Hello everyone,
I need help with polygons and multipolygons with my geometry, i read shape file if that is important
1. Which transformer should i use, or how can i see if my geometry is polygon or multipolyon ?
2. How can i change type from polygon to multipolygon, what should i use for that change?
Question
from polygon to multipolygon
+2- Contributor
Hi
You can use AggregateFilter or GeometryFilter to determine if the geometry is Area or MultiArea, and use Aggregator to change Area to MultiArea.
+2- Contributor
Hi
Can you please tell me what parameters should i use in aggregator
I connect geometry filter first, and i get Area, so what should i do next?
Thank you in advanced
Check Group Processing, then
- Group By : <select unique ID attribute>
- Complete Groups : When Group Changes (Advanced)
If the input features don't have unique ID attribute, consider add sequential number attribute as temporary ID by inserting Counter before Aggregator.
Note: If you use GeometryFilter to separate Area and MultiArea, set "Detail" to the Mode parameter and "IFMEArea" the Output Port parameter.
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