plotting coordinates on a simple map

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Cristian Martin
Cristian Martin 2022-6-8
评论： Cristian Martin 2022-6-8
Hy,
I use R2015a, and I want to plot lat and lon anywhere on a map, but :
Undefined function or variable 'geoplot'.
Error in Untitled (line 7)
geoplot(lat,lon);
how else can i do in a simple way?
Thanks!

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Cris LaPierre
Cris LaPierre 2022-6-8
The geoplot function was introduced in R2018b (see here). You will need to update your version to at least that version to be able to use geoplot.
A separate version was introduced to the Mapping Toolbox in R2022a (see here) If that is what you want to use, you must be on R2022a and have the Mapping Toolbox installed.
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Cris LaPierre
Cris LaPierre 2022-6-8
Ran in:
The shape and lmites of the map can be set by you. You could adjust the following code:
lat = 9.0077;
lon = 26.0784;
axesm('MapProjection','miller','MapLatLimit',[-30 30],'MapLonLimit',[-10 45])
geoshow('landareas.shp','FaceColor',[0.5 0.7 0.5])
plotm(lat, lon,'o');
If you want country borders, that may be a bit trickier if you are lmited to R2015a. I suggest looking at this Answer from 2014
https://www.mathworks.com/matlabcentral/answers/137180-plot-world-map-with-nation-borders-and-defining-facecolor-per-country

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