Some of you have asked about visualizing locations on a map. It is fairly easy using the map builder in roassal 2. Here is a small example:

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| map |
map := RTMapBuilder new.

map countries: #('UnitedStates' 'Canada' 'Mexico').

map cities addCityNamed: 'New York City'  location: 40.7127 @ -74.0059.
map cities addCityNamed: 'Ottawa'  location: 45.420833 @ -75.69.
map cities addCityNamed: 'Mexico City'  location: 19.433333 @ -99.133333.

map cities: #('New York City' 'Ottawa' 'Mexico City').

map render.
map view
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You will have something like: