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Question

How could i get lines crossing polygon from two side

  • March 3, 2020
  • 1 reply
  • 7 views

gogopotter90
Contributor
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i have many lines with different id inside the polygon ,some of lines crossed the polygon from both side and some not as picture .

 

overlaps equal 1 in any lines intersected with polygon even if it is intersected from one side or two side

but i want to extract only the lines that intersected only from two side .

i used lineonarea with tolerance automatic but the output overlaps =1

i used spatial relator but always i got the same output with any transformer overlaps =1

it will be nice ,if someone advice me how could i know which lines intersected two times or one time

i used tolerance Automatice but no changes in output

 

Thanks in advance

1 reply

Forum|alt.badge.img+2

@gogopotter90 SpatialRelator should be able to tell you if a line crosses or overlaps a polygon. Check the FME User Documentation on Spatial Relations Defined


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