INSPIRE View Service

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INSPIRE View Service

• EuroGeographics Network Services Workshop
• 5-6 February 2008
• didier.richard_at_ign.fr
• Input provided by Network Services Drafting Team

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Content
Network services Drafting team

• Fundamental rules
• Roles
• Standards
• GETCAPABILITIES operation
• SRS
• GETMAP operation
• GETFEATUREINFO operation
• Performances

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View Service Fundamental Rules

• Requirements View services to display,
  navigate, zoom in/out, pan, overlay viewable
  spatial data sets, to display legend and any
  relevant content of metadata (Art. 11).
• Art. 14 (e-commerce / protection)
• Art. 15-2 (EU portal access)
• Art. 16-a (performances / reporting)
• Art. 20 (interoperability)
• Layers INSPIRE well-known features DS MD IR
• Styling INSPIRE by default DS NS IR
• Well-known SRS ETRS89
• Web Map Service 1.3.0 ISO 191282005(E) SOAP
  binding
• Client viewer out of scope

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View Service Roles

• Publisher  allows displaying of layers within
  INSPIRE framework
• ISO 19115 Metadata about INSPIRE datasets
  (Discovery Service)
• INSPIRE datasets in conformance with INSPIRE DS
• Administrator manages viewing in accordance
  with IR
• GetCapabilities response tuning (Metadata,
  Legend, Styles, ...)
• Datasets preparation (supported SRS)
• ISO 19119 Metadata about View service (optional)
• View service manages requests / responses
• GETCAPABILITIES mandatory
• GETMAP mandatory
• GETFEATUREINFO optional
• Viewer  interacts with View service
• Datasets / Services metadata (Discovery Service)
• Viewing (Client appl Web, GIS, ...)

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View Service Standards

• WMS 1.3.0  ISO 191282005 (EN)
• Total Number of specification or interface
  implementations (compliant or otherwise).
• Comp. Number of officially compliant
  implementations.
• Source  http//www.opengeospatial.org -
  2008-01-25
• SOAP Binding
• Source  http//www.opengeospatial.org -
  2008-01-25
• SOAP (HTTP/POST) document/literal.
• http//www.w3.org/TR/SOAP

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View Service GETCAPABILITIES operation

• Response content (1) 
• ltWMS_Capabilities version"1.3.0"gt
• ltServicegt
• ...
• ltContactInformationgt lt!-- Mandatory in INSPIRE
  one of the following --gt
• ltContactAddressgtlt/ContactAddressgt
• ltContactVoiceTelephonegtlt/ContactVoiceTelephonegt
• ltContactFacsimileTelephonegtlt/ContactFacsimileTelep
  honegt
• ltContactElectronicMailAddressgtlt/ContactElectronicM
  ailAddressgt
• lt/ContactInformationgt
• ...
• lt/Servicegt
• ltCapabilitygtlt/Capabilitygt
• lt/WMS_Capabilitiesgt

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View Service GETCAPABILITIES operation

• Response content (2) 
• ltWMS_Capabilities version"1.3.0"gt
• ltServicegt
• ...
• lt!-- Geo Right Management mandatory in INSPIRE
  --gt
• ltFeesgtlt/Feesgt lt!-- no fees when free --gt
• ltAccessConstraintsgtlt/AccessConstraintsgt lt!--
  enumeration (not yet defined) --gt
• ...
• lt/Servicegt
• ltCapabilitygtlt/Capabilitygt
• lt/WMS_Capabilitiesgt

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View Service GETCAPABILITIES operation

• Response content (3)
• ltWMS_Capabilities version"1.3.0"gt
• ltServicegtlt/Servicegt
• ltCapabilitygt
• ltRequestgt
• ltGetCapabilitiesgtlt/GetCapabilitiesgt lt!--
  Mandatory in INSPIRE --gt
• ltGetMapgtlt/GetMapgt lt!-- Mandatory in INSPIRE --gt
• ltGetFeatureInfogtlt/GetFeatureInfogt lt!-- optional
  in INSPIRE --gt
• lt/Requestgt
• ltExceptiongtlt/Exceptiongt
• ltLayergtlt/Layergt
• lt/Capabilitygt
• lt/WMS_Capabilitiesgt

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View Service GETCAPABILITIES operation

• Response content (4)
• ltWMS_Capabilities version"1.3.0"gt
• ltServicegtlt/Servicegt
• ltCapabilitygt
• ltRequestgtlt/Requestgt
• ltExceptiongt
• ltFormatgtXMLlt/Formatgt lt!-- Mandatory in INSPIRE,
  default in ISO 19128 --gt
• ltFormatgtBLANKlt/Formatgt lt!-- Mandatory in INSPIRE
  --gt
• ltFormatgtINIMAGElt/Formatgt
• lt/Exceptiongt
• ltLayergtlt/Layergt
• lt/Capabilitygt
• lt/WMS_Capabilitiesgt

