5 Minute Intro to Stetl

•

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Just van den Broecke

5-minute intro to Stetl an Open Source lightweight framework for handling the conversion and transformation (ETL) of in particular complex/rich GML. Stetl uses and combines existing tools like GDAL/OGR and XSLT. Python is used as glue. Users configure an ETL-process chain through a configuration. More at http://stetl.org

Taming Rich GML
with Stetl
Just van den Broecke
5 minute presentation at OSGeo.nl Stammtisch Wageningen
November 7, 2012
www.osgeo.nl
www.justobjects.nl

We have a
Problem

The Rich GML
Problem

Rich GML = Complex Mess

INSPIRE
BAG
BGT
Top10NL
.

The Streetname!

Complex
Model
Transformations

Millions
of
Objects

10s of Millions
of
<Elements>

Multiple
Transformation
Steps

Solution is
Spatial ETL

A.K.A.

ThankYou
for your
Attention!

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

FOSS ETL - High Level

FOSS ETL - Lower Level
But Each Powerful by Itself
ogr2ogr

FOSS ETL - DIY ? (No!)

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

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

=+ +
Stetl
( )
ogr2ogr

Stetl
=
Simple
Streaming
Spatial
Speedy
ETL

Process Chain
Input Filter Output
gml
Filter

Speed: Streaming
Input Filter Output
gml

Speed: Going Native
Input Filter Output
gml
ogr2ogr stETL
Native C Libs/Progs
Calls

Example: GML to PostGIS
Reader
XML
Splitter
ogr2ogr
gml

Example: INSPIRE Model Transform
ogr2ogr XSLT Writer
gml

Example: deegree Store
ogr2ogr XSLT
deegree
Writer

Process Chain - How?
Input Filters Output

Example: XML to Shape
The Source

Example: XML to Shape
First: XSLT Transform to GML

Example: XML to Shape
XML
Input
XSLT ogr2ogr

Example: XML to Shape
The Stetl Chain Conﬁg File
Process
Chain
Reader
XSLT
ogr2ogr

ThankYou !
http://stetl.org

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Presented together with Jan-Willem van Aalst and Frank Steggink at the Dutch CartoDay, March 15, 2017. See full program here: http://www.cartodag.nl/programma-cartodag-2017. Subject was how to eventually create online topographical maps from Open but Raw datasets: how to transform (ETL), create maps (QGIS), and publish on the web using Open Source service components like MapServer and MapProxy via http://map5.nl Abstract in Dutch: Om bruikbare kaarten te maken is tegenwoordig veel goede open geodata beschikbaar. Maar wat komt er allemaal bij kijken om dat zo praktisch mogelijk te doen? Deze sessie neemt je mee in de levenscyclus van open geodata met tooling zoals NLExtract , GDAL en QGIS . Een greep uit wat er langs komt in dit uur: het maken van PostGIS databases uit PDOK data; het maken van hillshading (reliëfschaduw) uit de AHN2/3; het maken van de OpenTopo kaartbeelden uit combinaties van PDOK bestanden; en het tegelen en opnieuw publiceren van allerlei kaartproducten, bijvoorbeeld op map5.nl .

De Levenscyclus van Open Geodata met Open Source Tools

De Levenscyclus van Open Geodata met Open Source Tools

De Levenscyclus van Open Geodata met Open Source Tools

Just van den Broecke

NLExtract Project - OGT Award Pitch GeoBuzz 2016

NLExtract Project - OGT Award Pitch GeoBuzz 2016

NLExtract Project - OGT Award Pitch GeoBuzz 2016

Just van den Broecke

Slides presented by me on behalf of Geonovum and the project on the Geospatial Sensor Webs conference 2016 organized by 52North in Münster, Germany: http://52north.org/about/other-activities/geospatial-sensor-webs-conference The slides give an overview of the Smart Emission project with a focus on the data infrastructure, data management (ETL) and providing access to sensor data via OGC-standards (SOS, WMS, WFS, STA).

Smart Emission - Citizens measuring Air Quality - Overview

Smart Emission - Citizens measuring Air Quality - Overview

Smart Emission - Citizens measuring Air Quality - Overview

Just van den Broecke

High-level presentation on the Data-infastructure for project-team and participating citizens at Radboud Univeristy Nijmegen, may 26, 2016 for the Smart Emission project: "Het Smart Emission project draait om het in kaart brengen van luchtkwaliteit, geluid, trillingen en meteorologische indicatoren in de stad op een fijnmazig schaalniveau, door inwoners met zogenoemde burger-sensor-netwerken." (Bron: http://smartemission.nl). Project partners: Radboud Universiteit, Gemeente Nijmegen, Rijksinstituut voor Volksgezondheid en Milieu (RIVM), Geonovum, Intemo, CityGIS and offcourse Nijmegen citizens.

