In a small number of cases, the centerline runs though a tax map boundary or a parcel point is located on the opposite side of the street from where it should be. What is the explanation for this?
MDP is the custodian of the parcel points. The process we used for point placement was to scan and register the original tax maps, which were maintained for over 40 years on ink and mylar, long before anyone ever conceived of a parcel GIS. These scanned raster images of the tax maps were registered in MDP’s GIS using State Highway Administration (SHA) 1:24,000 detailed grid map road centerlines as the base. These scanned raster images were registered to the best position possible by orienting each scanned tax map panel to the SHA centerlines at major intersections. This occasionally left centerlines crossing through or on the wrong side of parcels represented on a given scanned panel. Parcel points were and continue to be placed manually within the parcel boundary AND on the correct side of the road centerline where possible. The presiding rule is to place the parcel point within the parcel boundary. Therefore, where the road centerline is positioned outside of the parcel boundary, the
Related Questions
- In a small number of cases, the centerline runs though a tax map boundary or a parcel point is located on the opposite side of the street from where it should be. What is the explanation for this?
- I have a project in a very small area of a jurisdiction. Can I purchase the GIS version of the tax maps and the parcel data for just this area instead of paying for the entire jurisdictions data?
- Tax map parcels are often combined to make a large contiguous tract. Are each tax map parcel treated separately?
