On 9/10/2011 4:01 AM, Simon Poole wrote:
With the same list of 476 mappers I ran a modified version of my V1
script that gave the following numbers for objects created by "PD" mappers:

Nodes:            1'195'041  (0.11%)
Highways:           92'374   (0.22%)
Other ways:        74'139   (0.13%)
Routes:                     255   (0.20%)
Other rel:              3'740   (0.42%)

These percentages are proportional to the "OSM World". When they roll back the contributions of a local "PD" mapper, the face of much my US state roads will revert back to near TIGER, as well as removing all of his personal surveys and local knowledge.

           Nodes Ways Relations
 Created: 37898  5671  5
 Touched: 100187 19721 154
 Last mod: 59198 8864  0

These percentages will be quite large in his home region. I'm not going to waste my time trying to recreate his work except for some roads near me, I'll just let the map degrade.

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