Data Specification on Orthoimagery – Draft ... - INSPIRE - Europa

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INSPIRE Reference: D2.8.II.3_v2.0 TWG-OI <strong>Data</strong> <strong>Specification</strong> on Orthoimagery 2011-06-15 Page VIII Table of contents 1 Scope.............................................................................................................................................. 1 2 Overview ......................................................................................................................................... 1 2.1 Name......................................................................................................................................... 1 2.2 Informal description................................................................................................................... 1 2.3 Normative References .............................................................................................................. 2 2.4 Terms and definitions................................................................................................................ 3 2.5 Symbols and abbreviations.......................................................................................................4 2.6 Notation of requirements and recommendations...................................................................... 4 2.7 Conformance............................................................................................................................. 4 3 <strong>Specification</strong> scopes ....................................................................................................................... 4 4 Identification information................................................................................................................. 4 5 <strong>Data</strong> content and structure ............................................................................................................. 5 5.1 Basic notions............................................................................................................................. 5 5.1.1 Stereotypes........................................................................................................................ 5 5.1.2 Placeholder and candidate types....................................................................................... 6 5.1.3 Voidable characteristics..................................................................................................... 6 5.1.4 Code lists and Enumerations............................................................................................. 7 5.2 Application schema Orthoimagery............................................................................................ 8 5.2.1 Description......................................................................................................................... 8 5.2.2 Feature catalogue............................................................................................................ 18 6 Reference systems ....................................................................................................................... 23 6.1 Coordinate reference systems ................................................................................................ 23 6.1.1 Datum .............................................................................................................................. 23 6.1.2 Coordinate reference systems......................................................................................... 23 6.1.3 Display ............................................................................................................................. 24 6.1.4 Identifiers for coordinate reference systems.................................................................... 24 6.2 Temporal reference system .................................................................................................... 24 6.3 Theme-specific requirements and recommendations on reference systems ......................... 24 7 <strong>Data</strong> quality ................................................................................................................................... 25 7.1 <strong>Data</strong> quality elements and measures...................................................................................... 25 7.1.1 Completeness – Omission............................................................................................... 25 7.1.2 Positional accuracy – Absolute or external accuracy ...................................................... 26 7.2 Minimum data quality requirements and recommendations ................................................... 27 8 <strong>Data</strong>set-level metadata................................................................................................................. 28 8.1 Common metadata elements.................................................................................................. 28 8.1.1 Coordinate Reference System......................................................................................... 30 8.1.2 Temporal Reference System ........................................................................................... 31 8.1.3 Encoding.......................................................................................................................... 31 8.1.4 Character Encoding ......................................................................................................... 32 8.1.5 <strong>Data</strong> Quality – Logical Consistency – Topological Consistency...................................... 32 8.2 Metadata elements for reporting data quality ......................................................................... 33 8.3 Theme-specific metadata elements........................................................................................ 34 8.3.1 Maintenance Information ................................................................................................. 35 8.3.2 <strong>Data</strong> Quality – Completeness – Omission....................................................................... 35 8.3.3 <strong>Data</strong> Quality – Positional Accuracy – Absolute or external accuracy.............................. 36 8.3.4 Process step ....................................................................................................................36 8.3.5 <strong>Data</strong> source...................................................................................................................... 37 8.3.6 Browse graphic information ............................................................................................. 37
INSPIRE Reference: D2.8.II.3_v2.0 TWG-OI <strong>Data</strong> <strong>Specification</strong> on Orthoimagery 2011-06-15 Page IX 8.3.7 Digital transfer options information .................................................................................. 38 8.4 Guidelines on using metadata elements defined in Regulation 1205/2008/EC ..................... 38 8.4.1 Conformity........................................................................................................................ 38 8.4.2 Lineage ............................................................................................................................ 39 8.4.3 Temporal reference ......................................................................................................... 39 9 Delivery ......................................................................................................................................... 40 9.1 Delivery medium ..................................................................................................................... 40 9.2 Encodings ............................................................................................................................... 40 9.2.1 Default Encoding ............................................................................................................. 40 9.2.2 Alternative Encoding........................................................................................................ 41 10 <strong>Data</strong> Capture................................................................................................................................. 42 11 Portrayal........................................................................................................................................ 42 11.1 Layers to be provided by INSPIRE view services ............................................................... 43 11.1.1 Layers organisation...................................................................................................... 43 11.2 Styles to be supported by INSPIRE view services.............................................................. 43 11.2.1 Styles for the layer OI.OrthoimageCoverage............................................................... 43 11.2.2 Styles for the layer OI.Seamline................................................................................... 44 11.3 Other recommended styles ................................................................................................. 45 Bibliography........................................................................................................................................... 46 Annex A (normative) Abstract Test Suite ............................................................................................. 47 Annex B (informative) Use cases .......................................................................................................... 48 Annex C (normative) Pan-European Grid for raster Orthoimagery data at global level........................ 56 C.1 Introduction ............................................................................................................................. 56 C.2 Definition of the pan-European grid for raster Orthoimagery data.......................................... 57 C.2.1 Legal framework .............................................................................................................. 57 C.2.2 Definition of the grid......................................................................................................... 57 C.3 Use of the pan-European grid for raster Orthoimagery data .................................................. 59 Annex D (informative) <strong>Data</strong> structure examples.................................................................................... 61 D.1 Introduction ............................................................................................................................. 61 D.2 Examples ................................................................................................................................ 61 D.2.1 Orthoimages derived from single input images (no tiling) ............................................... 61 D.2.2 Orthoimages derived from single input images (with tiling)............................................. 62 D.2.3 Mosaic of several input images without information about seamlines (no tiling)............. 62 D.2.4 Mosaic of several input images without information about seamlines (with tiling) .......... 63 D.2.5 Mosaic of several input images with seamlines (no tiling)............................................... 63 D.2.6 Mosaic of several input images with seamlines (with tiling) ............................................ 64 D.2.7 Aggregated orthoimage (no tiling) ................................................................................... 65 D.3 Conclusion .............................................................................................................................. 65
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