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Question

Writing CityGML with custom (!) ADE

  • January 21, 2013
  • 4 replies
  • 53 views
S

Hi there,

 

 

I'm definitely not new to FME, but I am new to this community, so hi there!

 

I have a question concerning CityGML.

 

 

I'm trying to convert data from an Oracle Spatial database to the CityGML format. I followed an example from FMEpedia which I modified for my own purposes. Now everything works quite well, as long as it is 'by the book'.

 

However, I need to write some extra attributes that are part of a custom Application Domain Extension (ADE). 

 

I have a valid XSD that defines the extension attributes, but what should I do next?

 

How can I ensure that FME exposes the custom ADE attributes in the CityGML writer, so I can map my Oracle data to it? 

 

 

I have been playing around with the writer settings (as described in http://docs.safe.com/fme/reader_writerPDF/citygml.pdf) but until now without any success.

 

I would be happy to hear from someone who can give me a hint in the right direction! :)
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4 replies

K
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  • kim
  • January 21, 2013
From my attempts with the CityGML writer, combined with an ADE, I would suggest you create an example output file which has the complete XML exactly as you want it. You could use this to to create correct feature types on the writer (Writer -> Import feature types). After that it's just a matter of finding the correct mapping from Oracle attributes to CityGML attributes. Hope this helps.
S
  • sandman
  • Author
  • January 21, 2013
Thank you Kim (Dutch as well, I see :)), I will try this out!
S
  • sandman
  • Author
  • January 22, 2013
No, it's not IMGeo-CityGML. But thanks for the tip anyway - I'll switch to 2013 soon.
A
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  • anete
  • April 15, 2016

Hello there!

I am working on the same thing now. And similarly - no success. I can find the attributes I need in AttributeCreator (e.g. energy_construction{0}.xlink_href or energy_eaves_height{0}.units) as I connected a file that contains them, but it doesnt write it correctly. In the first case (energy_construction{0}.xlink_href) construction is a relationship with no actual xlink, but it makes on in the output. And in the second case (energy_eaves_height{0}.units) the value i give is not writen as a value, but as unit of measurement (result: <energy:eavesHeight uom="231"/>)

If you figured it out I would be happy if you could share! Thanks!

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