Error: "Adding Cartesian plot to geoaxes is not supported."
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Hi,
I am trying to plot a simple circle over geoscatter map data, however when I try to overlay anything with the geoscatter plot, the following error shows:
"Adding Cartesian plot to geoaxes is not supported."
The code below shows two locations. I would like to overlay a circle of radius d and centre at lat(1), lon(1), but I can't seem to figure out how to achieve this. Is this possible using geoscatter?
lat = [53.372056 53.3771]; % latitudes
lon = [-6.614672 -6.58749]; % longitudes
d = 1.8884e3; % distance between two locations
geoscatter(lat, lon); % plots two locations on map
I am open to any other methods of implementing this if it is not possible using geoscatter. The main requirement here is that the geographic street map data is visible.
Thanks in advance!
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Walter Roberson
2021-4-25
0 个投票
Use plotm() instead of plot() or viscircles()
4 个评论
Robyn Seery
2021-4-25
Walter Roberson
2021-4-25
ah, I had not realized that geo axes were now distinct. How about https://www.mathworks.com/help/matlab/ref/geobubble.html
I see geoplot() but that plots in geo coordinates and there could be noticeable differences at large scales or near the poles
Robyn Seery
2021-4-25
Perhaps
lat = [53.372056 53.3771]; % latitudes
lon = [-6.614672 -6.58749]; % longitudes
d = 1.8884e3; % distance between two locations
geoscatter(lat, lon); % plots two locations on map
hold on
geoplot(lat(1), lon(1), 'o', 'markersize', 30)
markersize is in points, rather than in geographic units.
You can also construct circles in the usual ways,
r = 20;
[x,y] = pol2cart(linspace(0,2*pi,30), r);
geoplot(lat(2)+x, lon(2)+y, 'k-')
Looks like the units is degrees! Well, this does happen to give a good illustration of the problem I mentioned before, that geoplot is in geographic coordinates, so you have to define whether you want a geographic circle or a visual circle.
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