create_gif_surf.m

title1 = GIFNAME;
FIGDIR = BASIC.RESDIR;
GIFNAME = [FIGDIR, GIFNAME,'.gif'];

% Set colormap boundaries
hmax = max(max(max(FIELD)));
hmin = min(min(min(FIELD)));

flag = 0;
if hmax == hmin 
    disp('Warning : h = hmin = hmax = const')
else
% Setup figure frame
fig  = figure('Color','white','Position', [100, 100, 400, 400]);
    surf(X,Y,FIELD(:,:,1)); % to set up
    colormap gray
    axis tight manual % this ensures that getframe() returns a consistent size
    if INTERP
        shading interp;
    end
    in      = 1;
    nbytes = fprintf(2,'frame %d/%d',in,numel(FIELD(1,1,:)));
    for n = FRAMES % loop over selected frames
        scale = max(max(abs(FIELD(:,:,n))));
        pclr = surf(X,Y,FIELD(:,:,n)/scale); % frame plot
        if INTERP
            shading interp; 
        end
        set(pclr, 'edgecolor','none'); axis square;
%         caxis([min(min(FIELD(:,:,n))),max(max(FIELD(:,:,n)))]);
        xlabel(XNAME); ylabel(YNAME); %colorbar;
        title([FIELDNAME,', $t \approx$', sprintf('%.3d',ceil(T(n)))...
            ,', scaling = ',sprintf('%.1e',scale)]);
        drawnow 
        % Capture the plot as an image 
        frame = getframe(fig); 
        im = frame2im(frame); 
        [imind,cm] = rgb2ind(im,32); 
        % Write to the GIF File 
        if in == 1 
          imwrite(imind,cm,GIFNAME,'gif', 'Loopcount',inf); 
        else 
          imwrite(imind,cm,GIFNAME,'gif','WriteMode','append', 'DelayTime',DELAY); 
        end 
        % terminal info
        while nbytes > 0
          fprintf('\b')
          nbytes = nbytes - 1;
        end
        nbytes = fprintf(2,'frame %d/%d',n,numel(FIELD(1,1,:)));
        in = in + 1;
    end
    disp(' ')
    disp(['Gif saved @ : ',GIFNAME])
end