how can I activate a data cursor on a matlab visualisation app

2019 9 5
2 个回答
更新时间：2020 10 8
17 次查看（30 天）

0 个投票

I did write matlab visualisation app what works perfectly.
Now I would like to use a Datacursor as shown in the standard Channel fields display.
what code do I have to add to my code of my visualisation app?

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回答（2 个）

0 个投票

‘datacursormode’ can be used to enable or disable data cursor mode.
For further information refer to the following link
https://www.mathworks.com/help/matlab/ref/datacursormode.html

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Hermann Mettler
Hermann Mettler 2019-9-23
sorry - it does not help
in the chart are more than one curve and may be therefor the datacursor does not work.
What can be done?
The code:
%% Visualize Data %%
yyaxis left;
plot(time1, data1,'o-', time, dewPoint,'+-','LineWidth', 1.4)
datacursormode on
% Click mouse on surface to display data cursor
yl = ylim;
ylim([yl(1)-0.5 yl(2)+0.5]);
ylabel('Temperatures [°C]');
yyaxis right
plot(time2, data2,'o-','Color','g','LineWidth', 1.4);
yl = ylim;
ylim([yl(1)-1 yl(2)+1]);
ylabel('rel. Humidity [%]');
xlabel('Date');
title('rel.Humidity + Temp. / DewPoint');
legend({'Temp.Tu','DewPoint','Humidity'},'Location', 'best');
grid on

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Melek Demir
Melek Demir 2020-10-8

0 个投票

%% Visualize Data %%
yyaxis left;
plot(time1, data1,'o-', time, dewPoint,'+-','LineWidth', 1.4)
datacursormode on
% Click mouse on surface to display data cursor
yl = ylim;
ylim([yl(1)-0.5 yl(2)+0.5]);
ylabel('Temperatures [°C]');
yyaxis right
plot(time2, data2,'o-','Color','g','LineWidth', 1.4);
yl = ylim;
ylim([yl(1)-1 yl(2)+1]);
ylabel('rel. Humidity [%]');
xlabel('Date');
title('rel.Humidity + Temp. / DewPoint');
legend({'Temp.Tu','DewPoint','Humidity'},'Location', 'best');
grid on

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