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Dissolver does not merge all geometries

  • September 19, 2016
  • 2 replies
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Using FME Desktop 2016

When I use the dissolver to merge geometries based on the same id I still get non-unique id polygons. I use the group by parameter on ID.

Why could this be failing?

Best answer by jeroenstiers

Hi @ejmpost

 

The Dissolver removes common boundaries. If there are no common boundaries while the id is the same (the geometries do not 'touch'), the Dissolver will not merge both.

You might want to take a look at the Aggregator

Good luck!

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  • Best Answer
  • September 19, 2016

Hi @ejmpost

 

The Dissolver removes common boundaries. If there are no common boundaries while the id is the same (the geometries do not 'touch'), the Dissolver will not merge both.

You might want to take a look at the Aggregator

Good luck!


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  • Author
  • September 19, 2016
jeroenstiers wrote:

Hi @ejmpost

 

The Dissolver removes common boundaries. If there are no common boundaries while the id is the same (the geometries do not 'touch'), the Dissolver will not merge both.

You might want to take a look at the Aggregator

Good luck!

Hi,

Solved it by using a combination of the dissolver and aggregator.


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