How to read all mat files in folder and save plot as image
12 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
Med Future
am 2 Jun. 2022
Beantwortet: Image Analyst
am 2 Jun. 2022
Hello everyone, i hope you are doing well. i have the following 100 .mat files in folders.
i want to save the plot of all .mat files as image.
I have implement the following code for single mat file
S = load('C:\Users\DELL\Documents\MATLAB\Examples\R2021b\deeplearning_shared\ModulationClassificationWithDeepLearningExample\Dataset1\frame8PSK001.mat');
plot(real(S.frame))
set(gca,'visible','off')
2 Kommentare
Akzeptierte Antwort
Mathieu NOE
am 2 Jun. 2022
hello
you can try / build your solution based on this example
here I wanted all data being in one single plot so I concatenated all the files data in one output array. You can of course avoid this step and plot individually each file and save it
fileDir = pwd; % this directory
fileNames = dir(fullfile(fileDir,'frame*.mat')); % get list of data files in directory
fileNames_sorted = natsortfiles({fileNames.name}); % sort file names into natural order
% (download FEX : https://fr.mathworks.com/matlabcentral/fileexchange/47434-natural-order-filename-sort)
M= length (fileNames_sorted);
time1 = [];
signal1 = [];
for f = 1:M
S = load(fullfile(fileDir, fileNames_sorted{f}))
% contatenation of all individual files data
time1 = [time1; S.ScopeData1.time];
signal1 = [signal1; S.ScopeData1.signals.values];
end
figure
plot(time1,signal1,'*-')
% save plot
print('MySavedPlot','-dpng')
0 Kommentare
Weitere Antworten (1)
Image Analyst
am 2 Jun. 2022
fileName = fullfile(folder, 'frame8PSK001.png');
exportgraphics(gca, fileName);
0 Kommentare
Siehe auch
Kategorien
Mehr zu Printing and Saving finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!