activities for iso/tc 211 19100 series standards in china jiang jingtong national geomatics center...
TRANSCRIPT
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Activities for ISO/TC 211 19100 Activities for ISO/TC 211 19100 series standards in Chinaseries standards in China
Jiang Jingtong
National Geomatics Center of China
Email: [email protected]
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Geographic information standardization is an important part in GIS research, development and applications. It is also important for data sharing.
Activities for ISO/TC 211 19100 series standards are also important in China. People pay more attention on it now.
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Main activities
• Adapt or adopt ISO 19100 standards
• Translate ISO standards into Chinese
• Develop the website
• ……
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1. Transforming the ISO 19100 series 1. Transforming the ISO 19100 series standards into Chinese national standards into Chinese national standards and training usersstandards and training users
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• China has the law for using ISO international standards
• Two ways for using ISO international standards:
Adopt
Adapt
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The National Standards below are being developed in China:
• Adopt the ISO 19105 Geographic information –
Conformance and testing
• Adapt the ISO 19115 Geographic information –
Metadata
• Adapt the ISO 19113 and ISO 19114 Geographic
information – Quality principles
Quality evaluation procedures
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• Create profiles from Adapted ISO 19115 Geographic
information – Metadata for different communities,
such as:
-- The SBSM (National Fundamental Geographic
Information System, NFGIS)
-- The Ministry of Land and Resources of China
-- The Ministry of Construction of China
-- The CAS
-- ……
• Develop software for metadata collection, management
and maintain
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• More and more ISO 19100 series standards developed by ISO/TC 211 will be adapted or adopted
• Workshop or seminal for understanding ISO 19100 series standards were, and will be held
• Training class of ISO 19100 series standards has been planed
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2. Problems for translating the ISO 2. Problems for translating the ISO 19100 series standards into Chinese19100 series standards into Chinese
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• The Guide to International Standards for Geographic Information (Vol. 1) will be published in Chinese in March next year
• It contains the 19 drafts of the ISO 19100 series standards (from 19101 to 19120)
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• Translate the newest draft of the ISO 19101 to 19120 standards for several times
• Copyright of ISO standards is one of the problems for publishing
• Some terms could not be translated into Chinese perfectly, for example: coverage, functional standards, profile, …
• Some term definitions are still not the same between different documents of ISO 19100 series standards, such as ‘data type’, ‘feature’, …
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Definition of the term ‘data type’
specification of a value domain with operations allowed on values in this domain
EXAMPLE Integer, Real, Boolean, String, Date and SG Point (conversion of a data into a series of codes).
NOTE Data types include primitive predefined types and user-definable types.
From ISO/PDTR 19103 (211n1082)
specification of the legal value domain and legal operations allowed on values in this domain
EXAMPLE Integer, Real, Boolean, String, Date, and SG_Point
NOTE A data type is identified by a term, e.g. Integer
From ISO/DIS 19115 (211n1359)
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Definition of the term ‘data type’(cont’d)
specification of a value domain with operations allowed on values in this domain [ISO/TS 19103]
EXAMPLE Integer, Real, Boolean, String and Date.
NOTE A data type is identified by a term, e.g. Integer. Values of the data types shall be of the specified value domain, e.g. all integer numbers between –65537 and 65536. The set of operations can be +, -, / and * and shall have a well defined semantic. A data type can be simple or complex. A simple data type defines a value domain where values are considered atomic in a certain context, e.g. Integer. A complex data type is a collection of data types, which are grouped together. A complex data type may represent an object and can thus have identity.
From ISO/DIS 19118 (211n1316)
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Definition of the term ‘feature’
abstraction of real world phenomena
NOTE A feature may occur as a type or an instance. Feature type or feature instance shall be used when only one is meant.
From ISO_DIS_19101_(E)
abstraction of real world phenomena
NOTE 1 A feature may occur as a type or an instance. Feature type or feature instance should be used when only one is meant.
NOTE 2 In UML [23, 24, 30] a feature is a property, such as operation or attribute, which is encapsulated as part of a list within a classifier, such as interface, class or data type.
From ISO/PDTR 19103(211n1082)
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Definition of the term ‘feature’(cont’d)
abstraction of real world phenomena [ISO 19101]
NOTE A feature may occur as a type or an instance. Feature type or feature instance should be used when only one is meant.
From ISO_DIS_19107_(E), 19112_(E), 19118
abstraction of real world phenomena
NOTE A feature may occur as a type or an instance. Feature type or feature instance should be used when only one is meant. [ISO 19101]
From ISO_DIS_19108_(E)
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Definition of the term ‘feature’(cont’d)
abstraction of real world phenomena
NOTE A feature may occur as a type or an instance. Feature type or feature instance should be used when only one is meant.
From ISO_DIS_19109_(E), 19113
abstraction of real world phenomena with common properties
EXAMPLE The phenomenon ‘Eiffel Tower’ may be classified with other similar phenomena into a feature type ‘tower’.
NOTE In a feature catalogue, the basic level of classification is the feature type.
From ISO_DIS_19110_(E)
abstraction of real world phenomena
From ISO_DIS_19117_(E)
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3. Introduction the website of the ISO/TC 211 Secretariat of China National Body
http:/nfgis.nsdi.gov.cn/isotc211
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• Get approval and comments from the
ISO/TC 211 Secretariat and the ISO
secretariat of China
• Referenced from the ISO/TC 211 website
• Published in April, 2002.
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metadata
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Location based services
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• There are about 30,000 persons have visited the website
• More and more users contact the ISO/TC 211 Secretariat of China National Body through the website
• It will be continuously updated
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Thank You !Thank You !