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Line disappears after using AreaBuilder

arash_hokm
Contributor
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Hi everyone,

I'm using the AreaBuilder transformer in FME to create polygons from line features. However, I've noticed that some lines disappear after processing. It seems like the AreaBuilder ignores or removes them in certain cases.The lines are neither in the Area nor in Incomplete nor in Rejected.

The lines that have disappeared are marked in yellow.

after Areabuilder

 

before Areabuilder



What could be the reason for this? Are there any settings or common issues that might cause lines to disappear?

Thanks in advance for your help!

Best answer by j.botterill

Hi there, in order to understand the input polygon better, can you select one feature and show the “feature information”. Is the geometry an fme_polygon? can you run a GeometryValidator over all features with Set to issues to Detect = All

Only send the passed feature onto the AreaBuilder

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j.botterill
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  • j.botterillInfluencer
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  • Best Answer
  • March 7, 2025

Hi there, in order to understand the input polygon better, can you select one feature and show the “feature information”. Is the geometry an fme_polygon? can you run a GeometryValidator over all features with Set to issues to Detect = All

Only send the passed feature onto the AreaBuilder

arash_hokm
Contributor
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  • arash_hokmContributor
  • Author
  • Contributor
  • March 10, 2025

​@j.botterill Thank you very much. It worked.

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