Jordi Escriu - facilitator

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Presentation transcript:

Jordi Escriu - facilitator INSPIRE Thematic Cluster on Elevation, Orthoimagery, Reference systems and Geographical grids Jordi Escriu - facilitator

Thematic cluster scope

Elevation, Orthoimagery, Reference systems and Geographical grids (92) Membership Elevation, Orthoimagery, Reference systems and Geographical grids (92) Main stakeholders: Mapping and Hydrographic agencies, Copernicus, EU agencies and organizations, EU and global coordination bodies, any potential data user 14.1% 26.1% (24) (26) (16) (13) 17.4% MS Implementers: mapping agencies, EuroGeographics and its KENs… Users and experts from European Commission agencies and organizations. Producers and consumers linked to Copernicus and similar communities. Public and private sector professionals, technical experts, software vendors... 28.3% Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Content / Type of Resources Discussion topics Unsatisfied needs and use-cases Successful experiences Leading projects Applicable software tools Useful documentation News and upcoming events Member State issues 18% Interoperability, Data provision 14% each SW Tools 10% Best practices, EU Thematic databases 9% each Figures from Phase 1 (June 2015) Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Content / Examples Discussions threads (Implementation / TG evolution / …) How to encode OI and EL INSPIRE GML coverages (raster data) WCS as an INSPIRE download service option for raster data Unsatisfied needs / Use-cases Lacks of EU-DEM dataset Official European registry of reference systems and geodetic parameters Successful experiences Seamless OI coverage for the Grand Genève cross-border area EuroDEM – A pan-European interoperability case Leading projects, (European / national level) ELF, CRS-EU, eENVplus, ARE3NA, PNOT… Applicable software tools: FME… Useful documentation: Presentations about the current TGs, Web Coverage Services (WCS) Workshop reports: ‘Map projections for Europe’, ‘European reference grids’ Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Interesting & Active Discussions The winners (29 replies in total) How to encode the spatial extent of coverages - domainExtent vs. gml:boundedBy (16 replies) Encoding of EL and OI coverages in GML - GMLCOV (13 replies) In second place… Usability of the ‘Zoned Geographic Grid’ (13 replies) Existing validation rules (10 replies) Transverse Mercator projections allowed in INSPIRE - ETRS89-TMzn and raster data for OI and EL (9 replies) European Grid Coordinate System naming used for EU-DEM tiles - Copernicus RDA EU-DEM EGCS naming (7 replies) Use of the ‘Equal Area Grid’ (8 replies) Misalignment between coverages from different data providers (6 replies) Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Interesting & Active Discussions The winners (31 replies in total) How to encode the spatial extent of coverages - domainExtent vs. gml:boundedBy (16 replies) Encoding of EL and OI coverages in GML - GMLCOV (15 replies) In second place… Usability of the ‘Zoned Geographic Grid’ (13 replies) Use of the ‘Equal Area Grid’ (11 replies) Need more guidance for Elevation encoding - Examples based on GMLCOV schema (10 replies) Existing validation rules (10 replies) Transverse Mercator projections allowed in INSPIRE - ETRS89-TMzn and raster data for OI and EL (9 replies) Usefulness of Contour Lines transformed to EVRS from a national height reference system (9 replies) Inconsistencies/errors found in the INSPIRE TGs on orthoimagery (8 replies) Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Discussions on coverages and WCS in TC #3 Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Experiences transforming data to INSPIRE EL&OI coverages First attempts, description of issues experienced, best practices, software used, etc. Examples: IGN-France, Cuzk, Saxony, IGN-Spain Related discussion thread: https://themes.jrc.ec.europa.eu/discussion/view/2843/encoding- of-elevation-and-orthoimagery-coverages Questions: Did you publish your experience? And all the details? Is there any link explaining the experience? Do you know about any other experience in your MS or any other MS? Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Specific issues on encoding of coverages How to encode the extent of coverages domainExtent vs. gml:boundedBy Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Specific issues on encoding of coverages How to encode the extent of coverages Related discussion thread: https://themes.jrc.ec.europa.eu/discussion/view/12901/do mainextent-vs-gmlboundedby-el-oi-coverages-encoding Questions: Do you agree on the proposed solution? Do you think that more guidelines are needed in the TGs to use similar items, providing somehow repeated information? (e.g. ‘metadata’ hook in coverages) Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Specific issues on encoding of coverages Use of OGC SWE Quantity constraint Issue with the way the INSPIRE EL TG uses OGC SWE "Quantity: constraint" attribute. Registered in MIG-T Redmine issue tracker: https://ies-svn.jrc.ec.europa.eu/issues/2207 Related discussion thread: https://themes.jrc.ec.europa.eu/discussion/view/12893/use -of-ogc-swe-quantity-constraint Questions: Have you looked at the issue? Do you volunteer? Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Provide examples in GMLCOV (for TGs) INSPIRE GMLCOV examples available, either Multipart representation / External file encoding / Inline encoding Examples: IGN-France, Spain (IGN, ICGC) Related discussion threads: "Example data in accordance with OI application schema (for Copernicus guidelines)": https://themes.jrc.ec.europa.eu/discussion/view/23508/example- data-in-accordance-with-oi-application-schema-for-copernicus-guidelines "Need more guidance for Elevation encoding and correct example (for ElevationGridCoverage) on the basis of GMLCOV schema": https://themes.jrc.ec.europa.eu/discussion/view/42326/need-more-guidance-for- elevation-encoding-and-correct-example-for-elevationgridcoverage-on-the-basis- of-gmlcov-schema Questions: Do you agree to share your example? Do you volunteer for validating the examples? Do you know about any other GMLCOV example in your MS? Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Interoperability issues with coverages Problems across areas for different reasons: Data produced in national grids and specific production process (misalignments). Data available in different formats. Related discussion threads: Misalignments between coverages produced by different data providers https://themes.jrc.ec.europa.eu/discussion/view/3731/misalignments- between-coverages-produced-by-different-data-providers-eg- orthoimages Questions: What do you think in each case? – Provide your input! Do you know any other reasons producing such kind of problems? Do you think that a Common European Grid (without zones) is needed? – E.g. the Zoned Geographic Grid or a similar proposal Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

