draw points using mouse
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Hi,
I want draw points using mouse and then make matlab plot using a specified marker please
Thanks to you
2 Comments
Geoff Hayes
on 5 May 2014
Seldeeno - please provide some more details and/or steps on what you are trying to accomplish. Are you clicking on something (an image perhaps) and then want MATLAB to overlay a marker of some kind?
Answers (1)
Geoff Hayes
on 5 May 2014
You can try this: create a script called myplotter.m. Within this script, add the following code:
% close any open figures
close all;
% launch a new figure and click the mouse as many time as you want within figure
disp('Click the mouse wherever in the figure; press ENTER when finished.');
mousePointCoords = ginput;
% plot the mouse point coordinates on the figure
plot(mousePointCoords(:,1), mousePointCoords(:,2),'b.','MarkerSize',8);
For details on ginput, type help ginput. The above should be sufficient in getting you started on your problem.
5 Comments
Chance Emanuels
on 30 Dec 2021
@Jon How would I use the mousePointCoords to calculate the area within the points?
Jon
on 4 Jan 2022
Hi Chance,
It has been awhile since I've worked on this. I'd have to review it myself to see what it is all about. Let me know if you are still looking for an answer on this. If it is really a new question, rather than just an extenstion of what's been posted, maybe it would be good to post it as a new question, to get other's input too.
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