Conversion

Conversion is focussed on taking data from one structure (hard copy, CAD files, shape files, coverages, or feature classes) and transitioning this data into a more efficient structure.  Panda Consulting provides these services from Initial Mapping Services, Conversion between GIS Data Structures and Conversion to the ESRI Parcel Fabric. 

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Initial Mapping Services

Many times you need to map Land Records from the original, source documents (deeds, surveys and plats). Since its founding, Panda Consulting has mapped and converted over a half million deeds into GIS data structures. These mapping projects require specialized knowledge relating to surveying, land tenure systems, various types of deeds and legal description interpretation.

Panda Consulting is the leader in conversion of hard copy maps to geodatabases. Prior to any conversion project, Panda representatives meet with the client and review existing workflows to ensure that the new technology will cause minimal disruptions while providing maximum benefits. 

Geodatabase Design 

During the initial meeting, a discussion regarding the design of the geodatabase is initiated. The geodatabase serves three purposes within the organization; storage of the data, means to maintain and edit the data, and creation of maps, reports and other publications. These three modes often have conflicting design needs and the final geodatabase design is a compromise between the three needs.Once the prototype database design is complete, existing dataset, if available are converted and testing is begun to ensure the database works as envisioned. 

Development of Source Documents Checklist 

When contracted for conversion from hard copy to digital data, a checklist of available source documentation is developed to ensure that all resources are utilized. Possible source documents include: copies of deeds, subdivision plats, unrecorded or assessor maps, Department of Transportation R/W surveys, private surveys, GLO township plats, certified corner records for the Public Land Survey System, CAMA extracts, aerial photography and any other records that may help the mapping effort. 

Pilot Project & Conversion 

A small pilot project area is agreed upon and initial mapping begins. It is during this initial stage that initial parcel creation and conversion occurs. It is important that during this phase in the conversion, problems in source documentation, CAMA conversion, insufficient ground control and methodology are identified and solutions developed to remedy these problem areas. 

Deliverables 

Finally, a schedule of deliverables and quality control procedures are agreed to and full production begins. 

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Conversion between GIS Data Structures

The process of conversion to an SDE geodatabase, or any other data structure for that matter, consists of multiple stages: evaluation of the existing data and workflow, development of a prototype data design, loading and testing of representable sample data to determine the usability of the design, development of loading procedures to import all existing data, testing for optimization of SDE configuration tables with imported data, quality control and testing of the imported data and training of the client staff on findings and procedures for future maintenance and optimization. 

Conversion vs Translation 

Conversion between GIS Data Structures is not simply taking your existing data layers, in whatever format they may currently be stored, and loading them into a different data structure. There are good reasons why various data layers should be consolidated and why other data layers should be segregated. The creation of feature datasets, subtypes and domains will ensure more than the speedy transition, they will ensure that quality data is input and maintained. Be careful to avoid merely loading the existing structures into a newer, more efficient, database without a complete analysis of your needs. 

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Conversion to the Parcel Fabric

Conversion to the Parcel Fabric is especially indicative of the issues when moving from one structure to a newer, more efficient structure. Most parcel mappers store the various elements according to thematic usage, with PLSS Section polygons being stored in one feature class and Subdivision polygons being stored in a different feature class. Similarly, the element for Blocks, Lots, Tax Parcels, Ownership, and Encumbrances (Easements) are all stored separately. In addition, separate line feature classes are stored for each corresponding polygon feature class.

Within the Parcel Fabric, features are aggregated according to geometry type, with all polygons being stored in one feature class, all lines being stored in a separate feature class and all points, (corners) stored in another feature class.

As a matter of fact, many offices store their data in a "map" data model created to recreate those elements shown on a printed map, using lines and text (annotation) to show where legal lots are located. This data model requires extra effort to create the various elements of the Local Government Information Model within the parcel Fabric.  With that said, this data can be converted and become very efficient in the Parcel Fabric.

Call (561-691-3277) or contact us for a free demonstration.