Writing Schema based GML with FME
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CONNECT. TRANSFORM. AUTOMATE.
Writing Schema based GML with FME Sören Dupke Software Engineer
Introduction
! Employed at con terra GmbH since 2010
! Spatial ETL Professional Services
! FME Certified Trainer since 2011
! FME Certified Professional since 2013
CONNECT. TRANSFORM. AUTOMATE.
A few Words about GML
! Why is it important for us ! What´s the difficulty
GIS <GML>
GML
! OGC and ISO Standard ! XML Schema for the exchange of spatial data ! Rich set of primitives:
! Features ! Geometry ! Coordinate reference system ! Time ! UoM
GML Application Schema
! Describes the domain of interest > e.g. : Transport, Hydrography…
! Uses GML primitives > Attributes, Geometry, …
! Examples: > AIXM, INSPIRE, NAS, CityGML
GML before 2014
Reading GML Writing GML
Reading GML in FME
! GML Reader ! Predefined application
schemas ! Format specific
Writing Schema based GML
! Import Feature Types from GML Schema
Demo Cadastral Parcels
Geometry Handling
! Geometry name and GML element have to match ! Multiple geometries
supported
Demo Cadastral Parcels
Multiplicities
! Lists
Demo Cadastral Parcels
Embedded FeatureTypes
! gml_parent_id references back to parent
Experience from Projects
! INSPIRE@BfN ! First project use of the new writer
! INSPIRE Solution Pack 2.0 ! Uses GML writer ! Fast and flexible solution for creating INSPIRE GML
Thank You!
! Questions?
! For more information: ! Sören Dupke, [email protected] ! con terra GmbH
CONNECT. TRANSFORM. AUTOMATE.