[Talk-us-massachusetts] MassGIS address import: check vs L3 parcel data

[Alan & Ruth Bragg]

I totally agree. Many of us have used the MassGIS L3 imagery to help us
address buildings in our towns. This extra processing will reduce import
risk.

As stated in the import wiki:
Phase 1 - Low Risk Import

Under Phase 1, we seek to import entries with the least chance of
ambiguity, error, or conflict.



Alan


On Wed, Apr 17, 2019 at 11:55 PM Yury Yatsynovich <
yury.yatsynovich at gmail.com> wrote:

> Greetings!
> One other source of data came to my mind -- MA parcel data (L3) -- which
> can be used for validating the quality of imported MAD points.
> So, I suggest an additional criterion for Phase 1: we import only address
> points that are within L3 parcels with the same addresses. Recently I've
> merged MAD and L3 layers for Boston to find that nearly 300K of MAD points
> out of 400K pass this check, but another 100K of MAD points need more
> scrutiny (the problem with Boston is that L3 for Boston has only one field
> with addresses like "154 158 W SECOND ST, 02127" which makes it somewhat
> hard to directly compare them to more structured MAD addresses).
> What do you think?
> --
> Yury Yatsynovich
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