WCS Services Provision of inputs for the work of MIWP-7b Related discussion thread: https://themes.jrc.ec.europa.eu/discussion/view/22150/web-coverage-service-wcs-a-missing-piece-in-inspire Questions Do you think that WCS is a missing piece in INSPIRE? Which benefits / drawbacks do you foresee if WCS is used in the INSPIRE context? Explain you own experience and best practice with the use of WCS (evaluation, use-cases, software utilized, etc.) Any additional items to be discussed or treated by this group? Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Identify potential changes to TGs Correction of known errors and ‘typos’. New items to be addressed to achieve interoperability. Include GMLCOV coverage examples in the TGs. Identify existing gaps / Complete TGs - Examples: Guidelines for encoding of coverages (e.g. ‘rangeType’ content and structure) Specific encoding rules in a specific format (e.g. GeoTIFF / JPEG2000) Related discussion threads: "Inconsistencies/errors found in the INSPIRE TGs on orthoimagery": https://themes.jrc.ec.europa.eu/discussion/view/32920/inconsistencieserrors-found-in-the-inspire-tgs-on-orthoimagery Questions: Do you have a list of potential changes / proposals in your MS? Any specific item identified during this workshop? Please, provide your input! Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Looking for your participation… JOIN THEMATIC CLUSTER #3 https://themes.jrc.ec.europa.eu/groups/profile/206/elevation- orthoimagery-reference-systems-and-geographical-grids-cluster Workshop on transformation of coverage-based data themes and WCS EuroGeographics INSPIRE-KEN - 29–30/09/2015 – Barcelona

Jordi Escriu jordi.escriu@icgc.cat Facilitator Thematic Cluster #3