Archive for the ‘Map Commentary’ Category

Update from Google Map on my Problem

Today I received notification that the problem I reported on Google Maps was corrected.  You can now route through White’s Ferry between Leesburg and Martinsburg, MD.  Below is the response I received:
Google Maps has been updated to correct the problem you reported. You can see the update here, and if you still see a problem, [...]

November 30, 2009   Posted in: Map Commentary  3 Comments

Routing with the new Google Maps Data

I spent some time look around Google Maps since they stopped using Teleatlas in the United States this week.  Essentially I poked around looking for errors that are usually in the street vendor data.  Mostly these are minor errors such as a single line segment misspelled.   The problems usually appear to have originated with [...]

October 8, 2009  Tags: , ,   Posted in: Map Commentary, OSM, routing  5 Comments

Gecoding Fact or Fiction?

This week the L.A. Times reported a geocoding glitch that displayed crimes that could not be mapped defaulting close to city hall. To GIS industry folks something like this happening may not be a surprise.  According to Wikipedia “Geocoding is the process of finding associated geographic coordinates (often expressed as latitude and longitude) from other [...]

April 7, 2009   Posted in: GIS Programming, Map Commentary  Comments Closed

Mapping of the Recovery

While visiting Recovery.gov I noticed there was a thematic map displaying Estimated Job Creation. The Estimated Job Effect map looks like a fairly innocuous map. Until I point out that the U.S. Government has outsourced this map to India. I find it somewhat ironic that the U.S. government has outsourced the display of estimated job [...]

February 17, 2009   Posted in: Map Commentary  Comments Closed