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centroid of footprintWKT outside polygon boundaries #26

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ymgan opened this issue Dec 13, 2022 · 1 comment

Collaborator

ymgan commented Dec 13, 2022 •

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Question from Sachit (OBIS Australia)

When decimalLongitude, decimalLatitude derived from footprintWKT polygonstring as centroid.

• How to handle when the centroid is calculated outside of polygon boundaries?
• Example - https://www.gbif.org/occurrence/2983392481

Collaborator Author

ymgan commented Dec 13, 2022

For "centroid" within polygon: https://postgis.net/docs/ST_PointOnSurface.html

Will be added to manual

Document use of ST_PointOnSurface for representative point manual#61

ymgan closed this as completed

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