@prefix mmic: <https://w3id.org/modavis/vao/mmic#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
mmic:LocationShape a sh:NodeShape ; sh:targetClass mmic:GeometryLocation ;
 sh:property [ sh:path mmic:kind ; sh:minCount 1 ; sh:maxCount 1 ; sh:in ("point" "interval") ] ;
 sh:property [ sh:path mmic:start ; sh:minCount 1 ; sh:maxCount 1 ] ;
 sh:property [ sh:path mmic:end ; sh:minCount 1 ; sh:maxCount 1 ] ;
 sh:sparql [ sh:message "Point endpoints must coincide on every axis (MMIC-07)." ; sh:select """
 PREFIX mmic: <https://w3id.org/modavis/vao/mmic#>
 SELECT $this WHERE { $this mmic:kind "point" ; mmic:start ?s ; mmic:end ?e .
 OPTIONAL { $this mmic:axialStart ?a . } OPTIONAL { $this mmic:axialEnd ?b . }
 OPTIONAL { $this mmic:startTurn ?u . } OPTIONAL { $this mmic:endTurn ?v . }
 FILTER(?s != ?e || (BOUND(?a) != BOUND(?b)) || (BOUND(?a) && ?a != ?b) ||
 (BOUND(?u) != BOUND(?v)) || (BOUND(?u) && ?u != ?v)) }
 """ ] .