Hi, WFS standard does not deny mixed geometries in one FeatureType. It is also possible to store mixed geometries into the same table in PostGIS if the geometry column is defined to contain general geometries (“geometry” instead of some strict type like “polygon”). The limitations arising from some clients and data formats (shapefile, ArcView and successors, QGIS etc.) have just lead to common practice to create PostGIS tables with geometrytype constraints. There are other databases, formats, and clients which deal well with mixed geometries: Oracle Spatial, GeoPackage, MapInfo, GML, OpenJUMP etc.
-Jukka Rahkonen- Lähettäjä: Andreas Napkin GIS <[email protected]> Lähetetty: keskiviikko 15. huhtikuuta 2020 14.50 Vastaanottaja: [email protected] Aihe: [Geoserver-users] WFS mixed geometry Hi everyone! During these past few years of working with OSS GIS software, GeoServer/MapServer in particular, there is a dilemma with mixed geometry types and the WFS standard that I have not quite wrapped my head around. As far as I understand, the WFS standard as it is defined by the OGC does not support publishing mixed geometry types in the same layer and is thus at odds with, for example, a PostGIS tables storing different kinds of geometries. GeoServer, however, is capable of publishing a WFS service that can serve GeoJSON and GML with polygons, linestrings and points, all in the same layer. How does GeoServer get around this? Or am i missing something? Mvh / Best regards Andreas C. Atakan
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