Smart Emission - Data - Viewers - Standards

Smart Emission - Data - Viewers - Standards

Smart Emission - Data - Viewers - Standards

Just van den Broecke

NLExtract voor BAG - overview

NLExtract voor BAG - overview

NLExtract voor BAG - overview

Just van den Broecke

3D Breakthrough Meeting - 3D Standards progress

3D Breakthrough Meeting - 3D Standards progress

3D Breakthrough Meeting - 3D Standards progress

Just van den Broecke

Eng: originally planned as a talk/workshop on hiking with GPS, but evolving into a wider talk about the evolution of navigation and Natural Navigation techniques. See also the main website: http://gps.justobjects.nl. Below Dutch: Plaatsbepaling en navigatie is iets van alle tijden. Zij is mee-geëvolueerd met de mensheid. Vandaag de dag doen we navigatie met GPS via bijv “De TomTom” of steeds vaker via onze Smartphone. We dreigen daarmee echter belangrijke vaardigheden te verliezen zoals kaartlezen en het gebruik van kompas. Maar deze laatste twee middelen waren ook weer een stap in de lange evolutie van Navigatie. Zoals de meesten van jullie weten heb ik veel interesse in de evolutie van de mensheid. In die context heb ik de laatste tijd nagedacht hoe navigatie zich heeft ontwikkeld. Ik zal dit praatje chronologisch opbouwen. Dan komen we vanzelf uit bij "Wandelen met de GPS" waar de nadruk op gaat liggen deze middag.

Wandelen met GPS en De Evolutie van Navigatie

Wandelen met GPS en De Evolutie van Navigatie

Wandelen met GPS en De Evolutie van Navigatie

Just van den Broecke

OSGeo.nl - Year 2014 Highlights

OSGeo.nl - Year 2014 Highlights

OSGeo.nl - Year 2014 Highlights

Just van den Broecke

My talk on the OSGeo.nl Day 2014 on nov 25, 2014, Den Bosch. This event was organized by the OSGeo.nl, the Dutch Language Chapter of OSGeo.org and embedded in the GeoBuzz conference. Main subject is how to transform and visualize (unlock) Dutch Open Geo-datasets using open source tools like NLExtract (http://nlextract.nl), Stetl (http://www.stetl.org). In particular, there is a last minute addition on unlocking 3D data, Top10NL3D, using CesiumJS (http://www.cesiumjs.org) , an Open Source browser/WebGL-based 3D visualization framework ala Google Earth (but open and without plugins). The 3D part of this talk was also given the same day at the "3D Doorbraak" workshop (Jantien Stoter et al).

Nederland Ontsloten! OSGeo.nl Dag 2014

Nederland Ontsloten! OSGeo.nl Dag 2014

Nederland Ontsloten! OSGeo.nl Dag 2014

Just van den Broecke

Big Data - Introduction and Research Topics - for Dutch Kadaster

Big Data - Introduction and Research Topics - for Dutch Kadaster

Big Data - Introduction and Research Topics - for Dutch Kadaster

Just van den Broecke

Presenting the status of the "SOSPilot". A SensorWeb/IoT project where raw AirQuality data from The Netherlands is transformed (ETL) into Web Services like WMS-Time/WFS and in particular the OGC Sensor Observation Service (SOS). Project at Geonovum with partners, a.o.: RIVM, 52 North, and IRCEL - CELINE (Belgium). Work in progress, striving for EIONET IPR and INSPIRE compliance. Combined tools like Stetl, PostGIS, HeronViewer, GeoServer, and 52North SWE-line. All FOSS. All promising tools as it all just worked, also thanks to the partners' support, within my 100-hour effort. Find more on http://sensors.geonovum.nl Original version july 2, 2014. Updated with eionet-reporting and Geonovum weather station on okt 27, 2014.

