CODEWITHSUNDEEP
matlabdrawnow
jdoubleu
jdoubleu

Reputation: 73

drawnow performance/plot speed

I am life plotting a dataset for creating hysteresis loops. I agreed with the plot speed before but since I added the scatter it got really slow.

The scatter adds a marker to the current plotted datapoint so that if the plot overwrites you can still pursuite the animated line.

Here is my code:

hAL = animatedline;  % line handle
hAL.LineStyle='-';
hAL.Color='blue';
% defaults for the marker
hAx=gca;      % get the axis handle
sz=10;        % size of marker
clr='b';      % color
hS=scatter(hAx,nan,nan,sz,clr);  % initial point won't show but creates handle
x = mmatrix(:,2);
y = mmatrix(:,1);
for k = 1:length(x)
  addpoints(hAL,x(k),y(k));
  set(hS,'xdata',x(k),'ydata',y(k))  % update the marker position
  drawnow
end

Do you know of an option to regulate the plot speed? I tried drawnow limitrate but it's to fast.

Regards jw

Upvotes: 0

Views: 1507

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