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Convert SHP to TopoJSON

  • January 20, 2022
  • 3 replies
  • 166 views
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Hello Dears,

Im new to FME.

 

I would like to convert SHP to TopoJSON. Is there any special transformers to use for this process or any customization required.

I tried with simple attribute manager but the converted data is just a line.

 

could you please help anyone

 

SC attached

 

image 

Best answer by markatsafe

@chithramc​ I believe that GeoJSON (and TopoJSON) only support geographic coordinate systems - i.e. LL-WGS84. Try switching the target coordinate system to LL-WGS84 in your workspace rather than AinElAbd.BahrainGrid

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3 replies

M
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  • markatsafe
  • 1891 replies
  • January 20, 2022

@chithramc​ Welcome to FME. Do you need to reproject the data? By default GeoJSON is in geographic lat/long. So if your source SHAPE data is in a different coordinate projection you'll have to reproject. Just add LL-WGS84 to the TopoJSON writer in the workbench Navigator.

If that is not the issue, then perhaps attach a small sample of your data so someone can investigate a bit further.

M
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  • markatsafe
  • 1891 replies
  • Best Answer
  • January 21, 2022

@chithramc​ I believe that GeoJSON (and TopoJSON) only support geographic coordinate systems - i.e. LL-WGS84. Try switching the target coordinate system to LL-WGS84 in your workspace rather than AinElAbd.BahrainGrid

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  • chithramc
  • Author
  • 6 replies
  • January 22, 2022

@chithramc​ I believe that GeoJSON (and TopoJSON) only support geographic coordinate systems - i.e. LL-WGS84. Try switching the target coordinate system to LL-WGS84 in your workspace rather than AinElAbd.BahrainGrid

Thank you Mr Mark,

 

Your answer was very accurate and help to solve my issue. ✌️

 

regards

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