title_header
Laboratory on Geoinformatics and Cartography
5. DOWNLOAD PROCESSES, ORDERING AND DOWNLOAD OF DESIRED DATA

title_header
Laboratory on Geoinformatics and Cartography
•“Download services, enabling copies of spatial data sets, or parts of such sets, to be downloaded
and, where practicable, accessed directly (Article 11 of the INSPIRE directive)
•Different than Google Maps, Mapy.cz, etc.
–You may download “real” data
The concept of download in ESDI

title_header
Laboratory on Geoinformatics and Cartography
•“By way of derogation from Article 11(1), Member States may limit public access to spatial data
sets and services through the services referred to in points (b) to (e) of Article 11(1), or to the
e-commerce services referred to in Article 14(3), where such access would adversely affect any of
the following:
–(a) the confidentiality of the proceedings of public authorities, where such confidentiality is
provided for by law;
–(b) international relations, public security or national defence;
Not providing data for download under INSPIRE

title_header
Laboratory on Geoinformatics and Cartography
–(c) the course of justice, the ability of any person to receive a fair trial or the ability of a
public authority to conduct an enquiry of a criminal or disciplinary nature;
–(d) the confidentiality of commercial or industrial information, where such confidentiality is
provided for by national or Community law to protect a legitimate economic interest, including the
public interest in maintaining statistical confidentiality and tax secrecy;
–(e) intellectual property rights;
Not providing data for download under INSPIRE…a long list

title_header
Laboratory on Geoinformatics and Cartography
–(f) the confidentiality of personal data and/or files relating to a natural person where that
person has not consented to the disclosure of the information to the public, where such
confidentiality is provided for by national or Community law;
–(g) the interests or protection of any person who supplied the information requested on a
voluntary basis without being under, or capable of being put under, a legal obligation to do so,
unless that person has consented to the release of the information concerned;
–(h) the protection of the environment to which such information relates, such as the location of
rare species.”
Not providing data for download under INSPIRE…a really long list

title_header
Laboratory on Geoinformatics and Cartography
•Question: How do I know whether I have to pay for data or whether they are free of charge?
–Sure, in metadata describing those data
–
•Article 14: “Where public authorities levy charges for the services referred to in points (b), (c)
or (e) of Article 11(1), Member States shall ensure that e-commerce services are available. Such
services may be covered by disclaimers, click-licences or, where necessary, licences.”
•What does that mean?
•
What about payments?

title_header
Laboratory on Geoinformatics and Cartography
•Equals to ISO 19142
–ISO 19142 equals to the OGC Web Feature Service 2.0.0
•Only version 2.0.0!
•
•Implemented together with ISO 19143
–ISO 19143 equals to the OGC Filter Encoding 2.0.0 implementation specification
–
•Standard for e-shop of GI products
–Still none, discussion about OGC e-commerce services
INSPIRE Download service

title_header
Laboratory on Geoinformatics and Cartography
1.Through a “thin” client
–typically a Web browser…however, you have to exactly what to type and what to see
–
–
–
2.Through a “thick” client
–e.g. GIS software, common for GI professionals
•
Two possibilities of connecting to a download service

title_header
Laboratory on Geoinformatics and Cartography
•Again, all this is originating from INSPIRE legislation (the same as for discovery services
•
•
•
•
•
•COMMISSION REGULATION (EC) No 1088/2010 of 23 November 2010 amending Regulation (EC) No 976/2009
as regards download services and transformation services
•http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex:32010R1088
Legislation background

title_header
Laboratory on Geoinformatics and Cartography
•Type in
http://services.cuzk.cz/wfs/inspire-cp-wfs.asp?service=WFS&version=2.0.0&request=GetFeature&typenam
es=CadastralBoundary&BBOX=-599098,-1159750,-598602,-1159520&srsName=urn:ogc:def:crs:EPSG::5514
Let’s make it complex…a use case with Web browser

title_header
Laboratory on Geoinformatics and Cartography
•Get Download Service Metadata
•Get Spatial Data Set
•Describe Spatial Data Set
•Link Download Service
–
•
Operations of an INSPIRE download service
Is it an OGC compliant service?

title_header
Laboratory on Geoinformatics and Cartography
•A direct access download service extends the functionality of a pre-defined dataset download
service to include the ability to query and download subsets of datasets. The direct access
download service allows more control over the download than the simple download of a pre-defined
dataset or pre-defined part of a dataset. It can therefore be considered to be more „advanced‟ than
pre-defined dataset download. In this case, the spatial information is typically stored in a
repository (e.g. a database) and only accessible through a middleware data management system
(although the precise implementation may vary). The term direct access is used to mean the
capability of a client application or client service to interact directly with the contents of the
repository, e.g. by retrieving part s of the repository based upon a query. The query can be based
upon spatial or temporal criteria, or by specific properties of the instances of the spatial object
types contained in the repository.
Second possible approach
Do you understand it?

title_header
Laboratory on Geoinformatics and Cartography
•Get Spatial Object
–i.e. GetFeature/GetCoverage according to the OGC
•Describe Spatial Object Type
–i.e. DescribeFeatureType/DescribeCoverageType according to the OGC
–
•
Direct access download service

title_header
Laboratory on Geoinformatics and Cartography
•For instance, http://services.cuzk.cz/gml/inspire
•
•
“Indirect” access INSPIRE download service

title_header
Laboratory on Geoinformatics and Cartography
•Result: NO INSPIRE/GML KNOWLEDGE, NO DATA
•
•
“Indirect” access INSPIRE download service

title_header
Laboratory on Geoinformatics and Cartography
Direct access download service

title_header
Laboratory on Geoinformatics and Cartography
•Much more downloadable data under INSPIRE than discovered through the INSPIRE Geoportal •Several
agreements, such as with European Space Agency (ESA) http://www.vito-eodata.be
Even more downloadable data

title_header
Laboratory on Geoinformatics and Cartography
•Again defined in legislation
•For the Get Download Service Metadata operation, the response time for sending the initial
response shall be maximum 10 seconds in normal situation. •For the Get Spatial Data Set operation
and for the Get Spatial Object operation, and for a query consisting exclusively of a bounding box,
the response time for sending the initial response shall be maximum 30 seconds in normal situation
then, and still in normal situation, the download service shall maintain a sustained response
greater than 0,5 Megabytes per second or greater than 500 Spatial Objects per second.
Quality of service

title_header
Laboratory on Geoinformatics and Cartography
•For the Describe Spatial Data Set operation and for the Describe Spatial Object Type operation,
the response time for sending the initial response shall be maximum 10 seconds in normal situation
then, and still in normal situation, the download service shall maintain a sustained response
greater than 0,5 Megabytes per second or greater than 500 descriptions of Spatial Objects per
second. •The probability of a Network Service to be available shall be 99 % of the time.
Quality of service

title_header
Laboratory on Geoinformatics and Cartography
Quality of service…still the same
Uptime [%]
Maximum downtime
Per week
Per month
Per year
95
8.4 hours
36.00 hours
18.25 days
98
3.4 hours
14.40 hours
7.30 days
99
1.7 hours
7.27 hours
3.63 days
99.9
10 minutes
0.73 hours
8.76 hours