23
Nov
13

Technology & Mapping: Awesome Imagery!

Portland Map Age HomesThis is a cool site that is somewhat interactive. It shows various cities around the world. I include my home town, Portland, Oregon (USA). The top map shows homes older than 1880 and up to present construction. The next pic is my neighborhood. Using this interactive site requires you know something about your city overlay as the roads are not labeled. 

Home Area PortlandI came by this at Map Lab and then to Lab Rat Revenge

“When Justin Palmer stumbled across a dataset that included the year nearly every building in the Portland metro area was built, he was curious how old the buildings on his block are. Instead of just searching the data for his neighbors’ addresses, he made the beautiful map above.”

“He posted the map on his website, and it soon caught the eye of other mapmakers. Just a few days later, Thomas Rhiel published a similar map of Brooklyn, spurred by New York City’s release of a huge dataset known as PLUTO. Pretty soon, more maps began popping up. Soon there was a map of all of New York City, one of Reykjavik, Iceland, and one of Ljubljana, Slovenia, each with its own amazing colors, patterns and stories.”

Learn Along With Us How to Make a Map of Building Ages

“These maps make more than just pretty pictures. Palmer learned from his map that Portland’s oldest building identifiable by name was built in 1851. Only 942 structures are left from the 1890s while 75,434 built in the 1990s are still standing. Palmer graphed the steep and steady decline of new buildings since 2005.”

It is a little confusing to negotiate at first but interesting to explore. Give it a try…especially you well traveled folks.

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