%% PRE-PRE-PROCESSING SCRIPT

% Saving the Images in Date Formats to Easily Track Down Your Progress
formatOut = 'mm-dd-yy_HH-MM'; % The time the file is run
date = datestr(now,formatOut)
imname = strcat('Image', date); % Name Format for each frame
foldername = strcat(date,'\'); % Creating the folder

% Modify This Directory to the Folder That You Want to Put the Frames In
newdirectory = 'C:\Users\annaf\Documents\MATLAB\PIVlab-main\PIVlab-main\Examples\testimages\';
folderdir = strcat(newdirectory, foldername);
mkdir(folderdir); % Make the new folder

% Take in a Video and Convert to Images
vid = VideoReader('PIVtestslomomanyparticles_Trim.mp4'); % Name of the video (put in the same folder as prepre.m)
numFrames = vid.NumberOfFrames; % Number of frames
n = numFrames;

% Loop Through Frames and Read EVERY Image
for i = 1:n    
    frames = read(vid,i);  % Read the video to a frame
    imwrite(rgb2gray(frames),[folderdir, imname, int2str(i), '.png']);  % Write to image with name
end

% numvals = 20;
% custommap = ones(numvals,3);
% for i=1:numvals
%     if i< numvals*.6
%     custommap(i,:)=custommap(i,:)*(i-1)/(numvals*5);
%     else
%         custommap(i,:)=custommap(i,:)*1;
%     end
%     
% end
% % Save them in files

%     newim = rgb2gray(frames);
%     [newnew, custommap] = rgb2ind(frames, custommap);
%     
%     if i==1
%         imwrite(I,custommap,[folderdir, imname, int2str(i), '.png']);
%     end

% loop thru all images and make them black and white
% make a new folder in the examples file with a timestamp?

%imwrite(newim,custommap,[folderdir, imname, int2str(i), '.png']);
%movefile imname* folderdir