Video seek for Stackedplot

Hi,

Is there MATLAB functional which helps us to seek through the stackedplot graph.

stackedplot(data)
set(gcf, 'Position', get(0,'Screensize')); % Maximize figure
set(findall(gcf,'-property','FontSize'),'FontSize',10); % Adjust font size
fig_name = fullfile(parent_folder, sprintf('%s_Figure.jpg', folder_name));
saveas(gcf, fig_name, 'jpeg');
% Create a VideoWriter object for the current subfolder
video_name = fullfile(parent_folder, [folder_name '_video.mp4']);
v = VideoWriter(video_name, 'MPEG-4');
open(v);

% Capture the frame and add it to the video
frame = getframe(gcf);
writeVideo(v, frame);

% Close the VideoWriter object
close(v);

close(gcf); % Close the figure

running this, the code gets out of the function with out stating an error

Error using parentdirectory
Expected input to be a non-missing string scalar or character vector.

Error in untitled11 (line 9)
parentdirectory(parent_folder_path);

Thanks,

Bhargav

Answer 1

[Shubham]

Hey Bhargav,

The error message that you are encountering suggests that the input requires to be a string. You may find the following MATLAB Answer relevant to your case:

https://www.mathworks.com/matlabcentral/answers/454979-error-using-save-must-be-a-string-scalar-or-character-vector-but-it-is-a-string

Also, for saving a file in parent directory, you can refer to the following MATLAB Answer: https://www.mathworks.com/matlabcentral/answers/175881-save-folder-one-above-current-directory

For creating a video from stackedplot, you can refer to your previous thread: https://www.mathworks.com/matlabcentral/answers/2094016-video-for-stacked-plot?s_tid=prof_contriblnk

I have modified your code snippet as follows:

% Data Generation
numDataPoints = 1500;
t = linspace(0, 10*pi, numDataPoints); % Time vector
x = 1:numDataPoints; % for xticks only

% Generating data for plotting stackedplot
data = [sin(t)' sin(2*t)' sin(0.5*t)' x']; 
data = array2table(data)

data = 1500×4 table
     data1       data2       data3      data4
    ________    ________    ________    _____

           0           0           0      1  
    0.020956    0.041904    0.010479      2  
    0.041904    0.083734    0.020956      3  
    0.062832     0.12542    0.031432      4  
    0.083734     0.16688    0.041904      5  
      0.1046     0.20805    0.052371      6  
     0.12542     0.24885    0.062832      7  
     0.14618     0.28922    0.073287      8  
     0.16688     0.32908    0.083734      9  
      0.1875     0.36836    0.094171     10  
     0.20805     0.40699      0.1046     11  
      0.2285     0.44491     0.11501     12  
     0.24885     0.48205     0.12542     13  
     0.26909     0.51834     0.13581     14  
     0.28922     0.55372     0.14618     15  
     0.30922     0.58812     0.15654     16  

stackedplot(data,'XVariable','data4')
set(gcf, 'Position', get(0,'Screensize')); % Maximize figure
set(findall(gcf,'-property','FontSize'),'FontSize',10); % Adjust font size

% Use the current working directory as the parent folder
parent_folder = cd; 
parent_folder = fullfile(parent_folder, '..');
folder_name = 'stacked_plot'; % Example folder name

% Construct the full path to the folder where the figure and video will be saved
full_path = fullfile(parent_folder, folder_name);

% Check if the folder exists, if not, create it
if ~exist(full_path, 'dir')
    mkdir(full_path);
end

% Define the full file path for the figure and video
fig_name = fullfile(full_path, sprintf('%s_Figure.jpg', folder_name));
video_name = fullfile(full_path, [folder_name '_video.mp4']);

% Save the figure
saveas(gcf, fig_name, 'jpeg');

% Create a VideoWriter object for the video
v = VideoWriter(video_name, 'MPEG-4');
open(v);

% Capture the frame and add it to the video
frame = getframe(gcf);
writeVideo(v, frame);

% Close the VideoWriter object
close(v);
close(gcf); % Close the figure

You may also share your complete code.

I hope this helps!