SensorWeb SOS Pilot RIVM/Geonovum - Status

SensorWeb SOS Pilot RIVM/Geonovum - Status

SensorWeb SOS Pilot RIVM/Geonovum - Status

Just van den Broecke

Más de Just van den Broecke (20)

Just's Career Highlights - Version 2

Just's Career Highlights - Version 2

Just's Career Highlights - Version 2

Just's Career Highlights - Version 1

Just's Career Highlights - Version 1

Just's Career Highlights - Version 1

Open Sensor Networks

Open Sensor Networks

Open Sensor Networks

Open Sensor Networks with LoRa TTN and SensorThings API

Open Sensor Networks with LoRa TTN and SensorThings API

Open Sensor Networks with LoRa TTN and SensorThings API

Sensor SDI in PDOK with Smart Emission Platform

Sensor SDI in PDOK with Smart Emission Platform

Sensor SDI in PDOK with Smart Emission Platform

osgeonl-opening-foss4gnl-2018

osgeonl-opening-foss4gnl-2018

osgeonl-opening-foss4gnl-2018

OSGeo.nl-NewYearsParty-2018-Opening

OSGeo.nl-NewYearsParty-2018-Opening

OSGeo.nl-NewYearsParty-2018-Opening

Opening OSGeo.nl Day 2017

Opening OSGeo.nl Day 2017

Opening OSGeo.nl Day 2017

Smart Emission Data Platform

Smart Emission Data Platform

Smart Emission Data Platform

De Levenscyclus van Open Geodata met Open Source Tools

De Levenscyclus van Open Geodata met Open Source Tools

De Levenscyclus van Open Geodata met Open Source Tools

NLExtract Project - OGT Award Pitch GeoBuzz 2016

NLExtract Project - OGT Award Pitch GeoBuzz 2016

NLExtract Project - OGT Award Pitch GeoBuzz 2016

Smart Emission - Citizens measuring Air Quality - Overview

Smart Emission - Citizens measuring Air Quality - Overview

Smart Emission - Citizens measuring Air Quality - Overview

Smart Emission - Data - Viewers - Standards

Smart Emission - Data - Viewers - Standards

Smart Emission - Data - Viewers - Standards

NLExtract voor BAG - overview

NLExtract voor BAG - overview

NLExtract voor BAG - overview

3D Breakthrough Meeting - 3D Standards progress

3D Breakthrough Meeting - 3D Standards progress

3D Breakthrough Meeting - 3D Standards progress

Wandelen met GPS en De Evolutie van Navigatie

Wandelen met GPS en De Evolutie van Navigatie

Wandelen met GPS en De Evolutie van Navigatie

OSGeo.nl - Year 2014 Highlights

OSGeo.nl - Year 2014 Highlights

OSGeo.nl - Year 2014 Highlights

Nederland Ontsloten! OSGeo.nl Dag 2014

Nederland Ontsloten! OSGeo.nl Dag 2014

Nederland Ontsloten! OSGeo.nl Dag 2014

Big Data - Introduction and Research Topics - for Dutch Kadaster

Big Data - Introduction and Research Topics - for Dutch Kadaster

Big Data - Introduction and Research Topics - for Dutch Kadaster

SensorWeb SOS Pilot RIVM/Geonovum - Status

SensorWeb SOS Pilot RIVM/Geonovum - Status

SensorWeb SOS Pilot RIVM/Geonovum - Status

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5 Minute Intro to Stetl

1. Taming Rich GML with Stetl Just van den Broecke 5 minute presentation at OSGeo.nl Stammtisch Wageningen November 7, 2012 www.osgeo.nl www.justobjects.nl

2. We have a Problem

3. The Rich GML Problem

4. Rich GML = Complex Mess

5. INSPIRE BAG BGT Top10NL .

6.

7. The Streetname!

8. Complex Model Transformations

9. Millions of Objects

10. 10s of Millions of <Elements>

11. Multiple Transformation Steps

12. Solution is Spatial ETL

14. ThankYou for your Attention!

15. But... ....FOSS ? ... Stetl...?

16. FOSS ETL - High Level

17. FOSS ETL - Lower Level But Each Powerful by Itself ogr2ogr

18. FOSS ETL - DIY ? (No!)

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

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

21. =+ + Stetl ( ) ogr2ogr

22. Stetl = Simple Streaming Spatial Speedy ETL

23. Process Chain Input Filter Output gml Filter

24. Speed: Streaming Input Filter Output gml

25. Speed: Going Native Input Filter Output gml ogr2ogr stETL Native C Libs/Progs Calls

26. Example: GML to PostGIS Reader XML Splitter ogr2ogr gml

27. Example: INSPIRE Model Transform ogr2ogr XSLT Writer gml

28. Example: deegree Store ogr2ogr XSLT deegree Writer

29. Process Chain - How? Input Filters Output

30. Example: XML to Shape The Source

31. Example: XML to Shape First: XSLT Transform to GML

32. Example: XML to Shape XML Input XSLT ogr2ogr

33. Example: XML to Shape The Stetl Chain Conﬁg File Process Chain Reader XSLT ogr2ogr

34. ThankYou ! http://stetl.org