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Hi,

 

I am having difficulty getting the results I want from the NeigborFinder.

 

I am using point data (addresses) and polygons (schools) and I am wanting to see all the addresses that fall within a 2km catchment of each school (including duplicates that are in another school's catchment).

 

I have set the NeighborFinder with the following parameters:

 

Base: Addresses

 

Candidate: School (I have done it this way round as I don't know how many addresses will fall in each catchment)

 

Input: Base & Candidates

 

Maximum Distance: 2000 (National Grid projection in metres)

 

Close Candidate List Name: School

 

Treat Polygons as: Areas

 

I have then used a ListExploder to return every School that is within 2km of an address, however the same address is returned multiple times for a given school. I was wondering why this might be? I should mention that I have also aggregated the polygons before the NeighborFinder (so that each school only contains 1 feature)

 

Any help would be greatly appreciated
Hi,

 

 

I suspect that the "Conflict Resolution" parameter setting in the ListExploder may not be suitable to your purpose.

 

 

Takashi
Hi Takashi,

 

Yeah, you are exactly right, I hadn't realised the "Attribute Accumulation" list in the ListExploder settings. By prefixing the incoming list, I've realised that certain attributes were not being exploded and the first result was just being returned.

 

Thanks for your help,

 

Ed

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