opengeospatial / styles-and-symbology

OGC Styles & Symbology Standards
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Update clause_18_functions.adoc #35

Closed ebocher closed 1 year ago

ebocher commented 1 year ago

This PR updates the geometry model. We must be compliant with the spatial data types used in CQL2 (https://docs.ogc.org/DRAFTS/21-065.html#basic-cql2_data-types-and-literals) and Simple feature access - Part 1: Common architecture

To complete this PR. It seems that some investigations are required on spatial functions. CQL2 describes two groups "Basic Spatial Operators" and "Spatial Operators" (https://github.com/opengeospatial/ogcapi-features/tree/master/cql2) but the BNF describes only spatialPredicate (https://github.com/opengeospatial/ogcapi-features/blob/ea78a62c61224adb5240fa52806ec555cede4b63/cql2/standard/schema/cql2.bnf). We must check the Simple feature access - Part 1: Common architecture spatial functions to add the good ones in style and symbology model.