! Internationalization
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View Service GETCAPABILITIES operation

• Response content (5) 
• ltWMS_Capabilities version"1.3.0"gt
• ltServicegtlt/Servicegt
• ltCapabilitygt
• ltRequestgtlt/Requestgt
• ltExceptiongtlt/Exceptiongt
• lt!--Mandatory support for internationalization gt
  provide relevant XSD --gt
• ltINSPIRESupportedLanguagesgt
• ltOnlineResource href/gt
• lt/INSPIRESupportedLanguagesgt
• ltLayergtlt/Layergt
• lt/Capabilitygt
• lt/WMS_Capabilitiesgt

ltcomplexType name"SupportedLanguages_Type"gt ltcomp
lexContentgt ltextension base"wms_ExtentedCapabili
ties"gt ltsequencegt ltelement ref"wmsOnlineResource
" minOccurs"1"/gt lt/sequencegt lt/extensiongt lt/compl
exTypegt ltelement name"SupportedLanguages"
type"INSPIRESupportedLanguages_Type"
substitutionGroup"wms_ExtentedCapabilities"/gt
URL of a file that contains FREhttp//url/Capab
ilitiesInFrench.xml ENGhttp//url/CapabilitesInEn
glish.xml ...
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View Service GETCAPABILITIES operation

• Response content (6) 
• ltWMS_Capabilities version"1.3.0"gt
• ltServicegtlt/Servicegt
• ltCapabilitygt
• ltRequestgtlt/Requestgt
• ltExceptiongtlt/Exceptiongt
• ltLayer queryable1gt
• ltNamegtHarmonized namelt/Namegt lt!-- Mandatory in
  INSPIRE --gt
• ltTitlegtFor human beingslt/Titlegt
• ltAbstractgtlt/Abstractgt lt!-- Mandatory in INSPIRE
  --gt
• ltKeywordListgtlt/KeywordListgt lt!-- Mandatory in
  INSPIRE --gt
• ltCRSgtlt/CRSgt lt!-- Mandatory in INSPIRE --gt
• ltEX_GeographicBoundingBoxgtlt/EX_GeographicBoundingB
  oxgt lt!-- Mandatory in INSPIRE --gt
• ltBoundingBoxgtlt/BoundingBoxgt lt!-- Mandatory in
  INSPIRE --gt
• ltMetadataURLgtlt/MetadataURLgt lt!-- Mandatory in
  INSPIRE --gt
• ltStylegtlt/Stylegt lt!-- Mandatory in INSPIRE --gt
• lt/Layergt
• lt/Capabilitygt
• lt/WMS_Capabilitiesgt

• Linked with
• GETMAP.LAYER parameter
• //coupledResource//ScopedName in optional ISO
  19119 Service Metadata

Linked with Discovery Service, GETRECORDBYID
operation
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View Service GETCAPABILITIES operation
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View Service SRS

• European Terrestrial Reference System (ETRS)
• Continental Europe
• CRS parameter
• Label  CRS, EPSG or AUTO namespaces
• URL http//crs.bkg.bund.de/crs-eu/identifier ?
• International Terrestrial Reference System
  (ITRS) 
• Outside Continental Europe
• CRS84 support as a minimum

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View Service GETMAP operation

• LANGUAGE internationalization purpose
  (exception) ?
• LAYERS 
• //Layer/Name in GETCAPABILITIES
• STYLES
• No value INSPIRE portrayal
• FORMAT
• PNG, image/png mandatory in INSPIRE
• GIF, image/gif mandatory in INSPIRE
• CRS Label values
• Geographic EPSG4258, CRS84
• Lambert Conic conform EPSG3034
• Lambert azimuth equal area EPSG3035
• Transverse Mercator EPSG3038 to EPSG3051

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View Service GETFEATUREINFO operation

• LANGUAGE internationalization purpose
  (exception, content) ?
• INFO_FORMAT
• HTML, text/html mandatory in INSPIRE

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View Service Performances

• Performance
• 1024x768 PNG/GIF GETMAP response sent 3s upon
  request receival
• 90 of the running time
• Availability
• 99 of the time (3.7 days per year), no more than
  15mn downtime per day during working hours
• Capacity 
• 100 incoming requests per second without
  performance lost
• Reliability  reference tests and datasets
  recommended
• Security  certification recommended
• Regulatory  reference tests recommended

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Thank you for your attention