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    Exploring all aspects of mapping and geography, from field data collection, to mapping and analysis, to integration, applications development, enterprise architecture and policy
Showing posts with label FGDC. Show all posts
Showing posts with label FGDC. Show all posts

FGDC Metadata Rant Du Jour

Posted by Dave Smith On 4/23/2007 10:06:00 AM 1 comments

I have been doing some work developing metadata records and automated processes for generating and updating metadata as part of data refresh and ETL processes lately. In the course of doing this, we are trying to develop means of providing very rich and well-documented, FGDC and Agency-profile metadata.

However, when it comes to attributes... Seems FGDC and ESRI both have put some disincentives in the way of capturing attribute data and documenting them painlessly.

http://www.fgdc.gov/metadata/csdgm/05.html

One could take the easy way out, and just put in an overview description and citation, and completely ignore any detailed description of the individual attributes.

Or, one could use ArcCatalog and extract a quick listing of attributes as <attr> elements - but.... ArcCatalog only captures and stores the <attrlabl> elements within this. In the infinite wisdom of the folks at FGDC and the folks that developed MetaParser, they then further require attribute domain <attrdomv> (and in my experience, 99.99% of most attribute data is either never validated against a domain, or validated outside of the GIS system, in the database, data capture or ETL process) and attribute value accuracy description <attrvai><attrvae> which I agree is valuable where applicable, but in many instances is not applicable, such as feature name, FID or other types of fields.

It tends to make providing detailed attribute information a disincentive, and steers folks toward taking the cop-out approach of just providing the overview description. Seems like an opportunity lost.

Agency Metadata Editor

Posted by Dave Smith On 4/19/2007 09:14:00 PM 1 comments

Over the last few days I have been working with a great newly released metadata editor tool developed by our good friends over at Innovate!

It's based on the Coeur d'Alene Tribe "3-Tab" editor, and provides a customized environment which is database-driven and customizable for an Agency's needs, as well as highlighting some elements which are not mandatory for FGDC CSDGM compliance, but which are mandatory for Agency profile compliance above and beyond FGDC requirements.

The tool integrates seamlessly with ArcCatalog and also provides a validation tool, to ensure compliance with the Agency profile.

Tab 1: Basic Dataset Information

Tab 2: Quality, Coordinate System and Attribute Information

Tab 3: Distribution & Metadata Information


In just a matter of minutes, it's fairly easy to generate a complete, compliant metadata record, which passes validation in metaparser (mp).

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