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How does area on area overlay work in FME?
Performs an area-on-area overlay (intersection of polygons) so that all input areas are intersected against each other and resultant area features are created and output. The resultant areas have all the attributes of the original and any overlapping polygons. View Documentation Try it Free in FME Desktop.
How does the areaonareaoverlayer create new polygons?
It seems that you’re misunderstanding the way the AreaOnAreaOverlayer behaves. It actually intersects the polygons and creates new ones if they intersect. The documentationstates that the tool: Performs an area-on-area overlay so that all input areas are intersected against each other and resultant area features are created and output.
How does an area on area Transformer Gallery work?
FME Transformer Gallery. Performs an area-on-area overlay (intersection of polygons) so that all input areas are intersected against each other and resultant area features are created and output. The resultant areas have all the attributes of the original and any overlapping polygons.
What is the overlap Count of a polygon?
So in this case, those features not overlapping they would have an “-overlap” VALUE of “1”. The Overlap Count Attribute holds the number of features that the resultant feature overlapped, which will be at least one. (extracted from help website: docs.safe.com/fme/2015.0/html/FME_Desktop_Documentation/…
What does floor ( ARG ) do in FME?
Returns the exponential of arg, defined as e to the power of arg. If an overflow occurs, infinity is returned. floor(arg) Returns the largest integer value not greater than arg, in 64-bit. If arg is out of range, null is returned.
What happens when a function returns null in FME?
For all functions that take in a variable number of arguments, arguments that have null, missing, or empty string values are skipped. However, if the variable argument list contains nothing but null, missing, and empty string values, the function returns null.
How long is the free trial for FME?
The resultant areas have all the attributes of the original and any overlapping polygons. Download our fully-functional FME Desktop trial, free for 30 days. No credit card necessary.