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Question

How to combine two CityGML files into one?

  • September 19, 2017
  • 4 replies
  • 105 views

Hi,

I am trying to create one CityGML file based on two others. Both have the same CRS.

I am not sure if I have to use transformers and if yes which ones?

It did not work with only two readers and one writer.

Maybe there is a solution by using XML-Transformers and the "CityObjectMember".

 

It sounds like an easy task but I am new to FME.

By the way, I am using FME Desktop 2017.1

 

Thanks,

 

 

The Cartographer ;-)

 

 

4 replies

daveatsafe
Safer
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  • Safer
  • September 19, 2017
Hi @thecartographer,

 

A workspace that reads form both CityGML files and writes to a new one should work fine. What problems are you seeing with your output CityGML file? Would you be able to share your workspace and source CityGML files with me?

 


daveatsafe wrote:
Hi @thecartographer,

 

A workspace that reads form both CityGML files and writes to a new one should work fine. What problems are you seeing with your output CityGML file? Would you be able to share your workspace and source CityGML files with me?

 

Thank you for your quick reply!

 

I tried again and it works now.

 

 

My next step is to add a geotiff file (DEM) to the exisiting CityGML file.

 

Is there anything I have to consider?

 

 

greetings,

 

The Cartographer

 

 

 


daveatsafe
Safer
Forum|alt.badge.img+19
  • Safer
  • September 20, 2017
thecartographer wrote:
Thank you for your quick reply!

 

I tried again and it works now.

 

 

My next step is to add a geotiff file (DEM) to the exisiting CityGML file.

 

Is there anything I have to consider?

 

 

greetings,

 

The Cartographer

 

 

 

CityGML needs a surface rather than the raster you are going to get from the GeoTIFF files, so I would use a SurfaceModeller to create a surface from the GeoTIFF input before writing to CityGML.

 

 


daveatsafe
Safer
Forum|alt.badge.img+19
  • Safer
  • September 21, 2017

A workspace that reads from both CityGML files and writes to a new one should work fine.


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