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How to extract overlapping geometries

  • 26 October 2021
  • 2 replies
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Z
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Hello Sir/ Madam,

​

I am trying to check if the input "units" and within " floors".

​There are two floors and many units, which they both have "base level" attribute.

​

The following are what I would like to find out separately.

​

1) units that are completely outside of each floors

2) units that touch the floor boundary yet part of the portion is outside the floors

 

I am not sure how to do ​let FME know how to process each baselevel ( 4.53 and 10.3) in this case one by one.

 

The attached documents are in shapefile. I also attached my fmw in here.

​

Could someone please tell me what I did wrong?

 

Thank you in advance. 🙂

 

Zach

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Best answer by jonathanklarup 28 October 2021, 13:47

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J
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Hey Zach,

I'd do it so :

Spatial filter

Floors as filter

Units as Candidate

1) "Filter is OGC-Disjoint From Candidate" = All units will fail cause none are completely outside of each floors

2) "Filter OGC-Contains Candidate" might do the job, if units are not contained by the floor, they have a portion outside..

2) could also be clipper and see if there are remnants.

 

Process each baselevel would be:

check off the Group Processing and Group by baselevel.

👍

 

Z
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thank you very much! Will try it soon! :)

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