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Question

Overlapping clippers

  • November 14, 2012
  • 6 replies
  • 20 views

redgeographics
Celebrity
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I'm using overlapping clipping features and I'd like any clippee features that are either INSIDE or CLIPPED_INSIDE more than one clipper feature to receive the attributes from all clipper features they're affected by. I thought I'd done this succesfully before, but it looks like I can't get it to work, the clippee's get the attributes from the first clipper feature, if they're vector features. Rasters behave exactly as I want them to.

6 replies

redgeographics
Celebrity
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  • Author
  • Celebrity
  • November 14, 2012
Forgot to add: "does anybody have an idea how to solve this?"

fmelizard
Safer
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  • Safer
  • November 14, 2012
Did you try rasterizing your vectors?

wisegis
Contributor
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  • Contributor
  • November 14, 2012
Have you made sure you are running multple clippers in the parameters of the Clipper transformer.  Also, I would right click on the writer and add (copy) the attributes from the feature class in question.  

redgeographics
Celebrity
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  • Author
  • Celebrity
  • November 14, 2012
@Itay: not an option, I need both vector and raster data.

 

 

@Clay: Yes, set to multiple clippers. It's putting the attributes through just fine, that's not the issue, it just seems that when a feature is affected by more than one clipper it's only clipping to the first one and ignoring the others.

sigtill
Supporter
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  • Supporter
  • November 14, 2012
Which version of FME are you using (2012 or 2013?). I had some problems with the Clipper in 2013 - however can not find my notes regarding that.

 

 

I also assume you have unchecked/checked the option:

 

 

Create Aggregates

"If the Create Aggregates parameter is No, then features that are clipped into multiple parts will not be aggregated, but rather each part will be output as a separate feature."

 


redgeographics
Celebrity
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  • Author
  • Celebrity
  • November 14, 2012
@Sigtill, it seems to be happening from FME 2011 SP4 all the way to 2013. Yes, I did look at that Create Aggregates option, but that's not making any difference for my problem.

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