Indiana GIS Conference 2007 Tracking Parcel Genealogy – A Parcel’s Family Tree Brent Mainzinger The Sidwell Company

Indiana GIS Conference 2007 The Life of a Parcel A parcel is born A parcel has parents A parcel has children Parents can sometimes survive Surviving parents can have more children Parents can sometimes retire Parents can die

Indiana GIS Conference 2007 Parcel Actions Split/Divide Combine/Merge Retire Unretire Create New Delete

Indiana GIS Conference 2007 Documents Drive Transactions, which Control Parcels Deeds Plats Split/Divide Combine/Merge

Indiana GIS Conference 2007 Your Parcel Number Matters Is it permanently associated with the legal description of a property? Is your parcel number geographically based? Do you re-use parcel numbers? Do you use survivable parents? Do you retire or delete parcels? Are non-real estate items assigned parcel numbers

Indiana GIS Conference 2007 What Parcel Genealogy Needs to Do…

Indiana GIS Conference 2007 The transaction ties the parcels together Track Parent-Child Relationships The transaction ties the parcels together Tie documents to the transaction

Indiana GIS Conference 2007 Searchable

Indiana GIS Conference 2007 Associate Documents Associate with Parcels Surveys Letters Spreadsheets Walk-throughs etc Associate with Transactions Plats Deeds etc.

Indiana GIS Conference 2007 Create Reports

Indiana GIS Conference 2007 Store Data in ODBC Compliant Data Sources

Indiana GIS Conference 2007 ODBC Compliance is Important Don’t put data into anything that you can’t get it out of !

Indiana GIS Conference 2007

The People Side Requires the discipline to not take short cuts Documents must be worked in the order that they are recorded Requires cooperation between departments

Indiana GIS Conference 2007 Parcel feature archiving in ArcMap

Indiana GIS Conference 2007 Geodatabase Feature Archiving Store born and retirement dates for parcel polygons Automatically store geography of retired parcels Spatially query parcels sharing geography over time Display map through time

Indiana GIS Conference 2007 Requires a Versioned Geodatabase

Indiana GIS Conference 2007 Feature class must be have archiving enabled

Indiana GIS Conference 2007 Parcel Archive Table Born Date Retire Date

Indiana GIS Conference 2007 Track Parcel Geometry

Indiana GIS Conference 2007 Parcel Genealogy with document association