Maptitude - http://research.umbc.edu/~roswell/maptitude.html

Cory,
 
 > Thanks for the info!  How long did it take your team of six to complete the 45,000 parcels?   
 
Most of a summer.
 
Did you have section corners or some coordinate system on each plat map to register your area?  
 
They had 30 year old planimetric maps (with coordinate system tics) with 30 year old parcel boundaries on them.  We hand compared them with the current parcel maps and updated them and then digitized off of the planimetrics.
 
> What do large digitizing tables run these days?   
 
$1,500-$4,000 roughly.
 
How did the accuracy levels turn out on your project of 45,000 parcels?   
 
It wasn't engineering level accuracy but perfectly good for most assessor uses as long as you issue the caveat that the deed is the only legal boundary description.
 
Larry Manire
 

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