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?

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Walter Roberson
Walter Roberson il 27 Giu 2018
Modificato: Walter Roberson il 28 Giu 2018
img = imread('peppers.png');
image(img); %display image
hold on
scatter([23; 118; 209], [74; 88; 133], 'r*'); %overlay some points
hold off
  7 Commenti
Abhilash
Abhilash il 5 Lug 2022
While I am trying to plot a 2D surf() plot on a image, some of the data is not showing up on the map. Can someone help?
It comes up like this...
but the surf plot is supposed to be like this...
Thanks, Abhilash
Walter Roberson
Walter Roberson il 5 Lug 2022
please show your code for creating the underlay and the surf and any xlim ylim or alpha data manipulation

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