feature cataloguing , examples
DESCRIPTION
Unless suppliers and users of geographic data have a shared understanding of the kinds of real world phenomena represented by the data, users will be unable to judge whether the data supplied are fit for their purpose. ISO TC211 Standardisation Workshop, - PowerPoint PPT PresentationTRANSCRIPT
Unless suppliers and users of geographic
data have a shared understanding of the kinds of real world
phenomena represented by the data, users will be
unable to judge whether the data supplied are fit for their purpose.
Feature cataloguing, examples
Harald Stavestrand,
Kom Phenthi Heng Xat
16.09.2008
ISO TC211 Standardisation Workshop,
Vientiane Lao PDR, 15 -19 September 2008
Geospatial-related standards may be categorized as:
• Content standards,• Access standards ore
• Exchange standards
Content standards:
Including
• land use codes
• surveyor codes
• data dictionaries for cadastre
• geographical place names
• bathymetry
• etc
Access standards:
Including:
• ISO 19100 series (Geographic information),• ISO 23950 (Information Retrieval―Z39.50), • Most of the OpenGIS standards
Exchange standards:
Including:• Geography Markup Language (GML)• ScalableVector Graphics (SVG)• Uniform Resource Identifiers (URIs aka URLs)
perhaps also:• ESRI shapefile• Autodesk *.dxf
Metadata
Data product specification Quality Services
Feature cataloguing
Spatial referencing by coordinates
19110 - Methodology for feature cataloguing
•ISO_DIS_19110[1].pdf
•ANZLIC Metadata Guidelines v2.pdf•standardised_national_feature_codes[1].pdf•icsm_hdm_feature_catalogue_v2004.mdb
“Mekong River Base GIS data” and “5_cities map data“
I like to think of a feature catalogue for GIS database as the legend of a ordinary map.
The Features in the
”Mekong River Base GIS-data”
The Feature Attribute Names in the ”Mekong River Base GIS-data”
The Feature Attribute Values in the ”Mekong River Base GIS-data”
icsm_hdm_feature_catalogue_v2004.mdb
A feature_catalogue database consist of tables
The heart of a database is tables linked together
This one should be according to ISO_DIS_19110.pdf
The 5 cities from Finmap
The Features in “the 5 city maps” from Finmap
The Feature Attribute Names
The Feature Attribute Values
The Features in Vientiane map of “The 5 cities”
“Area_polygon”
B. FAY
B. SAYLOM
B. SISAVAT
B. KAOGNOT
B. HATSADI
B. SISAKET
B.DONGPALANB. XIANGGNUN
B. SIDAMDOUAN
B. THONGKHANKHAM
B. Fay
B. Anou
B. Mixai
B. Saylom
B. Haysok
B. Sisaket
B. Kaognot
B. Nongchan
B. Xianggnun
B. Sisavat-Tai
B. Hatsadi-Nua
B. Hatsadi-Tai
B. Sisavat-Kang
B. Thongkhankham-Nua
B. Thongkhankham-Tai
Fay
Ar nou Sy lom
Hy sauk
Mea say
Kaognod
Si sa kate
Xieng nhuen
Sisavardkang
Si sa vard tay
Khoua luang nuea
Harth sa dee nuea
Harthb sa dee tay
Thong khan kham tay
Thong khan kham nuea
Fay
Si sa kate
Xieng nhuen
The Features in Vientiane map of “The 5 cities”
Area_polygonRoadVNameOther
• Feature names some times called
layer, coverage, themes etc
• Feature attributes some times called
fields, attributes
• Feature attribute values some times called
object types, types, objects, features, codes, values etc
• Instances some times called
feature instances, objects, population, record
Kåp jai !Thank You !
Harald Stavestrand p.t. Lao [email protected]