1.
Taming Rich GMLwith StetlJust van den Broecke5 minute presentation at OSGeo.nl Stammtisch WageningenNovember 7, 2012www.osgeo.nlwww.justobjects.nl

2.
We have aProblem

3.
The Rich GMLProblem

4.
Rich GML = Complex Mess

5.
INSPIREBAGBGTTop10NL.

6.
The Streetname!

7.
ComplexModelTransformations

8.
MillionsofObjects

9.
10s of Millionsof<Elements>

10.
MultipleTransformationSteps

11.
Solution isSpatial ETL

12.
A.K.A.

13.
ThankYoufor yourAttention!

14.
But.......FOSS ? ... Stetl...?

15.
FOSS ETL - High Level

16.
FOSS ETL - Lower LevelBut Each Powerful by Itselfogr2ogr

17.
FOSS ETL - DIY ? (No!)

18.
FOSS ETL - How to Combine?=+ + ?ogr2ogr

19.
FOSS ETL - Add Python to Equation=+ + ?( )ogr2ogr

20.
=+ +Stetl( )ogr2ogr

21.
Stetl=SimpleStreamingSpatialSpeedyETL

22.
Process ChainInput Filter OutputgmlFilter

23.
Speed: StreamingInput Filter Outputgml

24.
Speed: Going NativeInput Filter Outputgmlogr2ogr stETLNative C Libs/ProgsCalls

25.
Example: GML to PostGISReaderXMLSplitterogr2ogrgml

26.
Example: INSPIRE Model Transformogr2ogr XSLT Writergml

27.
Example: deegree Storeogr2ogr XSLTdeegreeWriter

28.
Process Chain - How?Input Filters Output

29.
Example: XML to ShapeThe Source

30.
Example: XML to ShapeFirst: XSLT Transform to GML

31.
Example: XML to ShapeXMLInputXSLT ogr2ogr

32.
Example: XML to ShapeThe Stetl Chain Config FileProcessChainReaderXSLTogr2ogr

33.
ThankYou !http://stetl.org