Plot with hidden information!!
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I have a question about plotting my data in MATLAB. I am trying to plot a 2-D figure, and I can do that!! I want to add information in each point in my figure, and I know that I can do that by TEXT!! But my problem is that I want this information in all the point be hidden and when I am clicking on each point, the information related to that point be shown.Like when you use Root-locus, and click in any point it shows some information related to the clicked point.
would you please let me know if you can help me with this issue?
Yours Sincerely
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Jan
le 8 Fév 2018
Modifié(e) : Jan
le 8 Fév 2018
This creates a point and an invisible text. If you click on the point, the ButtonDownFcn is triggered and the visibility is toggled:
function main
axes;
Text1H = text(0.5, 0.5, 'Center', 'Visible', 'off');
plot(0.5, 0.5, 'ro', 'ButtonDownFcn', {@toggleText, Text1H});
Text2H = text(0.25, 0.25, 'Down Left', 'Visible', 'off');
plot(0.25, 0.25, 'bo', 'ButtonDownFcn', {@toggleText, Text2H});
end
function toggleText(LineH, EventData, TextH)
vis = get(TextH, 'Visible');
if strcmp(vis, 'on')
set(TextH, 'Visible', 'off');
else
set(TextH, 'Visible', 'on');
end
end
Steven Lord
le 8 Fév 2018
It sounds like you want a data cursor. You can customize the function that generates the text to be displayed in the data cursor to include exactly the information you want to show in a specific format. Search for "Customizing Data Cursor Text" on the page to which I linked for more information.
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