locate-the-base-di#answer_1516795

Solved. I uninstalled Matlab and the runtime and reinstalled Matlab and the toolboxes. I didn't install the optional compiler for Excel add-ins. No idea if that has any effect. I set the compiler to download the runtime from the Web.

After this, I ran the compiler as before and now everything works.

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Compiled version fails when highpass is called "Error using toolboxdir. Could not locate the base directory for dsp/filterdesign'.

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Compiled version fails when highpass is called "Error using toolboxdir. Could not locate the base directory for dsp/filterdesign'.

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