Switch back to explicit conversion to LG in all simple overrides

ext/GeometryOpsLibGEOSExt/simple_overrides.jl

@@ -7,51 +7,56 @@ require conversion before calling.
 # ## Polygon set operations
 # ### Difference
 function GO.difference(::GEOS, geom_a, geom_b; target=nothing)
-    return LG.difference(geom_a, geom_b)
+    return LG.difference(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Union
 function GO.union(::GEOS, geom_a, geom_b; target=nothing)
-    return LG.union(geom_a, geom_b)
+    return LG.union(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Intersection
 function GO.intersection(::GEOS, geom_a, geom_b; target=nothing)
-    return LG.intersection(geom_a, geom_b)
+    return LG.intersection(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
+end
+# ### Symmetric difference
+function GO.symdifference(::GEOS, geom_a, geom_b; target=nothing)
+    return LG.symmetric_difference(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 
 # ## DE-9IM boolean methods
 # ### Equals
 function GO.equals(::GEOS, geom_a, geom_b)
-    return LG.equals(geom_a, geom_b)
+    return LG.equals(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Disjoint
 function GO.disjoint(::GEOS, geom_a, geom_b)
-    return LG.disjoint(geom_a, geom_b)
+    return LG.disjoint(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Touches
 function GO.touches(::GEOS, geom_a, geom_b)
-    return LG.touches(geom_a, geom_b)
+    return LG.touches(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Crosses
 function GO.crosses(::GEOS, geom_a, geom_b)
-    return LG.crosses(geom_a, geom_b)
+    return LG.crosses(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Within
 function GO.within(::GEOS, geom_a, geom_b)
-    return LG.within(geom_a, geom_b)
+    return LG.within(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Contains
 function GO.contains(::GEOS, geom_a, geom_b)
-    return LG.contains(geom_a, geom_b)
+    return LG.contains(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Overlaps
 function GO.overlaps(::GEOS, geom_a, geom_b)
-    return LG.overlaps(geom_a, geom_b)
+    return LG.overlaps(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### Covers
 function GO.covers(::GEOS, geom_a, geom_b)
-    return LG.covers(geom_a, geom_b)
+    return LG.covers(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
 end
 # ### CoveredBy
 function GO.coveredby(::GEOS, geom_a, geom_b)
-    return LG.coveredby(geom_a, geom_b)
-end
+    return LG.coveredby(GI.convert(LibGEOS, geom_a), GI.convert(LibGEOS, geom_b))
+end
+