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David Rumsey Map Collection adds 1,634 new maps

From Rumsey's site:http://networkedblogs.com/fBgu5

1,634 new maps and images have been added to the David Rumsey Map Collection,bringing the online collection to over 26,000 maps and images. Included in this addition are five issues of Colton's General Atlas of the World dated from 1865 to 1886. Also two editions of Schonberg's Standard Atlas [...]

Race and ethnicity mapped by block

Census tract data and maps,while better than nothing,can often deceive because the size of the tract is greatly influenced by population size,not area. It is not uncommon that natural and constructed barriers —mountains or freeways —influence the movements and spatial demographics of a tract. Ah,but BLOCK data,now there [...]

Taking control of Google Maps

Patrick Cain,who correctly describes himself as “a journalist who makes maps for the Web,”has posted a couple neat sets of tips to his blog. Basically,they suggest ways to tweak some of Google's code to improve presentation. Check out his blog tips at

http://www.patrickcain.ca/?p=230 http://www.patrickcain.ca/ Simplifying map display

I’ve never been a [...]

WSJ goes the distance with the Google Maps API

A good piece on the googlegeodevelopers.blogspot.com on how the Wall Street Journal crew created a fine set of maps illustrating various major-city marathons. Go here for complete piece.

WSJ goes the distance with the Google Maps API

Sunday,August 08,2010

The following guest [...]

Use "BatchGeo"to quickly generate Google Maps with multiple locations

If you've acquired a spreadsheet file with a bunch of addresses,you can quickly map them using BatchGeo. We haven't tried it yet with a huge data set,but it works nicely with a couple hundred addresses. Check out BatchGeo at http://batchgeo.com/

“Have locations in a spreadsheet? Well try this free and unique [...]

San Francisco crime mapped as elevation

Once again,FlowingData points us to an example for first-rate mapping.

San Francisco crime mapped as elevation By Nathan Yau –Jun 7,2010 –Mapping –Post on Twitter

Doug McCune maps San Francisco crime in 2009 as if it were elevation. Peaks and valleys emerge [...]

GIS and Twitter mash-up

 From GISUser at http://blog.gisuser.com/?p=6962

Social Media and Geo-Services – A Fabulous ArcGIS Explorer,Twitter mashup

Modeling real-time situations… This video goes back a few months to the Haiti disaster response,however,its a great example and reminder of how geo technology (ArcGIS Explorer in this case) and social media (Twitter) can be combined [...]

Trafficing in Maps

Nathan at FlowingData.com posts a nice collection of traffic mapping examples.

Explorations of real-world traffic

Posted by Nathan on Apr 15,2010 to Mapping / 8 comments

Explorations of real-world traffic

Traffic visualizations,mostly in the form of geographic maps,have been popular lately. Governments and organizations have been releasing lots of GPS data,and as a result,we get to see some impressive animations and explore some slick interactives.

We don't often get to see how cars,trains,subways,airplanes,etc move in physical space,because,well,we're usually in them,so it's always interesting to see the big picture. The activity …[...]

Great —and helpful —interaction between data and newspapers

 We have long been critical of newspapers'failure to marry data with real-time readers'interests. Interests like finding a cab in New York City. It's great to see the gang from the NYTimes doing some innovative mapping to truly present added-value to their product.

Tracking Taxi Flow Across the City

[...]

Open Source Maps Are Helping the World Bank Save Lives in Haiti

From FastCompany:

Open Source Maps Are Helping the World Bank Save Lives in Haiti BY ANYA KAMENETZFri Feb 19,2010


maps
An aid worker from the European Commission holds a PDF printout from OpenStreetMaps.

The humanitarian relief effort underway in Haiti is proving the true potential of open source map building. Don't take my word for it,follow the Tweets and blogs of my friend Schuyler Erle. He's on the ground in Port-au-Prince along with Tom Buckley,a developer of mapmaking program GeoCommons Maker. The pair are advising the World Bank on …[...]