I am working on a project where I have set state park buildings and I want to show the closest road to them. I also need to show the distance from each end of the road segments to the building. My plan is to use the geographic neighbor finder to locate closest road. I was planning to use the park buildings as base and the roads file i have as candidates. I just want to know if I am on the right path. By the end of it I want to be able to show the distance from both end nodes of each road segment to the building. I guess that part is confusing me still.
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If you have a Unique ID on the roads prior to sending them to the GeographicNeighborFinder, you can then use a matcher or FeatureMerger to identify the only the roads that are closest to a building. Then replace your road segment with the start/end node (CoordinateExtractor, VertexReplacer) and use the GeographicNeighborFinder with the points as Base and Buildings as Candidates.