OGC Vector Tiles Pilot Summary Engineering Report Table of Contents

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OGC Vector Tiles Pilot Summary Engineering Report Table of Contents 1. Summary . 4 1.1. Requirements & Research Motivation . 4 1.2. Prior-After Comparison. 5 1.3. Recommendations for Future Work . 5 1.4. Document contributor contact points . 5 1.5. Foreword . 6 2. References . 7 3. Terms and definitions . 8 3.1. Abbreviated terms . 8 4. Overview . 9 5. Introduction. 10 5.1. OGC Pilots and other initiatives . 10 6. Pilot overview . 12 6.1. Background and Motivating work . 12 6.2. Tiling . 13 6.2.1. Tiled Feature Data . 14 6.3. Advantages of Vector Tiles . 15 6.4. Challenges with Vector Tiles . 16 7. Requirements analysis . 17 7.1. Pilot architecture and deliverables . 17 7.1.1. Engineering Reports. 18 7.1.2. Server Components . 19 7.1.3. Client components . 20 8. Tiled Feature Data Conceptual Model . 21 9. Summary of components . 23 9.1. Vector Tile API for WFS 3.0 . 23 9.1.1. Access to tiles . 24 9.1.2. Access to features . 24 9.1.3. WFS 3.0 servers . 25 9.1.4. WFS 3.0 clients. 26 9.2. GeoPackage 1.2 Vector Tiles Extension . 28 9.2.1. Mapbox Vector Tiles Extension . 28 9.2.2. GeoJSON Vector Tiles Extension . 29 9.2.3. OWS Context Extension. 29 9.2.4. Vector Tile Attribute Extension . 29 9.2.5. GeoPackage Producers. 29 9.2.6. GeoPackage Clients. 29 9.3. WMTS for Vector Tiling. 34 9.3.1. WMTS servers . 34 9.3.2. WMTS Clients. 35 10. Discussion . 40 10.1. Tile Compression . 40 10.2. Attributes . 41 10.3. Styling and Symbology . 41 10.4. Vector Tile format differences . 41 10.5. DDIL Considerations . 42 10.6. Convergence of OGC Services . 42 11. Recommendations . 44 12. Conclusion . 45 Appendix A: Revision History . 46 Appendix B: Bibliography . 47 Publication Date: 2019-02-15 Approval Date: 2018-12-13 Submission Date: 2018-11-21 Reference number of this document: OGC 18-086r1 Reference URL for this document: http://www.opengis.net/doc/PER/vtp-summary Category: Public Engineering Report Editor: Sam Meek Title: OGC Vector Tiles Pilot: Summary Engineering Report OGC Engineering Report COPYRIGHT Copyright © 2019 Open Geospatial Consortium. To obtain additional rights of use, visit http://www.opengeospatial.org/ WARNING This document is not an OGC Standard. This document is an OGC Public Engineering Report created as a deliverable in an OGC Interoperability Initiative and is not an official position of the OGC membership. It is distributed for review and comment. It is subject to change.

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