Hi Yunhao,
It is my understanding that you would like to remove the coordinates information which is displayed when we click on any data point in the scatter plot.
This can be done by altering the default DataTipTemplate property of the “scatter” object once it has been plotted. As an example:
x = linspace(0,3*pi,200);
y = cos(x) + rand(1,200);
sca = scatter(x,y) %plot the scatter
dtt = sca.DataTipTemplate; %extract the default data tip template
dtt.DataTipRows(1).Value = ''; %the DataTipRows property stores the information to be displayed when user clicks,i.e. x – value and label
dtt.DataTipRows(1).Label = ''; %replace all these by empty values
dtt.DataTipRows(1).Value = ''; %same thing for the Y – values as well
dtt.DataTipRows(1).Label = '';
This will remove the coordinates information but keep the black dot as highlight when a data point is clicked.
You may notice that the same lines are executed twice. This is because, by default, "dtt.DataTipRows" is a 2 – by – 1 "DataTipTextRow" array containing information about the x and y coordinates of the clicked point. So, when we replace the default values for the x - coordinate with empty character, this array transforms to a 1 – by – 1 "DataTipTextRow array" and only the y – coordinate information is left. The last two lines of the code removes that information as well.
Hope this helps.
