[R-sig-Geo] How to plot map with overlay points

[Endri Raco]

Hi group.
I have coordinates as in file attached.
Trying to print this as points with different colors I follow the commands:


> al1 = get_map(location = c(41.325997,19.822027), zoom = 10, maptype = 'roadmap')> ggmap(al1) + geom_point(data=points, aes(x=lat, y=lon5,colour = type))

The problem is that with zoom = 10 I get very vague idea of points but
if I try to zoom more than 15 nothing is plotted.

Can you please advice any approach or R package to get out of this situation?

Thx
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