test/scenes/data/building-with-parallel-streets.wkt

   1 n-south-w |  POINT(1.0031633 2.001023)
   2 n-south-e |  POINT(1.0043359 2.0010068)
   3 n-north-w |  POINT(1.0031511 2.0012655)
   4 n-north-e |  POINT(1.0043238 2.0012493)
   5 w-south |  LINESTRING(1.0031633 2.001023,1.0036943 2.0010149,1.0040717 2.0010203,1.0043359 2.0010068)
   6 w-north |  LINESTRING(1.0031511 2.0012655,1.0036822 2.0012574,1.0040596 2.0012628,1.0043238 2.0012493)
   7 w-building |  LINESTRING(1.0036157 2.0011891,1.0036166 2.0010787,1.0038457 2.0010805,1.0038448 2.001191,1.0036157 2.0011891)