OGC PipelineML SWG Meeting – Boulder 2015

 In Status Update

We held a heavily attended meeting this week in Dublin (as most of the current stakeholders are in the U.S.). Several members of the PODS Association were on hand. We had a wide variety of dialogue that involved retracing much of the work undertaken to date as well as philosophical and technical discussions. The following was our meeting agenda:

  1. Quick walkthrough of Prototype 1 Definition document (to be posted to portal prior to the meeting and as quickly as possible although it is undergoing heavy revision currently—it is not subject to 3 week rule as it will not require a vote, per Scott Simmons)
  2. Gather feedback on such issues as:
    1. Prototype methodology, scope and schedule
    2. Whether to support pipeline component sub-elements for type attribution or role all component type attribution up to the parent component feature element
    3. How best to leverage FeatureCollections based on the proposed data structure (experience from past initiatives)
    4. Given the sample instance data structure defined in above document, can we achieve GML-SF level 0 compliance or will we need to resort to level 1 compliance (why and how)
    5. Should we attempt to support 2 levels of data granularity in this first prototype – (1) detailed feature attribution and (2) simplified geography representation for visualization and if so what are thoughts on the best approach (any lessons learned from other group initiatives)
  3. Discuss possible participation in Interoperability Program and interest in sponsorship among stakeholders
  4. Request assistance with:
    1. Modeling conformance classes in UML
    2. Vetting of metadata and feature attribution from pipeline industry and survey professionals

The following were the summary points made during the Closing Plenary:

  1. Reviewed PipelineML Prototype 1 Definition document
  2. PipelineML SWG is pursuing an early encoding prototype based on GML Application Schema and Simple Features profile SF-0 compliance with a very narrow scope.
  3. Goal is to get sample data to stakeholders quickly to inform technical decisions regarding supported features, reference code lists, abstract/conceptual model, conformance classes, etc.
  4. Use Cases
    –Detailed Survey Data Package from New Pipeline Construction
    –Light-weight Survey Data Visualization of New Pipeline Construction
  5. Test Cases
    –Visualize survey data package using ESRI ArcGIS
    –Visualize survey data package using open source GIS tool such as QGIS
    –Facilitate programmatic coterminous component count (tally)
  6. Detailed discussion and feedback will be facilitated via a follow-up meeting in 4 weeks.

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