how to plot multiple geoscatter plots together

Question

Jing Ci Neo 2020-5-23

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编辑： Caglar Temiz 2021-6-6

Hello, I'm trying to plot two sets of scatter points with geoscatter, but the second set just overrides the first. I've tried using geoaxes, but it doesn't work. Does anyone know how to solve this problem?

% Plot map
figure('color','w')
geoscatter(stlatNew,stlonNew,20,'^')
geoaxes('NextPlot','add');
geoscatter(evlat,evlon,20,'o')

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Answer 1

Payas Bahade 2020-5-26

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Hi Jing,

You can use ‘hold on’ after plotting the initial sets of scatter points with ‘geoscatter’ to add next set of points to existing plotted points. Below mentioned code illustrates use of ‘hold on’ :

%Set up latitude and longitude data.
lon = (-170:10:170);
lat1 = 50 * cosd(3*lon);
lat2 = 20 * cosd(3*lon);
%Define data that controls the area of each marker.
A = 101 + 100*(sind(2*lon));
 
%Define data to control the color of each marker.
C = cosd(4*lon);
%Plotting first set of points
geoscatter(lat1,lon,A,C,'^')
%Using hold to retain plotted points
hold on
%Plotting second set of points
geoscatter(lat2,lon,A,C,'o')

Kindly refer this documentation link to know more details on using ‘hold’ command.

Hope this helps!

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Jing Ci Neo 2020-5-27

Ah okay, for some reason putting the hold on before the first geoscatter generates an error so I thought 'hold on' doesn't work for geoscatter. Thanks!

Caglar Temiz 2021-6-6