overlaying specific points on an imported image

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I use the imread command to import a .jpg image which has some data shown (suppose it is a part of a global map with locations of fires shown). Now I have to overlay another data set which are based on longitude and latitudes (suppose a scatter plot). How can do that?

Accepted Answer

Walter Roberson
Walter Roberson on 27 Jun 2018
Edited: Walter Roberson on 28 Jun 2018
img = imread('peppers.png');
image(img); %display image
hold on
scatter([23; 118; 209], [74; 88; 133], 'r*'); %overlay some points
hold off
Walter Roberson
Walter Roberson on 5 Jul 2022
please show your code for creating the underlay and the surf and any xlim ylim or alpha data manipulation

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