The Finnish ‘DigiRoad’ Dataset in EuroRoadS Schema Lassi Lehto Finnish Geodetic Institute.
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Transcript of The Finnish ‘DigiRoad’ Dataset in EuroRoadS Schema Lassi Lehto Finnish Geodetic Institute.
![Page 1: The Finnish ‘DigiRoad’ Dataset in EuroRoadS Schema Lassi Lehto Finnish Geodetic Institute.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b667f8b9ab0599b039e/html5/thumbnails/1.jpg)
The Finnish ‘DigiRoad’ Dataset in EuroRoadS Schema
Lassi LehtoFinnish Geodetic Institute
![Page 2: The Finnish ‘DigiRoad’ Dataset in EuroRoadS Schema Lassi Lehto Finnish Geodetic Institute.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b667f8b9ab0599b039e/html5/thumbnails/2.jpg)
AgendaDigiRoadSchema mappingTranslating WFS experimentToolsFurther tests
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DigiRoad
New dataset of the Finnish road networkContains all roads and streets
Also cycling and pedestrian pathsCentralised database 555 € / whole country, for non-commercial use
ContributorsFinnish Road AdministrationNational Land SurveyLocal authoritiesActual operation by private sector
http://www.digiroad.fi/en_GB/
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2
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DigiRoad
GDF –basedDelivery in two forms
1. With linear referencing (dynamic segmentation)2. With directly attached attributes
1Segment - Speed limit
TrafficElement - Functional class Attributes
copied
Attributes copied
Geometries copied
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Schema mappingDone manuallyBased mostly on
Textual description of DigiRoadEuroRoadS D 6.3: Road Network Information ModelEuroRoadS GML Application Schema 3.1
No UML available for DigiRoadNo tools to work with Visio, EA, RR filesXMI in Eclipse with XML Modeler
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Schema mapping
TrafficElement ER_RoadLinkroadType = 1 or 2 or 3
ER_FerryLinkroadType = 6
![Page 11: The Finnish ‘DigiRoad’ Dataset in EuroRoadS Schema Lassi Lehto Finnish Geodetic Institute.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b667f8b9ab0599b039e/html5/thumbnails/11.jpg)
Schema mapping
TrafficElement ER_RoadLink
ER_ObjectIdreference_ID
GUID of the original trafficElement - not unique in delivery form 2
curvethe_geom
lat / lon coordinates projected coordinatesMultiLineString LineString
![Page 12: The Finnish ‘DigiRoad’ Dataset in EuroRoadS Schema Lassi Lehto Finnish Geodetic Institute.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b667f8b9ab0599b039e/html5/thumbnails/12.jpg)
Schema mapping
TrafficElement ER_RoadLink
level”ER_RoadElement”
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Schema mapping
TrafficElement ER_RoadLink
formOfWaytype1 := ER_Motorway2 := ER_MultiCarriageway3 := ER_SingleCarriageway4 := ER_RoundaboutCircle6 := ER_EncosedTrafficArea8 := ER_SlipRoad10 := ER_ServiceRoad13 := other: Area reserved for pedestrians14 := other: Cycling path17 := other: Moottoriliikennetien osa
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Schema mapping
TrafficElement ER_RoadLink
nationalRoadClassnational1 := MainRoadS2 := FirstClass3 := SecondClass4 := ThirdClass0 := UndefinedNationalRoadClass
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Schema mapping
Segment
ER_RoadLink
ER_SpeedLimit
speedLimit
TrafficElement
Geometric matching
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Schema mapping
TrafficElement ER_FerryLink
level”ER_FerryConnection”
formOfFerry”ER_ShipOrHovercraft”
roadType = 6
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Schema mapping
Segment ER_RoadNodedynType = 9
ER_ObjectIdreference_ID
level”ER_Junction”
formOfNode”other: TrafficLight”
locationthe_geom
lat / lon coordinates projected coordinatesMultiLineString Point
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Translating WFS
PostGISPostgreSQL
GeoServer
XSLT-QueryXSLT-GML
WFS-TXalan
JTS
WMSXalan
XSLTGML-SVG
Xerces
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PerformanceWhen geometric matching included
1.5 ms / Feature with a small dataset (0.1 MB) 3.1 ms / Feature with a big dataset (1.5 MB)
Without geometric operationsNearly constant 1.0 ms / Feature
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2.3 s
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Further experimentsAltova MapForce
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Further experimentsStreaming Transformations for XML (STX)
SAX-basedOnly local operationsBig documents not a problemFast
Java implementation: Joosthttp://stx.sourceforge.net/