![]() ![]() ![]() This line will give you access to geonames, which is a (listof point-of-interest). Start a source file for your lab with the line (require geo) If your installation has worked correctly, you should be able to do this in DrRacket’s Interactions window: > (require geo) Unfortunately it is not possible to install new teachpacks on the teachpack menu. Go the Racket menu, choose the “Limit Memory…” option, and set the memory limit to 512MB. Probably the last one is raco setup: - post-installing collections -Īs soon as the Close button lights up (black text instead of gray text), press it. You should get a separate window that has a bunch of raco setup notifications. Before you can use the names, you’ll need to install this package.įrom the File menu choose Install Package To make the lab more manageable I’ve installed about 10,000 of them in a Racket package. The USGS names database has over 2 million names. Over the next two lab periods, you will have a chance to build an interactive graphics application that finds the hospital closest to the mouse. COMP 50 Lab: The Nearest Hospital November 6–7, 2013
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